<4>[  915.880100] RDX: 0000000000000000 RSI: 0000000003d152a9 RDI: 0000000000000000
<4>[  915.880101] RBP: ffffc90004807208 R08: 000000000027f6a8 R09: 0000000000000001
<4>[  915.880103] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de558
<4>[  915.880104] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6a8003
<4>[  915.880106] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.880107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.880109] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.880110] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.880112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.880113] Call Trace:
<4>[  915.880115]  <TASK>
<4>[  915.880116]  ? show_regs+0x6c/0x80
<4>[  915.880120]  ? __warn+0x93/0x1c0
<4>[  915.880123]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.880127]  ? report_bug+0x182/0x1b0
<4>[  915.880132]  ? handle_bug+0x6e/0xb0
<4>[  915.880134]  ? exc_invalid_op+0x18/0x80
<4>[  915.880137]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.880146]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.880150]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.880153]  ? mark_held_locks+0x46/0x90
<4>[  915.880164]  __iommu_map+0x119/0x2c0
<4>[  915.880173]  iommu_map_sg+0xbf/0x210
<4>[  915.880180]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.880190]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.880196]  dma_map_sgtable+0x1d/0x40
<4>[  915.881597]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  915.882495] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.882656] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.882660] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.882662] RAX: 0000000000000000 RBX: ffff888113765550 RCX: 0000000000000000
<4>[  915.882664] RDX: 0000000000000000 RSI: 0000000003d152aa RDI: 0000000000000000
<4>[  915.882665] RBP: ffffc90004807208 R08: 000000000027f6a9 R09: 0000000000000001
<4>[  915.882667] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de557
<4>[  915.882668] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6a9003
<4>[  915.882670] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.882672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.882674] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.882675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.882677] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.882678] Call Trace:
<4>[  915.882680]  <TASK>
<4>[  915.882681]  ? show_regs+0x6c/0x80
<4>[  915.882685]  ? __warn+0x93/0x1c0
<4>[  915.882688]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.882692]  ? report_bug+0x182/0x1b0
<4>[  915.882697]  ? handle_bug+0x6e/0xb0
<4>[  915.882700]  ? exc_invalid_op+0x18/0x80
<4>[  915.882703]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.882712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.882715]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.882718]  ? mark_held_locks+0x46/0x90
<4>[  915.882729]  __iommu_map+0x119/0x2c0
<4>[  915.882739]  iommu_map_sg+0xbf/0x210
<4>[  915.882746]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.882756]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.884990]  x64_sys_call+0x131e/0x2650
<4>[  915.885061] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.885217] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.885220] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.885223] RAX: 0000000000000000 RBX: ffff888113765558 RCX: 0000000000000000
<4>[  915.885224] RDX: 0000000000000000 RSI: 0000000003d152ab RDI: 0000000000000000
<4>[  915.885226] RBP: ffffc90004807208 R08: 000000000027f6aa R09: 0000000000000001
<4>[  915.885227] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de556
<4>[  915.885229] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6aa003
<4>[  915.885230] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.885232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.885233] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.885235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.885236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.885238] Call Trace:
<4>[  915.885239]  <TASK>
<4>[  915.885241]  ? show_regs+0x6c/0x80
<4>[  915.885244]  ? __warn+0x93/0x1c0
<4>[  915.885247]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.885251]  ? report_bug+0x182/0x1b0
<4>[  915.885256]  ? handle_bug+0x6e/0xb0
<4>[  915.885259]  ? exc_invalid_op+0x18/0x80
<4>[  915.885262]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.885271]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.885274]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.885277]  ? mark_held_locks+0x46/0x90
<4>[  915.885288]  __iommu_map+0x119/0x2c0
<4>[  915.885298]  iommu_map_sg+0xbf/0x210
<4>[  915.885305]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.885320]  dma_map_sgtable+0x1d/0x40
<4>[  915.887550]  x64_sys_call+0x131e/0x2650
<4>[  915.887625] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.887782] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.887786] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.887788] RAX: 0000000000000000 RBX: ffff888113765560 RCX: 0000000000000000
<4>[  915.887790] RDX: 0000000000000000 RSI: 0000000003d152ac RDI: 0000000000000000
<4>[  915.887791] RBP: ffffc90004807208 R08: 000000000027f6ab R09: 0000000000000001
<4>[  915.887793] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de555
<4>[  915.887794] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ab003
<4>[  915.887796] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.887797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.887799] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.887801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.887802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.887803] Call Trace:
<4>[  915.887805]  <TASK>
<4>[  915.887806]  ? show_regs+0x6c/0x80
<4>[  915.887810]  ? __warn+0x93/0x1c0
<4>[  915.887813]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.887817]  ? report_bug+0x182/0x1b0
<4>[  915.887822]  ? handle_bug+0x6e/0xb0
<4>[  915.887825]  ? exc_invalid_op+0x18/0x80
<4>[  915.887828]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.887837]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.887840]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.887843]  ? mark_held_locks+0x46/0x90
<4>[  915.887854]  __iommu_map+0x119/0x2c0
<4>[  915.887863]  iommu_map_sg+0xbf/0x210
<4>[  915.887871]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.887880]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.890106]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  915.890193] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  915.890347] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.890351] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.890353] RAX: 0000000000000000 RBX: ffff888113765568 RCX: 0000000000000000
<4>[  915.890354] RDX: 0000000000000000 RSI: 0000000003d152ad RDI: 0000000000000000
<4>[  915.890356] RBP: ffffc90004807208 R08: 000000000027f6ac R09: 0000000000000001
<4>[  915.890357] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de554
<4>[  915.890359] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ac003
<4>[  915.890361] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.890362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.890364] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.890365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.890367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.890368] Call Trace:
<4>[  915.890369]  <TASK>
<4>[  915.890371]  ? show_regs+0x6c/0x80
<4>[  915.890375]  ? __warn+0x93/0x1c0
<4>[  915.890378]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.890382]  ? report_bug+0x182/0x1b0
<4>[  915.890387]  ? handle_bug+0x6e/0xb0
<4>[  915.890389]  ? exc_invalid_op+0x18/0x80
<4>[  915.890392]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.890401]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.890405]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.890408]  ? mark_held_locks+0x46/0x90
<4>[  915.890419]  __iommu_map+0x119/0x2c0
<4>[  915.890428]  iommu_map_sg+0xbf/0x210
<4>[  915.890435]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.890451]  dma_map_sgtable+0x1d/0x40
<4>[  915.892684]  x64_sys_call+0x131e/0x2650
<4>[  915.892755] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.892911] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.892914] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.892917] RAX: 0000000000000000 RBX: ffff888113765570 RCX: 0000000000000000
<4>[  915.892918] RDX: 0000000000000000 RSI: 0000000003d152ae RDI: 0000000000000000
<4>[  915.892920] RBP: ffffc90004807208 R08: 000000000027f6ad R09: 0000000000000001
<4>[  915.892921] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de553
<4>[  915.892923] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ad003
<4>[  915.892924] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.892926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.892928] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.892929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.892930] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.892932] Call Trace:
<4>[  915.892933]  <TASK>
<4>[  915.892935]  ? show_regs+0x6c/0x80
<4>[  915.892938]  ? __warn+0x93/0x1c0
<4>[  915.892942]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.892945]  ? report_bug+0x182/0x1b0
<4>[  915.892951]  ? handle_bug+0x6e/0xb0
<4>[  915.892953]  ? exc_invalid_op+0x18/0x80
<4>[  915.892956]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.892965]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.892969]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.892971]  ? mark_held_locks+0x46/0x90
<4>[  915.892983]  __iommu_map+0x119/0x2c0
<4>[  915.892992]  iommu_map_sg+0xbf/0x210
<4>[  915.892999]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.893009]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.895230]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  915.895316] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  915.895469] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.895473] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.895475] RAX: 0000000000000000 RBX: ffff888113765578 RCX: 0000000000000000
<4>[  915.895476] RDX: 0000000000000000 RSI: 0000000003d152af RDI: 0000000000000000
<4>[  915.895478] RBP: ffffc90004807208 R08: 000000000027f6ae R09: 0000000000000001
<4>[  915.895479] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de552
<4>[  915.895481] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ae003
<4>[  915.895482] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.895484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.895486] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.895487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.895489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.895490] Call Trace:
<4>[  915.895491]  <TASK>
<4>[  915.895493]  ? show_regs+0x6c/0x80
<4>[  915.895496]  ? __warn+0x93/0x1c0
<4>[  915.895500]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.895504]  ? report_bug+0x182/0x1b0
<4>[  915.895509]  ? handle_bug+0x6e/0xb0
<4>[  915.895511]  ? exc_invalid_op+0x18/0x80
<4>[  915.895514]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.895523]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.895527]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.895530]  ? mark_held_locks+0x46/0x90
<4>[  915.895541]  __iommu_map+0x119/0x2c0
<4>[  915.895550]  iommu_map_sg+0xbf/0x210
<4>[  915.895557]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.895734]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  915.897861]  ? clear_bhb_loop+0x15/0x70
<4>[  915.897882] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.898034] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.898036] RAX: 0000000000000000 RBX: ffff888113765580 RCX: 0000000000000000
<4>[  915.898038] RDX: 0000000000000000 RSI: 0000000003d152b0 RDI: 0000000000000000
<4>[  915.898039] RBP: ffffc90004807208 R08: 000000000027f6af R09: 0000000000000001
<4>[  915.898041] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de551
<4>[  915.898042] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6af003
<4>[  915.898044] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.898046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.898047] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.898049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.898050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.898052] Call Trace:
<4>[  915.898053]  <TASK>
<4>[  915.898055]  ? show_regs+0x6c/0x80
<4>[  915.898058]  ? __warn+0x93/0x1c0
<4>[  915.898061]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.898065]  ? report_bug+0x182/0x1b0
<4>[  915.898070]  ? handle_bug+0x6e/0xb0
<4>[  915.898073]  ? exc_invalid_op+0x18/0x80
<4>[  915.898076]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.898085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.898088]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.898091]  ? mark_held_locks+0x46/0x90
<4>[  915.898102]  __iommu_map+0x119/0x2c0
<4>[  915.898111]  iommu_map_sg+0xbf/0x210
<4>[  915.898118]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.898128]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.898134]  dma_map_sgtable+0x1d/0x40
<4>[  915.899383]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  915.900435] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.900590] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.900599] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.900602] RAX: 0000000000000000 RBX: ffff888113765588 RCX: 0000000000000000
<4>[  915.900603] RDX: 0000000000000000 RSI: 0000000003d152b1 RDI: 0000000000000000
<4>[  915.900605] RBP: ffffc90004807208 R08: 000000000027f6b0 R09: 0000000000000001
<4>[  915.900606] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de550
<4>[  915.900607] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b0003
<4>[  915.900609] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.900611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.900612] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.900614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.900615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.900617] Call Trace:
<4>[  915.900618]  <TASK>
<4>[  915.900620]  ? show_regs+0x6c/0x80
<4>[  915.900623]  ? __warn+0x93/0x1c0
<4>[  915.900626]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.900630]  ? report_bug+0x182/0x1b0
<4>[  915.900635]  ? handle_bug+0x6e/0xb0
<4>[  915.900638]  ? exc_invalid_op+0x18/0x80
<4>[  915.900641]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.900650]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.900653]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.900656]  ? mark_held_locks+0x46/0x90
<4>[  915.900668]  __iommu_map+0x119/0x2c0
<4>[  915.900677]  iommu_map_sg+0xbf/0x210
<4>[  915.900684]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.900694]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.902927]  x64_sys_call+0x131e/0x2650
<4>[  915.902998] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.903154] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.903158] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.903160] RAX: 0000000000000000 RBX: ffff888113765590 RCX: 0000000000000000
<4>[  915.903162] RDX: 0000000000000000 RSI: 0000000003d152b2 RDI: 0000000000000000
<4>[  915.903163] RBP: ffffc90004807208 R08: 000000000027f6b1 R09: 0000000000000001
<4>[  915.903165] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54f
<4>[  915.903166] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b1003
<4>[  915.903168] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.903169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.903171] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.903172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.903174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.903175] Call Trace:
<4>[  915.903176]  <TASK>
<4>[  915.903178]  ? show_regs+0x6c/0x80
<4>[  915.903182]  ? __warn+0x93/0x1c0
<4>[  915.903185]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.903189]  ? report_bug+0x182/0x1b0
<4>[  915.903194]  ? handle_bug+0x6e/0xb0
<4>[  915.903197]  ? exc_invalid_op+0x18/0x80
<4>[  915.903199]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.903208]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.903212]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.903215]  ? mark_held_locks+0x46/0x90
<4>[  915.903226]  __iommu_map+0x119/0x2c0
<4>[  915.903235]  iommu_map_sg+0xbf/0x210
<4>[  915.903242]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.903252]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.905477]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  915.905565] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  915.905725] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  915.905731] RDX: 0000000000000000 RSI: 0000000003d152b3 RDI: 0000000000000000
<4>[  915.905732] RBP: ffffc90004807208 R08: 000000000027f6b2 R09: 0000000000000001
<4>[  915.905734] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54e
<4>[  915.905735] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b2003
<4>[  915.905737] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.905738] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.905740] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.905741] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.905743] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.905744] Call Trace:
<4>[  915.905745]  <TASK>
<4>[  915.905747]  ? show_regs+0x6c/0x80
<4>[  915.905751]  ? __warn+0x93/0x1c0
<4>[  915.905754]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.905758]  ? report_bug+0x182/0x1b0
<4>[  915.905763]  ? handle_bug+0x6e/0xb0
<4>[  915.905766]  ? exc_invalid_op+0x18/0x80
<4>[  915.905769]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.905778]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.905781]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.905784]  ? mark_held_locks+0x46/0x90
<4>[  915.905795]  __iommu_map+0x119/0x2c0
<4>[  915.905805]  iommu_map_sg+0xbf/0x210
<4>[  915.906139]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  915.908111]  ? clear_bhb_loop+0x15/0x70
<4>[  915.908133] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.908284] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.908286] RAX: 0000000000000000 RBX: ffff8881137655a0 RCX: 0000000000000000
<4>[  915.908287] RDX: 0000000000000000 RSI: 0000000003d152b4 RDI: 0000000000000000
<4>[  915.908289] RBP: ffffc90004807208 R08: 000000000027f6b3 R09: 0000000000000001
<4>[  915.908291] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54d
<4>[  915.908292] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b3003
<4>[  915.908294] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.908295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.908297] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.908298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.908300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.908301] Call Trace:
<4>[  915.908302]  <TASK>
<4>[  915.908304]  ? show_regs+0x6c/0x80
<4>[  915.908308]  ? __warn+0x93/0x1c0
<4>[  915.908311]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.908315]  ? report_bug+0x182/0x1b0
<4>[  915.908320]  ? handle_bug+0x6e/0xb0
<4>[  915.908322]  ? exc_invalid_op+0x18/0x80
<4>[  915.908325]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.908334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.908338]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.908341]  ? mark_held_locks+0x46/0x90
<4>[  915.908352]  __iommu_map+0x119/0x2c0
<4>[  915.908361]  iommu_map_sg+0xbf/0x210
<4>[  915.908368]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.908378]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.908384]  dma_map_sgtable+0x1d/0x40
<4>[  915.910443]  drm_ioctl+0x2de/0x5a0
<4>[  915.910685] RIP: 0033:0x719556d24ded
<4>[  915.910710] irq event stamp: 252765555
<4>[  915.910823]  wmi pmt_class nls_iso8859_1 intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr fuse nvme_fabrics efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  915.910853] RDX: 0000000000000000 RSI: 0000000003d152b5 RDI: 0000000000000000
<4>[  915.910855] RBP: ffffc90004807208 R08: 000000000027f6b4 R09: 0000000000000001
<4>[  915.910856] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54c
<4>[  915.910858] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b4003
<4>[  915.910859] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.910861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.910863] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.910864] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.910865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.910867] Call Trace:
<4>[  915.910868]  <TASK>
<4>[  915.910870]  ? show_regs+0x6c/0x80
<4>[  915.910873]  ? __warn+0x93/0x1c0
<4>[  915.910877]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.910880]  ? report_bug+0x182/0x1b0
<4>[  915.910886]  ? handle_bug+0x6e/0xb0
<4>[  915.910888]  ? exc_invalid_op+0x18/0x80
<4>[  915.910891]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.910900]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.910904]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.910907]  ? mark_held_locks+0x46/0x90
<4>[  915.910918]  __iommu_map+0x119/0x2c0
<4>[  915.910927]  iommu_map_sg+0xbf/0x210
<4>[  915.910934]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.910949]  dma_map_sgtable+0x1d/0x40
<4>[  915.913185]  x64_sys_call+0x131e/0x2650
<4>[  915.913256] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.913412] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.913415] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.913418] RAX: 0000000000000000 RBX: ffff8881137655b0 RCX: 0000000000000000
<4>[  915.913419] RDX: 0000000000000000 RSI: 0000000003d152b6 RDI: 0000000000000000
<4>[  915.913421] RBP: ffffc90004807208 R08: 000000000027f6b5 R09: 0000000000000001
<4>[  915.913422] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54b
<4>[  915.913424] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b5003
<4>[  915.913425] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.913427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.913428] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.913430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.913431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.913433] Call Trace:
<4>[  915.913434]  <TASK>
<4>[  915.913436]  ? show_regs+0x6c/0x80
<4>[  915.913440]  ? __warn+0x93/0x1c0
<4>[  915.913443]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.913447]  ? report_bug+0x182/0x1b0
<4>[  915.913452]  ? handle_bug+0x6e/0xb0
<4>[  915.913454]  ? exc_invalid_op+0x18/0x80
<4>[  915.913457]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.913466]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.913469]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.913472]  ? mark_held_locks+0x46/0x90
<4>[  915.913484]  __iommu_map+0x119/0x2c0
<4>[  915.913493]  iommu_map_sg+0xbf/0x210
<4>[  915.913500]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.913519]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.915812]  ? clear_bhb_loop+0x15/0x70
<4>[  915.915834] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.915986] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.915988] RAX: 0000000000000000 RBX: ffff8881137655b8 RCX: 0000000000000000
<4>[  915.915990] RDX: 0000000000000000 RSI: 0000000003d152b7 RDI: 0000000000000000
<4>[  915.915991] RBP: ffffc90004807208 R08: 000000000027f6b6 R09: 0000000000000001
<4>[  915.915993] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de54a
<4>[  915.915994] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b6003
<4>[  915.915996] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.915997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.915999] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.916000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.916002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.916003] Call Trace:
<4>[  915.916005]  <TASK>
<4>[  915.916006]  ? show_regs+0x6c/0x80
<4>[  915.916010]  ? __warn+0x93/0x1c0
<4>[  915.916013]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.916017]  ? report_bug+0x182/0x1b0
<4>[  915.916022]  ? handle_bug+0x6e/0xb0
<4>[  915.916024]  ? exc_invalid_op+0x18/0x80
<4>[  915.916027]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.916036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.916040]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.916043]  ? mark_held_locks+0x46/0x90
<4>[  915.916054]  __iommu_map+0x119/0x2c0
<4>[  915.916063]  iommu_map_sg+0xbf/0x210
<4>[  915.916070]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.916080]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.916086]  dma_map_sgtable+0x1d/0x40
<4>[  915.917828]  ? find_held_lock+0x31/0x90
<4>[  915.918381] RIP: 0033:0x719556d24ded
<4>[  915.918405]  </TASK>
<4>[  915.918412] softirqs last  enabled at (252775776): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.918544] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.918546] RAX: 0000000000000000 RBX: ffff8881137655c0 RCX: 0000000000000000
<4>[  915.918548] RDX: 0000000000000000 RSI: 0000000003d152b8 RDI: 0000000000000000
<4>[  915.918550] RBP: ffffc90004807208 R08: 000000000027f6b7 R09: 0000000000000001
<4>[  915.918551] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de549
<4>[  915.918553] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b7003
<4>[  915.918554] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.918556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.918557] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.918559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.918560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.918562] Call Trace:
<4>[  915.918563]  <TASK>
<4>[  915.918565]  ? show_regs+0x6c/0x80
<4>[  915.918568]  ? __warn+0x93/0x1c0
<4>[  915.918571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.918575]  ? report_bug+0x182/0x1b0
<4>[  915.918580]  ? handle_bug+0x6e/0xb0
<4>[  915.918583]  ? exc_invalid_op+0x18/0x80
<4>[  915.918586]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.918600]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.918603]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.918606]  ? mark_held_locks+0x46/0x90
<4>[  915.918617]  __iommu_map+0x119/0x2c0
<4>[  915.918627]  iommu_map_sg+0xbf/0x210
<4>[  915.918634]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.918961]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  915.920938]  ? clear_bhb_loop+0x15/0x70
<4>[  915.920960] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.921110] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.921113] RAX: 0000000000000000 RBX: ffff8881137655c8 RCX: 0000000000000000
<4>[  915.921114] RDX: 0000000000000000 RSI: 0000000003d152b9 RDI: 0000000000000000
<4>[  915.921116] RBP: ffffc90004807208 R08: 000000000027f6b8 R09: 0000000000000001
<4>[  915.921117] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de548
<4>[  915.921119] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b8003
<4>[  915.921120] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.921122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.921123] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.921125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.921127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.921128] Call Trace:
<4>[  915.921129]  <TASK>
<4>[  915.921131]  ? show_regs+0x6c/0x80
<4>[  915.921134]  ? __warn+0x93/0x1c0
<4>[  915.921138]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.921141]  ? report_bug+0x182/0x1b0
<4>[  915.921147]  ? handle_bug+0x6e/0xb0
<4>[  915.921149]  ? exc_invalid_op+0x18/0x80
<4>[  915.921152]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.921161]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.921164]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.921167]  ? mark_held_locks+0x46/0x90
<4>[  915.921179]  __iommu_map+0x119/0x2c0
<4>[  915.921188]  iommu_map_sg+0xbf/0x210
<4>[  915.921195]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.921205]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.921210]  dma_map_sgtable+0x1d/0x40
<4>[  915.922612]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  915.923511] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.923673] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.923677] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.923679] RAX: 0000000000000000 RBX: ffff8881137655d0 RCX: 0000000000000000
<4>[  915.923681] RDX: 0000000000000000 RSI: 0000000003d152ba RDI: 0000000000000000
<4>[  915.923682] RBP: ffffc90004807208 R08: 000000000027f6b9 R09: 0000000000000001
<4>[  915.923684] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de547
<4>[  915.923685] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6b9003
<4>[  915.923687] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.923689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.923691] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.923692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.923694] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.923695] Call Trace:
<4>[  915.923696]  <TASK>
<4>[  915.923698]  ? show_regs+0x6c/0x80
<4>[  915.923702]  ? __warn+0x93/0x1c0
<4>[  915.923705]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.923709]  ? report_bug+0x182/0x1b0
<4>[  915.923714]  ? handle_bug+0x6e/0xb0
<4>[  915.923716]  ? exc_invalid_op+0x18/0x80
<4>[  915.923719]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.923728]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.923732]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.923735]  ? mark_held_locks+0x46/0x90
<4>[  915.923746]  __iommu_map+0x119/0x2c0
<4>[  915.923755]  iommu_map_sg+0xbf/0x210
<4>[  915.923762]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.923772]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.926006]  x64_sys_call+0x131e/0x2650
<4>[  915.926076] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.926233] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  915.926238] RDX: 0000000000000000 RSI: 0000000003d152bb RDI: 0000000000000000
<4>[  915.926240] RBP: ffffc90004807208 R08: 000000000027f6ba R09: 0000000000000001
<4>[  915.926241] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de546
<4>[  915.926243] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ba003
<4>[  915.926245] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.926246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.926248] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.926249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.926251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.926252] Call Trace:
<4>[  915.926253]  <TASK>
<4>[  915.926255]  ? show_regs+0x6c/0x80
<4>[  915.926259]  ? __warn+0x93/0x1c0
<4>[  915.926262]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.926266]  ? report_bug+0x182/0x1b0
<4>[  915.926271]  ? handle_bug+0x6e/0xb0
<4>[  915.926274]  ? exc_invalid_op+0x18/0x80
<4>[  915.926277]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.926286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.926289]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.926292]  ? mark_held_locks+0x46/0x90
<4>[  915.926303]  __iommu_map+0x119/0x2c0
<4>[  915.926312]  iommu_map_sg+0xbf/0x210
<4>[  915.926961]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  915.928637] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.928793] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.928797] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.928799] RAX: 0000000000000000 RBX: ffff8881137655e0 RCX: 0000000000000000
<4>[  915.928801] RDX: 0000000000000000 RSI: 0000000003d152bc RDI: 0000000000000000
<4>[  915.928802] RBP: ffffc90004807208 R08: 000000000027f6bb R09: 0000000000000001
<4>[  915.928804] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de545
<4>[  915.928805] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6bb003
<4>[  915.928807] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.928808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.928810] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.928812] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.928813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.928814] Call Trace:
<4>[  915.928816]  <TASK>
<4>[  915.928817]  ? show_regs+0x6c/0x80
<4>[  915.928821]  ? __warn+0x93/0x1c0
<4>[  915.928824]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.928828]  ? report_bug+0x182/0x1b0
<4>[  915.928833]  ? handle_bug+0x6e/0xb0
<4>[  915.928836]  ? exc_invalid_op+0x18/0x80
<4>[  915.928839]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.928848]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.928851]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.928854]  ? mark_held_locks+0x46/0x90
<4>[  915.928865]  __iommu_map+0x119/0x2c0
<4>[  915.928874]  iommu_map_sg+0xbf/0x210
<4>[  915.928882]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.928892]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.931130]  x64_sys_call+0x131e/0x2650
<4>[  915.931200] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.931356] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.931360] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.931362] RAX: 0000000000000000 RBX: ffff8881137655e8 RCX: 0000000000000000
<4>[  915.931364] RDX: 0000000000000000 RSI: 0000000003d152bd RDI: 0000000000000000
<4>[  915.931365] RBP: ffffc90004807208 R08: 000000000027f6bc R09: 0000000000000001
<4>[  915.931366] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de544
<4>[  915.931368] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6bc003
<4>[  915.931370] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.931371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.931373] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.931374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.931376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.931377] Call Trace:
<4>[  915.931378]  <TASK>
<4>[  915.931380]  ? show_regs+0x6c/0x80
<4>[  915.931384]  ? __warn+0x93/0x1c0
<4>[  915.931387]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.931391]  ? report_bug+0x182/0x1b0
<4>[  915.931396]  ? handle_bug+0x6e/0xb0
<4>[  915.931398]  ? exc_invalid_op+0x18/0x80
<4>[  915.931401]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.931410]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.931414]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.931417]  ? mark_held_locks+0x46/0x90
<4>[  915.931428]  __iommu_map+0x119/0x2c0
<4>[  915.931437]  iommu_map_sg+0xbf/0x210
<4>[  915.931444]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.931621]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  915.933755]  ? clear_bhb_loop+0x15/0x70
<4>[  915.933775] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  915.933929] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.933931] RAX: 0000000000000000 RBX: ffff8881137655f0 RCX: 0000000000000000
<4>[  915.933932] RDX: 0000000000000000 RSI: 0000000003d152be RDI: 0000000000000000
<4>[  915.933934] RBP: ffffc90004807208 R08: 000000000027f6bd R09: 0000000000000001
<4>[  915.933935] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de543
<4>[  915.933937] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6bd003
<4>[  915.933938] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.933940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.933942] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.933943] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.933945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.933946] Call Trace:
<4>[  915.933947]  <TASK>
<4>[  915.933949]  ? show_regs+0x6c/0x80
<4>[  915.933953]  ? __warn+0x93/0x1c0
<4>[  915.933956]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.933960]  ? report_bug+0x182/0x1b0
<4>[  915.933965]  ? handle_bug+0x6e/0xb0
<4>[  915.933968]  ? exc_invalid_op+0x18/0x80
<4>[  915.933971]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.933980]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.933983]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.933986]  ? mark_held_locks+0x46/0x90
<4>[  915.933997]  __iommu_map+0x119/0x2c0
<4>[  915.934006]  iommu_map_sg+0xbf/0x210
<4>[  915.934013]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.934023]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.934029]  dma_map_sgtable+0x1d/0x40
<4>[  915.935279]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  915.936329] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.936484] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.936487] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.936490] RAX: 0000000000000000 RBX: ffff8881137655f8 RCX: 0000000000000000
<4>[  915.936491] RDX: 0000000000000000 RSI: 0000000003d152bf RDI: 0000000000000000
<4>[  915.936493] RBP: ffffc90004807208 R08: 000000000027f6be R09: 0000000000000001
<4>[  915.936494] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de542
<4>[  915.936496] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6be003
<4>[  915.936497] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.936499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.936501] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.936502] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.936504] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.936505] Call Trace:
<4>[  915.936506]  <TASK>
<4>[  915.936508]  ? show_regs+0x6c/0x80
<4>[  915.936512]  ? __warn+0x93/0x1c0
<4>[  915.936515]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.936519]  ? report_bug+0x182/0x1b0
<4>[  915.936524]  ? handle_bug+0x6e/0xb0
<4>[  915.936526]  ? exc_invalid_op+0x18/0x80
<4>[  915.936529]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.936538]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.936542]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.936545]  ? mark_held_locks+0x46/0x90
<4>[  915.936556]  __iommu_map+0x119/0x2c0
<4>[  915.936565]  iommu_map_sg+0xbf/0x210
<4>[  915.936572]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.936904]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  915.938882]  ? clear_bhb_loop+0x15/0x70
<4>[  915.938904] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.939056] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.939059] RAX: 0000000000000000 RBX: ffff888113765600 RCX: 0000000000000000
<4>[  915.939060] RDX: 0000000000000000 RSI: 0000000003d152c0 RDI: 0000000000000000
<4>[  915.939062] RBP: ffffc90004807208 R08: 000000000027f6bf R09: 0000000000000001
<4>[  915.939063] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de541
<4>[  915.939065] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6bf003
<4>[  915.939066] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.939068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.939070] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.939071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.939072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.939074] Call Trace:
<4>[  915.939075]  <TASK>
<4>[  915.939077]  ? show_regs+0x6c/0x80
<4>[  915.939080]  ? __warn+0x93/0x1c0
<4>[  915.939084]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.939087]  ? report_bug+0x182/0x1b0
<4>[  915.939093]  ? handle_bug+0x6e/0xb0
<4>[  915.939095]  ? exc_invalid_op+0x18/0x80
<4>[  915.939098]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.939107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.939110]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.939113]  ? mark_held_locks+0x46/0x90
<4>[  915.939124]  __iommu_map+0x119/0x2c0
<4>[  915.939134]  iommu_map_sg+0xbf/0x210
<4>[  915.939141]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.939151]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.939156]  dma_map_sgtable+0x1d/0x40
<4>[  915.940906]  ? __might_fault+0x53/0xb0
<4>[  915.941457] RIP: 0033:0x719556d24ded
<4>[  915.941480]  </TASK>
<4>[  915.941487] softirqs last  enabled at (252811898): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.941625] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.941627] RAX: 0000000000000000 RBX: ffff888113765608 RCX: 0000000000000000
<4>[  915.941628] RDX: 0000000000000000 RSI: 0000000003d152c1 RDI: 0000000000000000
<4>[  915.941630] RBP: ffffc90004807208 R08: 000000000027f6c0 R09: 0000000000000001
<4>[  915.941631] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de540
<4>[  915.941633] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c0003
<4>[  915.941634] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.941636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.941638] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.941639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.941641] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.941642] Call Trace:
<4>[  915.941643]  <TASK>
<4>[  915.941645]  ? show_regs+0x6c/0x80
<4>[  915.941649]  ? __warn+0x93/0x1c0
<4>[  915.941652]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.941656]  ? report_bug+0x182/0x1b0
<4>[  915.941661]  ? handle_bug+0x6e/0xb0
<4>[  915.941664]  ? exc_invalid_op+0x18/0x80
<4>[  915.941667]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.941676]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.941679]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.941682]  ? mark_held_locks+0x46/0x90
<4>[  915.941694]  __iommu_map+0x119/0x2c0
<4>[  915.941703]  iommu_map_sg+0xbf/0x210
<4>[  915.941710]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.941729]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.944016]  ? clear_bhb_loop+0x15/0x70
<4>[  915.944049]  </TASK>
<4>[  915.944056] softirqs last  enabled at (252816702): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.944189] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.944192] RAX: 0000000000000000 RBX: ffff888113765610 RCX: 0000000000000000
<4>[  915.944193] RDX: 0000000000000000 RSI: 0000000003d152c2 RDI: 0000000000000000
<4>[  915.944194] RBP: ffffc90004807208 R08: 000000000027f6c1 R09: 0000000000000001
<4>[  915.944196] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53f
<4>[  915.944198] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c1003
<4>[  915.944199] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.944201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.944202] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.944204] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.944205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.944207] Call Trace:
<4>[  915.944208]  <TASK>
<4>[  915.944210]  ? show_regs+0x6c/0x80
<4>[  915.944213]  ? __warn+0x93/0x1c0
<4>[  915.944217]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.944220]  ? report_bug+0x182/0x1b0
<4>[  915.944226]  ? handle_bug+0x6e/0xb0
<4>[  915.944228]  ? exc_invalid_op+0x18/0x80
<4>[  915.944231]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.944240]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.944244]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.944247]  ? mark_held_locks+0x46/0x90
<4>[  915.944258]  __iommu_map+0x119/0x2c0
<4>[  915.944267]  iommu_map_sg+0xbf/0x210
<4>[  915.944274]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.944284]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.946532]  x64_sys_call+0x131e/0x2650
<4>[  915.946608] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.946768] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.946772] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.946774] RAX: 0000000000000000 RBX: ffff888113765618 RCX: 0000000000000000
<4>[  915.946775] RDX: 0000000000000000 RSI: 0000000003d152c3 RDI: 0000000000000000
<4>[  915.946777] RBP: ffffc90004807208 R08: 000000000027f6c2 R09: 0000000000000001
<4>[  915.946778] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53e
<4>[  915.946780] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c2003
<4>[  915.946781] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.946783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.946785] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.946786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.946788] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.946789] Call Trace:
<4>[  915.946790]  <TASK>
<4>[  915.946792]  ? show_regs+0x6c/0x80
<4>[  915.946796]  ? __warn+0x93/0x1c0
<4>[  915.946799]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.946803]  ? report_bug+0x182/0x1b0
<4>[  915.946808]  ? handle_bug+0x6e/0xb0
<4>[  915.946811]  ? exc_invalid_op+0x18/0x80
<4>[  915.946813]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.946823]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.946826]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.946829]  ? mark_held_locks+0x46/0x90
<4>[  915.946840]  __iommu_map+0x119/0x2c0
<4>[  915.946849]  iommu_map_sg+0xbf/0x210
<4>[  915.946856]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.946867]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.949092]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  915.949180] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  915.949333] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.949337] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.949339] RAX: 0000000000000000 RBX: ffff888113765620 RCX: 0000000000000000
<4>[  915.949341] RDX: 0000000000000000 RSI: 0000000003d152c4 RDI: 0000000000000000
<4>[  915.949342] RBP: ffffc90004807208 R08: 000000000027f6c3 R09: 0000000000000001
<4>[  915.949344] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53d
<4>[  915.949345] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c3003
<4>[  915.949347] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.949348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.949350] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.949352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.949353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.949354] Call Trace:
<4>[  915.949356]  <TASK>
<4>[  915.949357]  ? show_regs+0x6c/0x80
<4>[  915.949361]  ? __warn+0x93/0x1c0
<4>[  915.949364]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.949368]  ? report_bug+0x182/0x1b0
<4>[  915.949373]  ? handle_bug+0x6e/0xb0
<4>[  915.949376]  ? exc_invalid_op+0x18/0x80
<4>[  915.949379]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.949388]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.949391]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.949394]  ? mark_held_locks+0x46/0x90
<4>[  915.949405]  __iommu_map+0x119/0x2c0
<4>[  915.949414]  iommu_map_sg+0xbf/0x210
<4>[  915.949421]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.949437]  dma_map_sgtable+0x1d/0x40
<4>[  915.951670]  x64_sys_call+0x131e/0x2650
<4>[  915.951741] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.951897] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.951900] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.951902] RAX: 0000000000000000 RBX: ffff888113765628 RCX: 0000000000000000
<4>[  915.951904] RDX: 0000000000000000 RSI: 0000000003d152c5 RDI: 0000000000000000
<4>[  915.951905] RBP: ffffc90004807208 R08: 000000000027f6c4 R09: 0000000000000001
<4>[  915.951907] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53c
<4>[  915.951908] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c4003
<4>[  915.951910] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.951912] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.951913] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.951915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.951916] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.951918] Call Trace:
<4>[  915.951919]  <TASK>
<4>[  915.951921]  ? show_regs+0x6c/0x80
<4>[  915.951924]  ? __warn+0x93/0x1c0
<4>[  915.951927]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.951931]  ? report_bug+0x182/0x1b0
<4>[  915.951936]  ? handle_bug+0x6e/0xb0
<4>[  915.951939]  ? exc_invalid_op+0x18/0x80
<4>[  915.951942]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.951951]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.951954]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.951957]  ? mark_held_locks+0x46/0x90
<4>[  915.951968]  __iommu_map+0x119/0x2c0
<4>[  915.951978]  iommu_map_sg+0xbf/0x210
<4>[  915.951985]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.951995]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.954238]  x64_sys_call+0x131e/0x2650
<4>[  915.954308] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.954467] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.954471] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.954473] RAX: 0000000000000000 RBX: ffff888113765630 RCX: 0000000000000000
<4>[  915.954475] RDX: 0000000000000000 RSI: 0000000003d152c6 RDI: 0000000000000000
<4>[  915.954476] RBP: ffffc90004807208 R08: 000000000027f6c5 R09: 0000000000000001
<4>[  915.954478] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53b
<4>[  915.954479] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c5003
<4>[  915.954481] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.954482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.954484] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.954486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.954487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.954488] Call Trace:
<4>[  915.954490]  <TASK>
<4>[  915.954491]  ? show_regs+0x6c/0x80
<4>[  915.954495]  ? __warn+0x93/0x1c0
<4>[  915.954498]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.954502]  ? report_bug+0x182/0x1b0
<4>[  915.954507]  ? handle_bug+0x6e/0xb0
<4>[  915.954510]  ? exc_invalid_op+0x18/0x80
<4>[  915.954513]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.954522]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.954525]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.954528]  ? mark_held_locks+0x46/0x90
<4>[  915.954540]  __iommu_map+0x119/0x2c0
<4>[  915.954549]  iommu_map_sg+0xbf/0x210
<4>[  915.954556]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.954575]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.956866]  ? clear_bhb_loop+0x15/0x70
<4>[  915.956898]  </TASK>
<4>[  915.956905] softirqs last  enabled at (252836806): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.957039] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.957042] RAX: 0000000000000000 RBX: ffff888113765638 RCX: 0000000000000000
<4>[  915.957043] RDX: 0000000000000000 RSI: 0000000003d152c7 RDI: 0000000000000000
<4>[  915.957044] RBP: ffffc90004807208 R08: 000000000027f6c6 R09: 0000000000000001
<4>[  915.957046] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de53a
<4>[  915.957047] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c6003
<4>[  915.957049] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.957051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.957052] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.957054] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.957055] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.957057] Call Trace:
<4>[  915.957058]  <TASK>
<4>[  915.957060]  ? show_regs+0x6c/0x80
<4>[  915.957063]  ? __warn+0x93/0x1c0
<4>[  915.957066]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.957070]  ? report_bug+0x182/0x1b0
<4>[  915.957075]  ? handle_bug+0x6e/0xb0
<4>[  915.957078]  ? exc_invalid_op+0x18/0x80
<4>[  915.957081]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.957090]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.957093]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.957096]  ? mark_held_locks+0x46/0x90
<4>[  915.957107]  __iommu_map+0x119/0x2c0
<4>[  915.957116]  iommu_map_sg+0xbf/0x210
<4>[  915.957123]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.957133]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.959353]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  915.959439] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  915.959598] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.959602] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.959604] RAX: 0000000000000000 RBX: ffff888113765640 RCX: 0000000000000000
<4>[  915.959606] RDX: 0000000000000000 RSI: 0000000003d152c8 RDI: 0000000000000000
<4>[  915.959607] RBP: ffffc90004807208 R08: 000000000027f6c7 R09: 0000000000000001
<4>[  915.959609] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de539
<4>[  915.959610] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c7003
<4>[  915.959612] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.959614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.959615] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.959617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.959618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.959620] Call Trace:
<4>[  915.959621]  <TASK>
<4>[  915.959623]  ? show_regs+0x6c/0x80
<4>[  915.959626]  ? __warn+0x93/0x1c0
<4>[  915.959629]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.959633]  ? report_bug+0x182/0x1b0
<4>[  915.959638]  ? handle_bug+0x6e/0xb0
<4>[  915.959641]  ? exc_invalid_op+0x18/0x80
<4>[  915.959644]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.959653]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.959657]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.959660]  ? mark_held_locks+0x46/0x90
<4>[  915.959671]  __iommu_map+0x119/0x2c0
<4>[  915.959680]  iommu_map_sg+0xbf/0x210
<4>[  915.959687]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.959862]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  915.961991]  ? clear_bhb_loop+0x15/0x70
<4>[  915.962013] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  915.962163] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.962166] RAX: 0000000000000000 RBX: ffff888113765648 RCX: 0000000000000000
<4>[  915.962167] RDX: 0000000000000000 RSI: 0000000003d152c9 RDI: 0000000000000000
<4>[  915.962169] RBP: ffffc90004807208 R08: 000000000027f6c8 R09: 0000000000000001
<4>[  915.962170] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de538
<4>[  915.962172] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c8003
<4>[  915.962173] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.962175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.962176] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.962178] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.962179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.962181] Call Trace:
<4>[  915.962182]  <TASK>
<4>[  915.962184]  ? show_regs+0x6c/0x80
<4>[  915.962187]  ? __warn+0x93/0x1c0
<4>[  915.962191]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.962194]  ? report_bug+0x182/0x1b0
<4>[  915.962200]  ? handle_bug+0x6e/0xb0
<4>[  915.962202]  ? exc_invalid_op+0x18/0x80
<4>[  915.962205]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.962214]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.962218]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.962221]  ? mark_held_locks+0x46/0x90
<4>[  915.962232]  __iommu_map+0x119/0x2c0
<4>[  915.962241]  iommu_map_sg+0xbf/0x210
<4>[  915.962248]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.962258]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.962263]  dma_map_sgtable+0x1d/0x40
<4>[  915.963664]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  915.964562] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.964723] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.964727] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.964730] RAX: 0000000000000000 RBX: ffff888113765650 RCX: 0000000000000000
<4>[  915.964731] RDX: 0000000000000000 RSI: 0000000003d152ca RDI: 0000000000000000
<4>[  915.964733] RBP: ffffc90004807208 R08: 000000000027f6c9 R09: 0000000000000001
<4>[  915.964734] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de537
<4>[  915.964735] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6c9003
<4>[  915.964737] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.964739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.964740] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.964742] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.964743] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.964745] Call Trace:
<4>[  915.964746]  <TASK>
<4>[  915.964748]  ? show_regs+0x6c/0x80
<4>[  915.964751]  ? __warn+0x93/0x1c0
<4>[  915.964755]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.964759]  ? report_bug+0x182/0x1b0
<4>[  915.964764]  ? handle_bug+0x6e/0xb0
<4>[  915.964766]  ? exc_invalid_op+0x18/0x80
<4>[  915.964769]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.964778]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.964782]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.964785]  ? mark_held_locks+0x46/0x90
<4>[  915.964796]  __iommu_map+0x119/0x2c0
<4>[  915.964805]  iommu_map_sg+0xbf/0x210
<4>[  915.964812]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.964831]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.967115]  ? clear_bhb_loop+0x15/0x70
<4>[  915.967148]  </TASK>
<4>[  915.967155] softirqs last  enabled at (252852826): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.967287] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.967289] RAX: 0000000000000000 RBX: ffff888113765658 RCX: 0000000000000000
<4>[  915.967291] RDX: 0000000000000000 RSI: 0000000003d152cb RDI: 0000000000000000
<4>[  915.967292] RBP: ffffc90004807208 R08: 000000000027f6ca R09: 0000000000000001
<4>[  915.967294] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de536
<4>[  915.967295] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ca003
<4>[  915.967297] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.967298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.967300] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.967301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.967303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.967304] Call Trace:
<4>[  915.967305]  <TASK>
<4>[  915.967307]  ? show_regs+0x6c/0x80
<4>[  915.967311]  ? __warn+0x93/0x1c0
<4>[  915.967314]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.967318]  ? report_bug+0x182/0x1b0
<4>[  915.967323]  ? handle_bug+0x6e/0xb0
<4>[  915.967325]  ? exc_invalid_op+0x18/0x80
<4>[  915.967328]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.967337]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.967341]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.967344]  ? mark_held_locks+0x46/0x90
<4>[  915.967355]  __iommu_map+0x119/0x2c0
<4>[  915.967364]  iommu_map_sg+0xbf/0x210
<4>[  915.967371]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.967381]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.969623]  x64_sys_call+0x131e/0x2650
<4>[  915.969694] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.969851] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.969854] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.969857] RAX: 0000000000000000 RBX: ffff888113765660 RCX: 0000000000000000
<4>[  915.969858] RDX: 0000000000000000 RSI: 0000000003d152cc RDI: 0000000000000000
<4>[  915.969860] RBP: ffffc90004807208 R08: 000000000027f6cb R09: 0000000000000001
<4>[  915.969861] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de535
<4>[  915.969863] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6cb003
<4>[  915.969864] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.969866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.969868] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.969869] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.969870] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.969872] Call Trace:
<4>[  915.969873]  <TASK>
<4>[  915.969875]  ? show_regs+0x6c/0x80
<4>[  915.969878]  ? __warn+0x93/0x1c0
<4>[  915.969882]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.969886]  ? report_bug+0x182/0x1b0
<4>[  915.969891]  ? handle_bug+0x6e/0xb0
<4>[  915.969893]  ? exc_invalid_op+0x18/0x80
<4>[  915.969896]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.969905]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.969909]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.969912]  ? mark_held_locks+0x46/0x90
<4>[  915.969923]  __iommu_map+0x119/0x2c0
<4>[  915.969932]  iommu_map_sg+0xbf/0x210
<4>[  915.969939]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.969949]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.972185]  x64_sys_call+0x131e/0x2650
<4>[  915.972256] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.972412] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.972416] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.972418] RAX: 0000000000000000 RBX: ffff888113765668 RCX: 0000000000000000
<4>[  915.972420] RDX: 0000000000000000 RSI: 0000000003d152cd RDI: 0000000000000000
<4>[  915.972421] RBP: ffffc90004807208 R08: 000000000027f6cc R09: 0000000000000001
<4>[  915.972423] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de534
<4>[  915.972424] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6cc003
<4>[  915.972426] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.972427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.972429] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.972430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.972432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.972433] Call Trace:
<4>[  915.972435]  <TASK>
<4>[  915.972436]  ? show_regs+0x6c/0x80
<4>[  915.972440]  ? __warn+0x93/0x1c0
<4>[  915.972443]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.972447]  ? report_bug+0x182/0x1b0
<4>[  915.972452]  ? handle_bug+0x6e/0xb0
<4>[  915.972454]  ? exc_invalid_op+0x18/0x80
<4>[  915.972457]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.972466]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.972470]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.972473]  ? mark_held_locks+0x46/0x90
<4>[  915.972484]  __iommu_map+0x119/0x2c0
<4>[  915.972493]  iommu_map_sg+0xbf/0x210
<4>[  915.972500]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.972516]  dma_map_sgtable+0x1d/0x40
<4>[  915.974747]  __x64_sys_ioctl+0xa4/0xe0
<4>[  915.974821] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  915.974986] RAX: 0000000000000000 RBX: ffff888113765670 RCX: 0000000000000000
<4>[  915.974987] RDX: 0000000000000000 RSI: 0000000003d152ce RDI: 0000000000000000
<4>[  915.974989] RBP: ffffc90004807208 R08: 000000000027f6cd R09: 0000000000000001
<4>[  915.974990] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de533
<4>[  915.974992] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6cd003
<4>[  915.974993] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.974995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.974997] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.974998] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.974999] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.975001] Call Trace:
<4>[  915.975002]  <TASK>
<4>[  915.975004]  ? show_regs+0x6c/0x80
<4>[  915.975007]  ? __warn+0x93/0x1c0
<4>[  915.975011]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.975015]  ? report_bug+0x182/0x1b0
<4>[  915.975020]  ? handle_bug+0x6e/0xb0
<4>[  915.975022]  ? exc_invalid_op+0x18/0x80
<4>[  915.975025]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.975034]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.975038]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.975041]  ? mark_held_locks+0x46/0x90
<4>[  915.975052]  __iommu_map+0x119/0x2c0
<4>[  915.975061]  iommu_map_sg+0xbf/0x210
<4>[  915.975068]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.976827]  ? find_held_lock+0x31/0x90
<4>[  915.977379] RIP: 0033:0x719556d24ded
<4>[  915.977404] irq event stamp: 252869913
<4>[  915.977516]  wmi pmt_class nls_iso8859_1 intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr fuse nvme_fabrics efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  915.977546] RDX: 0000000000000000 RSI: 0000000003d152cf RDI: 0000000000000000
<4>[  915.977548] RBP: ffffc90004807208 R08: 000000000027f6ce R09: 0000000000000001
<4>[  915.977550] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de532
<4>[  915.977551] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ce003
<4>[  915.977553] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.977554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.977556] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.977557] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.977559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.977560] Call Trace:
<4>[  915.977561]  <TASK>
<4>[  915.977563]  ? show_regs+0x6c/0x80
<4>[  915.977567]  ? __warn+0x93/0x1c0
<4>[  915.977570]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.977574]  ? report_bug+0x182/0x1b0
<4>[  915.977579]  ? handle_bug+0x6e/0xb0
<4>[  915.977581]  ? exc_invalid_op+0x18/0x80
<4>[  915.977584]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.977598]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.977602]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.977605]  ? mark_held_locks+0x46/0x90
<4>[  915.977616]  __iommu_map+0x119/0x2c0
<4>[  915.977625]  iommu_map_sg+0xbf/0x210
<4>[  915.977632]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.977652]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.979937]  ? clear_bhb_loop+0x15/0x70
<4>[  915.979970]  </TASK>
<4>[  915.979977] softirqs last  enabled at (252872936): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.980110] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.980112] RAX: 0000000000000000 RBX: ffff888113765680 RCX: 0000000000000000
<4>[  915.980113] RDX: 0000000000000000 RSI: 0000000003d152d0 RDI: 0000000000000000
<4>[  915.980115] RBP: ffffc90004807208 R08: 000000000027f6cf R09: 0000000000000001
<4>[  915.980116] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de531
<4>[  915.980118] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6cf003
<4>[  915.980119] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.980121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.980123] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.980124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.980126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.980127] Call Trace:
<4>[  915.980128]  <TASK>
<4>[  915.980130]  ? show_regs+0x6c/0x80
<4>[  915.980133]  ? __warn+0x93/0x1c0
<4>[  915.980137]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.980140]  ? report_bug+0x182/0x1b0
<4>[  915.980145]  ? handle_bug+0x6e/0xb0
<4>[  915.980148]  ? exc_invalid_op+0x18/0x80
<4>[  915.980151]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.980160]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.980163]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.980166]  ? mark_held_locks+0x46/0x90
<4>[  915.980177]  __iommu_map+0x119/0x2c0
<4>[  915.980187]  iommu_map_sg+0xbf/0x210
<4>[  915.980194]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.980204]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.982435]  __x64_sys_ioctl+0xa4/0xe0
<4>[  915.982510] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.982672] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.982676] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.982678] RAX: 0000000000000000 RBX: ffff888113765688 RCX: 0000000000000000
<4>[  915.982680] RDX: 0000000000000000 RSI: 0000000003d152d1 RDI: 0000000000000000
<4>[  915.982682] RBP: ffffc90004807208 R08: 000000000027f6d0 R09: 0000000000000001
<4>[  915.982683] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de530
<4>[  915.982685] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d0003
<4>[  915.982686] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.982688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.982690] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.982691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.982693] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.982694] Call Trace:
<4>[  915.982695]  <TASK>
<4>[  915.982697]  ? show_regs+0x6c/0x80
<4>[  915.982701]  ? __warn+0x93/0x1c0
<4>[  915.982704]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.982708]  ? report_bug+0x182/0x1b0
<4>[  915.982713]  ? handle_bug+0x6e/0xb0
<4>[  915.982715]  ? exc_invalid_op+0x18/0x80
<4>[  915.982718]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.982727]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.982731]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.982734]  ? mark_held_locks+0x46/0x90
<4>[  915.982745]  __iommu_map+0x119/0x2c0
<4>[  915.982754]  iommu_map_sg+0xbf/0x210
<4>[  915.982761]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.982771]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.985005]  x64_sys_call+0x131e/0x2650
<4>[  915.985076] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.985232] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.985235] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.985238] RAX: 0000000000000000 RBX: ffff888113765690 RCX: 0000000000000000
<4>[  915.985239] RDX: 0000000000000000 RSI: 0000000003d152d2 RDI: 0000000000000000
<4>[  915.985241] RBP: ffffc90004807208 R08: 000000000027f6d1 R09: 0000000000000001
<4>[  915.985242] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52f
<4>[  915.985243] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d1003
<4>[  915.985245] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.985247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.985248] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.985250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.985252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.985253] Call Trace:
<4>[  915.985254]  <TASK>
<4>[  915.985256]  ? show_regs+0x6c/0x80
<4>[  915.985260]  ? __warn+0x93/0x1c0
<4>[  915.985263]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.985267]  ? report_bug+0x182/0x1b0
<4>[  915.985272]  ? handle_bug+0x6e/0xb0
<4>[  915.985275]  ? exc_invalid_op+0x18/0x80
<4>[  915.985278]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.985287]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.985290]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.985293]  ? mark_held_locks+0x46/0x90
<4>[  915.985304]  __iommu_map+0x119/0x2c0
<4>[  915.985313]  iommu_map_sg+0xbf/0x210
<4>[  915.985320]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.985330]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.987560]  __x64_sys_ioctl+0xa4/0xe0
<4>[  915.987639] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.987796] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.987800] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.987802] RAX: 0000000000000000 RBX: ffff888113765698 RCX: 0000000000000000
<4>[  915.987804] RDX: 0000000000000000 RSI: 0000000003d152d3 RDI: 0000000000000000
<4>[  915.987805] RBP: ffffc90004807208 R08: 000000000027f6d2 R09: 0000000000000001
<4>[  915.987806] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52e
<4>[  915.987808] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d2003
<4>[  915.987810] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.987811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.987813] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.987814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.987816] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.987817] Call Trace:
<4>[  915.987818]  <TASK>
<4>[  915.987820]  ? show_regs+0x6c/0x80
<4>[  915.987824]  ? __warn+0x93/0x1c0
<4>[  915.987827]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.987831]  ? report_bug+0x182/0x1b0
<4>[  915.987836]  ? handle_bug+0x6e/0xb0
<4>[  915.987838]  ? exc_invalid_op+0x18/0x80
<4>[  915.987841]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.987850]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.987854]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.987857]  ? mark_held_locks+0x46/0x90
<4>[  915.987868]  __iommu_map+0x119/0x2c0
<4>[  915.987877]  iommu_map_sg+0xbf/0x210
<4>[  915.987884]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.987894]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.989955]  drm_ioctl_kernel+0xb2/0x120
<4>[  915.990203] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.990359] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.990362] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.990364] RAX: 0000000000000000 RBX: ffff8881137656a0 RCX: 0000000000000000
<4>[  915.990366] RDX: 0000000000000000 RSI: 0000000003d152d4 RDI: 0000000000000000
<4>[  915.990367] RBP: ffffc90004807208 R08: 000000000027f6d3 R09: 0000000000000001
<4>[  915.990369] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52d
<4>[  915.990371] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d3003
<4>[  915.990372] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.990374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.990375] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.990377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.990378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.990380] Call Trace:
<4>[  915.990381]  <TASK>
<4>[  915.990383]  ? show_regs+0x6c/0x80
<4>[  915.990386]  ? __warn+0x93/0x1c0
<4>[  915.990390]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.990393]  ? report_bug+0x182/0x1b0
<4>[  915.990398]  ? handle_bug+0x6e/0xb0
<4>[  915.990401]  ? exc_invalid_op+0x18/0x80
<4>[  915.990404]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.990413]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.990417]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.990420]  ? mark_held_locks+0x46/0x90
<4>[  915.990431]  __iommu_map+0x119/0x2c0
<4>[  915.990440]  iommu_map_sg+0xbf/0x210
<4>[  915.990447]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.990457]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.992697]  x64_sys_call+0x131e/0x2650
<4>[  915.992768] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.992925] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.992929] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.992931] RAX: 0000000000000000 RBX: ffff8881137656a8 RCX: 0000000000000000
<4>[  915.992932] RDX: 0000000000000000 RSI: 0000000003d152d5 RDI: 0000000000000000
<4>[  915.992934] RBP: ffffc90004807208 R08: 000000000027f6d4 R09: 0000000000000001
<4>[  915.992935] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52c
<4>[  915.992937] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d4003
<4>[  915.992938] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.992940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.992942] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.992943] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.992945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.992946] Call Trace:
<4>[  915.992947]  <TASK>
<4>[  915.992949]  ? show_regs+0x6c/0x80
<4>[  915.992953]  ? __warn+0x93/0x1c0
<4>[  915.992956]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.992960]  ? report_bug+0x182/0x1b0
<4>[  915.992965]  ? handle_bug+0x6e/0xb0
<4>[  915.992967]  ? exc_invalid_op+0x18/0x80
<4>[  915.992970]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.992979]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.992983]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.992986]  ? mark_held_locks+0x46/0x90
<4>[  915.992997]  __iommu_map+0x119/0x2c0
<4>[  915.993006]  iommu_map_sg+0xbf/0x210
<4>[  915.993013]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.993023]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.995260]  x64_sys_call+0x131e/0x2650
<4>[  915.995330] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  915.995486] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  915.995490] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.995492] RAX: 0000000000000000 RBX: ffff8881137656b0 RCX: 0000000000000000
<4>[  915.995493] RDX: 0000000000000000 RSI: 0000000003d152d6 RDI: 0000000000000000
<4>[  915.995495] RBP: ffffc90004807208 R08: 000000000027f6d5 R09: 0000000000000001
<4>[  915.995496] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52b
<4>[  915.995498] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d5003
<4>[  915.995500] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.995501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.995503] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.995504] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.995506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.995507] Call Trace:
<4>[  915.995509]  <TASK>
<4>[  915.995510]  ? show_regs+0x6c/0x80
<4>[  915.995514]  ? __warn+0x93/0x1c0
<4>[  915.995517]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.995521]  ? report_bug+0x182/0x1b0
<4>[  915.995526]  ? handle_bug+0x6e/0xb0
<4>[  915.995528]  ? exc_invalid_op+0x18/0x80
<4>[  915.995531]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.995540]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.995544]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.995547]  ? mark_held_locks+0x46/0x90
<4>[  915.995558]  __iommu_map+0x119/0x2c0
<4>[  915.995567]  iommu_map_sg+0xbf/0x210
<4>[  915.995574]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.995598]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  915.997883]  ? clear_bhb_loop+0x15/0x70
<4>[  915.997915]  </TASK>
<4>[  915.997923] softirqs last  enabled at (252901038): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  915.998056] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  915.998058] RAX: 0000000000000000 RBX: ffff8881137656b8 RCX: 0000000000000000
<4>[  915.998060] RDX: 0000000000000000 RSI: 0000000003d152d7 RDI: 0000000000000000
<4>[  915.998061] RBP: ffffc90004807208 R08: 000000000027f6d6 R09: 0000000000000001
<4>[  915.998063] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de52a
<4>[  915.998064] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d6003
<4>[  915.998066] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  915.998067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  915.998069] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  915.998071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  915.998072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  915.998073] Call Trace:
<4>[  915.998075]  <TASK>
<4>[  915.998076]  ? show_regs+0x6c/0x80
<4>[  915.998080]  ? __warn+0x93/0x1c0
<4>[  915.998083]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.998087]  ? report_bug+0x182/0x1b0
<4>[  915.998092]  ? handle_bug+0x6e/0xb0
<4>[  915.998095]  ? exc_invalid_op+0x18/0x80
<4>[  915.998098]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  915.998107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  915.998110]  ? intel_iommu_map_pages+0x664/0x820
<4>[  915.998113]  ? mark_held_locks+0x46/0x90
<4>[  915.998124]  __iommu_map+0x119/0x2c0
<4>[  915.998133]  iommu_map_sg+0xbf/0x210
<4>[  915.998140]  iommu_dma_map_sg+0x43b/0x520
<4>[  915.998150]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  915.999706]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  916.000459] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  916.000617] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.000620] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.000623] RAX: 0000000000000000 RBX: ffff8881137656c0 RCX: 0000000000000000
<4>[  916.000624] RDX: 0000000000000000 RSI: 0000000003d152d8 RDI: 0000000000000000
<4>[  916.000626] RBP: ffffc90004807208 R08: 000000000027f6d7 R09: 0000000000000001
<4>[  916.000627] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de529
<4>[  916.000629] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d7003
<4>[  916.000630] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.000632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.000633] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.000635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.000636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.000638] Call Trace:
<4>[  916.000639]  <TASK>
<4>[  916.000641]  ? show_regs+0x6c/0x80
<4>[  916.000644]  ? __warn+0x93/0x1c0
<4>[  916.000648]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.000651]  ? report_bug+0x182/0x1b0
<4>[  916.000657]  ? handle_bug+0x6e/0xb0
<4>[  916.000659]  ? exc_invalid_op+0x18/0x80
<4>[  916.000662]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.000671]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.000675]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.000678]  ? mark_held_locks+0x46/0x90
<4>[  916.000689]  __iommu_map+0x119/0x2c0
<4>[  916.000698]  iommu_map_sg+0xbf/0x210
<4>[  916.000705]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.000724]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.003009]  ? clear_bhb_loop+0x15/0x70
<4>[  916.003042]  </TASK>
<4>[  916.003049] softirqs last  enabled at (252909030): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.003182] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.003184] RAX: 0000000000000000 RBX: ffff8881137656c8 RCX: 0000000000000000
<4>[  916.003186] RDX: 0000000000000000 RSI: 0000000003d152d9 RDI: 0000000000000000
<4>[  916.003187] RBP: ffffc90004807208 R08: 000000000027f6d8 R09: 0000000000000001
<4>[  916.003189] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de528
<4>[  916.003190] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d8003
<4>[  916.003192] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.003194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.003195] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.003197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.003198] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.003200] Call Trace:
<4>[  916.003201]  <TASK>
<4>[  916.003203]  ? show_regs+0x6c/0x80
<4>[  916.003206]  ? __warn+0x93/0x1c0
<4>[  916.003209]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.003213]  ? report_bug+0x182/0x1b0
<4>[  916.003218]  ? handle_bug+0x6e/0xb0
<4>[  916.003221]  ? exc_invalid_op+0x18/0x80
<4>[  916.003224]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.003233]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.003236]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.003239]  ? mark_held_locks+0x46/0x90
<4>[  916.003250]  __iommu_map+0x119/0x2c0
<4>[  916.003259]  iommu_map_sg+0xbf/0x210
<4>[  916.003267]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.003277]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.005495]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  916.005583] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  916.005744] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.005749] RDX: 0000000000000000 RSI: 0000000003d152da RDI: 0000000000000000
<4>[  916.005750] RBP: ffffc90004807208 R08: 000000000027f6d9 R09: 0000000000000001
<4>[  916.005752] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de527
<4>[  916.005753] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6d9003
<4>[  916.005755] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.005757] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.005758] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.005760] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.005761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.005763] Call Trace:
<4>[  916.005764]  <TASK>
<4>[  916.005766]  ? show_regs+0x6c/0x80
<4>[  916.005769]  ? __warn+0x93/0x1c0
<4>[  916.005772]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.005776]  ? report_bug+0x182/0x1b0
<4>[  916.005781]  ? handle_bug+0x6e/0xb0
<4>[  916.005784]  ? exc_invalid_op+0x18/0x80
<4>[  916.005787]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.005796]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.005799]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.005802]  ? mark_held_locks+0x46/0x90
<4>[  916.005813]  __iommu_map+0x119/0x2c0
<4>[  916.005823]  iommu_map_sg+0xbf/0x210
<4>[  916.006468]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  916.008145] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.008300] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.008304] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.008306] RAX: 0000000000000000 RBX: ffff8881137656d8 RCX: 0000000000000000
<4>[  916.008308] RDX: 0000000000000000 RSI: 0000000003d152db RDI: 0000000000000000
<4>[  916.008309] RBP: ffffc90004807208 R08: 000000000027f6da R09: 0000000000000001
<4>[  916.008311] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de526
<4>[  916.008312] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6da003
<4>[  916.008314] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.008315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.008317] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.008319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.008320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.008321] Call Trace:
<4>[  916.008323]  <TASK>
<4>[  916.008324]  ? show_regs+0x6c/0x80
<4>[  916.008328]  ? __warn+0x93/0x1c0
<4>[  916.008331]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.008335]  ? report_bug+0x182/0x1b0
<4>[  916.008340]  ? handle_bug+0x6e/0xb0
<4>[  916.008343]  ? exc_invalid_op+0x18/0x80
<4>[  916.008346]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.008355]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.008358]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.008361]  ? mark_held_locks+0x46/0x90
<4>[  916.008372]  __iommu_map+0x119/0x2c0
<4>[  916.008381]  iommu_map_sg+0xbf/0x210
<4>[  916.008388]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.008399]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.010641]  do_syscall_64+0x91/0x180
<4>[  916.010710] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.010867] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.010870] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.010873] RAX: 0000000000000000 RBX: ffff8881137656e0 RCX: 0000000000000000
<4>[  916.010874] RDX: 0000000000000000 RSI: 0000000003d152dc RDI: 0000000000000000
<4>[  916.010876] RBP: ffffc90004807208 R08: 000000000027f6db R09: 0000000000000001
<4>[  916.010877] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de525
<4>[  916.010879] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6db003
<4>[  916.010880] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.010882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.010883] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.010885] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.010886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.010888] Call Trace:
<4>[  916.010889]  <TASK>
<4>[  916.010891]  ? show_regs+0x6c/0x80
<4>[  916.010894]  ? __warn+0x93/0x1c0
<4>[  916.010897]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.010901]  ? report_bug+0x182/0x1b0
<4>[  916.010906]  ? handle_bug+0x6e/0xb0
<4>[  916.010909]  ? exc_invalid_op+0x18/0x80
<4>[  916.010912]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.010921]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.010924]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.010927]  ? mark_held_locks+0x46/0x90
<4>[  916.010938]  __iommu_map+0x119/0x2c0
<4>[  916.010947]  iommu_map_sg+0xbf/0x210
<4>[  916.010954]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.010964]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.013202]  x64_sys_call+0x131e/0x2650
<4>[  916.013272] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.013429] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.013433] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.013435] RAX: 0000000000000000 RBX: ffff8881137656e8 RCX: 0000000000000000
<4>[  916.013436] RDX: 0000000000000000 RSI: 0000000003d152dd RDI: 0000000000000000
<4>[  916.013438] RBP: ffffc90004807208 R08: 000000000027f6dc R09: 0000000000000001
<4>[  916.013439] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de524
<4>[  916.013441] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6dc003
<4>[  916.013442] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.013444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.013446] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.013447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.013449] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.013450] Call Trace:
<4>[  916.013451]  <TASK>
<4>[  916.013453]  ? show_regs+0x6c/0x80
<4>[  916.013457]  ? __warn+0x93/0x1c0
<4>[  916.013460]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.013464]  ? report_bug+0x182/0x1b0
<4>[  916.013469]  ? handle_bug+0x6e/0xb0
<4>[  916.013471]  ? exc_invalid_op+0x18/0x80
<4>[  916.013474]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.013484]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.013487]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.013490]  ? mark_held_locks+0x46/0x90
<4>[  916.013501]  __iommu_map+0x119/0x2c0
<4>[  916.013510]  iommu_map_sg+0xbf/0x210
<4>[  916.013517]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.013527]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.015769]  x64_sys_call+0x131e/0x2650
<4>[  916.015840] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.015997] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.016000] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.016003] RAX: 0000000000000000 RBX: ffff8881137656f0 RCX: 0000000000000000
<4>[  916.016004] RDX: 0000000000000000 RSI: 0000000003d152de RDI: 0000000000000000
<4>[  916.016006] RBP: ffffc90004807208 R08: 000000000027f6dd R09: 0000000000000001
<4>[  916.016007] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de523
<4>[  916.016009] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6dd003
<4>[  916.016010] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.016012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.016013] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.016015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.016016] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.016018] Call Trace:
<4>[  916.016019]  <TASK>
<4>[  916.016021]  ? show_regs+0x6c/0x80
<4>[  916.016024]  ? __warn+0x93/0x1c0
<4>[  916.016027]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.016031]  ? report_bug+0x182/0x1b0
<4>[  916.016036]  ? handle_bug+0x6e/0xb0
<4>[  916.016039]  ? exc_invalid_op+0x18/0x80
<4>[  916.016042]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.016051]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.016054]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.016057]  ? mark_held_locks+0x46/0x90
<4>[  916.016068]  __iommu_map+0x119/0x2c0
<4>[  916.016078]  iommu_map_sg+0xbf/0x210
<4>[  916.016085]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.016095]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.018331]  x64_sys_call+0x131e/0x2650
<4>[  916.018401] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.018558] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.018561] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.018564] RAX: 0000000000000000 RBX: ffff8881137656f8 RCX: 0000000000000000
<4>[  916.018565] RDX: 0000000000000000 RSI: 0000000003d152df RDI: 0000000000000000
<4>[  916.018567] RBP: ffffc90004807208 R08: 000000000027f6de R09: 0000000000000001
<4>[  916.018568] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de522
<4>[  916.018570] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6de003
<4>[  916.018571] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.018573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.018575] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.018576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.018578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.018579] Call Trace:
<4>[  916.018580]  <TASK>
<4>[  916.018582]  ? show_regs+0x6c/0x80
<4>[  916.018585]  ? __warn+0x93/0x1c0
<4>[  916.018589]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.018597]  ? report_bug+0x182/0x1b0
<4>[  916.018603]  ? handle_bug+0x6e/0xb0
<4>[  916.018605]  ? exc_invalid_op+0x18/0x80
<4>[  916.018608]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.018617]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.018621]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.018624]  ? mark_held_locks+0x46/0x90
<4>[  916.018635]  __iommu_map+0x119/0x2c0
<4>[  916.018644]  iommu_map_sg+0xbf/0x210
<4>[  916.018651]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.018667]  dma_map_sgtable+0x1d/0x40
<4>[  916.020896]  x64_sys_call+0x131e/0x2650
<4>[  916.020967] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.021123] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.021127] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.021129] RAX: 0000000000000000 RBX: ffff888113765700 RCX: 0000000000000000
<4>[  916.021131] RDX: 0000000000000000 RSI: 0000000003d152e0 RDI: 0000000000000000
<4>[  916.021132] RBP: ffffc90004807208 R08: 000000000027f6df R09: 0000000000000001
<4>[  916.021134] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de521
<4>[  916.021135] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6df003
<4>[  916.021137] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.021138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.021140] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.021142] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.021143] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.021144] Call Trace:
<4>[  916.021146]  <TASK>
<4>[  916.021147]  ? show_regs+0x6c/0x80
<4>[  916.021151]  ? __warn+0x93/0x1c0
<4>[  916.021154]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.021158]  ? report_bug+0x182/0x1b0
<4>[  916.021163]  ? handle_bug+0x6e/0xb0
<4>[  916.021166]  ? exc_invalid_op+0x18/0x80
<4>[  916.021169]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.021178]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.021181]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.021184]  ? mark_held_locks+0x46/0x90
<4>[  916.021195]  __iommu_map+0x119/0x2c0
<4>[  916.021204]  iommu_map_sg+0xbf/0x210
<4>[  916.021212]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.021222]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.023448]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  916.023536] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  916.023696] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.023702] RDX: 0000000000000000 RSI: 0000000003d152e1 RDI: 0000000000000000
<4>[  916.023703] RBP: ffffc90004807208 R08: 000000000027f6e0 R09: 0000000000000001
<4>[  916.023705] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de520
<4>[  916.023706] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e0003
<4>[  916.023708] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.023709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.023711] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.023713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.023714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.023715] Call Trace:
<4>[  916.023717]  <TASK>
<4>[  916.023719]  ? show_regs+0x6c/0x80
<4>[  916.023722]  ? __warn+0x93/0x1c0
<4>[  916.023726]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.023730]  ? report_bug+0x182/0x1b0
<4>[  916.023735]  ? handle_bug+0x6e/0xb0
<4>[  916.023738]  ? exc_invalid_op+0x18/0x80
<4>[  916.023740]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.023750]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.023753]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.023756]  ? mark_held_locks+0x46/0x90
<4>[  916.023767]  __iommu_map+0x119/0x2c0
<4>[  916.023776]  iommu_map_sg+0xbf/0x210
<4>[  916.024571]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  916.026099] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.026255] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.026259] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.026261] RAX: 0000000000000000 RBX: ffff888113765710 RCX: 0000000000000000
<4>[  916.026262] RDX: 0000000000000000 RSI: 0000000003d152e2 RDI: 0000000000000000
<4>[  916.026264] RBP: ffffc90004807208 R08: 000000000027f6e1 R09: 0000000000000001
<4>[  916.026265] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51f
<4>[  916.026267] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e1003
<4>[  916.026269] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.026270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.026272] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.026273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.026275] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.026276] Call Trace:
<4>[  916.026277]  <TASK>
<4>[  916.026279]  ? show_regs+0x6c/0x80
<4>[  916.026283]  ? __warn+0x93/0x1c0
<4>[  916.026286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.026290]  ? report_bug+0x182/0x1b0
<4>[  916.026295]  ? handle_bug+0x6e/0xb0
<4>[  916.026297]  ? exc_invalid_op+0x18/0x80
<4>[  916.026300]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.026309]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.026313]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.026316]  ? mark_held_locks+0x46/0x90
<4>[  916.026327]  __iommu_map+0x119/0x2c0
<4>[  916.026336]  iommu_map_sg+0xbf/0x210
<4>[  916.026343]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.026353]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.028601]  x64_sys_call+0x131e/0x2650
<4>[  916.028671] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.028830] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.028833] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.028836] RAX: 0000000000000000 RBX: ffff888113765718 RCX: 0000000000000000
<4>[  916.028837] RDX: 0000000000000000 RSI: 0000000003d152e3 RDI: 0000000000000000
<4>[  916.028839] RBP: ffffc90004807208 R08: 000000000027f6e2 R09: 0000000000000001
<4>[  916.028840] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51e
<4>[  916.028842] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e2003
<4>[  916.028843] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.028845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.028847] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.028848] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.028850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.028851] Call Trace:
<4>[  916.028852]  <TASK>
<4>[  916.028854]  ? show_regs+0x6c/0x80
<4>[  916.028858]  ? __warn+0x93/0x1c0
<4>[  916.028861]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.028865]  ? report_bug+0x182/0x1b0
<4>[  916.028870]  ? handle_bug+0x6e/0xb0
<4>[  916.028872]  ? exc_invalid_op+0x18/0x80
<4>[  916.028875]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.028884]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.028888]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.028891]  ? mark_held_locks+0x46/0x90
<4>[  916.028902]  __iommu_map+0x119/0x2c0
<4>[  916.028911]  iommu_map_sg+0xbf/0x210
<4>[  916.028918]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.028928]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.031166]  x64_sys_call+0x131e/0x2650
<4>[  916.031236] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.031394] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.031397] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.031399] RAX: 0000000000000000 RBX: ffff888113765720 RCX: 0000000000000000
<4>[  916.031401] RDX: 0000000000000000 RSI: 0000000003d152e4 RDI: 0000000000000000
<4>[  916.031403] RBP: ffffc90004807208 R08: 000000000027f6e3 R09: 0000000000000001
<4>[  916.031404] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51d
<4>[  916.031406] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e3003
<4>[  916.031407] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.031409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.031410] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.031412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.031413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.031415] Call Trace:
<4>[  916.031416]  <TASK>
<4>[  916.031418]  ? show_regs+0x6c/0x80
<4>[  916.031421]  ? __warn+0x93/0x1c0
<4>[  916.031425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.031428]  ? report_bug+0x182/0x1b0
<4>[  916.031433]  ? handle_bug+0x6e/0xb0
<4>[  916.031436]  ? exc_invalid_op+0x18/0x80
<4>[  916.031439]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.031448]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.031451]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.031454]  ? mark_held_locks+0x46/0x90
<4>[  916.031466]  __iommu_map+0x119/0x2c0
<4>[  916.031475]  iommu_map_sg+0xbf/0x210
<4>[  916.031482]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.031501]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.033789]  ? clear_bhb_loop+0x15/0x70
<4>[  916.033822]  </TASK>
<4>[  916.033829] softirqs last  enabled at (252957332): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.033963] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.033965] RAX: 0000000000000000 RBX: ffff888113765728 RCX: 0000000000000000
<4>[  916.033967] RDX: 0000000000000000 RSI: 0000000003d152e5 RDI: 0000000000000000
<4>[  916.033968] RBP: ffffc90004807208 R08: 000000000027f6e4 R09: 0000000000000001
<4>[  916.033970] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51c
<4>[  916.033971] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e4003
<4>[  916.033973] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.033974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.033976] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.033977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.033979] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.033980] Call Trace:
<4>[  916.033981]  <TASK>
<4>[  916.033983]  ? show_regs+0x6c/0x80
<4>[  916.033987]  ? __warn+0x93/0x1c0
<4>[  916.033990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.033994]  ? report_bug+0x182/0x1b0
<4>[  916.033999]  ? handle_bug+0x6e/0xb0
<4>[  916.034002]  ? exc_invalid_op+0x18/0x80
<4>[  916.034005]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.034014]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.034017]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.034020]  ? mark_held_locks+0x46/0x90
<4>[  916.034031]  __iommu_map+0x119/0x2c0
<4>[  916.034040]  iommu_map_sg+0xbf/0x210
<4>[  916.034048]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.034057]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.036290]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.036365] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.036523] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.036526] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.036529] RAX: 0000000000000000 RBX: ffff888113765730 RCX: 0000000000000000
<4>[  916.036530] RDX: 0000000000000000 RSI: 0000000003d152e6 RDI: 0000000000000000
<4>[  916.036532] RBP: ffffc90004807208 R08: 000000000027f6e5 R09: 0000000000000001
<4>[  916.036533] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51b
<4>[  916.036535] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e5003
<4>[  916.036536] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.036538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.036540] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.036541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.036542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.036544] Call Trace:
<4>[  916.036545]  <TASK>
<4>[  916.036547]  ? show_regs+0x6c/0x80
<4>[  916.036550]  ? __warn+0x93/0x1c0
<4>[  916.036554]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.036557]  ? report_bug+0x182/0x1b0
<4>[  916.036563]  ? handle_bug+0x6e/0xb0
<4>[  916.036565]  ? exc_invalid_op+0x18/0x80
<4>[  916.036568]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.036577]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.036581]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.036583]  ? mark_held_locks+0x46/0x90
<4>[  916.036600]  __iommu_map+0x119/0x2c0
<4>[  916.036609]  iommu_map_sg+0xbf/0x210
<4>[  916.036616]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.036632]  dma_map_sgtable+0x1d/0x40
<4>[  916.038859]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.038934] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.039091] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.039095] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.039097] RAX: 0000000000000000 RBX: ffff888113765738 RCX: 0000000000000000
<4>[  916.039099] RDX: 0000000000000000 RSI: 0000000003d152e7 RDI: 0000000000000000
<4>[  916.039100] RBP: ffffc90004807208 R08: 000000000027f6e6 R09: 0000000000000001
<4>[  916.039102] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de51a
<4>[  916.039103] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e6003
<4>[  916.039105] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.039106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.039108] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.039109] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.039111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.039112] Call Trace:
<4>[  916.039114]  <TASK>
<4>[  916.039115]  ? show_regs+0x6c/0x80
<4>[  916.039119]  ? __warn+0x93/0x1c0
<4>[  916.039122]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.039126]  ? report_bug+0x182/0x1b0
<4>[  916.039131]  ? handle_bug+0x6e/0xb0
<4>[  916.039133]  ? exc_invalid_op+0x18/0x80
<4>[  916.039136]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.039145]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.039149]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.039152]  ? mark_held_locks+0x46/0x90
<4>[  916.039163]  __iommu_map+0x119/0x2c0
<4>[  916.039172]  iommu_map_sg+0xbf/0x210
<4>[  916.039179]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.039189]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.041249]  drm_ioctl_kernel+0xb2/0x120
<4>[  916.041496] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.041658] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.041661] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.041664] RAX: 0000000000000000 RBX: ffff888113765740 RCX: 0000000000000000
<4>[  916.041665] RDX: 0000000000000000 RSI: 0000000003d152e8 RDI: 0000000000000000
<4>[  916.041667] RBP: ffffc90004807208 R08: 000000000027f6e7 R09: 0000000000000001
<4>[  916.041668] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de519
<4>[  916.041670] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e7003
<4>[  916.041671] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.041673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.041675] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.041676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.041678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.041679] Call Trace:
<4>[  916.041681]  <TASK>
<4>[  916.041683]  ? show_regs+0x6c/0x80
<4>[  916.041686]  ? __warn+0x93/0x1c0
<4>[  916.041689]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.041693]  ? report_bug+0x182/0x1b0
<4>[  916.041699]  ? handle_bug+0x6e/0xb0
<4>[  916.041701]  ? exc_invalid_op+0x18/0x80
<4>[  916.041704]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.041713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.041717]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.041720]  ? mark_held_locks+0x46/0x90
<4>[  916.041731]  __iommu_map+0x119/0x2c0
<4>[  916.041740]  iommu_map_sg+0xbf/0x210
<4>[  916.041747]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.041757]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.043995]  x64_sys_call+0x131e/0x2650
<4>[  916.044065] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.044221] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.044224] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.044226] RAX: 0000000000000000 RBX: ffff888113765748 RCX: 0000000000000000
<4>[  916.044228] RDX: 0000000000000000 RSI: 0000000003d152e9 RDI: 0000000000000000
<4>[  916.044229] RBP: ffffc90004807208 R08: 000000000027f6e8 R09: 0000000000000001
<4>[  916.044231] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de518
<4>[  916.044232] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e8003
<4>[  916.044234] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.044236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.044237] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.044239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.044240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.044242] Call Trace:
<4>[  916.044243]  <TASK>
<4>[  916.044245]  ? show_regs+0x6c/0x80
<4>[  916.044248]  ? __warn+0x93/0x1c0
<4>[  916.044251]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.044255]  ? report_bug+0x182/0x1b0
<4>[  916.044260]  ? handle_bug+0x6e/0xb0
<4>[  916.044263]  ? exc_invalid_op+0x18/0x80
<4>[  916.044266]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.044275]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.044278]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.044281]  ? mark_held_locks+0x46/0x90
<4>[  916.044292]  __iommu_map+0x119/0x2c0
<4>[  916.044301]  iommu_map_sg+0xbf/0x210
<4>[  916.044309]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.044319]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.046556]  x64_sys_call+0x131e/0x2650
<4>[  916.046632] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.046788] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.046792] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.046794] RAX: 0000000000000000 RBX: ffff888113765750 RCX: 0000000000000000
<4>[  916.046795] RDX: 0000000000000000 RSI: 0000000003d152ea RDI: 0000000000000000
<4>[  916.046797] RBP: ffffc90004807208 R08: 000000000027f6e9 R09: 0000000000000001
<4>[  916.046798] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de517
<4>[  916.046800] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6e9003
<4>[  916.046802] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.046803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.046805] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.046806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.046808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.046809] Call Trace:
<4>[  916.046810]  <TASK>
<4>[  916.046812]  ? show_regs+0x6c/0x80
<4>[  916.046816]  ? __warn+0x93/0x1c0
<4>[  916.046819]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.046823]  ? report_bug+0x182/0x1b0
<4>[  916.046828]  ? handle_bug+0x6e/0xb0
<4>[  916.046830]  ? exc_invalid_op+0x18/0x80
<4>[  916.046833]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.046842]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.046846]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.046849]  ? mark_held_locks+0x46/0x90
<4>[  916.046860]  __iommu_map+0x119/0x2c0
<4>[  916.046869]  iommu_map_sg+0xbf/0x210
<4>[  916.046876]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.046895]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.049182]  ? clear_bhb_loop+0x15/0x70
<4>[  916.049214]  </TASK>
<4>[  916.049222] softirqs last  enabled at (252980562): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.049354] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.049356] RAX: 0000000000000000 RBX: ffff888113765758 RCX: 0000000000000000
<4>[  916.049357] RDX: 0000000000000000 RSI: 0000000003d152eb RDI: 0000000000000000
<4>[  916.049359] RBP: ffffc90004807208 R08: 000000000027f6ea R09: 0000000000000001
<4>[  916.049360] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de516
<4>[  916.049362] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ea003
<4>[  916.049364] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.049365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.049367] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.049368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.049370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.049371] Call Trace:
<4>[  916.049373]  <TASK>
<4>[  916.049374]  ? show_regs+0x6c/0x80
<4>[  916.049378]  ? __warn+0x93/0x1c0
<4>[  916.049381]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.049385]  ? report_bug+0x182/0x1b0
<4>[  916.049390]  ? handle_bug+0x6e/0xb0
<4>[  916.049392]  ? exc_invalid_op+0x18/0x80
<4>[  916.049395]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.049405]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.049408]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.049411]  ? mark_held_locks+0x46/0x90
<4>[  916.049422]  __iommu_map+0x119/0x2c0
<4>[  916.049431]  iommu_map_sg+0xbf/0x210
<4>[  916.049438]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.049448]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.051686]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.051761] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.051918] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.051922] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.051924] RAX: 0000000000000000 RBX: ffff888113765760 RCX: 0000000000000000
<4>[  916.051926] RDX: 0000000000000000 RSI: 0000000003d152ec RDI: 0000000000000000
<4>[  916.051927] RBP: ffffc90004807208 R08: 000000000027f6eb R09: 0000000000000001
<4>[  916.051929] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de515
<4>[  916.051930] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6eb003
<4>[  916.051932] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.051933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.051935] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.051937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.051938] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.051939] Call Trace:
<4>[  916.051941]  <TASK>
<4>[  916.051942]  ? show_regs+0x6c/0x80
<4>[  916.051946]  ? __warn+0x93/0x1c0
<4>[  916.051949]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.051953]  ? report_bug+0x182/0x1b0
<4>[  916.051958]  ? handle_bug+0x6e/0xb0
<4>[  916.051961]  ? exc_invalid_op+0x18/0x80
<4>[  916.051964]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.051973]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.051976]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.051979]  ? mark_held_locks+0x46/0x90
<4>[  916.051990]  __iommu_map+0x119/0x2c0
<4>[  916.051999]  iommu_map_sg+0xbf/0x210
<4>[  916.052006]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.052016]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.054087]  drm_ioctl+0x2de/0x5a0
<4>[  916.054325] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.054489] RAX: 0000000000000000 RBX: ffff888113765768 RCX: 0000000000000000
<4>[  916.054490] RDX: 0000000000000000 RSI: 0000000003d152ed RDI: 0000000000000000
<4>[  916.054492] RBP: ffffc90004807208 R08: 000000000027f6ec R09: 0000000000000001
<4>[  916.054493] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de514
<4>[  916.054495] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ec003
<4>[  916.054496] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.054498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.054499] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.054501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.054502] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.054504] Call Trace:
<4>[  916.054505]  <TASK>
<4>[  916.054507]  ? show_regs+0x6c/0x80
<4>[  916.054510]  ? __warn+0x93/0x1c0
<4>[  916.054513]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.054517]  ? report_bug+0x182/0x1b0
<4>[  916.054522]  ? handle_bug+0x6e/0xb0
<4>[  916.054525]  ? exc_invalid_op+0x18/0x80
<4>[  916.054528]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.054537]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.054540]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.054543]  ? mark_held_locks+0x46/0x90
<4>[  916.054555]  __iommu_map+0x119/0x2c0
<4>[  916.054564]  iommu_map_sg+0xbf/0x210
<4>[  916.054581]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.056826]  x64_sys_call+0x131e/0x2650
<4>[  916.056896] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.057052] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.057055] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.057058] RAX: 0000000000000000 RBX: ffff888113765770 RCX: 0000000000000000
<4>[  916.057059] RDX: 0000000000000000 RSI: 0000000003d152ee RDI: 0000000000000000
<4>[  916.057060] RBP: ffffc90004807208 R08: 000000000027f6ed R09: 0000000000000001
<4>[  916.057062] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de513
<4>[  916.057063] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ed003
<4>[  916.057065] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.057067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.057068] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.057070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.057071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.057073] Call Trace:
<4>[  916.057074]  <TASK>
<4>[  916.057076]  ? show_regs+0x6c/0x80
<4>[  916.057079]  ? __warn+0x93/0x1c0
<4>[  916.057082]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.057086]  ? report_bug+0x182/0x1b0
<4>[  916.057091]  ? handle_bug+0x6e/0xb0
<4>[  916.057094]  ? exc_invalid_op+0x18/0x80
<4>[  916.057097]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.057106]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.057109]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.057112]  ? mark_held_locks+0x46/0x90
<4>[  916.057123]  __iommu_map+0x119/0x2c0
<4>[  916.057132]  iommu_map_sg+0xbf/0x210
<4>[  916.057139]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.057149]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.059384]  x64_sys_call+0x131e/0x2650
<4>[  916.059454] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.059616] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.059619] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.059622] RAX: 0000000000000000 RBX: ffff888113765778 RCX: 0000000000000000
<4>[  916.059623] RDX: 0000000000000000 RSI: 0000000003d152ef RDI: 0000000000000000
<4>[  916.059625] RBP: ffffc90004807208 R08: 000000000027f6ee R09: 0000000000000001
<4>[  916.059626] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de512
<4>[  916.059628] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ee003
<4>[  916.059629] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.059631] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.059633] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.059634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.059636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.059637] Call Trace:
<4>[  916.059638]  <TASK>
<4>[  916.059640]  ? show_regs+0x6c/0x80
<4>[  916.059643]  ? __warn+0x93/0x1c0
<4>[  916.059647]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.059651]  ? report_bug+0x182/0x1b0
<4>[  916.059656]  ? handle_bug+0x6e/0xb0
<4>[  916.059658]  ? exc_invalid_op+0x18/0x80
<4>[  916.059661]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.059670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.059674]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.059677]  ? mark_held_locks+0x46/0x90
<4>[  916.059688]  __iommu_map+0x119/0x2c0
<4>[  916.059697]  iommu_map_sg+0xbf/0x210
<4>[  916.059704]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.059723]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.062006]  ? clear_bhb_loop+0x15/0x70
<4>[  916.062039]  </TASK>
<4>[  916.062046] softirqs last  enabled at (253001358): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.062179] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.062181] RAX: 0000000000000000 RBX: ffff888113765780 RCX: 0000000000000000
<4>[  916.062183] RDX: 0000000000000000 RSI: 0000000003d152f0 RDI: 0000000000000000
<4>[  916.062184] RBP: ffffc90004807208 R08: 000000000027f6ef R09: 0000000000000001
<4>[  916.062186] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de511
<4>[  916.062187] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ef003
<4>[  916.062189] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.062191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.062192] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.062194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.062195] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.062197] Call Trace:
<4>[  916.062198]  <TASK>
<4>[  916.062200]  ? show_regs+0x6c/0x80
<4>[  916.062203]  ? __warn+0x93/0x1c0
<4>[  916.062206]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.062210]  ? report_bug+0x182/0x1b0
<4>[  916.062215]  ? handle_bug+0x6e/0xb0
<4>[  916.062218]  ? exc_invalid_op+0x18/0x80
<4>[  916.062221]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.062230]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.062233]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.062236]  ? mark_held_locks+0x46/0x90
<4>[  916.062247]  __iommu_map+0x119/0x2c0
<4>[  916.062256]  iommu_map_sg+0xbf/0x210
<4>[  916.062264]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.062273]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.064498]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  916.064584] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  916.064745] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.064749] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.064751] RAX: 0000000000000000 RBX: ffff888113765788 RCX: 0000000000000000
<4>[  916.064752] RDX: 0000000000000000 RSI: 0000000003d152f1 RDI: 0000000000000000
<4>[  916.064754] RBP: ffffc90004807208 R08: 000000000027f6f0 R09: 0000000000000001
<4>[  916.064755] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de510
<4>[  916.064757] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f0003
<4>[  916.064758] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.064760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.064762] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.064763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.064765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.064766] Call Trace:
<4>[  916.064767]  <TASK>
<4>[  916.064769]  ? show_regs+0x6c/0x80
<4>[  916.064773]  ? __warn+0x93/0x1c0
<4>[  916.064776]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.064780]  ? report_bug+0x182/0x1b0
<4>[  916.064785]  ? handle_bug+0x6e/0xb0
<4>[  916.064788]  ? exc_invalid_op+0x18/0x80
<4>[  916.064791]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.064800]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.064803]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.064806]  ? mark_held_locks+0x46/0x90
<4>[  916.064817]  __iommu_map+0x119/0x2c0
<4>[  916.064826]  iommu_map_sg+0xbf/0x210
<4>[  916.064833]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.064852]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.067141]  ? clear_bhb_loop+0x15/0x70
<4>[  916.067173]  </TASK>
<4>[  916.067180] softirqs last  enabled at (253009158): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.067313] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.067315] RAX: 0000000000000000 RBX: ffff888113765790 RCX: 0000000000000000
<4>[  916.067317] RDX: 0000000000000000 RSI: 0000000003d152f2 RDI: 0000000000000000
<4>[  916.067318] RBP: ffffc90004807208 R08: 000000000027f6f1 R09: 0000000000000001
<4>[  916.067320] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50f
<4>[  916.067321] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f1003
<4>[  916.067323] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.067325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.067326] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.067328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.067329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.067331] Call Trace:
<4>[  916.067332]  <TASK>
<4>[  916.067334]  ? show_regs+0x6c/0x80
<4>[  916.067337]  ? __warn+0x93/0x1c0
<4>[  916.067340]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.067344]  ? report_bug+0x182/0x1b0
<4>[  916.067349]  ? handle_bug+0x6e/0xb0
<4>[  916.067352]  ? exc_invalid_op+0x18/0x80
<4>[  916.067355]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.067364]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.067368]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.067371]  ? mark_held_locks+0x46/0x90
<4>[  916.067382]  __iommu_map+0x119/0x2c0
<4>[  916.067391]  iommu_map_sg+0xbf/0x210
<4>[  916.067398]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.067408]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.069645]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.069721] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.069877] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.069881] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.069883] RAX: 0000000000000000 RBX: ffff888113765798 RCX: 0000000000000000
<4>[  916.069885] RDX: 0000000000000000 RSI: 0000000003d152f3 RDI: 0000000000000000
<4>[  916.069886] RBP: ffffc90004807208 R08: 000000000027f6f2 R09: 0000000000000001
<4>[  916.069888] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50e
<4>[  916.069889] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f2003
<4>[  916.069891] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.069892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.069894] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.069895] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.069897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.069898] Call Trace:
<4>[  916.069899]  <TASK>
<4>[  916.069901]  ? show_regs+0x6c/0x80
<4>[  916.069905]  ? __warn+0x93/0x1c0
<4>[  916.069908]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.069912]  ? report_bug+0x182/0x1b0
<4>[  916.069917]  ? handle_bug+0x6e/0xb0
<4>[  916.069919]  ? exc_invalid_op+0x18/0x80
<4>[  916.069922]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.069932]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.069935]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.069938]  ? mark_held_locks+0x46/0x90
<4>[  916.069949]  __iommu_map+0x119/0x2c0
<4>[  916.069958]  iommu_map_sg+0xbf/0x210
<4>[  916.069965]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.069981]  dma_map_sgtable+0x1d/0x40
<4>[  916.072215]  x64_sys_call+0x131e/0x2650
<4>[  916.072286] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.072441] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.072445] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.072447] RAX: 0000000000000000 RBX: ffff8881137657a0 RCX: 0000000000000000
<4>[  916.072449] RDX: 0000000000000000 RSI: 0000000003d152f4 RDI: 0000000000000000
<4>[  916.072450] RBP: ffffc90004807208 R08: 000000000027f6f3 R09: 0000000000000001
<4>[  916.072452] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50d
<4>[  916.072453] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f3003
<4>[  916.072455] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.072457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.072458] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.072460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.072461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.072463] Call Trace:
<4>[  916.072464]  <TASK>
<4>[  916.072466]  ? show_regs+0x6c/0x80
<4>[  916.072469]  ? __warn+0x93/0x1c0
<4>[  916.072472]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.072476]  ? report_bug+0x182/0x1b0
<4>[  916.072481]  ? handle_bug+0x6e/0xb0
<4>[  916.072484]  ? exc_invalid_op+0x18/0x80
<4>[  916.072487]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.072496]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.072499]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.072502]  ? mark_held_locks+0x46/0x90
<4>[  916.072513]  __iommu_map+0x119/0x2c0
<4>[  916.072522]  iommu_map_sg+0xbf/0x210
<4>[  916.072529]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.072539]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.074782]  x64_sys_call+0x131e/0x2650
<4>[  916.074853] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.075011] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.075017] RDX: 0000000000000000 RSI: 0000000003d152f5 RDI: 0000000000000000
<4>[  916.075018] RBP: ffffc90004807208 R08: 000000000027f6f4 R09: 0000000000000001
<4>[  916.075019] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50c
<4>[  916.075021] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f4003
<4>[  916.075023] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.075024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.075026] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.075027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.075029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.075030] Call Trace:
<4>[  916.075031]  <TASK>
<4>[  916.075033]  ? show_regs+0x6c/0x80
<4>[  916.075037]  ? __warn+0x93/0x1c0
<4>[  916.075040]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.075044]  ? report_bug+0x182/0x1b0
<4>[  916.075049]  ? handle_bug+0x6e/0xb0
<4>[  916.075052]  ? exc_invalid_op+0x18/0x80
<4>[  916.075055]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.075064]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.075067]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.075070]  ? mark_held_locks+0x46/0x90
<4>[  916.075081]  __iommu_map+0x119/0x2c0
<4>[  916.075090]  iommu_map_sg+0xbf/0x210
<4>[  916.075426]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.077402]  ? clear_bhb_loop+0x15/0x70
<4>[  916.077434]  </TASK>
<4>[  916.077441] softirqs last  enabled at (253024650): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.077574] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.077577] RAX: 0000000000000000 RBX: ffff8881137657b0 RCX: 0000000000000000
<4>[  916.077578] RDX: 0000000000000000 RSI: 0000000003d152f6 RDI: 0000000000000000
<4>[  916.077580] RBP: ffffc90004807208 R08: 000000000027f6f5 R09: 0000000000000001
<4>[  916.077581] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50b
<4>[  916.077583] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f5003
<4>[  916.077584] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.077586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.077587] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.077594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.077595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.077597] Call Trace:
<4>[  916.077598]  <TASK>
<4>[  916.077600]  ? show_regs+0x6c/0x80
<4>[  916.077603]  ? __warn+0x93/0x1c0
<4>[  916.077607]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.077610]  ? report_bug+0x182/0x1b0
<4>[  916.077616]  ? handle_bug+0x6e/0xb0
<4>[  916.077618]  ? exc_invalid_op+0x18/0x80
<4>[  916.077621]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.077630]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.077633]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.077636]  ? mark_held_locks+0x46/0x90
<4>[  916.077648]  __iommu_map+0x119/0x2c0
<4>[  916.077657]  iommu_map_sg+0xbf/0x210
<4>[  916.077664]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.077683]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.079967]  ? clear_bhb_loop+0x15/0x70
<4>[  916.079999]  </TASK>
<4>[  916.080006] softirqs last  enabled at (253029490): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.080140] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.080142] RAX: 0000000000000000 RBX: ffff8881137657b8 RCX: 0000000000000000
<4>[  916.080144] RDX: 0000000000000000 RSI: 0000000003d152f7 RDI: 0000000000000000
<4>[  916.080145] RBP: ffffc90004807208 R08: 000000000027f6f6 R09: 0000000000000001
<4>[  916.080147] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de50a
<4>[  916.080148] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f6003
<4>[  916.080150] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.080151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.080153] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.080154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.080156] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.080157] Call Trace:
<4>[  916.080159]  <TASK>
<4>[  916.080160]  ? show_regs+0x6c/0x80
<4>[  916.080164]  ? __warn+0x93/0x1c0
<4>[  916.080167]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.080171]  ? report_bug+0x182/0x1b0
<4>[  916.080176]  ? handle_bug+0x6e/0xb0
<4>[  916.080179]  ? exc_invalid_op+0x18/0x80
<4>[  916.080182]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.080191]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.080194]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.080197]  ? mark_held_locks+0x46/0x90
<4>[  916.080208]  __iommu_map+0x119/0x2c0
<4>[  916.080217]  iommu_map_sg+0xbf/0x210
<4>[  916.080224]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.080234]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.082474]  x64_sys_call+0x131e/0x2650
<4>[  916.082544] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.082706] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.082710] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.082712] RAX: 0000000000000000 RBX: ffff8881137657c0 RCX: 0000000000000000
<4>[  916.082714] RDX: 0000000000000000 RSI: 0000000003d152f8 RDI: 0000000000000000
<4>[  916.082715] RBP: ffffc90004807208 R08: 000000000027f6f7 R09: 0000000000000001
<4>[  916.082717] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de509
<4>[  916.082718] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f7003
<4>[  916.082720] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.082722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.082723] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.082725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.082726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.082728] Call Trace:
<4>[  916.082729]  <TASK>
<4>[  916.082731]  ? show_regs+0x6c/0x80
<4>[  916.082734]  ? __warn+0x93/0x1c0
<4>[  916.082738]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.082741]  ? report_bug+0x182/0x1b0
<4>[  916.082747]  ? handle_bug+0x6e/0xb0
<4>[  916.082749]  ? exc_invalid_op+0x18/0x80
<4>[  916.082752]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.082761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.082765]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.082768]  ? mark_held_locks+0x46/0x90
<4>[  916.082779]  __iommu_map+0x119/0x2c0
<4>[  916.082788]  iommu_map_sg+0xbf/0x210
<4>[  916.082796]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.082815]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.085099]  ? clear_bhb_loop+0x15/0x70
<4>[  916.085131]  </TASK>
<4>[  916.085138] softirqs last  enabled at (253037482): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.085271] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.085274] RAX: 0000000000000000 RBX: ffff8881137657c8 RCX: 0000000000000000
<4>[  916.085275] RDX: 0000000000000000 RSI: 0000000003d152f9 RDI: 0000000000000000
<4>[  916.085277] RBP: ffffc90004807208 R08: 000000000027f6f8 R09: 0000000000000001
<4>[  916.085278] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de508
<4>[  916.085280] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f8003
<4>[  916.085281] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.085283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.085284] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.085286] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.085287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.085289] Call Trace:
<4>[  916.085290]  <TASK>
<4>[  916.085292]  ? show_regs+0x6c/0x80
<4>[  916.085296]  ? __warn+0x93/0x1c0
<4>[  916.085299]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.085303]  ? report_bug+0x182/0x1b0
<4>[  916.085308]  ? handle_bug+0x6e/0xb0
<4>[  916.085310]  ? exc_invalid_op+0x18/0x80
<4>[  916.085313]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.085322]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.085326]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.085329]  ? mark_held_locks+0x46/0x90
<4>[  916.085340]  __iommu_map+0x119/0x2c0
<4>[  916.085349]  iommu_map_sg+0xbf/0x210
<4>[  916.085356]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.085366]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.087584]  ? __mutex_unlock_slowpath+0x41/0x2f0
<4>[  916.087678] RDX: 00007fff2a23f5a0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  916.087831] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.087837] RDX: 0000000000000000 RSI: 0000000003d152fa RDI: 0000000000000000
<4>[  916.087838] RBP: ffffc90004807208 R08: 000000000027f6f9 R09: 0000000000000001
<4>[  916.087840] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de507
<4>[  916.087841] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6f9003
<4>[  916.087843] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.087845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.087846] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.087848] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.087849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.087851] Call Trace:
<4>[  916.087852]  <TASK>
<4>[  916.087854]  ? show_regs+0x6c/0x80
<4>[  916.087857]  ? __warn+0x93/0x1c0
<4>[  916.087860]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.087864]  ? report_bug+0x182/0x1b0
<4>[  916.087869]  ? handle_bug+0x6e/0xb0
<4>[  916.087872]  ? exc_invalid_op+0x18/0x80
<4>[  916.087875]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.087884]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.087887]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.087890]  ? mark_held_locks+0x46/0x90
<4>[  916.087901]  __iommu_map+0x119/0x2c0
<4>[  916.087910]  iommu_map_sg+0xbf/0x210
<4>[  916.088556]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  916.090234] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.090391] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.090397] RDX: 0000000000000000 RSI: 0000000003d152fb RDI: 0000000000000000
<4>[  916.090398] RBP: ffffc90004807208 R08: 000000000027f6fa R09: 0000000000000001
<4>[  916.090399] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de506
<4>[  916.090401] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6fa003
<4>[  916.090403] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.090404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.090406] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.090407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.090409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.090410] Call Trace:
<4>[  916.090411]  <TASK>
<4>[  916.090413]  ? show_regs+0x6c/0x80
<4>[  916.090417]  ? __warn+0x93/0x1c0
<4>[  916.090420]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.090424]  ? report_bug+0x182/0x1b0
<4>[  916.090429]  ? handle_bug+0x6e/0xb0
<4>[  916.090431]  ? exc_invalid_op+0x18/0x80
<4>[  916.090434]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.090444]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.090447]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.090450]  ? mark_held_locks+0x46/0x90
<4>[  916.090461]  __iommu_map+0x119/0x2c0
<4>[  916.090470]  iommu_map_sg+0xbf/0x210
<4>[  916.090809]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.092784]  ? clear_bhb_loop+0x15/0x70
<4>[  916.092817]  </TASK>
<4>[  916.092824] softirqs last  enabled at (253049660): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.092957] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.092959] RAX: 0000000000000000 RBX: ffff8881137657e0 RCX: 0000000000000000
<4>[  916.092961] RDX: 0000000000000000 RSI: 0000000003d152fc RDI: 0000000000000000
<4>[  916.092962] RBP: ffffc90004807208 R08: 000000000027f6fb R09: 0000000000000001
<4>[  916.092964] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de505
<4>[  916.092965] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6fb003
<4>[  916.092967] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.092969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.092970] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.092972] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.092973] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.092975] Call Trace:
<4>[  916.092976]  <TASK>
<4>[  916.092978]  ? show_regs+0x6c/0x80
<4>[  916.092981]  ? __warn+0x93/0x1c0
<4>[  916.092984]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.092988]  ? report_bug+0x182/0x1b0
<4>[  916.092993]  ? handle_bug+0x6e/0xb0
<4>[  916.092996]  ? exc_invalid_op+0x18/0x80
<4>[  916.092999]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.093008]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.093011]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.093014]  ? mark_held_locks+0x46/0x90
<4>[  916.093025]  __iommu_map+0x119/0x2c0
<4>[  916.093034]  iommu_map_sg+0xbf/0x210
<4>[  916.093042]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.093052]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.095287]  x64_sys_call+0x131e/0x2650
<4>[  916.095358] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.095513] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.095516] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.095519] RAX: 0000000000000000 RBX: ffff8881137657e8 RCX: 0000000000000000
<4>[  916.095520] RDX: 0000000000000000 RSI: 0000000003d152fd RDI: 0000000000000000
<4>[  916.095522] RBP: ffffc90004807208 R08: 000000000027f6fc R09: 0000000000000001
<4>[  916.095523] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de504
<4>[  916.095525] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6fc003
<4>[  916.095526] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.095528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.095530] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.095531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.095533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.095534] Call Trace:
<4>[  916.095535]  <TASK>
<4>[  916.095537]  ? show_regs+0x6c/0x80
<4>[  916.095540]  ? __warn+0x93/0x1c0
<4>[  916.095544]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.095547]  ? report_bug+0x182/0x1b0
<4>[  916.095553]  ? handle_bug+0x6e/0xb0
<4>[  916.095555]  ? exc_invalid_op+0x18/0x80
<4>[  916.095558]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.095567]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.095570]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.095573]  ? mark_held_locks+0x46/0x90
<4>[  916.095584]  __iommu_map+0x119/0x2c0
<4>[  916.095599]  iommu_map_sg+0xbf/0x210
<4>[  916.095606]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.095616]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.097852]  x64_sys_call+0x131e/0x2650
<4>[  916.097923] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.098080] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.098086] RDX: 0000000000000000 RSI: 0000000003d152fe RDI: 0000000000000000
<4>[  916.098087] RBP: ffffc90004807208 R08: 000000000027f6fd R09: 0000000000000001
<4>[  916.098089] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de503
<4>[  916.098090] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6fd003
<4>[  916.098092] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.098094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.098095] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.098097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.098098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.098099] Call Trace:
<4>[  916.098101]  <TASK>
<4>[  916.098102]  ? show_regs+0x6c/0x80
<4>[  916.098106]  ? __warn+0x93/0x1c0
<4>[  916.098109]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.098113]  ? report_bug+0x182/0x1b0
<4>[  916.098118]  ? handle_bug+0x6e/0xb0
<4>[  916.098121]  ? exc_invalid_op+0x18/0x80
<4>[  916.098123]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.098133]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.098136]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.098139]  ? mark_held_locks+0x46/0x90
<4>[  916.098150]  __iommu_map+0x119/0x2c0
<4>[  916.098159]  iommu_map_sg+0xbf/0x210
<4>[  916.098495]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.100470]  ? clear_bhb_loop+0x15/0x70
<4>[  916.100502]  </TASK>
<4>[  916.100509] softirqs last  enabled at (253060774): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.100646] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.100649] RAX: 0000000000000000 RBX: ffff8881137657f8 RCX: 0000000000000000
<4>[  916.100650] RDX: 0000000000000000 RSI: 0000000003d152ff RDI: 0000000000000000
<4>[  916.100652] RBP: ffffc90004807208 R08: 000000000027f6fe R09: 0000000000000001
<4>[  916.100653] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de502
<4>[  916.100655] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6fe003
<4>[  916.100657] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.100658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.100660] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.100662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.100663] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.100665] Call Trace:
<4>[  916.100666]  <TASK>
<4>[  916.100668]  ? show_regs+0x6c/0x80
<4>[  916.100671]  ? __warn+0x93/0x1c0
<4>[  916.100674]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.100678]  ? report_bug+0x182/0x1b0
<4>[  916.100684]  ? handle_bug+0x6e/0xb0
<4>[  916.100686]  ? exc_invalid_op+0x18/0x80
<4>[  916.100689]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.100698]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.100702]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.100705]  ? mark_held_locks+0x46/0x90
<4>[  916.100716]  __iommu_map+0x119/0x2c0
<4>[  916.100725]  iommu_map_sg+0xbf/0x210
<4>[  916.100732]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.100751]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.103036]  ? clear_bhb_loop+0x15/0x70
<4>[  916.103069]  </TASK>
<4>[  916.103076] softirqs last  enabled at (253065578): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.103209] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.103211] RAX: 0000000000000000 RBX: ffff888113765800 RCX: 0000000000000000
<4>[  916.103212] RDX: 0000000000000000 RSI: 0000000003d15300 RDI: 0000000000000000
<4>[  916.103214] RBP: ffffc90004807208 R08: 000000000027f6ff R09: 0000000000000001
<4>[  916.103215] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de501
<4>[  916.103217] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f6ff003
<4>[  916.103218] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.103220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.103222] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.103223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.103225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.103226] Call Trace:
<4>[  916.103227]  <TASK>
<4>[  916.103229]  ? show_regs+0x6c/0x80
<4>[  916.103233]  ? __warn+0x93/0x1c0
<4>[  916.103236]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.103240]  ? report_bug+0x182/0x1b0
<4>[  916.103245]  ? handle_bug+0x6e/0xb0
<4>[  916.103247]  ? exc_invalid_op+0x18/0x80
<4>[  916.103250]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.103259]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.103263]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.103266]  ? mark_held_locks+0x46/0x90
<4>[  916.103277]  __iommu_map+0x119/0x2c0
<4>[  916.103286]  iommu_map_sg+0xbf/0x210
<4>[  916.103293]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.103303]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.105544]  x64_sys_call+0x131e/0x2650
<4>[  916.105620] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.105778] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.105781] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.105783] RAX: 0000000000000000 RBX: ffff888113765808 RCX: 0000000000000000
<4>[  916.105785] RDX: 0000000000000000 RSI: 0000000003d15301 RDI: 0000000000000000
<4>[  916.105786] RBP: ffffc90004807208 R08: 000000000027f700 R09: 0000000000000001
<4>[  916.105788] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de500
<4>[  916.105789] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f700003
<4>[  916.105791] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.105793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.105794] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.105796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.105797] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.105799] Call Trace:
<4>[  916.105800]  <TASK>
<4>[  916.105802]  ? show_regs+0x6c/0x80
<4>[  916.105805]  ? __warn+0x93/0x1c0
<4>[  916.105808]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.105812]  ? report_bug+0x182/0x1b0
<4>[  916.105817]  ? handle_bug+0x6e/0xb0
<4>[  916.105820]  ? exc_invalid_op+0x18/0x80
<4>[  916.105823]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.105832]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.105835]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.105838]  ? mark_held_locks+0x46/0x90
<4>[  916.105849]  __iommu_map+0x119/0x2c0
<4>[  916.105858]  iommu_map_sg+0xbf/0x210
<4>[  916.105866]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.106193]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.108170]  ? clear_bhb_loop+0x15/0x70
<4>[  916.108203]  </TASK>
<4>[  916.108210] softirqs last  enabled at (253073048): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.108343] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.108346] RAX: 0000000000000000 RBX: ffff888113765810 RCX: 0000000000000000
<4>[  916.108347] RDX: 0000000000000000 RSI: 0000000003d15302 RDI: 0000000000000000
<4>[  916.108349] RBP: ffffc90004807208 R08: 000000000027f701 R09: 0000000000000001
<4>[  916.108350] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ff
<4>[  916.108352] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f701003
<4>[  916.108353] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.108355] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.108357] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.108358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.108360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.108361] Call Trace:
<4>[  916.108362]  <TASK>
<4>[  916.108364]  ? show_regs+0x6c/0x80
<4>[  916.108368]  ? __warn+0x93/0x1c0
<4>[  916.108371]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.108375]  ? report_bug+0x182/0x1b0
<4>[  916.108380]  ? handle_bug+0x6e/0xb0
<4>[  916.108382]  ? exc_invalid_op+0x18/0x80
<4>[  916.108385]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.108394]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.108398]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.108401]  ? mark_held_locks+0x46/0x90
<4>[  916.108412]  __iommu_map+0x119/0x2c0
<4>[  916.108421]  iommu_map_sg+0xbf/0x210
<4>[  916.108428]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.108438]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.110689]  x64_sys_call+0x131e/0x2650
<4>[  916.110760] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.110920] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.110924] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.110926] RAX: 0000000000000000 RBX: ffff888113765818 RCX: 0000000000000000
<4>[  916.110928] RDX: 0000000000000000 RSI: 0000000003d15303 RDI: 0000000000000000
<4>[  916.110929] RBP: ffffc90004807208 R08: 000000000027f702 R09: 0000000000000001
<4>[  916.110931] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4fe
<4>[  916.110932] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f702003
<4>[  916.110934] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.110935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.110937] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.110938] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.110940] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.110941] Call Trace:
<4>[  916.110943]  <TASK>
<4>[  916.110944]  ? show_regs+0x6c/0x80
<4>[  916.110948]  ? __warn+0x93/0x1c0
<4>[  916.110951]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.110955]  ? report_bug+0x182/0x1b0
<4>[  916.110960]  ? handle_bug+0x6e/0xb0
<4>[  916.110963]  ? exc_invalid_op+0x18/0x80
<4>[  916.110966]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.110975]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.110978]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.110981]  ? mark_held_locks+0x46/0x90
<4>[  916.110992]  __iommu_map+0x119/0x2c0
<4>[  916.111001]  iommu_map_sg+0xbf/0x210
<4>[  916.111008]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.111340]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.113316]  ? clear_bhb_loop+0x15/0x70
<4>[  916.113338] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.113492] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.113494] RAX: 0000000000000000 RBX: ffff888113765820 RCX: 0000000000000000
<4>[  916.113495] RDX: 0000000000000000 RSI: 0000000003d15304 RDI: 0000000000000000
<4>[  916.113497] RBP: ffffc90004807208 R08: 000000000027f703 R09: 0000000000000001
<4>[  916.113498] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4fd
<4>[  916.113500] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f703003
<4>[  916.113501] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.113503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.113505] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.113506] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.113508] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.113509] Call Trace:
<4>[  916.113510]  <TASK>
<4>[  916.113512]  ? show_regs+0x6c/0x80
<4>[  916.113515]  ? __warn+0x93/0x1c0
<4>[  916.113519]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.113522]  ? report_bug+0x182/0x1b0
<4>[  916.113528]  ? handle_bug+0x6e/0xb0
<4>[  916.113530]  ? exc_invalid_op+0x18/0x80
<4>[  916.113533]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.113542]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.113546]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.113549]  ? mark_held_locks+0x46/0x90
<4>[  916.113560]  __iommu_map+0x119/0x2c0
<4>[  916.113569]  iommu_map_sg+0xbf/0x210
<4>[  916.113576]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.113586]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.113597]  dma_map_sgtable+0x1d/0x40
<4>[  916.114993]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.115896] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.116051] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.116054] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.116057] RAX: 0000000000000000 RBX: ffff888113765828 RCX: 0000000000000000
<4>[  916.116058] RDX: 0000000000000000 RSI: 0000000003d15305 RDI: 0000000000000000
<4>[  916.116060] RBP: ffffc90004807208 R08: 000000000027f704 R09: 0000000000000001
<4>[  916.116061] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4fc
<4>[  916.116063] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f704003
<4>[  916.116064] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.116066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.116068] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.116069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.116070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.116072] Call Trace:
<4>[  916.116073]  <TASK>
<4>[  916.116075]  ? show_regs+0x6c/0x80
<4>[  916.116078]  ? __warn+0x93/0x1c0
<4>[  916.116082]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.116085]  ? report_bug+0x182/0x1b0
<4>[  916.116091]  ? handle_bug+0x6e/0xb0
<4>[  916.116093]  ? exc_invalid_op+0x18/0x80
<4>[  916.116096]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.116105]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.116109]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.116112]  ? mark_held_locks+0x46/0x90
<4>[  916.116123]  __iommu_map+0x119/0x2c0
<4>[  916.116132]  iommu_map_sg+0xbf/0x210
<4>[  916.116139]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.116149]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.118386]  x64_sys_call+0x131e/0x2650
<4>[  916.118456] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.118619] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.118622] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.118625] RAX: 0000000000000000 RBX: ffff888113765830 RCX: 0000000000000000
<4>[  916.118626] RDX: 0000000000000000 RSI: 0000000003d15306 RDI: 0000000000000000
<4>[  916.118628] RBP: ffffc90004807208 R08: 000000000027f705 R09: 0000000000000001
<4>[  916.118629] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4fb
<4>[  916.118631] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f705003
<4>[  916.118632] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.118634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.118636] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.118637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.118639] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.118640] Call Trace:
<4>[  916.118642]  <TASK>
<4>[  916.118643]  ? show_regs+0x6c/0x80
<4>[  916.118647]  ? __warn+0x93/0x1c0
<4>[  916.118650]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.118654]  ? report_bug+0x182/0x1b0
<4>[  916.118660]  ? handle_bug+0x6e/0xb0
<4>[  916.118662]  ? exc_invalid_op+0x18/0x80
<4>[  916.118665]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.118674]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.118678]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.118681]  ? mark_held_locks+0x46/0x90
<4>[  916.118692]  __iommu_map+0x119/0x2c0
<4>[  916.118701]  iommu_map_sg+0xbf/0x210
<4>[  916.118709]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.118728]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.121014]  ? clear_bhb_loop+0x15/0x70
<4>[  916.121047]  </TASK>
<4>[  916.121054] softirqs last  enabled at (253093674): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.121188] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.121191] RAX: 0000000000000000 RBX: ffff888113765838 RCX: 0000000000000000
<4>[  916.121192] RDX: 0000000000000000 RSI: 0000000003d15307 RDI: 0000000000000000
<4>[  916.121194] RBP: ffffc90004807208 R08: 000000000027f706 R09: 0000000000000001
<4>[  916.121195] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4fa
<4>[  916.121197] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f706003
<4>[  916.121198] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.121200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.121202] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.121203] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.121205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.121206] Call Trace:
<4>[  916.121207]  <TASK>
<4>[  916.121209]  ? show_regs+0x6c/0x80
<4>[  916.121213]  ? __warn+0x93/0x1c0
<4>[  916.121216]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.121220]  ? report_bug+0x182/0x1b0
<4>[  916.121225]  ? handle_bug+0x6e/0xb0
<4>[  916.121227]  ? exc_invalid_op+0x18/0x80
<4>[  916.121230]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.121239]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.121243]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.121246]  ? mark_held_locks+0x46/0x90
<4>[  916.121257]  __iommu_map+0x119/0x2c0
<4>[  916.121266]  iommu_map_sg+0xbf/0x210
<4>[  916.121273]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.121283]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.123516]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.123595] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.123752] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.123756] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.123758] RAX: 0000000000000000 RBX: ffff888113765840 RCX: 0000000000000000
<4>[  916.123760] RDX: 0000000000000000 RSI: 0000000003d15308 RDI: 0000000000000000
<4>[  916.123761] RBP: ffffc90004807208 R08: 000000000027f707 R09: 0000000000000001
<4>[  916.123762] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f9
<4>[  916.123764] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f707003
<4>[  916.123766] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.123767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.123769] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.123770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.123772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.123773] Call Trace:
<4>[  916.123775]  <TASK>
<4>[  916.123776]  ? show_regs+0x6c/0x80
<4>[  916.123780]  ? __warn+0x93/0x1c0
<4>[  916.123783]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.123787]  ? report_bug+0x182/0x1b0
<4>[  916.123792]  ? handle_bug+0x6e/0xb0
<4>[  916.123794]  ? exc_invalid_op+0x18/0x80
<4>[  916.123797]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.123806]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.123810]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.123813]  ? mark_held_locks+0x46/0x90
<4>[  916.123824]  __iommu_map+0x119/0x2c0
<4>[  916.123833]  iommu_map_sg+0xbf/0x210
<4>[  916.123840]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.123850]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.126088]  x64_sys_call+0x131e/0x2650
<4>[  916.126158] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.126315] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.126318] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.126321] RAX: 0000000000000000 RBX: ffff888113765848 RCX: 0000000000000000
<4>[  916.126322] RDX: 0000000000000000 RSI: 0000000003d15309 RDI: 0000000000000000
<4>[  916.126324] RBP: ffffc90004807208 R08: 000000000027f708 R09: 0000000000000001
<4>[  916.126325] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f8
<4>[  916.126326] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f708003
<4>[  916.126328] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.126330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.126331] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.126333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.126334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.126336] Call Trace:
<4>[  916.126337]  <TASK>
<4>[  916.126339]  ? show_regs+0x6c/0x80
<4>[  916.126342]  ? __warn+0x93/0x1c0
<4>[  916.126345]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.126349]  ? report_bug+0x182/0x1b0
<4>[  916.126354]  ? handle_bug+0x6e/0xb0
<4>[  916.126357]  ? exc_invalid_op+0x18/0x80
<4>[  916.126360]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.126369]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.126372]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.126375]  ? mark_held_locks+0x46/0x90
<4>[  916.126386]  __iommu_map+0x119/0x2c0
<4>[  916.126396]  iommu_map_sg+0xbf/0x210
<4>[  916.126403]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.126413]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.128644]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.128720] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.128877] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.128881] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.128883] RAX: 0000000000000000 RBX: ffff888113765850 RCX: 0000000000000000
<4>[  916.128884] RDX: 0000000000000000 RSI: 0000000003d1530a RDI: 0000000000000000
<4>[  916.128886] RBP: ffffc90004807208 R08: 000000000027f709 R09: 0000000000000001
<4>[  916.128887] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f7
<4>[  916.128889] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f709003
<4>[  916.128890] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.128892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.128894] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.128895] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.128897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.128898] Call Trace:
<4>[  916.128899]  <TASK>
<4>[  916.128901]  ? show_regs+0x6c/0x80
<4>[  916.128904]  ? __warn+0x93/0x1c0
<4>[  916.128908]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.128912]  ? report_bug+0x182/0x1b0
<4>[  916.128917]  ? handle_bug+0x6e/0xb0
<4>[  916.128919]  ? exc_invalid_op+0x18/0x80
<4>[  916.128922]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.128931]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.128935]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.128938]  ? mark_held_locks+0x46/0x90
<4>[  916.128949]  __iommu_map+0x119/0x2c0
<4>[  916.128958]  iommu_map_sg+0xbf/0x210
<4>[  916.128965]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.128980]  dma_map_sgtable+0x1d/0x40
<4>[  916.131205]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.131280] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.131436] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.131440] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.131442] RAX: 0000000000000000 RBX: ffff888113765858 RCX: 0000000000000000
<4>[  916.131443] RDX: 0000000000000000 RSI: 0000000003d1530b RDI: 0000000000000000
<4>[  916.131445] RBP: ffffc90004807208 R08: 000000000027f70a R09: 0000000000000001
<4>[  916.131446] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f6
<4>[  916.131448] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70a003
<4>[  916.131449] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.131451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.131453] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.131454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.131456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.131457] Call Trace:
<4>[  916.131458]  <TASK>
<4>[  916.131460]  ? show_regs+0x6c/0x80
<4>[  916.131463]  ? __warn+0x93/0x1c0
<4>[  916.131467]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.131470]  ? report_bug+0x182/0x1b0
<4>[  916.131476]  ? handle_bug+0x6e/0xb0
<4>[  916.131478]  ? exc_invalid_op+0x18/0x80
<4>[  916.131481]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.131490]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.131494]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.131496]  ? mark_held_locks+0x46/0x90
<4>[  916.131508]  __iommu_map+0x119/0x2c0
<4>[  916.131517]  iommu_map_sg+0xbf/0x210
<4>[  916.131524]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.131534]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.133763]  ? lock_is_held_type+0xa3/0x130
<4>[  916.133845] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.134001] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.134005] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.134007] RAX: 0000000000000000 RBX: ffff888113765860 RCX: 0000000000000000
<4>[  916.134009] RDX: 0000000000000000 RSI: 0000000003d1530c RDI: 0000000000000000
<4>[  916.134010] RBP: ffffc90004807208 R08: 000000000027f70b R09: 0000000000000001
<4>[  916.134011] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f5
<4>[  916.134013] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70b003
<4>[  916.134015] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.134016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.134018] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.134019] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.134021] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.134022] Call Trace:
<4>[  916.134024]  <TASK>
<4>[  916.134025]  ? show_regs+0x6c/0x80
<4>[  916.134029]  ? __warn+0x93/0x1c0
<4>[  916.134032]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.134036]  ? report_bug+0x182/0x1b0
<4>[  916.134041]  ? handle_bug+0x6e/0xb0
<4>[  916.134043]  ? exc_invalid_op+0x18/0x80
<4>[  916.134046]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.134055]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.134059]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.134062]  ? mark_held_locks+0x46/0x90
<4>[  916.134073]  __iommu_map+0x119/0x2c0
<4>[  916.134082]  iommu_map_sg+0xbf/0x210
<4>[  916.134089]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.134261]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.136389]  ? irqentry_exit+0x77/0xb0
<4>[  916.136413] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.136563] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.136567] RAX: 0000000000000000 RBX: ffff888113765868 RCX: 0000000000000000
<4>[  916.136568] RDX: 0000000000000000 RSI: 0000000003d1530d RDI: 0000000000000000
<4>[  916.136570] RBP: ffffc90004807208 R08: 000000000027f70c R09: 0000000000000001
<4>[  916.136571] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f4
<4>[  916.136573] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70c003
<4>[  916.136574] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.136576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.136578] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.136579] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.136581] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.136582] Call Trace:
<4>[  916.136583]  <TASK>
<4>[  916.136585]  ? show_regs+0x6c/0x80
<4>[  916.136594]  ? __warn+0x93/0x1c0
<4>[  916.136598]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.136602]  ? report_bug+0x182/0x1b0
<4>[  916.136607]  ? handle_bug+0x6e/0xb0
<4>[  916.136609]  ? exc_invalid_op+0x18/0x80
<4>[  916.136612]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.136621]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.136625]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.136648]  iommu_map_sg+0xbf/0x210
<4>[  916.138401]  ? lock_release+0xd4/0x2b0
<4>[  916.138970] RIP: 0033:0x719556d24ded
<4>[  916.138994]  </TASK>
<4>[  916.139001] softirqs last  enabled at (253121810): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.139135] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.139137] RAX: 0000000000000000 RBX: ffff888113765870 RCX: 0000000000000000
<4>[  916.139138] RDX: 0000000000000000 RSI: 0000000003d1530e RDI: 0000000000000000
<4>[  916.139140] RBP: ffffc90004807208 R08: 000000000027f70d R09: 0000000000000001
<4>[  916.139141] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f3
<4>[  916.139143] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70d003
<4>[  916.139144] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.139146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.139148] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.139149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.139151] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.139152] Call Trace:
<4>[  916.139153]  <TASK>
<4>[  916.139155]  ? show_regs+0x6c/0x80
<4>[  916.139159]  ? __warn+0x93/0x1c0
<4>[  916.139162]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.139166]  ? report_bug+0x182/0x1b0
<4>[  916.139171]  ? handle_bug+0x6e/0xb0
<4>[  916.139173]  ? exc_invalid_op+0x18/0x80
<4>[  916.139176]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.139185]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.139189]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.139192]  ? mark_held_locks+0x46/0x90
<4>[  916.139203]  __iommu_map+0x119/0x2c0
<4>[  916.139212]  iommu_map_sg+0xbf/0x210
<4>[  916.139219]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.139229]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.141462]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.141538] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.141700] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.141704] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.141706] RAX: 0000000000000000 RBX: ffff888113765878 RCX: 0000000000000000
<4>[  916.141708] RDX: 0000000000000000 RSI: 0000000003d1530f RDI: 0000000000000000
<4>[  916.141709] RBP: ffffc90004807208 R08: 000000000027f70e R09: 0000000000000001
<4>[  916.141711] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f2
<4>[  916.141712] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70e003
<4>[  916.141714] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.141716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.141717] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.141719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.141720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.141722] Call Trace:
<4>[  916.141723]  <TASK>
<4>[  916.141725]  ? show_regs+0x6c/0x80
<4>[  916.141728]  ? __warn+0x93/0x1c0
<4>[  916.141731]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.141735]  ? report_bug+0x182/0x1b0
<4>[  916.141741]  ? handle_bug+0x6e/0xb0
<4>[  916.141743]  ? exc_invalid_op+0x18/0x80
<4>[  916.141746]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.141755]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.141759]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.141762]  ? mark_held_locks+0x46/0x90
<4>[  916.141773]  __iommu_map+0x119/0x2c0
<4>[  916.141782]  iommu_map_sg+0xbf/0x210
<4>[  916.141789]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.141808]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.144090]  ? irqentry_exit+0x77/0xb0
<4>[  916.144114] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.144264] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.144268] RAX: 0000000000000000 RBX: ffff888113765880 RCX: 0000000000000000
<4>[  916.144269] RDX: 0000000000000000 RSI: 0000000003d15310 RDI: 0000000000000000
<4>[  916.144270] RBP: ffffc90004807208 R08: 000000000027f70f R09: 0000000000000001
<4>[  916.144272] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f1
<4>[  916.144273] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f70f003
<4>[  916.144275] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.144277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.144278] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.144280] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.144281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.144283] Call Trace:
<4>[  916.144284]  <TASK>
<4>[  916.144286]  ? show_regs+0x6c/0x80
<4>[  916.144289]  ? __warn+0x93/0x1c0
<4>[  916.144293]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.144296]  ? report_bug+0x182/0x1b0
<4>[  916.144302]  ? handle_bug+0x6e/0xb0
<4>[  916.144304]  ? exc_invalid_op+0x18/0x80
<4>[  916.144307]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.144316]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.144320]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.144360]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.146597]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.146673] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.146831] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.146834] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.146837] RAX: 0000000000000000 RBX: ffff888113765888 RCX: 0000000000000000
<4>[  916.146838] RDX: 0000000000000000 RSI: 0000000003d15311 RDI: 0000000000000000
<4>[  916.146840] RBP: ffffc90004807208 R08: 000000000027f710 R09: 0000000000000001
<4>[  916.146841] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4f0
<4>[  916.146843] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f710003
<4>[  916.146844] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.146846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.146847] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.146849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.146850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.146852] Call Trace:
<4>[  916.146853]  <TASK>
<4>[  916.146855]  ? show_regs+0x6c/0x80
<4>[  916.146858]  ? __warn+0x93/0x1c0
<4>[  916.146862]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.146865]  ? report_bug+0x182/0x1b0
<4>[  916.146870]  ? handle_bug+0x6e/0xb0
<4>[  916.146873]  ? exc_invalid_op+0x18/0x80
<4>[  916.146876]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.146885]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.146888]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.146891]  ? mark_held_locks+0x46/0x90
<4>[  916.146902]  __iommu_map+0x119/0x2c0
<4>[  916.146912]  iommu_map_sg+0xbf/0x210
<4>[  916.146919]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.147092]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.149221]  ? irqentry_exit+0x77/0xb0
<4>[  916.149246] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.149395] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.149399] RAX: 0000000000000000 RBX: ffff888113765890 RCX: 0000000000000000
<4>[  916.149401] RDX: 0000000000000000 RSI: 0000000003d15312 RDI: 0000000000000000
<4>[  916.149402] RBP: ffffc90004807208 R08: 000000000027f711 R09: 0000000000000001
<4>[  916.149404] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ef
<4>[  916.149405] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f711003
<4>[  916.149407] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.149408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.149410] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.149411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.149413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.149414] Call Trace:
<4>[  916.149416]  <TASK>
<4>[  916.149417]  ? show_regs+0x6c/0x80
<4>[  916.149421]  ? __warn+0x93/0x1c0
<4>[  916.149424]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.149428]  ? report_bug+0x182/0x1b0
<4>[  916.149433]  ? handle_bug+0x6e/0xb0
<4>[  916.149435]  ? exc_invalid_op+0x18/0x80
<4>[  916.149438]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.149447]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.149451]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.149465]  __iommu_map+0x119/0x2c0
<4>[  916.150899]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.151802] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.151960] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.151964] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.151966] RAX: 0000000000000000 RBX: ffff888113765898 RCX: 0000000000000000
<4>[  916.151967] RDX: 0000000000000000 RSI: 0000000003d15313 RDI: 0000000000000000
<4>[  916.151969] RBP: ffffc90004807208 R08: 000000000027f712 R09: 0000000000000001
<4>[  916.151970] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ee
<4>[  916.151972] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f712003
<4>[  916.151973] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.151975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.151976] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.151978] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.151979] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.151981] Call Trace:
<4>[  916.151982]  <TASK>
<4>[  916.151984]  ? show_regs+0x6c/0x80
<4>[  916.151987]  ? __warn+0x93/0x1c0
<4>[  916.151991]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.151994]  ? report_bug+0x182/0x1b0
<4>[  916.151999]  ? handle_bug+0x6e/0xb0
<4>[  916.152002]  ? exc_invalid_op+0x18/0x80
<4>[  916.152005]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.152014]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.152017]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.152020]  ? mark_held_locks+0x46/0x90
<4>[  916.152032]  __iommu_map+0x119/0x2c0
<4>[  916.152041]  iommu_map_sg+0xbf/0x210
<4>[  916.152048]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.152067]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.154353]  ? irqentry_exit+0x77/0xb0
<4>[  916.154389]  </TASK>
<4>[  916.154396] softirqs last  enabled at (253145072): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.154530] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.154532] RAX: 0000000000000000 RBX: ffff8881137658a0 RCX: 0000000000000000
<4>[  916.154534] RDX: 0000000000000000 RSI: 0000000003d15314 RDI: 0000000000000000
<4>[  916.154535] RBP: ffffc90004807208 R08: 000000000027f713 R09: 0000000000000001
<4>[  916.154537] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ed
<4>[  916.154538] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f713003
<4>[  916.154540] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.154541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.154543] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.154545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.154546] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.154547] Call Trace:
<4>[  916.154549]  <TASK>
<4>[  916.154550]  ? show_regs+0x6c/0x80
<4>[  916.154554]  ? __warn+0x93/0x1c0
<4>[  916.154557]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.154561]  ? report_bug+0x182/0x1b0
<4>[  916.154566]  ? handle_bug+0x6e/0xb0
<4>[  916.154568]  ? exc_invalid_op+0x18/0x80
<4>[  916.154571]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.154580]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.154584]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.154587]  ? mark_held_locks+0x46/0x90
<4>[  916.154603]  __iommu_map+0x119/0x2c0
<4>[  916.154612]  iommu_map_sg+0xbf/0x210
<4>[  916.154619]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.154629]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.156860]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.156935] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.157092] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.157096] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.157098] RAX: 0000000000000000 RBX: ffff8881137658a8 RCX: 0000000000000000
<4>[  916.157100] RDX: 0000000000000000 RSI: 0000000003d15315 RDI: 0000000000000000
<4>[  916.157101] RBP: ffffc90004807208 R08: 000000000027f714 R09: 0000000000000001
<4>[  916.157103] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ec
<4>[  916.157104] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f714003
<4>[  916.157106] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.157107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.157109] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.157110] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.157112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.157113] Call Trace:
<4>[  916.157114]  <TASK>
<4>[  916.157116]  ? show_regs+0x6c/0x80
<4>[  916.157120]  ? __warn+0x93/0x1c0
<4>[  916.157123]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.157127]  ? report_bug+0x182/0x1b0
<4>[  916.157132]  ? handle_bug+0x6e/0xb0
<4>[  916.157134]  ? exc_invalid_op+0x18/0x80
<4>[  916.157137]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.157146]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.157150]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.157153]  ? mark_held_locks+0x46/0x90
<4>[  916.157164]  __iommu_map+0x119/0x2c0
<4>[  916.157173]  iommu_map_sg+0xbf/0x210
<4>[  916.157180]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.157190]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.159423]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.159498] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.159661] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.159665] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.159667] RAX: 0000000000000000 RBX: ffff8881137658b0 RCX: 0000000000000000
<4>[  916.159669] RDX: 0000000000000000 RSI: 0000000003d15316 RDI: 0000000000000000
<4>[  916.159670] RBP: ffffc90004807208 R08: 000000000027f715 R09: 0000000000000001
<4>[  916.159672] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4eb
<4>[  916.159673] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f715003
<4>[  916.159675] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.159677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.159678] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.159680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.159681] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.159683] Call Trace:
<4>[  916.159684]  <TASK>
<4>[  916.159686]  ? show_regs+0x6c/0x80
<4>[  916.159690]  ? __warn+0x93/0x1c0
<4>[  916.159693]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.159697]  ? report_bug+0x182/0x1b0
<4>[  916.159702]  ? handle_bug+0x6e/0xb0
<4>[  916.159705]  ? exc_invalid_op+0x18/0x80
<4>[  916.159707]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.159717]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.159720]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.159723]  ? mark_held_locks+0x46/0x90
<4>[  916.159734]  __iommu_map+0x119/0x2c0
<4>[  916.159743]  iommu_map_sg+0xbf/0x210
<4>[  916.159750]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.159766]  dma_map_sgtable+0x1d/0x40
<4>[  916.161993]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.162068] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.162224] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.162227] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.162230] RAX: 0000000000000000 RBX: ffff8881137658b8 RCX: 0000000000000000
<4>[  916.162231] RDX: 0000000000000000 RSI: 0000000003d15317 RDI: 0000000000000000
<4>[  916.162233] RBP: ffffc90004807208 R08: 000000000027f716 R09: 0000000000000001
<4>[  916.162234] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ea
<4>[  916.162236] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f716003
<4>[  916.162237] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.162239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.162240] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.162242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.162243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.162245] Call Trace:
<4>[  916.162246]  <TASK>
<4>[  916.162248]  ? show_regs+0x6c/0x80
<4>[  916.162251]  ? __warn+0x93/0x1c0
<4>[  916.162254]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.162258]  ? report_bug+0x182/0x1b0
<4>[  916.162263]  ? handle_bug+0x6e/0xb0
<4>[  916.162266]  ? exc_invalid_op+0x18/0x80
<4>[  916.162269]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.162278]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.162281]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.162284]  ? mark_held_locks+0x46/0x90
<4>[  916.162296]  __iommu_map+0x119/0x2c0
<4>[  916.162305]  iommu_map_sg+0xbf/0x210
<4>[  916.162312]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.162322]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.164554]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.164634] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.164791] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.164795] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.164797] RAX: 0000000000000000 RBX: ffff8881137658c0 RCX: 0000000000000000
<4>[  916.164798] RDX: 0000000000000000 RSI: 0000000003d15318 RDI: 0000000000000000
<4>[  916.164800] RBP: ffffc90004807208 R08: 000000000027f717 R09: 0000000000000001
<4>[  916.164801] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e9
<4>[  916.164803] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f717003
<4>[  916.164804] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.164806] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.164808] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.164809] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.164811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.164812] Call Trace:
<4>[  916.164813]  <TASK>
<4>[  916.164815]  ? show_regs+0x6c/0x80
<4>[  916.164819]  ? __warn+0x93/0x1c0
<4>[  916.164822]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.164826]  ? report_bug+0x182/0x1b0
<4>[  916.164831]  ? handle_bug+0x6e/0xb0
<4>[  916.164833]  ? exc_invalid_op+0x18/0x80
<4>[  916.164836]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.164846]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.164849]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.164852]  ? mark_held_locks+0x46/0x90
<4>[  916.164863]  __iommu_map+0x119/0x2c0
<4>[  916.164872]  iommu_map_sg+0xbf/0x210
<4>[  916.164879]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.164898]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.167181]  ? irqentry_exit+0x77/0xb0
<4>[  916.167216]  </TASK>
<4>[  916.167223] softirqs last  enabled at (253165200): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.167356] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.167359] RAX: 0000000000000000 RBX: ffff8881137658c8 RCX: 0000000000000000
<4>[  916.167360] RDX: 0000000000000000 RSI: 0000000003d15319 RDI: 0000000000000000
<4>[  916.167361] RBP: ffffc90004807208 R08: 000000000027f718 R09: 0000000000000001
<4>[  916.167363] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e8
<4>[  916.167364] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f718003
<4>[  916.167366] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.167368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.167369] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.167371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.167372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.167374] Call Trace:
<4>[  916.167375]  <TASK>
<4>[  916.167377]  ? show_regs+0x6c/0x80
<4>[  916.167380]  ? __warn+0x93/0x1c0
<4>[  916.167383]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.167387]  ? report_bug+0x182/0x1b0
<4>[  916.167392]  ? handle_bug+0x6e/0xb0
<4>[  916.167395]  ? exc_invalid_op+0x18/0x80
<4>[  916.167398]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.167407]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.167410]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.167413]  ? mark_held_locks+0x46/0x90
<4>[  916.167424]  __iommu_map+0x119/0x2c0
<4>[  916.167434]  iommu_map_sg+0xbf/0x210
<4>[  916.167441]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.167451]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.169680]  ? lock_is_held_type+0xa3/0x130
<4>[  916.169762] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.169919] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.169922] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.169925] RAX: 0000000000000000 RBX: ffff8881137658d0 RCX: 0000000000000000
<4>[  916.169926] RDX: 0000000000000000 RSI: 0000000003d1531a RDI: 0000000000000000
<4>[  916.169928] RBP: ffffc90004807208 R08: 000000000027f719 R09: 0000000000000001
<4>[  916.169929] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e7
<4>[  916.169931] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f719003
<4>[  916.169932] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.169934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.169935] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.169937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.169938] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.169940] Call Trace:
<4>[  916.169941]  <TASK>
<4>[  916.169943]  ? show_regs+0x6c/0x80
<4>[  916.169946]  ? __warn+0x93/0x1c0
<4>[  916.169949]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.169953]  ? report_bug+0x182/0x1b0
<4>[  916.169958]  ? handle_bug+0x6e/0xb0
<4>[  916.169961]  ? exc_invalid_op+0x18/0x80
<4>[  916.169964]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.169973]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.169976]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.169979]  ? mark_held_locks+0x46/0x90
<4>[  916.169991]  __iommu_map+0x119/0x2c0
<4>[  916.170000]  iommu_map_sg+0xbf/0x210
<4>[  916.170007]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.170025]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.172307]  ? irqentry_exit+0x77/0xb0
<4>[  916.172332] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.172481] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.172485] RAX: 0000000000000000 RBX: ffff8881137658d8 RCX: 0000000000000000
<4>[  916.172486] RDX: 0000000000000000 RSI: 0000000003d1531b RDI: 0000000000000000
<4>[  916.172488] RBP: ffffc90004807208 R08: 000000000027f71a R09: 0000000000000001
<4>[  916.172489] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e6
<4>[  916.172491] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71a003
<4>[  916.172492] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.172494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.172496] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.172497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.172498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.172500] Call Trace:
<4>[  916.172501]  <TASK>
<4>[  916.172503]  ? show_regs+0x6c/0x80
<4>[  916.172507]  ? __warn+0x93/0x1c0
<4>[  916.172510]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.172514]  ? report_bug+0x182/0x1b0
<4>[  916.172519]  ? handle_bug+0x6e/0xb0
<4>[  916.172521]  ? exc_invalid_op+0x18/0x80
<4>[  916.172524]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.172533]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.172537]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.172567]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.174810]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.174885] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.175041] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.175044] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.175047] RAX: 0000000000000000 RBX: ffff8881137658e0 RCX: 0000000000000000
<4>[  916.175048] RDX: 0000000000000000 RSI: 0000000003d1531c RDI: 0000000000000000
<4>[  916.175049] RBP: ffffc90004807208 R08: 000000000027f71b R09: 0000000000000001
<4>[  916.175051] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e5
<4>[  916.175052] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71b003
<4>[  916.175054] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.175056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.175057] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.175059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.175060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.175062] Call Trace:
<4>[  916.175063]  <TASK>
<4>[  916.175065]  ? show_regs+0x6c/0x80
<4>[  916.175068]  ? __warn+0x93/0x1c0
<4>[  916.175071]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.175075]  ? report_bug+0x182/0x1b0
<4>[  916.175080]  ? handle_bug+0x6e/0xb0
<4>[  916.175083]  ? exc_invalid_op+0x18/0x80
<4>[  916.175086]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.175095]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.175098]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.175101]  ? mark_held_locks+0x46/0x90
<4>[  916.175112]  __iommu_map+0x119/0x2c0
<4>[  916.175121]  iommu_map_sg+0xbf/0x210
<4>[  916.175128]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.175138]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.177373]  do_syscall_64+0x91/0x180
<4>[  916.177441] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.177602] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.177606] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.177608] RAX: 0000000000000000 RBX: ffff8881137658e8 RCX: 0000000000000000
<4>[  916.177610] RDX: 0000000000000000 RSI: 0000000003d1531d RDI: 0000000000000000
<4>[  916.177611] RBP: ffffc90004807208 R08: 000000000027f71c R09: 0000000000000001
<4>[  916.177613] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e4
<4>[  916.177614] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71c003
<4>[  916.177616] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.177617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.177619] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.177620] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.177622] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.177623] Call Trace:
<4>[  916.177624]  <TASK>
<4>[  916.177626]  ? show_regs+0x6c/0x80
<4>[  916.177630]  ? __warn+0x93/0x1c0
<4>[  916.177633]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.177637]  ? report_bug+0x182/0x1b0
<4>[  916.177642]  ? handle_bug+0x6e/0xb0
<4>[  916.177644]  ? exc_invalid_op+0x18/0x80
<4>[  916.177647]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.177657]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.177660]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.177663]  ? mark_held_locks+0x46/0x90
<4>[  916.177674]  __iommu_map+0x119/0x2c0
<4>[  916.177684]  iommu_map_sg+0xbf/0x210
<4>[  916.177691]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.177701]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.179932]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.180007] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.180163] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.180166] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.180169] RAX: 0000000000000000 RBX: ffff8881137658f0 RCX: 0000000000000000
<4>[  916.180170] RDX: 0000000000000000 RSI: 0000000003d1531e RDI: 0000000000000000
<4>[  916.180172] RBP: ffffc90004807208 R08: 000000000027f71d R09: 0000000000000001
<4>[  916.180173] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e3
<4>[  916.180175] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71d003
<4>[  916.180176] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.180178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.180179] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.180181] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.180182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.180184] Call Trace:
<4>[  916.180185]  <TASK>
<4>[  916.180187]  ? show_regs+0x6c/0x80
<4>[  916.180190]  ? __warn+0x93/0x1c0
<4>[  916.180193]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.180197]  ? report_bug+0x182/0x1b0
<4>[  916.180202]  ? handle_bug+0x6e/0xb0
<4>[  916.180205]  ? exc_invalid_op+0x18/0x80
<4>[  916.180208]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.180217]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.180220]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.180223]  ? mark_held_locks+0x46/0x90
<4>[  916.180234]  __iommu_map+0x119/0x2c0
<4>[  916.180244]  iommu_map_sg+0xbf/0x210
<4>[  916.180251]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.180261]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.182494]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.182569] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.182732] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.182736] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.182738] RAX: 0000000000000000 RBX: ffff8881137658f8 RCX: 0000000000000000
<4>[  916.182740] RDX: 0000000000000000 RSI: 0000000003d1531f RDI: 0000000000000000
<4>[  916.182741] RBP: ffffc90004807208 R08: 000000000027f71e R09: 0000000000000001
<4>[  916.182742] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e2
<4>[  916.182744] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71e003
<4>[  916.182745] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.182747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.182749] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.182750] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.182752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.182753] Call Trace:
<4>[  916.182754]  <TASK>
<4>[  916.182756]  ? show_regs+0x6c/0x80
<4>[  916.182760]  ? __warn+0x93/0x1c0
<4>[  916.182763]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.182767]  ? report_bug+0x182/0x1b0
<4>[  916.182772]  ? handle_bug+0x6e/0xb0
<4>[  916.182774]  ? exc_invalid_op+0x18/0x80
<4>[  916.182777]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.182787]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.182790]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.182793]  ? mark_held_locks+0x46/0x90
<4>[  916.182804]  __iommu_map+0x119/0x2c0
<4>[  916.182814]  iommu_map_sg+0xbf/0x210
<4>[  916.182821]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.182836]  dma_map_sgtable+0x1d/0x40
<4>[  916.185063]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.185138] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.185294] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.185298] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.185300] RAX: 0000000000000000 RBX: ffff888113765900 RCX: 0000000000000000
<4>[  916.185302] RDX: 0000000000000000 RSI: 0000000003d15320 RDI: 0000000000000000
<4>[  916.185303] RBP: ffffc90004807208 R08: 000000000027f71f R09: 0000000000000001
<4>[  916.185304] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e1
<4>[  916.185306] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f71f003
<4>[  916.185307] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.185309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.185311] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.185312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.185314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.185315] Call Trace:
<4>[  916.185316]  <TASK>
<4>[  916.185318]  ? show_regs+0x6c/0x80
<4>[  916.185322]  ? __warn+0x93/0x1c0
<4>[  916.185325]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.185329]  ? report_bug+0x182/0x1b0
<4>[  916.185334]  ? handle_bug+0x6e/0xb0
<4>[  916.185336]  ? exc_invalid_op+0x18/0x80
<4>[  916.185339]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.185348]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.185352]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.185355]  ? mark_held_locks+0x46/0x90
<4>[  916.185366]  __iommu_map+0x119/0x2c0
<4>[  916.185375]  iommu_map_sg+0xbf/0x210
<4>[  916.185382]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.185392]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.187630]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.187706] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.187864] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.187868] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.187870] RAX: 0000000000000000 RBX: ffff888113765908 RCX: 0000000000000000
<4>[  916.187872] RDX: 0000000000000000 RSI: 0000000003d15321 RDI: 0000000000000000
<4>[  916.187873] RBP: ffffc90004807208 R08: 000000000027f720 R09: 0000000000000001
<4>[  916.187875] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4e0
<4>[  916.187876] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f720003
<4>[  916.187878] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.187879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.187881] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.187882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.187884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.187885] Call Trace:
<4>[  916.187887]  <TASK>
<4>[  916.187888]  ? show_regs+0x6c/0x80
<4>[  916.187892]  ? __warn+0x93/0x1c0
<4>[  916.187895]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.187899]  ? report_bug+0x182/0x1b0
<4>[  916.187904]  ? handle_bug+0x6e/0xb0
<4>[  916.187907]  ? exc_invalid_op+0x18/0x80
<4>[  916.187910]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.187919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.187922]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.187925]  ? mark_held_locks+0x46/0x90
<4>[  916.187936]  __iommu_map+0x119/0x2c0
<4>[  916.187945]  iommu_map_sg+0xbf/0x210
<4>[  916.187952]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.187971]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.190254]  ? irqentry_exit+0x77/0xb0
<4>[  916.190289]  </TASK>
<4>[  916.190297] softirqs last  enabled at (253201312): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.190430] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.190433] RAX: 0000000000000000 RBX: ffff888113765910 RCX: 0000000000000000
<4>[  916.190434] RDX: 0000000000000000 RSI: 0000000003d15322 RDI: 0000000000000000
<4>[  916.190436] RBP: ffffc90004807208 R08: 000000000027f721 R09: 0000000000000001
<4>[  916.190437] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4df
<4>[  916.190439] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f721003
<4>[  916.190440] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.190442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.190443] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.190445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.190446] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.190448] Call Trace:
<4>[  916.190449]  <TASK>
<4>[  916.190451]  ? show_regs+0x6c/0x80
<4>[  916.190454]  ? __warn+0x93/0x1c0
<4>[  916.190457]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.190461]  ? report_bug+0x182/0x1b0
<4>[  916.190466]  ? handle_bug+0x6e/0xb0
<4>[  916.190469]  ? exc_invalid_op+0x18/0x80
<4>[  916.190472]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.190481]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.190484]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.190487]  ? mark_held_locks+0x46/0x90
<4>[  916.190498]  __iommu_map+0x119/0x2c0
<4>[  916.190507]  iommu_map_sg+0xbf/0x210
<4>[  916.190514]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.190524]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.192769]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.192844] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.193002] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.193006] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.193008] RAX: 0000000000000000 RBX: ffff888113765918 RCX: 0000000000000000
<4>[  916.193009] RDX: 0000000000000000 RSI: 0000000003d15323 RDI: 0000000000000000
<4>[  916.193011] RBP: ffffc90004807208 R08: 000000000027f722 R09: 0000000000000001
<4>[  916.193012] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4de
<4>[  916.193014] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f722003
<4>[  916.193015] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.193017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.193019] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.193020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.193022] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.193023] Call Trace:
<4>[  916.193024]  <TASK>
<4>[  916.193026]  ? show_regs+0x6c/0x80
<4>[  916.193030]  ? __warn+0x93/0x1c0
<4>[  916.193033]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.193037]  ? report_bug+0x182/0x1b0
<4>[  916.193042]  ? handle_bug+0x6e/0xb0
<4>[  916.193044]  ? exc_invalid_op+0x18/0x80
<4>[  916.193047]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.193056]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.193060]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.193063]  ? mark_held_locks+0x46/0x90
<4>[  916.193074]  __iommu_map+0x119/0x2c0
<4>[  916.193083]  iommu_map_sg+0xbf/0x210
<4>[  916.193090]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.193106]  dma_map_sgtable+0x1d/0x40
<4>[  916.195337]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.195413] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.195571] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.195575] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.195577] RAX: 0000000000000000 RBX: ffff888113765920 RCX: 0000000000000000
<4>[  916.195579] RDX: 0000000000000000 RSI: 0000000003d15324 RDI: 0000000000000000
<4>[  916.195580] RBP: ffffc90004807208 R08: 000000000027f723 R09: 0000000000000001
<4>[  916.195582] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4dd
<4>[  916.195583] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f723003
<4>[  916.195585] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.195592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.195593] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.195595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.195596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.195598] Call Trace:
<4>[  916.195599]  <TASK>
<4>[  916.195601]  ? show_regs+0x6c/0x80
<4>[  916.195604]  ? __warn+0x93/0x1c0
<4>[  916.195608]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.195611]  ? report_bug+0x182/0x1b0
<4>[  916.195616]  ? handle_bug+0x6e/0xb0
<4>[  916.195619]  ? exc_invalid_op+0x18/0x80
<4>[  916.195622]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.195631]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.195634]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.195637]  ? mark_held_locks+0x46/0x90
<4>[  916.195649]  __iommu_map+0x119/0x2c0
<4>[  916.195658]  iommu_map_sg+0xbf/0x210
<4>[  916.195665]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.195675]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.197904]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.197979] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.198136] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.198139] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.198142] RAX: 0000000000000000 RBX: ffff888113765928 RCX: 0000000000000000
<4>[  916.198143] RDX: 0000000000000000 RSI: 0000000003d15325 RDI: 0000000000000000
<4>[  916.198145] RBP: ffffc90004807208 R08: 000000000027f724 R09: 0000000000000001
<4>[  916.198146] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4dc
<4>[  916.198148] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f724003
<4>[  916.198149] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.198151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.198152] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.198154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.198155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.198157] Call Trace:
<4>[  916.198158]  <TASK>
<4>[  916.198160]  ? show_regs+0x6c/0x80
<4>[  916.198163]  ? __warn+0x93/0x1c0
<4>[  916.198166]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.198170]  ? report_bug+0x182/0x1b0
<4>[  916.198175]  ? handle_bug+0x6e/0xb0
<4>[  916.198178]  ? exc_invalid_op+0x18/0x80
<4>[  916.198181]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.198190]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.198193]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.198196]  ? mark_held_locks+0x46/0x90
<4>[  916.198208]  __iommu_map+0x119/0x2c0
<4>[  916.198217]  iommu_map_sg+0xbf/0x210
<4>[  916.198224]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.198234]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.200464]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.200542] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  916.200703] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.200707] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.200709] RAX: 0000000000000000 RBX: ffff888113765930 RCX: 0000000000000000
<4>[  916.200711] RDX: 0000000000000000 RSI: 0000000003d15326 RDI: 0000000000000000
<4>[  916.200712] RBP: ffffc90004807208 R08: 000000000027f725 R09: 0000000000000001
<4>[  916.200714] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4db
<4>[  916.200715] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f725003
<4>[  916.200717] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.200719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.200720] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.200722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.200723] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.200725] Call Trace:
<4>[  916.200726]  <TASK>
<4>[  916.200728]  ? show_regs+0x6c/0x80
<4>[  916.200732]  ? __warn+0x93/0x1c0
<4>[  916.200735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.200739]  ? report_bug+0x182/0x1b0
<4>[  916.200744]  ? handle_bug+0x6e/0xb0
<4>[  916.200747]  ? exc_invalid_op+0x18/0x80
<4>[  916.200749]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.200759]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.200762]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.200765]  ? mark_held_locks+0x46/0x90
<4>[  916.200776]  __iommu_map+0x119/0x2c0
<4>[  916.200785]  iommu_map_sg+0xbf/0x210
<4>[  916.200793]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.200803]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.203037]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.203113] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.203271] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.203274] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.203276] RAX: 0000000000000000 RBX: ffff888113765938 RCX: 0000000000000000
<4>[  916.203278] RDX: 0000000000000000 RSI: 0000000003d15327 RDI: 0000000000000000
<4>[  916.203279] RBP: ffffc90004807208 R08: 000000000027f726 R09: 0000000000000001
<4>[  916.203281] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4da
<4>[  916.203282] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f726003
<4>[  916.203284] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.203286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.203287] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.203289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.203290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.203292] Call Trace:
<4>[  916.203293]  <TASK>
<4>[  916.203294]  ? show_regs+0x6c/0x80
<4>[  916.203298]  ? __warn+0x93/0x1c0
<4>[  916.203301]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.203305]  ? report_bug+0x182/0x1b0
<4>[  916.203310]  ? handle_bug+0x6e/0xb0
<4>[  916.203313]  ? exc_invalid_op+0x18/0x80
<4>[  916.203316]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.203325]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.203328]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.203331]  ? mark_held_locks+0x46/0x90
<4>[  916.203342]  __iommu_map+0x119/0x2c0
<4>[  916.203351]  iommu_map_sg+0xbf/0x210
<4>[  916.203359]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.203369]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.205605]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.205680] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.205837] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.205840] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.205843] RAX: 0000000000000000 RBX: ffff888113765940 RCX: 0000000000000000
<4>[  916.205844] RDX: 0000000000000000 RSI: 0000000003d15328 RDI: 0000000000000000
<4>[  916.205845] RBP: ffffc90004807208 R08: 000000000027f727 R09: 0000000000000001
<4>[  916.205847] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d9
<4>[  916.205848] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f727003
<4>[  916.205850] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.205852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.205853] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.205855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.205856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.205858] Call Trace:
<4>[  916.205859]  <TASK>
<4>[  916.205861]  ? show_regs+0x6c/0x80
<4>[  916.205864]  ? __warn+0x93/0x1c0
<4>[  916.205868]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.205871]  ? report_bug+0x182/0x1b0
<4>[  916.205876]  ? handle_bug+0x6e/0xb0
<4>[  916.205879]  ? exc_invalid_op+0x18/0x80
<4>[  916.205882]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.205891]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.205894]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.205897]  ? mark_held_locks+0x46/0x90
<4>[  916.205908]  __iommu_map+0x119/0x2c0
<4>[  916.205918]  iommu_map_sg+0xbf/0x210
<4>[  916.205925]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.205935]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.208184]  ? lock_acquire+0xc9/0x300
<4>[  916.208239] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.208395] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.208398] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.208401] RAX: 0000000000000000 RBX: ffff888113765948 RCX: 0000000000000000
<4>[  916.208402] RDX: 0000000000000000 RSI: 0000000003d15329 RDI: 0000000000000000
<4>[  916.208404] RBP: ffffc90004807208 R08: 000000000027f728 R09: 0000000000000001
<4>[  916.208405] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d8
<4>[  916.208406] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f728003
<4>[  916.208408] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.208410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.208411] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.208413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.208414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.208416] Call Trace:
<4>[  916.208417]  <TASK>
<4>[  916.208419]  ? show_regs+0x6c/0x80
<4>[  916.208422]  ? __warn+0x93/0x1c0
<4>[  916.208425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.208429]  ? report_bug+0x182/0x1b0
<4>[  916.208434]  ? handle_bug+0x6e/0xb0
<4>[  916.208437]  ? exc_invalid_op+0x18/0x80
<4>[  916.208440]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.208449]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.208452]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.208455]  ? mark_held_locks+0x46/0x90
<4>[  916.208466]  __iommu_map+0x119/0x2c0
<4>[  916.208475]  iommu_map_sg+0xbf/0x210
<4>[  916.208482]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.208492]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.210731]  x64_sys_call+0x131e/0x2650
<4>[  916.210801] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.210958] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.210961] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.210963] RAX: 0000000000000000 RBX: ffff888113765950 RCX: 0000000000000000
<4>[  916.210965] RDX: 0000000000000000 RSI: 0000000003d1532a RDI: 0000000000000000
<4>[  916.210966] RBP: ffffc90004807208 R08: 000000000027f729 R09: 0000000000000001
<4>[  916.210968] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d7
<4>[  916.210969] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f729003
<4>[  916.210971] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.210973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.210974] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.210976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.210977] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.210978] Call Trace:
<4>[  916.210980]  <TASK>
<4>[  916.210981]  ? show_regs+0x6c/0x80
<4>[  916.210985]  ? __warn+0x93/0x1c0
<4>[  916.210988]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.210992]  ? report_bug+0x182/0x1b0
<4>[  916.210997]  ? handle_bug+0x6e/0xb0
<4>[  916.210999]  ? exc_invalid_op+0x18/0x80
<4>[  916.211002]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.211011]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.211015]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.211018]  ? mark_held_locks+0x46/0x90
<4>[  916.211029]  __iommu_map+0x119/0x2c0
<4>[  916.211038]  iommu_map_sg+0xbf/0x210
<4>[  916.211045]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.211528]  ? lock_acquire+0xc9/0x300
<4>[  916.213317]  ? lock_release+0xd4/0x2b0
<4>[  916.213365] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  916.213518] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.213522] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.213524] RAX: 0000000000000000 RBX: ffff888113765958 RCX: 0000000000000000
<4>[  916.213526] RDX: 0000000000000000 RSI: 0000000003d1532b RDI: 0000000000000000
<4>[  916.213527] RBP: ffffc90004807208 R08: 000000000027f72a R09: 0000000000000001
<4>[  916.213529] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d6
<4>[  916.213530] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72a003
<4>[  916.213532] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.213533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.213535] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.213536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.213538] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.213539] Call Trace:
<4>[  916.213540]  <TASK>
<4>[  916.213542]  ? show_regs+0x6c/0x80
<4>[  916.213546]  ? __warn+0x93/0x1c0
<4>[  916.213549]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.213553]  ? report_bug+0x182/0x1b0
<4>[  916.213558]  ? handle_bug+0x6e/0xb0
<4>[  916.213561]  ? exc_invalid_op+0x18/0x80
<4>[  916.213564]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.213573]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.213576]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.213579]  ? mark_held_locks+0x46/0x90
<4>[  916.213595]  __iommu_map+0x119/0x2c0
<4>[  916.213605]  iommu_map_sg+0xbf/0x210
<4>[  916.213612]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.213622]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.215852]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.215927] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.216083] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.216087] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.216089] RAX: 0000000000000000 RBX: ffff888113765960 RCX: 0000000000000000
<4>[  916.216090] RDX: 0000000000000000 RSI: 0000000003d1532c RDI: 0000000000000000
<4>[  916.216092] RBP: ffffc90004807208 R08: 000000000027f72b R09: 0000000000000001
<4>[  916.216093] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d5
<4>[  916.216095] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72b003
<4>[  916.216096] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.216098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.216099] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.216101] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.216102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.216104] Call Trace:
<4>[  916.216105]  <TASK>
<4>[  916.216107]  ? show_regs+0x6c/0x80
<4>[  916.216110]  ? __warn+0x93/0x1c0
<4>[  916.216113]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.216117]  ? report_bug+0x182/0x1b0
<4>[  916.216122]  ? handle_bug+0x6e/0xb0
<4>[  916.216125]  ? exc_invalid_op+0x18/0x80
<4>[  916.216128]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.216137]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.216140]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.216143]  ? mark_held_locks+0x46/0x90
<4>[  916.216154]  __iommu_map+0x119/0x2c0
<4>[  916.216164]  iommu_map_sg+0xbf/0x210
<4>[  916.216171]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.216186]  dma_map_sgtable+0x1d/0x40
<4>[  916.218411]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.218486] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.218647] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.218651] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.218653] RAX: 0000000000000000 RBX: ffff888113765968 RCX: 0000000000000000
<4>[  916.218655] RDX: 0000000000000000 RSI: 0000000003d1532d RDI: 0000000000000000
<4>[  916.218656] RBP: ffffc90004807208 R08: 000000000027f72c R09: 0000000000000001
<4>[  916.218658] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d4
<4>[  916.218659] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72c003
<4>[  916.218661] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.218662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.218664] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.218666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.218667] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.218669] Call Trace:
<4>[  916.218670]  <TASK>
<4>[  916.218672]  ? show_regs+0x6c/0x80
<4>[  916.218675]  ? __warn+0x93/0x1c0
<4>[  916.218678]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.218682]  ? report_bug+0x182/0x1b0
<4>[  916.218687]  ? handle_bug+0x6e/0xb0
<4>[  916.218690]  ? exc_invalid_op+0x18/0x80
<4>[  916.218693]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.218702]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.218706]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.218709]  ? mark_held_locks+0x46/0x90
<4>[  916.218720]  __iommu_map+0x119/0x2c0
<4>[  916.218729]  iommu_map_sg+0xbf/0x210
<4>[  916.218736]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.218746]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.220982]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.221057] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.221214] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.221217] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.221220] RAX: 0000000000000000 RBX: ffff888113765970 RCX: 0000000000000000
<4>[  916.221221] RDX: 0000000000000000 RSI: 0000000003d1532e RDI: 0000000000000000
<4>[  916.221223] RBP: ffffc90004807208 R08: 000000000027f72d R09: 0000000000000001
<4>[  916.221224] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d3
<4>[  916.221226] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72d003
<4>[  916.221227] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.221229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.221230] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.221232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.221233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.221235] Call Trace:
<4>[  916.221236]  <TASK>
<4>[  916.221238]  ? show_regs+0x6c/0x80
<4>[  916.221241]  ? __warn+0x93/0x1c0
<4>[  916.221245]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.221248]  ? report_bug+0x182/0x1b0
<4>[  916.221254]  ? handle_bug+0x6e/0xb0
<4>[  916.221256]  ? exc_invalid_op+0x18/0x80
<4>[  916.221259]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.221268]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.221271]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.221274]  ? mark_held_locks+0x46/0x90
<4>[  916.221286]  __iommu_map+0x119/0x2c0
<4>[  916.221295]  iommu_map_sg+0xbf/0x210
<4>[  916.221302]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.221312]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.223544]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.223625] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.223782] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.223785] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.223788] RAX: 0000000000000000 RBX: ffff888113765978 RCX: 0000000000000000
<4>[  916.223789] RDX: 0000000000000000 RSI: 0000000003d1532f RDI: 0000000000000000
<4>[  916.223791] RBP: ffffc90004807208 R08: 000000000027f72e R09: 0000000000000001
<4>[  916.223792] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d2
<4>[  916.223794] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72e003
<4>[  916.223795] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.223797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.223799] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.223800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.223802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.223803] Call Trace:
<4>[  916.223804]  <TASK>
<4>[  916.223806]  ? show_regs+0x6c/0x80
<4>[  916.223810]  ? __warn+0x93/0x1c0
<4>[  916.223813]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.223817]  ? report_bug+0x182/0x1b0
<4>[  916.223822]  ? handle_bug+0x6e/0xb0
<4>[  916.223824]  ? exc_invalid_op+0x18/0x80
<4>[  916.223827]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.223836]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.223840]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.223843]  ? mark_held_locks+0x46/0x90
<4>[  916.223854]  __iommu_map+0x119/0x2c0
<4>[  916.223863]  iommu_map_sg+0xbf/0x210
<4>[  916.223870]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.223880]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.226109]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.226183] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.226339] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.226343] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.226345] RAX: 0000000000000000 RBX: ffff888113765980 RCX: 0000000000000000
<4>[  916.226347] RDX: 0000000000000000 RSI: 0000000003d15330 RDI: 0000000000000000
<4>[  916.226348] RBP: ffffc90004807208 R08: 000000000027f72f R09: 0000000000000001
<4>[  916.226350] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d1
<4>[  916.226351] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f72f003
<4>[  916.226353] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.226354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.226356] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.226358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.226359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.226360] Call Trace:
<4>[  916.226362]  <TASK>
<4>[  916.226363]  ? show_regs+0x6c/0x80
<4>[  916.226367]  ? __warn+0x93/0x1c0
<4>[  916.226370]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.226374]  ? report_bug+0x182/0x1b0
<4>[  916.226379]  ? handle_bug+0x6e/0xb0
<4>[  916.226381]  ? exc_invalid_op+0x18/0x80
<4>[  916.226384]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.226394]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.226397]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.226400]  ? mark_held_locks+0x46/0x90
<4>[  916.226411]  __iommu_map+0x119/0x2c0
<4>[  916.226420]  iommu_map_sg+0xbf/0x210
<4>[  916.226427]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.226437]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.228674]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.228750] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.228908] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.228911] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.228914] RAX: 0000000000000000 RBX: ffff888113765988 RCX: 0000000000000000
<4>[  916.228915] RDX: 0000000000000000 RSI: 0000000003d15331 RDI: 0000000000000000
<4>[  916.228917] RBP: ffffc90004807208 R08: 000000000027f730 R09: 0000000000000001
<4>[  916.228918] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4d0
<4>[  916.228920] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f730003
<4>[  916.228921] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.228923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.228924] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.228926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.228927] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.228929] Call Trace:
<4>[  916.228930]  <TASK>
<4>[  916.228932]  ? show_regs+0x6c/0x80
<4>[  916.228935]  ? __warn+0x93/0x1c0
<4>[  916.228938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.228942]  ? report_bug+0x182/0x1b0
<4>[  916.228947]  ? handle_bug+0x6e/0xb0
<4>[  916.228950]  ? exc_invalid_op+0x18/0x80
<4>[  916.228953]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.228962]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.228965]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.228968]  ? mark_held_locks+0x46/0x90
<4>[  916.228979]  __iommu_map+0x119/0x2c0
<4>[  916.228988]  iommu_map_sg+0xbf/0x210
<4>[  916.228995]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.229005]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.231237]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.231313] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.231470] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.231473] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.231476] RAX: 0000000000000000 RBX: ffff888113765990 RCX: 0000000000000000
<4>[  916.231477] RDX: 0000000000000000 RSI: 0000000003d15332 RDI: 0000000000000000
<4>[  916.231479] RBP: ffffc90004807208 R08: 000000000027f731 R09: 0000000000000001
<4>[  916.231480] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4cf
<4>[  916.231482] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f731003
<4>[  916.231483] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.231485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.231487] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.231488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.231489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.231491] Call Trace:
<4>[  916.231492]  <TASK>
<4>[  916.231494]  ? show_regs+0x6c/0x80
<4>[  916.231497]  ? __warn+0x93/0x1c0
<4>[  916.231501]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.231504]  ? report_bug+0x182/0x1b0
<4>[  916.231509]  ? handle_bug+0x6e/0xb0
<4>[  916.231512]  ? exc_invalid_op+0x18/0x80
<4>[  916.231515]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.231524]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.231528]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.231531]  ? mark_held_locks+0x46/0x90
<4>[  916.231542]  __iommu_map+0x119/0x2c0
<4>[  916.231551]  iommu_map_sg+0xbf/0x210
<4>[  916.231558]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.231568]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.233806]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.233882] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.234038] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.234041] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.234044] RAX: 0000000000000000 RBX: ffff888113765998 RCX: 0000000000000000
<4>[  916.234045] RDX: 0000000000000000 RSI: 0000000003d15333 RDI: 0000000000000000
<4>[  916.234047] RBP: ffffc90004807208 R08: 000000000027f732 R09: 0000000000000001
<4>[  916.234048] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ce
<4>[  916.234050] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f732003
<4>[  916.234051] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.234053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.234055] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.234056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.234058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.234059] Call Trace:
<4>[  916.234060]  <TASK>
<4>[  916.234062]  ? show_regs+0x6c/0x80
<4>[  916.234065]  ? __warn+0x93/0x1c0
<4>[  916.234069]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.234072]  ? report_bug+0x182/0x1b0
<4>[  916.234078]  ? handle_bug+0x6e/0xb0
<4>[  916.234080]  ? exc_invalid_op+0x18/0x80
<4>[  916.234083]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.234092]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.234096]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.234099]  ? mark_held_locks+0x46/0x90
<4>[  916.234110]  __iommu_map+0x119/0x2c0
<4>[  916.234119]  iommu_map_sg+0xbf/0x210
<4>[  916.234126]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.234136]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.236368]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.236444] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.236606] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.236609] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.236612] RAX: 0000000000000000 RBX: ffff8881137659a0 RCX: 0000000000000000
<4>[  916.236613] RDX: 0000000000000000 RSI: 0000000003d15334 RDI: 0000000000000000
<4>[  916.236614] RBP: ffffc90004807208 R08: 000000000027f733 R09: 0000000000000001
<4>[  916.236616] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4cd
<4>[  916.236617] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f733003
<4>[  916.236619] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.236621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.236622] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.236624] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.236625] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.236627] Call Trace:
<4>[  916.236628]  <TASK>
<4>[  916.236630]  ? show_regs+0x6c/0x80
<4>[  916.236633]  ? __warn+0x93/0x1c0
<4>[  916.236636]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.236640]  ? report_bug+0x182/0x1b0
<4>[  916.236645]  ? handle_bug+0x6e/0xb0
<4>[  916.236648]  ? exc_invalid_op+0x18/0x80
<4>[  916.236651]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.236660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.236664]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.236667]  ? mark_held_locks+0x46/0x90
<4>[  916.236678]  __iommu_map+0x119/0x2c0
<4>[  916.236687]  iommu_map_sg+0xbf/0x210
<4>[  916.236694]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.236704]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.238937]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.239012] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.239169] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.239172] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.239175] RAX: 0000000000000000 RBX: ffff8881137659a8 RCX: 0000000000000000
<4>[  916.239176] RDX: 0000000000000000 RSI: 0000000003d15335 RDI: 0000000000000000
<4>[  916.239178] RBP: ffffc90004807208 R08: 000000000027f734 R09: 0000000000000001
<4>[  916.239179] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4cc
<4>[  916.239181] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f734003
<4>[  916.239182] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.239184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.239185] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.239187] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.239188] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.239190] Call Trace:
<4>[  916.239191]  <TASK>
<4>[  916.239193]  ? show_regs+0x6c/0x80
<4>[  916.239196]  ? __warn+0x93/0x1c0
<4>[  916.239200]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.239203]  ? report_bug+0x182/0x1b0
<4>[  916.239209]  ? handle_bug+0x6e/0xb0
<4>[  916.239211]  ? exc_invalid_op+0x18/0x80
<4>[  916.239214]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.239223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.239227]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.239230]  ? mark_held_locks+0x46/0x90
<4>[  916.239241]  __iommu_map+0x119/0x2c0
<4>[  916.239250]  iommu_map_sg+0xbf/0x210
<4>[  916.239257]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.239276]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.241558]  ? irqentry_exit+0x77/0xb0
<4>[  916.241598]  </TASK>
<4>[  916.241605] softirqs last  enabled at (253283262): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.241740] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.241742] RAX: 0000000000000000 RBX: ffff8881137659b0 RCX: 0000000000000000
<4>[  916.241744] RDX: 0000000000000000 RSI: 0000000003d15336 RDI: 0000000000000000
<4>[  916.241745] RBP: ffffc90004807208 R08: 000000000027f735 R09: 0000000000000001
<4>[  916.241747] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4cb
<4>[  916.241748] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f735003
<4>[  916.241750] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.241752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.241753] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.241755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.241756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.241758] Call Trace:
<4>[  916.241759]  <TASK>
<4>[  916.241761]  ? show_regs+0x6c/0x80
<4>[  916.241764]  ? __warn+0x93/0x1c0
<4>[  916.241767]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.241771]  ? report_bug+0x182/0x1b0
<4>[  916.241776]  ? handle_bug+0x6e/0xb0
<4>[  916.241779]  ? exc_invalid_op+0x18/0x80
<4>[  916.241782]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.241791]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.241794]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.241797]  ? mark_held_locks+0x46/0x90
<4>[  916.241808]  __iommu_map+0x119/0x2c0
<4>[  916.241818]  iommu_map_sg+0xbf/0x210
<4>[  916.241825]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.241835]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.244069]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.244143] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.244299] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.244303] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.244305] RAX: 0000000000000000 RBX: ffff8881137659b8 RCX: 0000000000000000
<4>[  916.244307] RDX: 0000000000000000 RSI: 0000000003d15337 RDI: 0000000000000000
<4>[  916.244308] RBP: ffffc90004807208 R08: 000000000027f736 R09: 0000000000000001
<4>[  916.244310] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ca
<4>[  916.244311] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f736003
<4>[  916.244313] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.244314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.244316] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.244317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.244319] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.244320] Call Trace:
<4>[  916.244322]  <TASK>
<4>[  916.244323]  ? show_regs+0x6c/0x80
<4>[  916.244327]  ? __warn+0x93/0x1c0
<4>[  916.244330]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.244334]  ? report_bug+0x182/0x1b0
<4>[  916.244339]  ? handle_bug+0x6e/0xb0
<4>[  916.244341]  ? exc_invalid_op+0x18/0x80
<4>[  916.244344]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.244354]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.244357]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.244360]  ? mark_held_locks+0x46/0x90
<4>[  916.244371]  __iommu_map+0x119/0x2c0
<4>[  916.244380]  iommu_map_sg+0xbf/0x210
<4>[  916.244387]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.244397]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.246632]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.246707] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.246864] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.246867] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.246870] RAX: 0000000000000000 RBX: ffff8881137659c0 RCX: 0000000000000000
<4>[  916.246871] RDX: 0000000000000000 RSI: 0000000003d15338 RDI: 0000000000000000
<4>[  916.246872] RBP: ffffc90004807208 R08: 000000000027f737 R09: 0000000000000001
<4>[  916.246874] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c9
<4>[  916.246875] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f737003
<4>[  916.246877] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.246879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.246880] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.246882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.246883] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.246885] Call Trace:
<4>[  916.246886]  <TASK>
<4>[  916.246888]  ? show_regs+0x6c/0x80
<4>[  916.246891]  ? __warn+0x93/0x1c0
<4>[  916.246894]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.246898]  ? report_bug+0x182/0x1b0
<4>[  916.246903]  ? handle_bug+0x6e/0xb0
<4>[  916.246906]  ? exc_invalid_op+0x18/0x80
<4>[  916.246909]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.246918]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.246921]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.246924]  ? mark_held_locks+0x46/0x90
<4>[  916.246935]  __iommu_map+0x119/0x2c0
<4>[  916.246944]  iommu_map_sg+0xbf/0x210
<4>[  916.246952]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.246971]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.249255]  ? clear_bhb_loop+0x15/0x70
<4>[  916.249287]  </TASK>
<4>[  916.249295] softirqs last  enabled at (253293646): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.249427] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.249430] RAX: 0000000000000000 RBX: ffff8881137659c8 RCX: 0000000000000000
<4>[  916.249431] RDX: 0000000000000000 RSI: 0000000003d15339 RDI: 0000000000000000
<4>[  916.249433] RBP: ffffc90004807208 R08: 000000000027f738 R09: 0000000000000001
<4>[  916.249434] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c8
<4>[  916.249435] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f738003
<4>[  916.249437] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.249439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.249440] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.249442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.249443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.249445] Call Trace:
<4>[  916.249446]  <TASK>
<4>[  916.249448]  ? show_regs+0x6c/0x80
<4>[  916.249451]  ? __warn+0x93/0x1c0
<4>[  916.249454]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.249458]  ? report_bug+0x182/0x1b0
<4>[  916.249463]  ? handle_bug+0x6e/0xb0
<4>[  916.249466]  ? exc_invalid_op+0x18/0x80
<4>[  916.249469]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.249478]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.249481]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.249484]  ? mark_held_locks+0x46/0x90
<4>[  916.249496]  __iommu_map+0x119/0x2c0
<4>[  916.249505]  iommu_map_sg+0xbf/0x210
<4>[  916.249512]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.249522]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.251758]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.251833] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.251989] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.251993] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.251995] RAX: 0000000000000000 RBX: ffff8881137659d0 RCX: 0000000000000000
<4>[  916.251996] RDX: 0000000000000000 RSI: 0000000003d1533a RDI: 0000000000000000
<4>[  916.251998] RBP: ffffc90004807208 R08: 000000000027f739 R09: 0000000000000001
<4>[  916.251999] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c7
<4>[  916.252001] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f739003
<4>[  916.252002] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.252004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.252006] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.252007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.252008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.252010] Call Trace:
<4>[  916.252011]  <TASK>
<4>[  916.252013]  ? show_regs+0x6c/0x80
<4>[  916.252016]  ? __warn+0x93/0x1c0
<4>[  916.252020]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.252023]  ? report_bug+0x182/0x1b0
<4>[  916.252029]  ? handle_bug+0x6e/0xb0
<4>[  916.252031]  ? exc_invalid_op+0x18/0x80
<4>[  916.252034]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.252043]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.252047]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.252050]  ? mark_held_locks+0x46/0x90
<4>[  916.252061]  __iommu_map+0x119/0x2c0
<4>[  916.252070]  iommu_map_sg+0xbf/0x210
<4>[  916.252077]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.252249]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.254376]  ? irqentry_exit+0x77/0xb0
<4>[  916.254399] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.254550] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.254554] RAX: 0000000000000000 RBX: ffff8881137659d8 RCX: 0000000000000000
<4>[  916.254555] RDX: 0000000000000000 RSI: 0000000003d1533b RDI: 0000000000000000
<4>[  916.254557] RBP: ffffc90004807208 R08: 000000000027f73a R09: 0000000000000001
<4>[  916.254558] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c6
<4>[  916.254560] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73a003
<4>[  916.254561] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.254563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.254564] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.254566] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.254567] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.254569] Call Trace:
<4>[  916.254570]  <TASK>
<4>[  916.254572]  ? show_regs+0x6c/0x80
<4>[  916.254576]  ? __warn+0x93/0x1c0
<4>[  916.254579]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.254583]  ? report_bug+0x182/0x1b0
<4>[  916.254593]  ? handle_bug+0x6e/0xb0
<4>[  916.254595]  ? exc_invalid_op+0x18/0x80
<4>[  916.254598]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.254607]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.254611]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.254625]  __iommu_map+0x119/0x2c0
<4>[  916.256054]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.256958] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.257115] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.257118] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.257121] RAX: 0000000000000000 RBX: ffff8881137659e0 RCX: 0000000000000000
<4>[  916.257122] RDX: 0000000000000000 RSI: 0000000003d1533c RDI: 0000000000000000
<4>[  916.257124] RBP: ffffc90004807208 R08: 000000000027f73b R09: 0000000000000001
<4>[  916.257125] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c5
<4>[  916.257127] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73b003
<4>[  916.257128] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.257130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.257132] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.257133] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.257135] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.257136] Call Trace:
<4>[  916.257137]  <TASK>
<4>[  916.257139]  ? show_regs+0x6c/0x80
<4>[  916.257143]  ? __warn+0x93/0x1c0
<4>[  916.257146]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.257150]  ? report_bug+0x182/0x1b0
<4>[  916.257155]  ? handle_bug+0x6e/0xb0
<4>[  916.257157]  ? exc_invalid_op+0x18/0x80
<4>[  916.257160]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.257169]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.257173]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.257176]  ? mark_held_locks+0x46/0x90
<4>[  916.257187]  __iommu_map+0x119/0x2c0
<4>[  916.257196]  iommu_map_sg+0xbf/0x210
<4>[  916.257203]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.257218]  dma_map_sgtable+0x1d/0x40
<4>[  916.259444]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.259520] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.259682] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.259686] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.259688] RAX: 0000000000000000 RBX: ffff8881137659e8 RCX: 0000000000000000
<4>[  916.259690] RDX: 0000000000000000 RSI: 0000000003d1533d RDI: 0000000000000000
<4>[  916.259691] RBP: ffffc90004807208 R08: 000000000027f73c R09: 0000000000000001
<4>[  916.259693] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c4
<4>[  916.259694] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73c003
<4>[  916.259696] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.259698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.259699] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.259701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.259702] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.259703] Call Trace:
<4>[  916.259705]  <TASK>
<4>[  916.259706]  ? show_regs+0x6c/0x80
<4>[  916.259710]  ? __warn+0x93/0x1c0
<4>[  916.259713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.259717]  ? report_bug+0x182/0x1b0
<4>[  916.259722]  ? handle_bug+0x6e/0xb0
<4>[  916.259725]  ? exc_invalid_op+0x18/0x80
<4>[  916.259728]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.259737]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.259741]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.259744]  ? mark_held_locks+0x46/0x90
<4>[  916.259755]  __iommu_map+0x119/0x2c0
<4>[  916.259764]  iommu_map_sg+0xbf/0x210
<4>[  916.259772]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.259782]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.262012]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.262087] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.262244] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.262247] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.262250] RAX: 0000000000000000 RBX: ffff8881137659f0 RCX: 0000000000000000
<4>[  916.262251] RDX: 0000000000000000 RSI: 0000000003d1533e RDI: 0000000000000000
<4>[  916.262253] RBP: ffffc90004807208 R08: 000000000027f73d R09: 0000000000000001
<4>[  916.262254] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c3
<4>[  916.262256] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73d003
<4>[  916.262257] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.262259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.262260] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.262262] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.262263] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.262265] Call Trace:
<4>[  916.262266]  <TASK>
<4>[  916.262268]  ? show_regs+0x6c/0x80
<4>[  916.262271]  ? __warn+0x93/0x1c0
<4>[  916.262275]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.262278]  ? report_bug+0x182/0x1b0
<4>[  916.262284]  ? handle_bug+0x6e/0xb0
<4>[  916.262286]  ? exc_invalid_op+0x18/0x80
<4>[  916.262289]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.262298]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.262301]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.262304]  ? mark_held_locks+0x46/0x90
<4>[  916.262316]  __iommu_map+0x119/0x2c0
<4>[  916.262325]  iommu_map_sg+0xbf/0x210
<4>[  916.262332]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.262342]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.264573]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.264653] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.264811] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.264815] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.264817] RAX: 0000000000000000 RBX: ffff8881137659f8 RCX: 0000000000000000
<4>[  916.264818] RDX: 0000000000000000 RSI: 0000000003d1533f RDI: 0000000000000000
<4>[  916.264820] RBP: ffffc90004807208 R08: 000000000027f73e R09: 0000000000000001
<4>[  916.264821] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c2
<4>[  916.264823] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73e003
<4>[  916.264824] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.264826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.264828] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.264829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.264831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.264832] Call Trace:
<4>[  916.264833]  <TASK>
<4>[  916.264835]  ? show_regs+0x6c/0x80
<4>[  916.264838]  ? __warn+0x93/0x1c0
<4>[  916.264842]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.264845]  ? report_bug+0x182/0x1b0
<4>[  916.264850]  ? handle_bug+0x6e/0xb0
<4>[  916.264853]  ? exc_invalid_op+0x18/0x80
<4>[  916.264856]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.264865]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.264868]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.264871]  ? mark_held_locks+0x46/0x90
<4>[  916.264882]  __iommu_map+0x119/0x2c0
<4>[  916.264891]  iommu_map_sg+0xbf/0x210
<4>[  916.264898]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.264908]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.267140]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.267215] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.267371] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.267375] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.267377] RAX: 0000000000000000 RBX: ffff888113765a00 RCX: 0000000000000000
<4>[  916.267379] RDX: 0000000000000000 RSI: 0000000003d15340 RDI: 0000000000000000
<4>[  916.267380] RBP: ffffc90004807208 R08: 000000000027f73f R09: 0000000000000001
<4>[  916.267382] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c1
<4>[  916.267383] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f73f003
<4>[  916.267385] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.267386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.267388] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.267389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.267391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.267392] Call Trace:
<4>[  916.267393]  <TASK>
<4>[  916.267395]  ? show_regs+0x6c/0x80
<4>[  916.267399]  ? __warn+0x93/0x1c0
<4>[  916.267402]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.267406]  ? report_bug+0x182/0x1b0
<4>[  916.267411]  ? handle_bug+0x6e/0xb0
<4>[  916.267413]  ? exc_invalid_op+0x18/0x80
<4>[  916.267416]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.267425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.267429]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.267432]  ? mark_held_locks+0x46/0x90
<4>[  916.267443]  __iommu_map+0x119/0x2c0
<4>[  916.267452]  iommu_map_sg+0xbf/0x210
<4>[  916.267459]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.267469]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.269713]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.269789] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.269947] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.269951] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.269953] RAX: 0000000000000000 RBX: ffff888113765a08 RCX: 0000000000000000
<4>[  916.269955] RDX: 0000000000000000 RSI: 0000000003d15341 RDI: 0000000000000000
<4>[  916.269956] RBP: ffffc90004807208 R08: 000000000027f740 R09: 0000000000000001
<4>[  916.269958] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4c0
<4>[  916.269959] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f740003
<4>[  916.269961] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.269962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.269964] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.269965] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.269967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.269968] Call Trace:
<4>[  916.269970]  <TASK>
<4>[  916.269971]  ? show_regs+0x6c/0x80
<4>[  916.269975]  ? __warn+0x93/0x1c0
<4>[  916.269978]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.269982]  ? report_bug+0x182/0x1b0
<4>[  916.269987]  ? handle_bug+0x6e/0xb0
<4>[  916.269989]  ? exc_invalid_op+0x18/0x80
<4>[  916.269992]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.270001]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.270005]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.270008]  ? mark_held_locks+0x46/0x90
<4>[  916.270019]  __iommu_map+0x119/0x2c0
<4>[  916.270028]  iommu_map_sg+0xbf/0x210
<4>[  916.270035]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.270051]  dma_map_sgtable+0x1d/0x40
<4>[  916.272277]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.272352] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.272509] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.272512] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.272515] RAX: 0000000000000000 RBX: ffff888113765a10 RCX: 0000000000000000
<4>[  916.272516] RDX: 0000000000000000 RSI: 0000000003d15342 RDI: 0000000000000000
<4>[  916.272518] RBP: ffffc90004807208 R08: 000000000027f741 R09: 0000000000000001
<4>[  916.272519] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4bf
<4>[  916.272521] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f741003
<4>[  916.272522] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.272524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.272526] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.272527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.272529] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.272530] Call Trace:
<4>[  916.272531]  <TASK>
<4>[  916.272533]  ? show_regs+0x6c/0x80
<4>[  916.272537]  ? __warn+0x93/0x1c0
<4>[  916.272540]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.272544]  ? report_bug+0x182/0x1b0
<4>[  916.272549]  ? handle_bug+0x6e/0xb0
<4>[  916.272551]  ? exc_invalid_op+0x18/0x80
<4>[  916.272554]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.272563]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.272567]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.272570]  ? mark_held_locks+0x46/0x90
<4>[  916.272581]  __iommu_map+0x119/0x2c0
<4>[  916.272595]  iommu_map_sg+0xbf/0x210
<4>[  916.272603]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.272613]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.274846]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.274922] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.275080] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.275083] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.275086] RAX: 0000000000000000 RBX: ffff888113765a18 RCX: 0000000000000000
<4>[  916.275087] RDX: 0000000000000000 RSI: 0000000003d15343 RDI: 0000000000000000
<4>[  916.275089] RBP: ffffc90004807208 R08: 000000000027f742 R09: 0000000000000001
<4>[  916.275090] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4be
<4>[  916.275092] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f742003
<4>[  916.275093] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.275095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.275096] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.275098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.275099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.275101] Call Trace:
<4>[  916.275102]  <TASK>
<4>[  916.275104]  ? show_regs+0x6c/0x80
<4>[  916.275107]  ? __warn+0x93/0x1c0
<4>[  916.275110]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.275114]  ? report_bug+0x182/0x1b0
<4>[  916.275119]  ? handle_bug+0x6e/0xb0
<4>[  916.275122]  ? exc_invalid_op+0x18/0x80
<4>[  916.275125]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.275134]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.275137]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.275140]  ? mark_held_locks+0x46/0x90
<4>[  916.275152]  __iommu_map+0x119/0x2c0
<4>[  916.275161]  iommu_map_sg+0xbf/0x210
<4>[  916.275168]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.275187]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.277474]  ? irqentry_exit+0x77/0xb0
<4>[  916.277499] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.277658] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.277662] RAX: 0000000000000000 RBX: ffff888113765a20 RCX: 0000000000000000
<4>[  916.277663] RDX: 0000000000000000 RSI: 0000000003d15344 RDI: 0000000000000000
<4>[  916.277665] RBP: ffffc90004807208 R08: 000000000027f743 R09: 0000000000000001
<4>[  916.277666] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4bd
<4>[  916.277668] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f743003
<4>[  916.277669] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.277671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.277673] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.277674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.277676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.277677] Call Trace:
<4>[  916.277679]  <TASK>
<4>[  916.277680]  ? show_regs+0x6c/0x80
<4>[  916.277684]  ? __warn+0x93/0x1c0
<4>[  916.277688]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.277692]  ? report_bug+0x182/0x1b0
<4>[  916.277697]  ? handle_bug+0x6e/0xb0
<4>[  916.277699]  ? exc_invalid_op+0x18/0x80
<4>[  916.277702]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.277712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.277715]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.277738]  iommu_map_sg+0xbf/0x210
<4>[  916.279502]  ? __might_fault+0x53/0xb0
<4>[  916.280053]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  916.280088] softirqs last disabled at (253342537): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.280220] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.280222] RAX: 0000000000000000 RBX: ffff888113765a28 RCX: 0000000000000000
<4>[  916.280224] RDX: 0000000000000000 RSI: 0000000003d15345 RDI: 0000000000000000
<4>[  916.280225] RBP: ffffc90004807208 R08: 000000000027f744 R09: 0000000000000001
<4>[  916.280227] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4bc
<4>[  916.280228] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f744003
<4>[  916.280230] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.280232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.280233] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.280235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.280236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.280238] Call Trace:
<4>[  916.280239]  <TASK>
<4>[  916.280240]  ? show_regs+0x6c/0x80
<4>[  916.280244]  ? __warn+0x93/0x1c0
<4>[  916.280247]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.280251]  ? report_bug+0x182/0x1b0
<4>[  916.280256]  ? handle_bug+0x6e/0xb0
<4>[  916.280259]  ? exc_invalid_op+0x18/0x80
<4>[  916.280262]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.280271]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.280274]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.280277]  ? mark_held_locks+0x46/0x90
<4>[  916.280288]  __iommu_map+0x119/0x2c0
<4>[  916.280297]  iommu_map_sg+0xbf/0x210
<4>[  916.280304]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.280791]  ? lock_acquire+0xc9/0x300
<4>[  916.282573]  ? lock_release+0xd4/0x2b0
<4>[  916.282627] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  916.282782] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.282785] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.282788] RAX: 0000000000000000 RBX: ffff888113765a30 RCX: 0000000000000000
<4>[  916.282789] RDX: 0000000000000000 RSI: 0000000003d15346 RDI: 0000000000000000
<4>[  916.282791] RBP: ffffc90004807208 R08: 000000000027f745 R09: 0000000000000001
<4>[  916.282792] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4bb
<4>[  916.282793] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f745003
<4>[  916.282795] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.282797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.282798] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.282800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.282801] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.282803] Call Trace:
<4>[  916.282804]  <TASK>
<4>[  916.282806]  ? show_regs+0x6c/0x80
<4>[  916.282809]  ? __warn+0x93/0x1c0
<4>[  916.282812]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.282816]  ? report_bug+0x182/0x1b0
<4>[  916.282821]  ? handle_bug+0x6e/0xb0
<4>[  916.282824]  ? exc_invalid_op+0x18/0x80
<4>[  916.282827]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.282836]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.282839]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.282842]  ? mark_held_locks+0x46/0x90
<4>[  916.282854]  __iommu_map+0x119/0x2c0
<4>[  916.282863]  iommu_map_sg+0xbf/0x210
<4>[  916.282870]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.282880]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.285116]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.285191] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.285349] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.285353] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.285355] RAX: 0000000000000000 RBX: ffff888113765a38 RCX: 0000000000000000
<4>[  916.285357] RDX: 0000000000000000 RSI: 0000000003d15347 RDI: 0000000000000000
<4>[  916.285358] RBP: ffffc90004807208 R08: 000000000027f746 R09: 0000000000000001
<4>[  916.285359] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ba
<4>[  916.285361] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f746003
<4>[  916.285362] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.285364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.285366] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.285367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.285369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.285370] Call Trace:
<4>[  916.285371]  <TASK>
<4>[  916.285373]  ? show_regs+0x6c/0x80
<4>[  916.285377]  ? __warn+0x93/0x1c0
<4>[  916.285380]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.285384]  ? report_bug+0x182/0x1b0
<4>[  916.285389]  ? handle_bug+0x6e/0xb0
<4>[  916.285392]  ? exc_invalid_op+0x18/0x80
<4>[  916.285394]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.285404]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.285407]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.285410]  ? mark_held_locks+0x46/0x90
<4>[  916.285421]  __iommu_map+0x119/0x2c0
<4>[  916.285430]  iommu_map_sg+0xbf/0x210
<4>[  916.285438]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.285448]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.287684]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.287760] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.287917] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.287920] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.287923] RAX: 0000000000000000 RBX: ffff888113765a40 RCX: 0000000000000000
<4>[  916.287924] RDX: 0000000000000000 RSI: 0000000003d15348 RDI: 0000000000000000
<4>[  916.287926] RBP: ffffc90004807208 R08: 000000000027f747 R09: 0000000000000001
<4>[  916.287927] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b9
<4>[  916.287929] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f747003
<4>[  916.287930] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.287932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.287933] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.287935] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.287936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.287938] Call Trace:
<4>[  916.287939]  <TASK>
<4>[  916.287941]  ? show_regs+0x6c/0x80
<4>[  916.287944]  ? __warn+0x93/0x1c0
<4>[  916.287948]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.287952]  ? report_bug+0x182/0x1b0
<4>[  916.287957]  ? handle_bug+0x6e/0xb0
<4>[  916.287959]  ? exc_invalid_op+0x18/0x80
<4>[  916.287962]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.287971]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.287975]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.287978]  ? mark_held_locks+0x46/0x90
<4>[  916.287989]  __iommu_map+0x119/0x2c0
<4>[  916.287998]  iommu_map_sg+0xbf/0x210
<4>[  916.288005]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.288024]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.290306]  ? irqentry_exit+0x77/0xb0
<4>[  916.290342]  </TASK>
<4>[  916.290351] softirqs last disabled at (253357849): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.290481] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.290484] RAX: 0000000000000000 RBX: ffff888113765a48 RCX: 0000000000000000
<4>[  916.290485] RDX: 0000000000000000 RSI: 0000000003d15349 RDI: 0000000000000000
<4>[  916.290487] RBP: ffffc90004807208 R08: 000000000027f748 R09: 0000000000000001
<4>[  916.290488] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b8
<4>[  916.290490] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f748003
<4>[  916.290491] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.290493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.290494] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.290496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.290497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.290499] Call Trace:
<4>[  916.290500]  <TASK>
<4>[  916.290502]  ? show_regs+0x6c/0x80
<4>[  916.290505]  ? __warn+0x93/0x1c0
<4>[  916.290508]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.290512]  ? report_bug+0x182/0x1b0
<4>[  916.290517]  ? handle_bug+0x6e/0xb0
<4>[  916.290520]  ? exc_invalid_op+0x18/0x80
<4>[  916.290523]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.290532]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.290535]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.290538]  ? mark_held_locks+0x46/0x90
<4>[  916.290549]  __iommu_map+0x119/0x2c0
<4>[  916.290559]  iommu_map_sg+0xbf/0x210
<4>[  916.290566]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.290576]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.292812]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.292888] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.293044] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.293047] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.293049] RAX: 0000000000000000 RBX: ffff888113765a50 RCX: 0000000000000000
<4>[  916.293051] RDX: 0000000000000000 RSI: 0000000003d1534a RDI: 0000000000000000
<4>[  916.293052] RBP: ffffc90004807208 R08: 000000000027f749 R09: 0000000000000001
<4>[  916.293054] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b7
<4>[  916.293055] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f749003
<4>[  916.293057] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.293059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.293060] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.293062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.293063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.293065] Call Trace:
<4>[  916.293066]  <TASK>
<4>[  916.293068]  ? show_regs+0x6c/0x80
<4>[  916.293071]  ? __warn+0x93/0x1c0
<4>[  916.293074]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.293078]  ? report_bug+0x182/0x1b0
<4>[  916.293083]  ? handle_bug+0x6e/0xb0
<4>[  916.293086]  ? exc_invalid_op+0x18/0x80
<4>[  916.293089]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.293098]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.293101]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.293104]  ? mark_held_locks+0x46/0x90
<4>[  916.293115]  __iommu_map+0x119/0x2c0
<4>[  916.293124]  iommu_map_sg+0xbf/0x210
<4>[  916.293131]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.293457]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.295434]  ? irqentry_exit+0x77/0xb0
<4>[  916.295459] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.295613] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.295617] RAX: 0000000000000000 RBX: ffff888113765a58 RCX: 0000000000000000
<4>[  916.295618] RDX: 0000000000000000 RSI: 0000000003d1534b RDI: 0000000000000000
<4>[  916.295620] RBP: ffffc90004807208 R08: 000000000027f74a R09: 0000000000000001
<4>[  916.295621] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b6
<4>[  916.295622] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74a003
<4>[  916.295624] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.295626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.295627] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.295629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.295630] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.295632] Call Trace:
<4>[  916.295633]  <TASK>
<4>[  916.295635]  ? show_regs+0x6c/0x80
<4>[  916.295638]  ? __warn+0x93/0x1c0
<4>[  916.295641]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.295645]  ? report_bug+0x182/0x1b0
<4>[  916.295650]  ? handle_bug+0x6e/0xb0
<4>[  916.295653]  ? exc_invalid_op+0x18/0x80
<4>[  916.295656]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.295665]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.295669]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.295709]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.297940]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.298014] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.298170] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.298173] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.298176] RAX: 0000000000000000 RBX: ffff888113765a60 RCX: 0000000000000000
<4>[  916.298177] RDX: 0000000000000000 RSI: 0000000003d1534c RDI: 0000000000000000
<4>[  916.298179] RBP: ffffc90004807208 R08: 000000000027f74b R09: 0000000000000001
<4>[  916.298180] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b5
<4>[  916.298182] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74b003
<4>[  916.298183] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.298185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.298187] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.298188] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.298189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.298191] Call Trace:
<4>[  916.298192]  <TASK>
<4>[  916.298194]  ? show_regs+0x6c/0x80
<4>[  916.298198]  ? __warn+0x93/0x1c0
<4>[  916.298201]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.298205]  ? report_bug+0x182/0x1b0
<4>[  916.298210]  ? handle_bug+0x6e/0xb0
<4>[  916.298212]  ? exc_invalid_op+0x18/0x80
<4>[  916.298215]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.298224]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.298228]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.298231]  ? mark_held_locks+0x46/0x90
<4>[  916.298242]  __iommu_map+0x119/0x2c0
<4>[  916.298251]  iommu_map_sg+0xbf/0x210
<4>[  916.298258]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.298748]  ? lock_acquire+0xc9/0x300
<4>[  916.300521]  ? lock_acquire+0xc9/0x300
<4>[  916.300576] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.300739] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.300742] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.300744] RAX: 0000000000000000 RBX: ffff888113765a68 RCX: 0000000000000000
<4>[  916.300746] RDX: 0000000000000000 RSI: 0000000003d1534d RDI: 0000000000000000
<4>[  916.300747] RBP: ffffc90004807208 R08: 000000000027f74c R09: 0000000000000001
<4>[  916.300749] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b4
<4>[  916.300750] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74c003
<4>[  916.300752] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.300754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.300755] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.300757] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.300758] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.300760] Call Trace:
<4>[  916.300761]  <TASK>
<4>[  916.300763]  ? show_regs+0x6c/0x80
<4>[  916.300766]  ? __warn+0x93/0x1c0
<4>[  916.300769]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.300773]  ? report_bug+0x182/0x1b0
<4>[  916.300778]  ? handle_bug+0x6e/0xb0
<4>[  916.300781]  ? exc_invalid_op+0x18/0x80
<4>[  916.300784]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.300793]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.300797]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.300799]  ? mark_held_locks+0x46/0x90
<4>[  916.300811]  __iommu_map+0x119/0x2c0
<4>[  916.300820]  iommu_map_sg+0xbf/0x210
<4>[  916.300827]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.300846]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.303129]  ? irqentry_exit+0x77/0xb0
<4>[  916.303165]  </TASK>
<4>[  916.303172] softirqs last  enabled at (253377620): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.303306] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.303308] RAX: 0000000000000000 RBX: ffff888113765a70 RCX: 0000000000000000
<4>[  916.303310] RDX: 0000000000000000 RSI: 0000000003d1534e RDI: 0000000000000000
<4>[  916.303311] RBP: ffffc90004807208 R08: 000000000027f74d R09: 0000000000000001
<4>[  916.303313] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b3
<4>[  916.303314] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74d003
<4>[  916.303316] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.303317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.303319] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.303321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.303322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.303323] Call Trace:
<4>[  916.303325]  <TASK>
<4>[  916.303326]  ? show_regs+0x6c/0x80
<4>[  916.303330]  ? __warn+0x93/0x1c0
<4>[  916.303333]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.303337]  ? report_bug+0x182/0x1b0
<4>[  916.303342]  ? handle_bug+0x6e/0xb0
<4>[  916.303344]  ? exc_invalid_op+0x18/0x80
<4>[  916.303347]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.303356]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.303360]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.303363]  ? mark_held_locks+0x46/0x90
<4>[  916.303374]  __iommu_map+0x119/0x2c0
<4>[  916.303383]  iommu_map_sg+0xbf/0x210
<4>[  916.303390]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.303400]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.305641]  x64_sys_call+0x131e/0x2650
<4>[  916.305713] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.305871] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.305874] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.305877] RAX: 0000000000000000 RBX: ffff888113765a78 RCX: 0000000000000000
<4>[  916.305878] RDX: 0000000000000000 RSI: 0000000003d1534f RDI: 0000000000000000
<4>[  916.305880] RBP: ffffc90004807208 R08: 000000000027f74e R09: 0000000000000001
<4>[  916.305881] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b2
<4>[  916.305882] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74e003
<4>[  916.305884] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.305886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.305887] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.305889] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.305890] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.305892] Call Trace:
<4>[  916.305893]  <TASK>
<4>[  916.305895]  ? show_regs+0x6c/0x80
<4>[  916.305898]  ? __warn+0x93/0x1c0
<4>[  916.305901]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.305905]  ? report_bug+0x182/0x1b0
<4>[  916.305910]  ? handle_bug+0x6e/0xb0
<4>[  916.305913]  ? exc_invalid_op+0x18/0x80
<4>[  916.305916]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.305925]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.305928]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.305931]  ? mark_held_locks+0x46/0x90
<4>[  916.305942]  __iommu_map+0x119/0x2c0
<4>[  916.305951]  iommu_map_sg+0xbf/0x210
<4>[  916.305959]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.305969]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.308200]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.308276] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.308432] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.308436] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.308438] RAX: 0000000000000000 RBX: ffff888113765a80 RCX: 0000000000000000
<4>[  916.308440] RDX: 0000000000000000 RSI: 0000000003d15350 RDI: 0000000000000000
<4>[  916.308441] RBP: ffffc90004807208 R08: 000000000027f74f R09: 0000000000000001
<4>[  916.308443] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b1
<4>[  916.308444] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f74f003
<4>[  916.308446] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.308447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.308449] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.308451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.308452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.308453] Call Trace:
<4>[  916.308455]  <TASK>
<4>[  916.308456]  ? show_regs+0x6c/0x80
<4>[  916.308460]  ? __warn+0x93/0x1c0
<4>[  916.308463]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.308467]  ? report_bug+0x182/0x1b0
<4>[  916.308472]  ? handle_bug+0x6e/0xb0
<4>[  916.308475]  ? exc_invalid_op+0x18/0x80
<4>[  916.308477]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.308486]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.308490]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.308493]  ? mark_held_locks+0x46/0x90
<4>[  916.308504]  __iommu_map+0x119/0x2c0
<4>[  916.308513]  iommu_map_sg+0xbf/0x210
<4>[  916.308520]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.308530]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.310769]  x64_sys_call+0x131e/0x2650
<4>[  916.310839] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.310995] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.310998] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.311001] RAX: 0000000000000000 RBX: ffff888113765a88 RCX: 0000000000000000
<4>[  916.311002] RDX: 0000000000000000 RSI: 0000000003d15351 RDI: 0000000000000000
<4>[  916.311004] RBP: ffffc90004807208 R08: 000000000027f750 R09: 0000000000000001
<4>[  916.311005] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4b0
<4>[  916.311007] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f750003
<4>[  916.311008] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.311010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.311011] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.311013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.311014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.311016] Call Trace:
<4>[  916.311017]  <TASK>
<4>[  916.311019]  ? show_regs+0x6c/0x80
<4>[  916.311022]  ? __warn+0x93/0x1c0
<4>[  916.311025]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.311029]  ? report_bug+0x182/0x1b0
<4>[  916.311034]  ? handle_bug+0x6e/0xb0
<4>[  916.311037]  ? exc_invalid_op+0x18/0x80
<4>[  916.311040]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.311049]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.311052]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.311055]  ? mark_held_locks+0x46/0x90
<4>[  916.311066]  __iommu_map+0x119/0x2c0
<4>[  916.311075]  iommu_map_sg+0xbf/0x210
<4>[  916.311083]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.311255]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.313387]  ? irqentry_exit+0x77/0xb0
<4>[  916.313412] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.313562] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.313566] RAX: 0000000000000000 RBX: ffff888113765a90 RCX: 0000000000000000
<4>[  916.313567] RDX: 0000000000000000 RSI: 0000000003d15352 RDI: 0000000000000000
<4>[  916.313569] RBP: ffffc90004807208 R08: 000000000027f751 R09: 0000000000000001
<4>[  916.313570] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4af
<4>[  916.313572] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f751003
<4>[  916.313573] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.313575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.313577] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.313578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.313580] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.313581] Call Trace:
<4>[  916.313582]  <TASK>
<4>[  916.313584]  ? show_regs+0x6c/0x80
<4>[  916.313594]  ? __warn+0x93/0x1c0
<4>[  916.313597]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.313601]  ? report_bug+0x182/0x1b0
<4>[  916.313606]  ? handle_bug+0x6e/0xb0
<4>[  916.313609]  ? exc_invalid_op+0x18/0x80
<4>[  916.313611]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.313621]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.313624]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.313664]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.315896]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.315972] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.316130] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.316133] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.316136] RAX: 0000000000000000 RBX: ffff888113765a98 RCX: 0000000000000000
<4>[  916.316137] RDX: 0000000000000000 RSI: 0000000003d15353 RDI: 0000000000000000
<4>[  916.316139] RBP: ffffc90004807208 R08: 000000000027f752 R09: 0000000000000001
<4>[  916.316140] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ae
<4>[  916.316141] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f752003
<4>[  916.316143] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.316145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.316146] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.316148] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.316149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.316151] Call Trace:
<4>[  916.316152]  <TASK>
<4>[  916.316154]  ? show_regs+0x6c/0x80
<4>[  916.316157]  ? __warn+0x93/0x1c0
<4>[  916.316160]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.316164]  ? report_bug+0x182/0x1b0
<4>[  916.316169]  ? handle_bug+0x6e/0xb0
<4>[  916.316172]  ? exc_invalid_op+0x18/0x80
<4>[  916.316175]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.316184]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.316187]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.316190]  ? mark_held_locks+0x46/0x90
<4>[  916.316202]  __iommu_map+0x119/0x2c0
<4>[  916.316211]  iommu_map_sg+0xbf/0x210
<4>[  916.316218]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.316233]  dma_map_sgtable+0x1d/0x40
<4>[  916.318455]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.318531] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.318693] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.318697] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.318699] RAX: 0000000000000000 RBX: ffff888113765aa0 RCX: 0000000000000000
<4>[  916.318701] RDX: 0000000000000000 RSI: 0000000003d15354 RDI: 0000000000000000
<4>[  916.318702] RBP: ffffc90004807208 R08: 000000000027f753 R09: 0000000000000001
<4>[  916.318704] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ad
<4>[  916.318705] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f753003
<4>[  916.318707] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.318709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.318710] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.318712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.318713] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.318715] Call Trace:
<4>[  916.318716]  <TASK>
<4>[  916.318717]  ? show_regs+0x6c/0x80
<4>[  916.318721]  ? __warn+0x93/0x1c0
<4>[  916.318724]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.318728]  ? report_bug+0x182/0x1b0
<4>[  916.318733]  ? handle_bug+0x6e/0xb0
<4>[  916.318736]  ? exc_invalid_op+0x18/0x80
<4>[  916.318739]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.318748]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.318752]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.318755]  ? mark_held_locks+0x46/0x90
<4>[  916.318766]  __iommu_map+0x119/0x2c0
<4>[  916.318775]  iommu_map_sg+0xbf/0x210
<4>[  916.318782]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.318792]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.321025]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.321101] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.321259] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.321262] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.321264] RAX: 0000000000000000 RBX: ffff888113765aa8 RCX: 0000000000000000
<4>[  916.321266] RDX: 0000000000000000 RSI: 0000000003d15355 RDI: 0000000000000000
<4>[  916.321267] RBP: ffffc90004807208 R08: 000000000027f754 R09: 0000000000000001
<4>[  916.321269] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ac
<4>[  916.321270] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f754003
<4>[  916.321272] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.321274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.321275] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.321277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.321278] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.321280] Call Trace:
<4>[  916.321281]  <TASK>
<4>[  916.321283]  ? show_regs+0x6c/0x80
<4>[  916.321286]  ? __warn+0x93/0x1c0
<4>[  916.321289]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.321293]  ? report_bug+0x182/0x1b0
<4>[  916.321298]  ? handle_bug+0x6e/0xb0
<4>[  916.321301]  ? exc_invalid_op+0x18/0x80
<4>[  916.321304]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.321313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.321316]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.321319]  ? mark_held_locks+0x46/0x90
<4>[  916.321330]  __iommu_map+0x119/0x2c0
<4>[  916.321339]  iommu_map_sg+0xbf/0x210
<4>[  916.321346]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.321365]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.323652]  ? irqentry_exit+0x77/0xb0
<4>[  916.323688]  </TASK>
<4>[  916.323695] softirqs last  enabled at (253409804): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.323830] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.323832] RAX: 0000000000000000 RBX: ffff888113765ab0 RCX: 0000000000000000
<4>[  916.323834] RDX: 0000000000000000 RSI: 0000000003d15356 RDI: 0000000000000000
<4>[  916.323835] RBP: ffffc90004807208 R08: 000000000027f755 R09: 0000000000000001
<4>[  916.323837] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4ab
<4>[  916.323838] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f755003
<4>[  916.323840] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.323842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.323843] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.323845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.323846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.323847] Call Trace:
<4>[  916.323849]  <TASK>
<4>[  916.323850]  ? show_regs+0x6c/0x80
<4>[  916.323854]  ? __warn+0x93/0x1c0
<4>[  916.323857]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.323861]  ? report_bug+0x182/0x1b0
<4>[  916.323866]  ? handle_bug+0x6e/0xb0
<4>[  916.323868]  ? exc_invalid_op+0x18/0x80
<4>[  916.323871]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.323880]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.323884]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.323887]  ? mark_held_locks+0x46/0x90
<4>[  916.323898]  __iommu_map+0x119/0x2c0
<4>[  916.323907]  iommu_map_sg+0xbf/0x210
<4>[  916.323914]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.323924]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.326150]  ? lock_is_held_type+0xa3/0x130
<4>[  916.326232] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.326388] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.326392] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.326394] RAX: 0000000000000000 RBX: ffff888113765ab8 RCX: 0000000000000000
<4>[  916.326395] RDX: 0000000000000000 RSI: 0000000003d15357 RDI: 0000000000000000
<4>[  916.326397] RBP: ffffc90004807208 R08: 000000000027f756 R09: 0000000000000001
<4>[  916.326398] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4aa
<4>[  916.326400] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f756003
<4>[  916.326401] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.326403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.326405] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.326406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.326408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.326409] Call Trace:
<4>[  916.326410]  <TASK>
<4>[  916.326412]  ? show_regs+0x6c/0x80
<4>[  916.326415]  ? __warn+0x93/0x1c0
<4>[  916.326419]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.326423]  ? report_bug+0x182/0x1b0
<4>[  916.326428]  ? handle_bug+0x6e/0xb0
<4>[  916.326430]  ? exc_invalid_op+0x18/0x80
<4>[  916.326433]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.326442]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.326446]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.326449]  ? mark_held_locks+0x46/0x90
<4>[  916.326460]  __iommu_map+0x119/0x2c0
<4>[  916.326469]  iommu_map_sg+0xbf/0x210
<4>[  916.326476]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.326486]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.328721]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.328797] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.328954] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.328957] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.328960] RAX: 0000000000000000 RBX: ffff888113765ac0 RCX: 0000000000000000
<4>[  916.328961] RDX: 0000000000000000 RSI: 0000000003d15358 RDI: 0000000000000000
<4>[  916.328963] RBP: ffffc90004807208 R08: 000000000027f757 R09: 0000000000000001
<4>[  916.328964] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a9
<4>[  916.328966] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f757003
<4>[  916.328967] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.328969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.328970] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.328972] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.328973] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.328975] Call Trace:
<4>[  916.328976]  <TASK>
<4>[  916.328978]  ? show_regs+0x6c/0x80
<4>[  916.328981]  ? __warn+0x93/0x1c0
<4>[  916.328984]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.328988]  ? report_bug+0x182/0x1b0
<4>[  916.328993]  ? handle_bug+0x6e/0xb0
<4>[  916.328996]  ? exc_invalid_op+0x18/0x80
<4>[  916.328999]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.329008]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.329011]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.329014]  ? mark_held_locks+0x46/0x90
<4>[  916.329025]  __iommu_map+0x119/0x2c0
<4>[  916.329034]  iommu_map_sg+0xbf/0x210
<4>[  916.329042]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.329057]  dma_map_sgtable+0x1d/0x40
<4>[  916.331285]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.331360] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.331517] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.331521] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.331523] RAX: 0000000000000000 RBX: ffff888113765ac8 RCX: 0000000000000000
<4>[  916.331525] RDX: 0000000000000000 RSI: 0000000003d15359 RDI: 0000000000000000
<4>[  916.331526] RBP: ffffc90004807208 R08: 000000000027f758 R09: 0000000000000001
<4>[  916.331528] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a8
<4>[  916.331529] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f758003
<4>[  916.331531] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.331532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.331534] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.331535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.331537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.331538] Call Trace:
<4>[  916.331539]  <TASK>
<4>[  916.331541]  ? show_regs+0x6c/0x80
<4>[  916.331545]  ? __warn+0x93/0x1c0
<4>[  916.331548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.331552]  ? report_bug+0x182/0x1b0
<4>[  916.331557]  ? handle_bug+0x6e/0xb0
<4>[  916.331559]  ? exc_invalid_op+0x18/0x80
<4>[  916.331562]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.331571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.331575]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.331578]  ? mark_held_locks+0x46/0x90
<4>[  916.331594]  __iommu_map+0x119/0x2c0
<4>[  916.331603]  iommu_map_sg+0xbf/0x210
<4>[  916.331610]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.331620]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.333853]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.333929] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.334085] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.334088] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.334091] RAX: 0000000000000000 RBX: ffff888113765ad0 RCX: 0000000000000000
<4>[  916.334092] RDX: 0000000000000000 RSI: 0000000003d1535a RDI: 0000000000000000
<4>[  916.334094] RBP: ffffc90004807208 R08: 000000000027f759 R09: 0000000000000001
<4>[  916.334095] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a7
<4>[  916.334097] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f759003
<4>[  916.334098] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.334100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.334101] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.334103] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.334104] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.334106] Call Trace:
<4>[  916.334107]  <TASK>
<4>[  916.334109]  ? show_regs+0x6c/0x80
<4>[  916.334112]  ? __warn+0x93/0x1c0
<4>[  916.334115]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.334119]  ? report_bug+0x182/0x1b0
<4>[  916.334124]  ? handle_bug+0x6e/0xb0
<4>[  916.334127]  ? exc_invalid_op+0x18/0x80
<4>[  916.334130]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.334139]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.334142]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.334145]  ? mark_held_locks+0x46/0x90
<4>[  916.334156]  __iommu_map+0x119/0x2c0
<4>[  916.334165]  iommu_map_sg+0xbf/0x210
<4>[  916.334172]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.334182]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.336420]  do_syscall_64+0x91/0x180
<4>[  916.336487] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.336648] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.336652] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.336654] RAX: 0000000000000000 RBX: ffff888113765ad8 RCX: 0000000000000000
<4>[  916.336656] RDX: 0000000000000000 RSI: 0000000003d1535b RDI: 0000000000000000
<4>[  916.336657] RBP: ffffc90004807208 R08: 000000000027f75a R09: 0000000000000001
<4>[  916.336659] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a6
<4>[  916.336661] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75a003
<4>[  916.336662] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.336664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.336666] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.336667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.336669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.336670] Call Trace:
<4>[  916.336671]  <TASK>
<4>[  916.336673]  ? show_regs+0x6c/0x80
<4>[  916.336677]  ? __warn+0x93/0x1c0
<4>[  916.336680]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.336684]  ? report_bug+0x182/0x1b0
<4>[  916.336689]  ? handle_bug+0x6e/0xb0
<4>[  916.336692]  ? exc_invalid_op+0x18/0x80
<4>[  916.336695]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.336704]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.336707]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.336710]  ? mark_held_locks+0x46/0x90
<4>[  916.336722]  __iommu_map+0x119/0x2c0
<4>[  916.336731]  iommu_map_sg+0xbf/0x210
<4>[  916.336738]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.336748]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.338980]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.339055] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.339211] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.339215] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.339217] RAX: 0000000000000000 RBX: ffff888113765ae0 RCX: 0000000000000000
<4>[  916.339218] RDX: 0000000000000000 RSI: 0000000003d1535c RDI: 0000000000000000
<4>[  916.339220] RBP: ffffc90004807208 R08: 000000000027f75b R09: 0000000000000001
<4>[  916.339221] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a5
<4>[  916.339223] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75b003
<4>[  916.339224] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.339226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.339227] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.339229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.339230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.339232] Call Trace:
<4>[  916.339233]  <TASK>
<4>[  916.339235]  ? show_regs+0x6c/0x80
<4>[  916.339238]  ? __warn+0x93/0x1c0
<4>[  916.339242]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.339245]  ? report_bug+0x182/0x1b0
<4>[  916.339251]  ? handle_bug+0x6e/0xb0
<4>[  916.339253]  ? exc_invalid_op+0x18/0x80
<4>[  916.339256]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.339265]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.339269]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.339272]  ? mark_held_locks+0x46/0x90
<4>[  916.339283]  __iommu_map+0x119/0x2c0
<4>[  916.339292]  iommu_map_sg+0xbf/0x210
<4>[  916.339299]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.339787]  ? lock_acquire+0xc9/0x300
<4>[  916.341559]  ? lock_acquire+0xc9/0x300
<4>[  916.341620] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.341777] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.341780] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.341782] RAX: 0000000000000000 RBX: ffff888113765ae8 RCX: 0000000000000000
<4>[  916.341784] RDX: 0000000000000000 RSI: 0000000003d1535d RDI: 0000000000000000
<4>[  916.341785] RBP: ffffc90004807208 R08: 000000000027f75c R09: 0000000000000001
<4>[  916.341787] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a4
<4>[  916.341788] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75c003
<4>[  916.341790] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.341792] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.341793] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.341795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.341796] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.341798] Call Trace:
<4>[  916.341799]  <TASK>
<4>[  916.341801]  ? show_regs+0x6c/0x80
<4>[  916.341804]  ? __warn+0x93/0x1c0
<4>[  916.341807]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.341811]  ? report_bug+0x182/0x1b0
<4>[  916.341816]  ? handle_bug+0x6e/0xb0
<4>[  916.341819]  ? exc_invalid_op+0x18/0x80
<4>[  916.341822]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.341831]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.341834]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.341837]  ? mark_held_locks+0x46/0x90
<4>[  916.341849]  __iommu_map+0x119/0x2c0
<4>[  916.341858]  iommu_map_sg+0xbf/0x210
<4>[  916.341865]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.341875]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.344107]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.344182] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.344338] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.344342] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.344344] RAX: 0000000000000000 RBX: ffff888113765af0 RCX: 0000000000000000
<4>[  916.344346] RDX: 0000000000000000 RSI: 0000000003d1535e RDI: 0000000000000000
<4>[  916.344347] RBP: ffffc90004807208 R08: 000000000027f75d R09: 0000000000000001
<4>[  916.344349] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a3
<4>[  916.344350] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75d003
<4>[  916.344352] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.344353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.344355] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.344356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.344358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.344359] Call Trace:
<4>[  916.344360]  <TASK>
<4>[  916.344362]  ? show_regs+0x6c/0x80
<4>[  916.344366]  ? __warn+0x93/0x1c0
<4>[  916.344369]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.344373]  ? report_bug+0x182/0x1b0
<4>[  916.344378]  ? handle_bug+0x6e/0xb0
<4>[  916.344380]  ? exc_invalid_op+0x18/0x80
<4>[  916.344383]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.344392]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.344396]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.344399]  ? mark_held_locks+0x46/0x90
<4>[  916.344410]  __iommu_map+0x119/0x2c0
<4>[  916.344419]  iommu_map_sg+0xbf/0x210
<4>[  916.344426]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.344436]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.346676]  x64_sys_call+0x131e/0x2650
<4>[  916.346747] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.346904] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.346908] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.346910] RAX: 0000000000000000 RBX: ffff888113765af8 RCX: 0000000000000000
<4>[  916.346912] RDX: 0000000000000000 RSI: 0000000003d1535f RDI: 0000000000000000
<4>[  916.346913] RBP: ffffc90004807208 R08: 000000000027f75e R09: 0000000000000001
<4>[  916.346914] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a2
<4>[  916.346916] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75e003
<4>[  916.346918] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.346919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.346921] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.346922] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.346924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.346925] Call Trace:
<4>[  916.346926]  <TASK>
<4>[  916.346928]  ? show_regs+0x6c/0x80
<4>[  916.346932]  ? __warn+0x93/0x1c0
<4>[  916.346935]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.346939]  ? report_bug+0x182/0x1b0
<4>[  916.346944]  ? handle_bug+0x6e/0xb0
<4>[  916.346946]  ? exc_invalid_op+0x18/0x80
<4>[  916.346949]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.346959]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.346962]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.346965]  ? mark_held_locks+0x46/0x90
<4>[  916.346976]  __iommu_map+0x119/0x2c0
<4>[  916.346985]  iommu_map_sg+0xbf/0x210
<4>[  916.346992]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.347002]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.349238]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.349314] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.349471] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.349475] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.349477] RAX: 0000000000000000 RBX: ffff888113765b00 RCX: 0000000000000000
<4>[  916.349478] RDX: 0000000000000000 RSI: 0000000003d15360 RDI: 0000000000000000
<4>[  916.349480] RBP: ffffc90004807208 R08: 000000000027f75f R09: 0000000000000001
<4>[  916.349481] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a1
<4>[  916.349483] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f75f003
<4>[  916.349484] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.349486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.349488] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.349489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.349491] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.349492] Call Trace:
<4>[  916.349493]  <TASK>
<4>[  916.349495]  ? show_regs+0x6c/0x80
<4>[  916.349498]  ? __warn+0x93/0x1c0
<4>[  916.349502]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.349505]  ? report_bug+0x182/0x1b0
<4>[  916.349511]  ? handle_bug+0x6e/0xb0
<4>[  916.349513]  ? exc_invalid_op+0x18/0x80
<4>[  916.349516]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.349525]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.349528]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.349531]  ? mark_held_locks+0x46/0x90
<4>[  916.349543]  __iommu_map+0x119/0x2c0
<4>[  916.349552]  iommu_map_sg+0xbf/0x210
<4>[  916.349559]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.349569]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.351810]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.351885] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.352044] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.352047] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.352049] RAX: 0000000000000000 RBX: ffff888113765b08 RCX: 0000000000000000
<4>[  916.352051] RDX: 0000000000000000 RSI: 0000000003d15361 RDI: 0000000000000000
<4>[  916.352052] RBP: ffffc90004807208 R08: 000000000027f760 R09: 0000000000000001
<4>[  916.352054] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de4a0
<4>[  916.352055] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f760003
<4>[  916.352057] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.352059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.352060] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.352062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.352063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.352065] Call Trace:
<4>[  916.352066]  <TASK>
<4>[  916.352068]  ? show_regs+0x6c/0x80
<4>[  916.352071]  ? __warn+0x93/0x1c0
<4>[  916.352074]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.352078]  ? report_bug+0x182/0x1b0
<4>[  916.352083]  ? handle_bug+0x6e/0xb0
<4>[  916.352086]  ? exc_invalid_op+0x18/0x80
<4>[  916.352089]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.352098]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.352101]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.352104]  ? mark_held_locks+0x46/0x90
<4>[  916.352115]  __iommu_map+0x119/0x2c0
<4>[  916.352124]  iommu_map_sg+0xbf/0x210
<4>[  916.352131]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.352141]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.354374]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.354449] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.354612] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.354616] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.354618] RAX: 0000000000000000 RBX: ffff888113765b10 RCX: 0000000000000000
<4>[  916.354619] RDX: 0000000000000000 RSI: 0000000003d15362 RDI: 0000000000000000
<4>[  916.354621] RBP: ffffc90004807208 R08: 000000000027f761 R09: 0000000000000001
<4>[  916.354622] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49f
<4>[  916.354624] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f761003
<4>[  916.354625] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.354627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.354629] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.354630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.354632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.354633] Call Trace:
<4>[  916.354634]  <TASK>
<4>[  916.354636]  ? show_regs+0x6c/0x80
<4>[  916.354639]  ? __warn+0x93/0x1c0
<4>[  916.354643]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.354647]  ? report_bug+0x182/0x1b0
<4>[  916.354652]  ? handle_bug+0x6e/0xb0
<4>[  916.354654]  ? exc_invalid_op+0x18/0x80
<4>[  916.354658]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.354667]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.354670]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.354673]  ? mark_held_locks+0x46/0x90
<4>[  916.354684]  __iommu_map+0x119/0x2c0
<4>[  916.354694]  iommu_map_sg+0xbf/0x210
<4>[  916.354701]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.354711]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.356772]  drm_ioctl_kernel+0xb2/0x120
<4>[  916.357019] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.357181] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.357183] RAX: 0000000000000000 RBX: ffff888113765b18 RCX: 0000000000000000
<4>[  916.357185] RDX: 0000000000000000 RSI: 0000000003d15363 RDI: 0000000000000000
<4>[  916.357186] RBP: ffffc90004807208 R08: 000000000027f762 R09: 0000000000000001
<4>[  916.357188] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49e
<4>[  916.357189] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f762003
<4>[  916.357191] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.357193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.357194] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.357196] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.357197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.357199] Call Trace:
<4>[  916.357200]  <TASK>
<4>[  916.357202]  ? show_regs+0x6c/0x80
<4>[  916.357205]  ? __warn+0x93/0x1c0
<4>[  916.357208]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.357212]  ? report_bug+0x182/0x1b0
<4>[  916.357217]  ? handle_bug+0x6e/0xb0
<4>[  916.357220]  ? exc_invalid_op+0x18/0x80
<4>[  916.357223]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.357232]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.357235]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.357238]  ? mark_held_locks+0x46/0x90
<4>[  916.357249]  __iommu_map+0x119/0x2c0
<4>[  916.358062]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  916.359596] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.359756] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.359759] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.359762] RAX: 0000000000000000 RBX: ffff888113765b20 RCX: 0000000000000000
<4>[  916.359763] RDX: 0000000000000000 RSI: 0000000003d15364 RDI: 0000000000000000
<4>[  916.359765] RBP: ffffc90004807208 R08: 000000000027f763 R09: 0000000000000001
<4>[  916.359766] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49d
<4>[  916.359768] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f763003
<4>[  916.359769] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.359771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.359772] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.359774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.359775] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.359777] Call Trace:
<4>[  916.359778]  <TASK>
<4>[  916.359780]  ? show_regs+0x6c/0x80
<4>[  916.359783]  ? __warn+0x93/0x1c0
<4>[  916.359786]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.359790]  ? report_bug+0x182/0x1b0
<4>[  916.359795]  ? handle_bug+0x6e/0xb0
<4>[  916.359798]  ? exc_invalid_op+0x18/0x80
<4>[  916.359801]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.359810]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.359813]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.359816]  ? mark_held_locks+0x46/0x90
<4>[  916.359828]  __iommu_map+0x119/0x2c0
<4>[  916.359837]  iommu_map_sg+0xbf/0x210
<4>[  916.359844]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.359854]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.362081]  ? lock_is_held_type+0xa3/0x130
<4>[  916.362163] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.362321] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.362325] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.362327] RAX: 0000000000000000 RBX: ffff888113765b28 RCX: 0000000000000000
<4>[  916.362329] RDX: 0000000000000000 RSI: 0000000003d15365 RDI: 0000000000000000
<4>[  916.362330] RBP: ffffc90004807208 R08: 000000000027f764 R09: 0000000000000001
<4>[  916.362331] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49c
<4>[  916.362333] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f764003
<4>[  916.362334] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.362336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.362338] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.362339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.362341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.362342] Call Trace:
<4>[  916.362343]  <TASK>
<4>[  916.362345]  ? show_regs+0x6c/0x80
<4>[  916.362349]  ? __warn+0x93/0x1c0
<4>[  916.362352]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.362356]  ? report_bug+0x182/0x1b0
<4>[  916.362361]  ? handle_bug+0x6e/0xb0
<4>[  916.362364]  ? exc_invalid_op+0x18/0x80
<4>[  916.362367]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.362376]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.362379]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.362382]  ? mark_held_locks+0x46/0x90
<4>[  916.362393]  __iommu_map+0x119/0x2c0
<4>[  916.362403]  iommu_map_sg+0xbf/0x210
<4>[  916.362410]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.362741]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.364714]  ? irqentry_exit+0x77/0xb0
<4>[  916.364736] RBP: 00007fff2a23f530 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  916.364888] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.364892] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.364894] RAX: 0000000000000000 RBX: ffff888113765b30 RCX: 0000000000000000
<4>[  916.364896] RDX: 0000000000000000 RSI: 0000000003d15366 RDI: 0000000000000000
<4>[  916.364897] RBP: ffffc90004807208 R08: 000000000027f765 R09: 0000000000000001
<4>[  916.364899] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49b
<4>[  916.364900] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f765003
<4>[  916.364902] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.364903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.364905] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.364906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.364908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.364909] Call Trace:
<4>[  916.364911]  <TASK>
<4>[  916.364912]  ? show_regs+0x6c/0x80
<4>[  916.364916]  ? __warn+0x93/0x1c0
<4>[  916.364919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.364923]  ? report_bug+0x182/0x1b0
<4>[  916.364928]  ? handle_bug+0x6e/0xb0
<4>[  916.364930]  ? exc_invalid_op+0x18/0x80
<4>[  916.364933]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.364942]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.364946]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.364949]  ? mark_held_locks+0x46/0x90
<4>[  916.364960]  __iommu_map+0x119/0x2c0
<4>[  916.364969]  iommu_map_sg+0xbf/0x210
<4>[  916.364976]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.364991]  dma_map_sgtable+0x1d/0x40
<4>[  916.367219]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.367294] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.367449] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.367453] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.367455] RAX: 0000000000000000 RBX: ffff888113765b38 RCX: 0000000000000000
<4>[  916.367457] RDX: 0000000000000000 RSI: 0000000003d15367 RDI: 0000000000000000
<4>[  916.367458] RBP: ffffc90004807208 R08: 000000000027f766 R09: 0000000000000001
<4>[  916.367460] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de49a
<4>[  916.367461] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f766003
<4>[  916.367463] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.367464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.367466] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.367467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.367469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.367470] Call Trace:
<4>[  916.367472]  <TASK>
<4>[  916.367473]  ? show_regs+0x6c/0x80
<4>[  916.367477]  ? __warn+0x93/0x1c0
<4>[  916.367480]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.367484]  ? report_bug+0x182/0x1b0
<4>[  916.367489]  ? handle_bug+0x6e/0xb0
<4>[  916.367492]  ? exc_invalid_op+0x18/0x80
<4>[  916.367494]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.367504]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.367507]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.367510]  ? mark_held_locks+0x46/0x90
<4>[  916.367521]  __iommu_map+0x119/0x2c0
<4>[  916.367530]  iommu_map_sg+0xbf/0x210
<4>[  916.367537]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.367547]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.369623]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  916.369881] irq event stamp: 253484051
<4>[  916.369992]  wmi pmt_class nls_iso8859_1 intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr fuse nvme_fabrics efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  916.370021] RAX: 0000000000000000 RBX: ffff888113765b40 RCX: 0000000000000000
<4>[  916.370022] RDX: 0000000000000000 RSI: 0000000003d15368 RDI: 0000000000000000
<4>[  916.370024] RBP: ffffc90004807208 R08: 000000000027f767 R09: 0000000000000001
<4>[  916.370025] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de499
<4>[  916.370027] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f767003
<4>[  916.370028] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.370030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.370031] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.370033] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.370034] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.370036] Call Trace:
<4>[  916.370037]  <TASK>
<4>[  916.370039]  ? show_regs+0x6c/0x80
<4>[  916.370042]  ? __warn+0x93/0x1c0
<4>[  916.370045]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.370049]  ? report_bug+0x182/0x1b0
<4>[  916.370054]  ? handle_bug+0x6e/0xb0
<4>[  916.370057]  ? exc_invalid_op+0x18/0x80
<4>[  916.370060]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.370069]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.370072]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.370075]  ? mark_held_locks+0x46/0x90
<4>[  916.370086]  __iommu_map+0x119/0x2c0
<4>[  916.370593]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  916.372401]  ? irqentry_exit+0x77/0xb0
<4>[  916.372426] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.372574] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.372578] RAX: 0000000000000000 RBX: ffff888113765b48 RCX: 0000000000000000
<4>[  916.372579] RDX: 0000000000000000 RSI: 0000000003d15369 RDI: 0000000000000000
<4>[  916.372581] RBP: ffffc90004807208 R08: 000000000027f768 R09: 0000000000000001
<4>[  916.372582] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de498
<4>[  916.372584] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f768003
<4>[  916.372590] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.372592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.372594] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.372595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.372597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.372598] Call Trace:
<4>[  916.372599]  <TASK>
<4>[  916.372601]  ? show_regs+0x6c/0x80
<4>[  916.372604]  ? __warn+0x93/0x1c0
<4>[  916.372608]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.372612]  ? report_bug+0x182/0x1b0
<4>[  916.372617]  ? handle_bug+0x6e/0xb0
<4>[  916.372619]  ? exc_invalid_op+0x18/0x80
<4>[  916.372622]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.372631]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.372635]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.372638]  ? mark_held_locks+0x46/0x90
<4>[  916.374078]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.374981] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.375136] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.375139] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.375141] RAX: 0000000000000000 RBX: ffff888113765b50 RCX: 0000000000000000
<4>[  916.375143] RDX: 0000000000000000 RSI: 0000000003d1536a RDI: 0000000000000000
<4>[  916.375144] RBP: ffffc90004807208 R08: 000000000027f769 R09: 0000000000000001
<4>[  916.375146] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de497
<4>[  916.375147] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f769003
<4>[  916.375149] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.375151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.375152] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.375154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.375155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.375157] Call Trace:
<4>[  916.375158]  <TASK>
<4>[  916.375159]  ? show_regs+0x6c/0x80
<4>[  916.375163]  ? __warn+0x93/0x1c0
<4>[  916.375166]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.375170]  ? report_bug+0x182/0x1b0
<4>[  916.375175]  ? handle_bug+0x6e/0xb0
<4>[  916.375178]  ? exc_invalid_op+0x18/0x80
<4>[  916.375180]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.375190]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.375193]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.375196]  ? mark_held_locks+0x46/0x90
<4>[  916.375207]  __iommu_map+0x119/0x2c0
<4>[  916.375216]  iommu_map_sg+0xbf/0x210
<4>[  916.375223]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.375239]  dma_map_sgtable+0x1d/0x40
<4>[  916.377462]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.377537] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.377698] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.377702] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.377704] RAX: 0000000000000000 RBX: ffff888113765b58 RCX: 0000000000000000
<4>[  916.377706] RDX: 0000000000000000 RSI: 0000000003d1536b RDI: 0000000000000000
<4>[  916.377707] RBP: ffffc90004807208 R08: 000000000027f76a R09: 0000000000000001
<4>[  916.377709] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de496
<4>[  916.377710] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76a003
<4>[  916.377712] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.377714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.377715] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.377717] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.377718] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.377720] Call Trace:
<4>[  916.377721]  <TASK>
<4>[  916.377723]  ? show_regs+0x6c/0x80
<4>[  916.377726]  ? __warn+0x93/0x1c0
<4>[  916.377730]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.377734]  ? report_bug+0x182/0x1b0
<4>[  916.377739]  ? handle_bug+0x6e/0xb0
<4>[  916.377741]  ? exc_invalid_op+0x18/0x80
<4>[  916.377744]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.377753]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.377757]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.377760]  ? mark_held_locks+0x46/0x90
<4>[  916.377771]  __iommu_map+0x119/0x2c0
<4>[  916.377780]  iommu_map_sg+0xbf/0x210
<4>[  916.377787]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.377797]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.380021]  ? lock_is_held_type+0xa3/0x130
<4>[  916.380103] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.380258] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.380261] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.380264] RAX: 0000000000000000 RBX: ffff888113765b60 RCX: 0000000000000000
<4>[  916.380265] RDX: 0000000000000000 RSI: 0000000003d1536c RDI: 0000000000000000
<4>[  916.380266] RBP: ffffc90004807208 R08: 000000000027f76b R09: 0000000000000001
<4>[  916.380268] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de495
<4>[  916.380269] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76b003
<4>[  916.380271] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.380273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.380274] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.380276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.380277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.380279] Call Trace:
<4>[  916.380280]  <TASK>
<4>[  916.380282]  ? show_regs+0x6c/0x80
<4>[  916.380285]  ? __warn+0x93/0x1c0
<4>[  916.380288]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.380292]  ? report_bug+0x182/0x1b0
<4>[  916.380297]  ? handle_bug+0x6e/0xb0
<4>[  916.380300]  ? exc_invalid_op+0x18/0x80
<4>[  916.380303]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.380312]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.380315]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.380318]  ? mark_held_locks+0x46/0x90
<4>[  916.380329]  __iommu_map+0x119/0x2c0
<4>[  916.380338]  iommu_map_sg+0xbf/0x210
<4>[  916.380345]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.380517]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.382649]  ? irqentry_exit+0x77/0xb0
<4>[  916.382672] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.382823] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.382826] RAX: 0000000000000000 RBX: ffff888113765b68 RCX: 0000000000000000
<4>[  916.382828] RDX: 0000000000000000 RSI: 0000000003d1536d RDI: 0000000000000000
<4>[  916.382829] RBP: ffffc90004807208 R08: 000000000027f76c R09: 0000000000000001
<4>[  916.382831] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de494
<4>[  916.382832] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76c003
<4>[  916.382834] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.382836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.382837] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.382839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.382840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.382841] Call Trace:
<4>[  916.382843]  <TASK>
<4>[  916.382844]  ? show_regs+0x6c/0x80
<4>[  916.382848]  ? __warn+0x93/0x1c0
<4>[  916.382851]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.382855]  ? report_bug+0x182/0x1b0
<4>[  916.382860]  ? handle_bug+0x6e/0xb0
<4>[  916.382863]  ? exc_invalid_op+0x18/0x80
<4>[  916.382865]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.382875]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.382878]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.382908]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.385149]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.385224] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.385379] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.385383] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.385385] RAX: 0000000000000000 RBX: ffff888113765b70 RCX: 0000000000000000
<4>[  916.385386] RDX: 0000000000000000 RSI: 0000000003d1536e RDI: 0000000000000000
<4>[  916.385388] RBP: ffffc90004807208 R08: 000000000027f76d R09: 0000000000000001
<4>[  916.385389] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de493
<4>[  916.385391] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76d003
<4>[  916.385392] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.385394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.385395] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.385397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.385398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.385400] Call Trace:
<4>[  916.385401]  <TASK>
<4>[  916.385403]  ? show_regs+0x6c/0x80
<4>[  916.385406]  ? __warn+0x93/0x1c0
<4>[  916.385410]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.385414]  ? report_bug+0x182/0x1b0
<4>[  916.385419]  ? handle_bug+0x6e/0xb0
<4>[  916.385421]  ? exc_invalid_op+0x18/0x80
<4>[  916.385424]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.385433]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.385437]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.385440]  ? mark_held_locks+0x46/0x90
<4>[  916.385451]  __iommu_map+0x119/0x2c0
<4>[  916.385460]  iommu_map_sg+0xbf/0x210
<4>[  916.385467]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.385477]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.387711]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.387787] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.387943] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.387946] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.387949] RAX: 0000000000000000 RBX: ffff888113765b78 RCX: 0000000000000000
<4>[  916.387950] RDX: 0000000000000000 RSI: 0000000003d1536f RDI: 0000000000000000
<4>[  916.387951] RBP: ffffc90004807208 R08: 000000000027f76e R09: 0000000000000001
<4>[  916.387953] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de492
<4>[  916.387954] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76e003
<4>[  916.387956] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.387958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.387959] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.387961] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.387962] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.387964] Call Trace:
<4>[  916.387965]  <TASK>
<4>[  916.387967]  ? show_regs+0x6c/0x80
<4>[  916.387970]  ? __warn+0x93/0x1c0
<4>[  916.387973]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.387977]  ? report_bug+0x182/0x1b0
<4>[  916.387982]  ? handle_bug+0x6e/0xb0
<4>[  916.387985]  ? exc_invalid_op+0x18/0x80
<4>[  916.387988]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.387997]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.388000]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.388003]  ? mark_held_locks+0x46/0x90
<4>[  916.388014]  __iommu_map+0x119/0x2c0
<4>[  916.388023]  iommu_map_sg+0xbf/0x210
<4>[  916.388031]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.388046]  dma_map_sgtable+0x1d/0x40
<4>[  916.390272]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.390347] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.390502] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.390506] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.390508] RAX: 0000000000000000 RBX: ffff888113765b80 RCX: 0000000000000000
<4>[  916.390510] RDX: 0000000000000000 RSI: 0000000003d15370 RDI: 0000000000000000
<4>[  916.390511] RBP: ffffc90004807208 R08: 000000000027f76f R09: 0000000000000001
<4>[  916.390513] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de491
<4>[  916.390514] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f76f003
<4>[  916.390516] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.390517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.390519] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.390520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.390522] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.390523] Call Trace:
<4>[  916.390524]  <TASK>
<4>[  916.390526]  ? show_regs+0x6c/0x80
<4>[  916.390530]  ? __warn+0x93/0x1c0
<4>[  916.390533]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.390537]  ? report_bug+0x182/0x1b0
<4>[  916.390542]  ? handle_bug+0x6e/0xb0
<4>[  916.390544]  ? exc_invalid_op+0x18/0x80
<4>[  916.390547]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.390556]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.390560]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.390563]  ? mark_held_locks+0x46/0x90
<4>[  916.390574]  __iommu_map+0x119/0x2c0
<4>[  916.390583]  iommu_map_sg+0xbf/0x210
<4>[  916.390595]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.390605]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.392674]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  916.392930]  </TASK>
<4>[  916.392937] softirqs last  enabled at (253519180): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.393070] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.393072] RAX: 0000000000000000 RBX: ffff888113765b88 RCX: 0000000000000000
<4>[  916.393074] RDX: 0000000000000000 RSI: 0000000003d15371 RDI: 0000000000000000
<4>[  916.393075] RBP: ffffc90004807208 R08: 000000000027f770 R09: 0000000000000001
<4>[  916.393077] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de490
<4>[  916.393078] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f770003
<4>[  916.393080] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.393081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.393083] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.393084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.393086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.393087] Call Trace:
<4>[  916.393088]  <TASK>
<4>[  916.393090]  ? show_regs+0x6c/0x80
<4>[  916.393094]  ? __warn+0x93/0x1c0
<4>[  916.393097]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.393101]  ? report_bug+0x182/0x1b0
<4>[  916.393106]  ? handle_bug+0x6e/0xb0
<4>[  916.393108]  ? exc_invalid_op+0x18/0x80
<4>[  916.393111]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.393120]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.393124]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.393126]  ? mark_held_locks+0x46/0x90
<4>[  916.393138]  __iommu_map+0x119/0x2c0
<4>[  916.393147]  iommu_map_sg+0xbf/0x210
<4>[  916.393154]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.393325]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.395453]  ? irqentry_exit+0x77/0xb0
<4>[  916.395476] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.395630] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.395634] RAX: 0000000000000000 RBX: ffff888113765b90 RCX: 0000000000000000
<4>[  916.395636] RDX: 0000000000000000 RSI: 0000000003d15372 RDI: 0000000000000000
<4>[  916.395637] RBP: ffffc90004807208 R08: 000000000027f771 R09: 0000000000000001
<4>[  916.395639] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48f
<4>[  916.395640] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f771003
<4>[  916.395642] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.395644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.395645] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.395647] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.395648] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.395650] Call Trace:
<4>[  916.395651]  <TASK>
<4>[  916.395653]  ? show_regs+0x6c/0x80
<4>[  916.395656]  ? __warn+0x93/0x1c0
<4>[  916.395660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.395664]  ? report_bug+0x182/0x1b0
<4>[  916.395669]  ? handle_bug+0x6e/0xb0
<4>[  916.395671]  ? exc_invalid_op+0x18/0x80
<4>[  916.395674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.395684]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.395687]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.395701]  __iommu_map+0x119/0x2c0
<4>[  916.396816]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  916.398032] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.398192] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.398194] RAX: 0000000000000000 RBX: ffff888113765b98 RCX: 0000000000000000
<4>[  916.398196] RDX: 0000000000000000 RSI: 0000000003d15373 RDI: 0000000000000000
<4>[  916.398197] RBP: ffffc90004807208 R08: 000000000027f772 R09: 0000000000000001
<4>[  916.398199] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48e
<4>[  916.398200] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f772003
<4>[  916.398202] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.398203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.398205] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.398206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.398208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.398209] Call Trace:
<4>[  916.398211]  <TASK>
<4>[  916.398212]  ? show_regs+0x6c/0x80
<4>[  916.398216]  ? __warn+0x93/0x1c0
<4>[  916.398219]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.398223]  ? report_bug+0x182/0x1b0
<4>[  916.398228]  ? handle_bug+0x6e/0xb0
<4>[  916.398230]  ? exc_invalid_op+0x18/0x80
<4>[  916.398233]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.398242]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.398246]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.398249]  ? mark_held_locks+0x46/0x90
<4>[  916.398260]  __iommu_map+0x119/0x2c0
<4>[  916.399696]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.400599] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.400757] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.400761] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.400763] RAX: 0000000000000000 RBX: ffff888113765ba0 RCX: 0000000000000000
<4>[  916.400764] RDX: 0000000000000000 RSI: 0000000003d15374 RDI: 0000000000000000
<4>[  916.400766] RBP: ffffc90004807208 R08: 000000000027f773 R09: 0000000000000001
<4>[  916.400767] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48d
<4>[  916.400769] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f773003
<4>[  916.400770] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.400772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.400774] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.400775] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.400777] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.400778] Call Trace:
<4>[  916.400779]  <TASK>
<4>[  916.400781]  ? show_regs+0x6c/0x80
<4>[  916.400784]  ? __warn+0x93/0x1c0
<4>[  916.400788]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.400791]  ? report_bug+0x182/0x1b0
<4>[  916.400797]  ? handle_bug+0x6e/0xb0
<4>[  916.400799]  ? exc_invalid_op+0x18/0x80
<4>[  916.400802]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.400811]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.400815]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.400818]  ? mark_held_locks+0x46/0x90
<4>[  916.400829]  __iommu_map+0x119/0x2c0
<4>[  916.400838]  iommu_map_sg+0xbf/0x210
<4>[  916.400845]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.400855]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.403078]  ? lock_is_held_type+0xa3/0x130
<4>[  916.403161] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.403320] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.403323] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.403326] RAX: 0000000000000000 RBX: ffff888113765ba8 RCX: 0000000000000000
<4>[  916.403327] RDX: 0000000000000000 RSI: 0000000003d15375 RDI: 0000000000000000
<4>[  916.403329] RBP: ffffc90004807208 R08: 000000000027f774 R09: 0000000000000001
<4>[  916.403330] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48c
<4>[  916.403331] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f774003
<4>[  916.403333] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.403335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.403336] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.403338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.403339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.403341] Call Trace:
<4>[  916.403342]  <TASK>
<4>[  916.403344]  ? show_regs+0x6c/0x80
<4>[  916.403347]  ? __warn+0x93/0x1c0
<4>[  916.403350]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.403354]  ? report_bug+0x182/0x1b0
<4>[  916.403359]  ? handle_bug+0x6e/0xb0
<4>[  916.403362]  ? exc_invalid_op+0x18/0x80
<4>[  916.403365]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.403374]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.403377]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.403380]  ? mark_held_locks+0x46/0x90
<4>[  916.403391]  __iommu_map+0x119/0x2c0
<4>[  916.403401]  iommu_map_sg+0xbf/0x210
<4>[  916.403408]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.403418]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.405660]  x64_sys_call+0x131e/0x2650
<4>[  916.405731] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.405889] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.405892] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.405895] RAX: 0000000000000000 RBX: ffff888113765bb0 RCX: 0000000000000000
<4>[  916.405896] RDX: 0000000000000000 RSI: 0000000003d15376 RDI: 0000000000000000
<4>[  916.405898] RBP: ffffc90004807208 R08: 000000000027f775 R09: 0000000000000001
<4>[  916.405899] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48b
<4>[  916.405901] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f775003
<4>[  916.405902] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.405904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.405905] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.405907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.405908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.405910] Call Trace:
<4>[  916.405911]  <TASK>
<4>[  916.405913]  ? show_regs+0x6c/0x80
<4>[  916.405916]  ? __warn+0x93/0x1c0
<4>[  916.405919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.405923]  ? report_bug+0x182/0x1b0
<4>[  916.405928]  ? handle_bug+0x6e/0xb0
<4>[  916.405931]  ? exc_invalid_op+0x18/0x80
<4>[  916.405934]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.405943]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.405946]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.405949]  ? mark_held_locks+0x46/0x90
<4>[  916.405960]  __iommu_map+0x119/0x2c0
<4>[  916.405970]  iommu_map_sg+0xbf/0x210
<4>[  916.405977]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.405987]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.408213]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.408288] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.408443] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.408447] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.408449] RAX: 0000000000000000 RBX: ffff888113765bb8 RCX: 0000000000000000
<4>[  916.408450] RDX: 0000000000000000 RSI: 0000000003d15377 RDI: 0000000000000000
<4>[  916.408452] RBP: ffffc90004807208 R08: 000000000027f776 R09: 0000000000000001
<4>[  916.408453] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de48a
<4>[  916.408455] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f776003
<4>[  916.408456] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.408458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.408460] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.408461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.408463] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.408464] Call Trace:
<4>[  916.408465]  <TASK>
<4>[  916.408467]  ? show_regs+0x6c/0x80
<4>[  916.408471]  ? __warn+0x93/0x1c0
<4>[  916.408474]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.408478]  ? report_bug+0x182/0x1b0
<4>[  916.408483]  ? handle_bug+0x6e/0xb0
<4>[  916.408485]  ? exc_invalid_op+0x18/0x80
<4>[  916.408488]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.408497]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.408501]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.408504]  ? mark_held_locks+0x46/0x90
<4>[  916.408515]  __iommu_map+0x119/0x2c0
<4>[  916.408524]  iommu_map_sg+0xbf/0x210
<4>[  916.408531]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.408541]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.410775]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.410848] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.411008] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.411010] RAX: 0000000000000000 RBX: ffff888113765bc0 RCX: 0000000000000000
<4>[  916.411011] RDX: 0000000000000000 RSI: 0000000003d15378 RDI: 0000000000000000
<4>[  916.411013] RBP: ffffc90004807208 R08: 000000000027f777 R09: 0000000000000001
<4>[  916.411014] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de489
<4>[  916.411016] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f777003
<4>[  916.411017] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.411019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.411021] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.411022] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.411023] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.411025] Call Trace:
<4>[  916.411026]  <TASK>
<4>[  916.411028]  ? show_regs+0x6c/0x80
<4>[  916.411031]  ? __warn+0x93/0x1c0
<4>[  916.411035]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.411038]  ? report_bug+0x182/0x1b0
<4>[  916.411044]  ? handle_bug+0x6e/0xb0
<4>[  916.411046]  ? exc_invalid_op+0x18/0x80
<4>[  916.411049]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.411058]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.411062]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.411065]  ? mark_held_locks+0x46/0x90
<4>[  916.411076]  __iommu_map+0x119/0x2c0
<4>[  916.412503]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.413405] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.413560] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.413564] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.413566] RAX: 0000000000000000 RBX: ffff888113765bc8 RCX: 0000000000000000
<4>[  916.413567] RDX: 0000000000000000 RSI: 0000000003d15379 RDI: 0000000000000000
<4>[  916.413569] RBP: ffffc90004807208 R08: 000000000027f778 R09: 0000000000000001
<4>[  916.413570] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de488
<4>[  916.413572] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f778003
<4>[  916.413573] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.413575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.413577] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.413578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.413580] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.413581] Call Trace:
<4>[  916.413582]  <TASK>
<4>[  916.413589]  ? show_regs+0x6c/0x80
<4>[  916.413593]  ? __warn+0x93/0x1c0
<4>[  916.413596]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.413600]  ? report_bug+0x182/0x1b0
<4>[  916.413605]  ? handle_bug+0x6e/0xb0
<4>[  916.413607]  ? exc_invalid_op+0x18/0x80
<4>[  916.413610]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.413619]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.413623]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.413626]  ? mark_held_locks+0x46/0x90
<4>[  916.413637]  __iommu_map+0x119/0x2c0
<4>[  916.413646]  iommu_map_sg+0xbf/0x210
<4>[  916.413653]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.413663]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.415882]  ? lock_is_held_type+0xa3/0x130
<4>[  916.415963] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.416118] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.416121] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.416124] RAX: 0000000000000000 RBX: ffff888113765bd0 RCX: 0000000000000000
<4>[  916.416125] RDX: 0000000000000000 RSI: 0000000003d1537a RDI: 0000000000000000
<4>[  916.416126] RBP: ffffc90004807208 R08: 000000000027f779 R09: 0000000000000001
<4>[  916.416128] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de487
<4>[  916.416129] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f779003
<4>[  916.416131] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.416133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.416134] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.416136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.416137] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.416139] Call Trace:
<4>[  916.416140]  <TASK>
<4>[  916.416142]  ? show_regs+0x6c/0x80
<4>[  916.416145]  ? __warn+0x93/0x1c0
<4>[  916.416148]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.416152]  ? report_bug+0x182/0x1b0
<4>[  916.416157]  ? handle_bug+0x6e/0xb0
<4>[  916.416160]  ? exc_invalid_op+0x18/0x80
<4>[  916.416163]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.416172]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.416175]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.416178]  ? mark_held_locks+0x46/0x90
<4>[  916.416189]  __iommu_map+0x119/0x2c0
<4>[  916.416199]  iommu_map_sg+0xbf/0x210
<4>[  916.416206]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.416225]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.418503]  ? irqentry_exit+0x77/0xb0
<4>[  916.418527] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.418682] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.418686] RAX: 0000000000000000 RBX: ffff888113765bd8 RCX: 0000000000000000
<4>[  916.418688] RDX: 0000000000000000 RSI: 0000000003d1537b RDI: 0000000000000000
<4>[  916.418689] RBP: ffffc90004807208 R08: 000000000027f77a R09: 0000000000000001
<4>[  916.418691] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de486
<4>[  916.418692] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77a003
<4>[  916.418694] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.418695] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.418697] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.418699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.418700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.418702] Call Trace:
<4>[  916.418703]  <TASK>
<4>[  916.418705]  ? show_regs+0x6c/0x80
<4>[  916.418708]  ? __warn+0x93/0x1c0
<4>[  916.418712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.418716]  ? report_bug+0x182/0x1b0
<4>[  916.418721]  ? handle_bug+0x6e/0xb0
<4>[  916.418723]  ? exc_invalid_op+0x18/0x80
<4>[  916.418726]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.418735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.418739]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.418753]  __iommu_map+0x119/0x2c0
<4>[  916.420180]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.421083] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.421238] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.421242] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.421244] RAX: 0000000000000000 RBX: ffff888113765be0 RCX: 0000000000000000
<4>[  916.421246] RDX: 0000000000000000 RSI: 0000000003d1537c RDI: 0000000000000000
<4>[  916.421247] RBP: ffffc90004807208 R08: 000000000027f77b R09: 0000000000000001
<4>[  916.421249] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de485
<4>[  916.421250] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77b003
<4>[  916.421252] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.421253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.421255] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.421256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.421258] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.421259] Call Trace:
<4>[  916.421261]  <TASK>
<4>[  916.421262]  ? show_regs+0x6c/0x80
<4>[  916.421266]  ? __warn+0x93/0x1c0
<4>[  916.421269]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.421273]  ? report_bug+0x182/0x1b0
<4>[  916.421278]  ? handle_bug+0x6e/0xb0
<4>[  916.421280]  ? exc_invalid_op+0x18/0x80
<4>[  916.421283]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.421292]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.421296]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.421299]  ? mark_held_locks+0x46/0x90
<4>[  916.421310]  __iommu_map+0x119/0x2c0
<4>[  916.421319]  iommu_map_sg+0xbf/0x210
<4>[  916.421326]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.421342]  dma_map_sgtable+0x1d/0x40
<4>[  916.423562]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.423643] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.423799] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.423802] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.423804] RAX: 0000000000000000 RBX: ffff888113765be8 RCX: 0000000000000000
<4>[  916.423806] RDX: 0000000000000000 RSI: 0000000003d1537d RDI: 0000000000000000
<4>[  916.423807] RBP: ffffc90004807208 R08: 000000000027f77c R09: 0000000000000001
<4>[  916.423809] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de484
<4>[  916.423810] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77c003
<4>[  916.423812] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.423814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.423815] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.423817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.423818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.423819] Call Trace:
<4>[  916.423821]  <TASK>
<4>[  916.423822]  ? show_regs+0x6c/0x80
<4>[  916.423826]  ? __warn+0x93/0x1c0
<4>[  916.423829]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.423833]  ? report_bug+0x182/0x1b0
<4>[  916.423838]  ? handle_bug+0x6e/0xb0
<4>[  916.423841]  ? exc_invalid_op+0x18/0x80
<4>[  916.423844]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.423853]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.423857]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.423860]  ? mark_held_locks+0x46/0x90
<4>[  916.423871]  __iommu_map+0x119/0x2c0
<4>[  916.423880]  iommu_map_sg+0xbf/0x210
<4>[  916.423887]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.423897]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.426125]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.426200] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.426354] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.426358] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.426360] RAX: 0000000000000000 RBX: ffff888113765bf0 RCX: 0000000000000000
<4>[  916.426361] RDX: 0000000000000000 RSI: 0000000003d1537e RDI: 0000000000000000
<4>[  916.426363] RBP: ffffc90004807208 R08: 000000000027f77d R09: 0000000000000001
<4>[  916.426364] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de483
<4>[  916.426366] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77d003
<4>[  916.426367] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.426369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.426371] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.426372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.426374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.426375] Call Trace:
<4>[  916.426376]  <TASK>
<4>[  916.426378]  ? show_regs+0x6c/0x80
<4>[  916.426381]  ? __warn+0x93/0x1c0
<4>[  916.426385]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.426389]  ? report_bug+0x182/0x1b0
<4>[  916.426394]  ? handle_bug+0x6e/0xb0
<4>[  916.426396]  ? exc_invalid_op+0x18/0x80
<4>[  916.426399]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.426408]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.426412]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.426415]  ? mark_held_locks+0x46/0x90
<4>[  916.426426]  __iommu_map+0x119/0x2c0
<4>[  916.426435]  iommu_map_sg+0xbf/0x210
<4>[  916.426442]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.426452]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.428685]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.428760] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.428916] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.428920] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.428922] RAX: 0000000000000000 RBX: ffff888113765bf8 RCX: 0000000000000000
<4>[  916.428923] RDX: 0000000000000000 RSI: 0000000003d1537f RDI: 0000000000000000
<4>[  916.428925] RBP: ffffc90004807208 R08: 000000000027f77e R09: 0000000000000001
<4>[  916.428926] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de482
<4>[  916.428928] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77e003
<4>[  916.428929] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.428931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.428933] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.428934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.428936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.428937] Call Trace:
<4>[  916.428938]  <TASK>
<4>[  916.428940]  ? show_regs+0x6c/0x80
<4>[  916.428943]  ? __warn+0x93/0x1c0
<4>[  916.428947]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.428950]  ? report_bug+0x182/0x1b0
<4>[  916.428955]  ? handle_bug+0x6e/0xb0
<4>[  916.428958]  ? exc_invalid_op+0x18/0x80
<4>[  916.428961]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.428970]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.428973]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.428976]  ? mark_held_locks+0x46/0x90
<4>[  916.428988]  __iommu_map+0x119/0x2c0
<4>[  916.428997]  iommu_map_sg+0xbf/0x210
<4>[  916.429004]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.429014]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.431241]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.431315] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.431470] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.431473] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.431476] RAX: 0000000000000000 RBX: ffff888113765c00 RCX: 0000000000000000
<4>[  916.431477] RDX: 0000000000000000 RSI: 0000000003d15380 RDI: 0000000000000000
<4>[  916.431478] RBP: ffffc90004807208 R08: 000000000027f77f R09: 0000000000000001
<4>[  916.431480] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de481
<4>[  916.431481] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f77f003
<4>[  916.431483] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.431485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.431486] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.431488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.431489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.431491] Call Trace:
<4>[  916.431492]  <TASK>
<4>[  916.431494]  ? show_regs+0x6c/0x80
<4>[  916.431497]  ? __warn+0x93/0x1c0
<4>[  916.431500]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.431504]  ? report_bug+0x182/0x1b0
<4>[  916.431509]  ? handle_bug+0x6e/0xb0
<4>[  916.431512]  ? exc_invalid_op+0x18/0x80
<4>[  916.431515]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.431524]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.431527]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.431530]  ? mark_held_locks+0x46/0x90
<4>[  916.431541]  __iommu_map+0x119/0x2c0
<4>[  916.431550]  iommu_map_sg+0xbf/0x210
<4>[  916.431557]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.431567]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.433802]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.433877] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.434031] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.434035] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.434037] RAX: 0000000000000000 RBX: ffff888113765c08 RCX: 0000000000000000
<4>[  916.434039] RDX: 0000000000000000 RSI: 0000000003d15381 RDI: 0000000000000000
<4>[  916.434040] RBP: ffffc90004807208 R08: 000000000027f780 R09: 0000000000000001
<4>[  916.434041] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de480
<4>[  916.434043] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f780003
<4>[  916.434045] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.434046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.434048] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.434049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.434051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.434052] Call Trace:
<4>[  916.434053]  <TASK>
<4>[  916.434055]  ? show_regs+0x6c/0x80
<4>[  916.434059]  ? __warn+0x93/0x1c0
<4>[  916.434062]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.434066]  ? report_bug+0x182/0x1b0
<4>[  916.434071]  ? handle_bug+0x6e/0xb0
<4>[  916.434073]  ? exc_invalid_op+0x18/0x80
<4>[  916.434076]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.434085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.434089]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.434092]  ? mark_held_locks+0x46/0x90
<4>[  916.434103]  __iommu_map+0x119/0x2c0
<4>[  916.434112]  iommu_map_sg+0xbf/0x210
<4>[  916.434119]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.434135]  dma_map_sgtable+0x1d/0x40
<4>[  916.436358]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.436432] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.436593] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.436596] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.436599] RAX: 0000000000000000 RBX: ffff888113765c10 RCX: 0000000000000000
<4>[  916.436600] RDX: 0000000000000000 RSI: 0000000003d15382 RDI: 0000000000000000
<4>[  916.436601] RBP: ffffc90004807208 R08: 000000000027f781 R09: 0000000000000001
<4>[  916.436603] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47f
<4>[  916.436604] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f781003
<4>[  916.436606] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.436608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.436609] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.436611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.436612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.436614] Call Trace:
<4>[  916.436615]  <TASK>
<4>[  916.436617]  ? show_regs+0x6c/0x80
<4>[  916.436620]  ? __warn+0x93/0x1c0
<4>[  916.436623]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.436627]  ? report_bug+0x182/0x1b0
<4>[  916.436632]  ? handle_bug+0x6e/0xb0
<4>[  916.436635]  ? exc_invalid_op+0x18/0x80
<4>[  916.436638]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.436647]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.436651]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.436654]  ? mark_held_locks+0x46/0x90
<4>[  916.436665]  __iommu_map+0x119/0x2c0
<4>[  916.436674]  iommu_map_sg+0xbf/0x210
<4>[  916.436681]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.436691]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.438749]  drm_ioctl_kernel+0xb2/0x120
<4>[  916.438993] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.439154] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.439156] RAX: 0000000000000000 RBX: ffff888113765c18 RCX: 0000000000000000
<4>[  916.439158] RDX: 0000000000000000 RSI: 0000000003d15383 RDI: 0000000000000000
<4>[  916.439159] RBP: ffffc90004807208 R08: 000000000027f782 R09: 0000000000000001
<4>[  916.439161] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47e
<4>[  916.439162] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f782003
<4>[  916.439164] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.439165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.439167] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.439168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.439170] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.439171] Call Trace:
<4>[  916.439173]  <TASK>
<4>[  916.439174]  ? show_regs+0x6c/0x80
<4>[  916.439178]  ? __warn+0x93/0x1c0
<4>[  916.439181]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.439185]  ? report_bug+0x182/0x1b0
<4>[  916.439190]  ? handle_bug+0x6e/0xb0
<4>[  916.439193]  ? exc_invalid_op+0x18/0x80
<4>[  916.439195]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.439205]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.439208]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.439211]  ? mark_held_locks+0x46/0x90
<4>[  916.439222]  __iommu_map+0x119/0x2c0
<4>[  916.440335]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  916.441549] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.441711] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.441715] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.441717] RAX: 0000000000000000 RBX: ffff888113765c20 RCX: 0000000000000000
<4>[  916.441719] RDX: 0000000000000000 RSI: 0000000003d15384 RDI: 0000000000000000
<4>[  916.441720] RBP: ffffc90004807208 R08: 000000000027f783 R09: 0000000000000001
<4>[  916.441721] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47d
<4>[  916.441723] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f783003
<4>[  916.441724] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.441726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.441728] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.441729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.441731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.441732] Call Trace:
<4>[  916.441733]  <TASK>
<4>[  916.441735]  ? show_regs+0x6c/0x80
<4>[  916.441739]  ? __warn+0x93/0x1c0
<4>[  916.441742]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.441746]  ? report_bug+0x182/0x1b0
<4>[  916.441751]  ? handle_bug+0x6e/0xb0
<4>[  916.441753]  ? exc_invalid_op+0x18/0x80
<4>[  916.441756]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.441765]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.441769]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.441772]  ? mark_held_locks+0x46/0x90
<4>[  916.441783]  __iommu_map+0x119/0x2c0
<4>[  916.441792]  iommu_map_sg+0xbf/0x210
<4>[  916.441799]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.441809]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.444037]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.444112] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.444267] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.444270] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.444272] RAX: 0000000000000000 RBX: ffff888113765c28 RCX: 0000000000000000
<4>[  916.444274] RDX: 0000000000000000 RSI: 0000000003d15385 RDI: 0000000000000000
<4>[  916.444275] RBP: ffffc90004807208 R08: 000000000027f784 R09: 0000000000000001
<4>[  916.444277] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47c
<4>[  916.444278] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f784003
<4>[  916.444280] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.444282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.444283] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.444285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.444286] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.444288] Call Trace:
<4>[  916.444289]  <TASK>
<4>[  916.444291]  ? show_regs+0x6c/0x80
<4>[  916.444294]  ? __warn+0x93/0x1c0
<4>[  916.444297]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.444301]  ? report_bug+0x182/0x1b0
<4>[  916.444306]  ? handle_bug+0x6e/0xb0
<4>[  916.444309]  ? exc_invalid_op+0x18/0x80
<4>[  916.444312]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.444321]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.444324]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.444327]  ? mark_held_locks+0x46/0x90
<4>[  916.444338]  __iommu_map+0x119/0x2c0
<4>[  916.444347]  iommu_map_sg+0xbf/0x210
<4>[  916.444355]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.444365]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.446596]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.446671] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.446827] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.446831] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.446833] RAX: 0000000000000000 RBX: ffff888113765c30 RCX: 0000000000000000
<4>[  916.446835] RDX: 0000000000000000 RSI: 0000000003d15386 RDI: 0000000000000000
<4>[  916.446836] RBP: ffffc90004807208 R08: 000000000027f785 R09: 0000000000000001
<4>[  916.446838] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47b
<4>[  916.446839] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f785003
<4>[  916.446841] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.446842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.446844] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.446845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.446847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.446848] Call Trace:
<4>[  916.446849]  <TASK>
<4>[  916.446851]  ? show_regs+0x6c/0x80
<4>[  916.446855]  ? __warn+0x93/0x1c0
<4>[  916.446858]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.446862]  ? report_bug+0x182/0x1b0
<4>[  916.446867]  ? handle_bug+0x6e/0xb0
<4>[  916.446869]  ? exc_invalid_op+0x18/0x80
<4>[  916.446872]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.446881]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.446885]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.446888]  ? mark_held_locks+0x46/0x90
<4>[  916.446899]  __iommu_map+0x119/0x2c0
<4>[  916.446908]  iommu_map_sg+0xbf/0x210
<4>[  916.446915]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.446925]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.449153]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.449226] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.449385] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.449388] RAX: 0000000000000000 RBX: ffff888113765c38 RCX: 0000000000000000
<4>[  916.449389] RDX: 0000000000000000 RSI: 0000000003d15387 RDI: 0000000000000000
<4>[  916.449391] RBP: ffffc90004807208 R08: 000000000027f786 R09: 0000000000000001
<4>[  916.449392] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de47a
<4>[  916.449394] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f786003
<4>[  916.449395] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.449397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.449398] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.449400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.449401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.449403] Call Trace:
<4>[  916.449404]  <TASK>
<4>[  916.449406]  ? show_regs+0x6c/0x80
<4>[  916.449409]  ? __warn+0x93/0x1c0
<4>[  916.449412]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.449416]  ? report_bug+0x182/0x1b0
<4>[  916.449421]  ? handle_bug+0x6e/0xb0
<4>[  916.449424]  ? exc_invalid_op+0x18/0x80
<4>[  916.449427]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.449436]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.449439]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.449442]  ? mark_held_locks+0x46/0x90
<4>[  916.449454]  __iommu_map+0x119/0x2c0
<4>[  916.449960]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  916.451775]  ? clear_bhb_loop+0x15/0x70
<4>[  916.451808]  </TASK>
<4>[  916.451815] softirqs last  enabled at (253611604): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.451947] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.451950] RAX: 0000000000000000 RBX: ffff888113765c40 RCX: 0000000000000000
<4>[  916.451951] RDX: 0000000000000000 RSI: 0000000003d15388 RDI: 0000000000000000
<4>[  916.451953] RBP: ffffc90004807208 R08: 000000000027f787 R09: 0000000000000001
<4>[  916.451954] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de479
<4>[  916.451956] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f787003
<4>[  916.451957] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.451959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.451960] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.451962] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.451963] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.451965] Call Trace:
<4>[  916.451966]  <TASK>
<4>[  916.451968]  ? show_regs+0x6c/0x80
<4>[  916.451971]  ? __warn+0x93/0x1c0
<4>[  916.451974]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.451978]  ? report_bug+0x182/0x1b0
<4>[  916.451983]  ? handle_bug+0x6e/0xb0
<4>[  916.451986]  ? exc_invalid_op+0x18/0x80
<4>[  916.451989]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.451998]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.452001]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.452004]  ? mark_held_locks+0x46/0x90
<4>[  916.452015]  __iommu_map+0x119/0x2c0
<4>[  916.452024]  iommu_map_sg+0xbf/0x210
<4>[  916.452031]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.452357]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.454329]  ? irqentry_exit+0x77/0xb0
<4>[  916.454352] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.454503] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.454507] RAX: 0000000000000000 RBX: ffff888113765c48 RCX: 0000000000000000
<4>[  916.454508] RDX: 0000000000000000 RSI: 0000000003d15389 RDI: 0000000000000000
<4>[  916.454510] RBP: ffffc90004807208 R08: 000000000027f788 R09: 0000000000000001
<4>[  916.454511] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de478
<4>[  916.454512] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f788003
<4>[  916.454514] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.454516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.454517] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.454519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.454520] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.454522] Call Trace:
<4>[  916.454523]  <TASK>
<4>[  916.454525]  ? show_regs+0x6c/0x80
<4>[  916.454528]  ? __warn+0x93/0x1c0
<4>[  916.454531]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.454535]  ? report_bug+0x182/0x1b0
<4>[  916.454540]  ? handle_bug+0x6e/0xb0
<4>[  916.454543]  ? exc_invalid_op+0x18/0x80
<4>[  916.454546]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.454555]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.454558]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.454594]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.456833]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.456907] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.457062] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.457066] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.457068] RAX: 0000000000000000 RBX: ffff888113765c50 RCX: 0000000000000000
<4>[  916.457069] RDX: 0000000000000000 RSI: 0000000003d1538a RDI: 0000000000000000
<4>[  916.457071] RBP: ffffc90004807208 R08: 000000000027f789 R09: 0000000000000001
<4>[  916.457072] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de477
<4>[  916.457074] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f789003
<4>[  916.457075] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.457077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.457078] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.457080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.457081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.457083] Call Trace:
<4>[  916.457084]  <TASK>
<4>[  916.457086]  ? show_regs+0x6c/0x80
<4>[  916.457089]  ? __warn+0x93/0x1c0
<4>[  916.457093]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.457096]  ? report_bug+0x182/0x1b0
<4>[  916.457102]  ? handle_bug+0x6e/0xb0
<4>[  916.457104]  ? exc_invalid_op+0x18/0x80
<4>[  916.457107]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.457116]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.457119]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.457122]  ? mark_held_locks+0x46/0x90
<4>[  916.457134]  __iommu_map+0x119/0x2c0
<4>[  916.457143]  iommu_map_sg+0xbf/0x210
<4>[  916.457150]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.457160]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.459389]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.459463] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.459623] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.459627] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.459629] RAX: 0000000000000000 RBX: ffff888113765c58 RCX: 0000000000000000
<4>[  916.459631] RDX: 0000000000000000 RSI: 0000000003d1538b RDI: 0000000000000000
<4>[  916.459632] RBP: ffffc90004807208 R08: 000000000027f78a R09: 0000000000000001
<4>[  916.459633] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de476
<4>[  916.459635] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78a003
<4>[  916.459636] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.459638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.459640] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.459641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.459643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.459644] Call Trace:
<4>[  916.459646]  <TASK>
<4>[  916.459648]  ? show_regs+0x6c/0x80
<4>[  916.459651]  ? __warn+0x93/0x1c0
<4>[  916.459654]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.459658]  ? report_bug+0x182/0x1b0
<4>[  916.459663]  ? handle_bug+0x6e/0xb0
<4>[  916.459666]  ? exc_invalid_op+0x18/0x80
<4>[  916.459669]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.459678]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.459682]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.459685]  ? mark_held_locks+0x46/0x90
<4>[  916.459696]  __iommu_map+0x119/0x2c0
<4>[  916.459705]  iommu_map_sg+0xbf/0x210
<4>[  916.459712]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.459722]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.461949]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.462024] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.462179] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.462182] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.462185] RAX: 0000000000000000 RBX: ffff888113765c60 RCX: 0000000000000000
<4>[  916.462186] RDX: 0000000000000000 RSI: 0000000003d1538c RDI: 0000000000000000
<4>[  916.462188] RBP: ffffc90004807208 R08: 000000000027f78b R09: 0000000000000001
<4>[  916.462189] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de475
<4>[  916.462191] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78b003
<4>[  916.462192] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.462194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.462196] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.462197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.462199] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.462200] Call Trace:
<4>[  916.462201]  <TASK>
<4>[  916.462203]  ? show_regs+0x6c/0x80
<4>[  916.462206]  ? __warn+0x93/0x1c0
<4>[  916.462210]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.462213]  ? report_bug+0x182/0x1b0
<4>[  916.462219]  ? handle_bug+0x6e/0xb0
<4>[  916.462221]  ? exc_invalid_op+0x18/0x80
<4>[  916.462224]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.462233]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.462236]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.462239]  ? mark_held_locks+0x46/0x90
<4>[  916.462251]  __iommu_map+0x119/0x2c0
<4>[  916.462260]  iommu_map_sg+0xbf/0x210
<4>[  916.462267]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.462285]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.464563]  ? irqentry_exit+0x77/0xb0
<4>[  916.464603]  </TASK>
<4>[  916.464610] softirqs last  enabled at (253632408): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.464743] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.464745] RAX: 0000000000000000 RBX: ffff888113765c68 RCX: 0000000000000000
<4>[  916.464746] RDX: 0000000000000000 RSI: 0000000003d1538d RDI: 0000000000000000
<4>[  916.464748] RBP: ffffc90004807208 R08: 000000000027f78c R09: 0000000000000001
<4>[  916.464749] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de474
<4>[  916.464751] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78c003
<4>[  916.464752] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.464754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.464755] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.464757] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.464758] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.464760] Call Trace:
<4>[  916.464761]  <TASK>
<4>[  916.464763]  ? show_regs+0x6c/0x80
<4>[  916.464766]  ? __warn+0x93/0x1c0
<4>[  916.464769]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.464773]  ? report_bug+0x182/0x1b0
<4>[  916.464778]  ? handle_bug+0x6e/0xb0
<4>[  916.464781]  ? exc_invalid_op+0x18/0x80
<4>[  916.464784]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.464793]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.464796]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.464799]  ? mark_held_locks+0x46/0x90
<4>[  916.464811]  __iommu_map+0x119/0x2c0
<4>[  916.464820]  iommu_map_sg+0xbf/0x210
<4>[  916.464827]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.464842]  dma_map_sgtable+0x1d/0x40
<4>[  916.467066]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.467141] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.467296] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.467299] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.467301] RAX: 0000000000000000 RBX: ffff888113765c70 RCX: 0000000000000000
<4>[  916.467303] RDX: 0000000000000000 RSI: 0000000003d1538e RDI: 0000000000000000
<4>[  916.467304] RBP: ffffc90004807208 R08: 000000000027f78d R09: 0000000000000001
<4>[  916.467306] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de473
<4>[  916.467307] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78d003
<4>[  916.467309] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.467311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.467312] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.467314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.467315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.467317] Call Trace:
<4>[  916.467318]  <TASK>
<4>[  916.467319]  ? show_regs+0x6c/0x80
<4>[  916.467323]  ? __warn+0x93/0x1c0
<4>[  916.467326]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.467330]  ? report_bug+0x182/0x1b0
<4>[  916.467335]  ? handle_bug+0x6e/0xb0
<4>[  916.467337]  ? exc_invalid_op+0x18/0x80
<4>[  916.467340]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.467350]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.467353]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.467356]  ? mark_held_locks+0x46/0x90
<4>[  916.467367]  __iommu_map+0x119/0x2c0
<4>[  916.467376]  iommu_map_sg+0xbf/0x210
<4>[  916.467383]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.467398]  dma_map_sgtable+0x1d/0x40
<4>[  916.469627]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.469702] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.469858] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.469861] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.469863] RAX: 0000000000000000 RBX: ffff888113765c78 RCX: 0000000000000000
<4>[  916.469865] RDX: 0000000000000000 RSI: 0000000003d1538f RDI: 0000000000000000
<4>[  916.469866] RBP: ffffc90004807208 R08: 000000000027f78e R09: 0000000000000001
<4>[  916.469868] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de472
<4>[  916.469869] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78e003
<4>[  916.469871] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.469873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.469874] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.469876] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.469877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.469879] Call Trace:
<4>[  916.469880]  <TASK>
<4>[  916.469882]  ? show_regs+0x6c/0x80
<4>[  916.469885]  ? __warn+0x93/0x1c0
<4>[  916.469888]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.469892]  ? report_bug+0x182/0x1b0
<4>[  916.469897]  ? handle_bug+0x6e/0xb0
<4>[  916.469900]  ? exc_invalid_op+0x18/0x80
<4>[  916.469903]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.469912]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.469915]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.469918]  ? mark_held_locks+0x46/0x90
<4>[  916.469929]  __iommu_map+0x119/0x2c0
<4>[  916.469939]  iommu_map_sg+0xbf/0x210
<4>[  916.469946]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.469956]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.472184]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.472258] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.472414] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.472417] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.472419] RAX: 0000000000000000 RBX: ffff888113765c80 RCX: 0000000000000000
<4>[  916.472421] RDX: 0000000000000000 RSI: 0000000003d15390 RDI: 0000000000000000
<4>[  916.472422] RBP: ffffc90004807208 R08: 000000000027f78f R09: 0000000000000001
<4>[  916.472424] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de471
<4>[  916.472425] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f78f003
<4>[  916.472427] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.472429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.472430] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.472432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.472433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.472435] Call Trace:
<4>[  916.472436]  <TASK>
<4>[  916.472438]  ? show_regs+0x6c/0x80
<4>[  916.472441]  ? __warn+0x93/0x1c0
<4>[  916.472444]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.472448]  ? report_bug+0x182/0x1b0
<4>[  916.472453]  ? handle_bug+0x6e/0xb0
<4>[  916.472456]  ? exc_invalid_op+0x18/0x80
<4>[  916.472459]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.472468]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.472471]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.472474]  ? mark_held_locks+0x46/0x90
<4>[  916.472485]  __iommu_map+0x119/0x2c0
<4>[  916.472494]  iommu_map_sg+0xbf/0x210
<4>[  916.472501]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.472511]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.474745]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.474821] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.474977] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.474980] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.474982] RAX: 0000000000000000 RBX: ffff888113765c88 RCX: 0000000000000000
<4>[  916.474984] RDX: 0000000000000000 RSI: 0000000003d15391 RDI: 0000000000000000
<4>[  916.474985] RBP: ffffc90004807208 R08: 000000000027f790 R09: 0000000000000001
<4>[  916.474987] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de470
<4>[  916.474988] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f790003
<4>[  916.474990] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.474992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.474993] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.474995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.474996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.474998] Call Trace:
<4>[  916.474999]  <TASK>
<4>[  916.475000]  ? show_regs+0x6c/0x80
<4>[  916.475004]  ? __warn+0x93/0x1c0
<4>[  916.475007]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.475011]  ? report_bug+0x182/0x1b0
<4>[  916.475016]  ? handle_bug+0x6e/0xb0
<4>[  916.475019]  ? exc_invalid_op+0x18/0x80
<4>[  916.475022]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.475031]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.475034]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.475037]  ? mark_held_locks+0x46/0x90
<4>[  916.475048]  __iommu_map+0x119/0x2c0
<4>[  916.475057]  iommu_map_sg+0xbf/0x210
<4>[  916.475064]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.475546]  ? lock_acquire+0xc9/0x300
<4>[  916.477330]  ? lock_release+0xd4/0x2b0
<4>[  916.477379] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000719556d24ded
<4>[  916.477531] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.477534] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.477537] RAX: 0000000000000000 RBX: ffff888113765c90 RCX: 0000000000000000
<4>[  916.477538] RDX: 0000000000000000 RSI: 0000000003d15392 RDI: 0000000000000000
<4>[  916.477540] RBP: ffffc90004807208 R08: 000000000027f791 R09: 0000000000000001
<4>[  916.477541] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46f
<4>[  916.477542] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f791003
<4>[  916.477544] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.477546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.477547] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.477549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.477550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.477552] Call Trace:
<4>[  916.477553]  <TASK>
<4>[  916.477555]  ? show_regs+0x6c/0x80
<4>[  916.477558]  ? __warn+0x93/0x1c0
<4>[  916.477561]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.477565]  ? report_bug+0x182/0x1b0
<4>[  916.477570]  ? handle_bug+0x6e/0xb0
<4>[  916.477573]  ? exc_invalid_op+0x18/0x80
<4>[  916.477576]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.477590]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.477593]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.477596]  ? mark_held_locks+0x46/0x90
<4>[  916.477607]  __iommu_map+0x119/0x2c0
<4>[  916.477616]  iommu_map_sg+0xbf/0x210
<4>[  916.477623]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.477633]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.479861]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.479936] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.480090] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.480093] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.480095] RAX: 0000000000000000 RBX: ffff888113765c98 RCX: 0000000000000000
<4>[  916.480097] RDX: 0000000000000000 RSI: 0000000003d15393 RDI: 0000000000000000
<4>[  916.480098] RBP: ffffc90004807208 R08: 000000000027f792 R09: 0000000000000001
<4>[  916.480100] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46e
<4>[  916.480101] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f792003
<4>[  916.480103] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.480105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.480106] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.480108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.480109] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.480111] Call Trace:
<4>[  916.480112]  <TASK>
<4>[  916.480114]  ? show_regs+0x6c/0x80
<4>[  916.480117]  ? __warn+0x93/0x1c0
<4>[  916.480120]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.480124]  ? report_bug+0x182/0x1b0
<4>[  916.480129]  ? handle_bug+0x6e/0xb0
<4>[  916.480132]  ? exc_invalid_op+0x18/0x80
<4>[  916.480135]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.480144]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.480147]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.480150]  ? mark_held_locks+0x46/0x90
<4>[  916.480161]  __iommu_map+0x119/0x2c0
<4>[  916.480170]  iommu_map_sg+0xbf/0x210
<4>[  916.480178]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.480504]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.482475]  ? irqentry_exit+0x77/0xb0
<4>[  916.482498] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.482652] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.482656] RAX: 0000000000000000 RBX: ffff888113765ca0 RCX: 0000000000000000
<4>[  916.482657] RDX: 0000000000000000 RSI: 0000000003d15394 RDI: 0000000000000000
<4>[  916.482659] RBP: ffffc90004807208 R08: 000000000027f793 R09: 0000000000000001
<4>[  916.482660] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46d
<4>[  916.482662] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f793003
<4>[  916.482664] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.482665] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.482667] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.482669] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.482670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.482672] Call Trace:
<4>[  916.482673]  <TASK>
<4>[  916.482675]  ? show_regs+0x6c/0x80
<4>[  916.482678]  ? __warn+0x93/0x1c0
<4>[  916.482682]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.482685]  ? report_bug+0x182/0x1b0
<4>[  916.482691]  ? handle_bug+0x6e/0xb0
<4>[  916.482693]  ? exc_invalid_op+0x18/0x80
<4>[  916.482696]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.482705]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.482709]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.482739]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.484983]  do_syscall_64+0x91/0x180
<4>[  916.485050] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.485205] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.485209] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.485211] RAX: 0000000000000000 RBX: ffff888113765ca8 RCX: 0000000000000000
<4>[  916.485212] RDX: 0000000000000000 RSI: 0000000003d15395 RDI: 0000000000000000
<4>[  916.485214] RBP: ffffc90004807208 R08: 000000000027f794 R09: 0000000000000001
<4>[  916.485215] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46c
<4>[  916.485217] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f794003
<4>[  916.485218] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.485220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.485221] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.485223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.485224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.485226] Call Trace:
<4>[  916.485227]  <TASK>
<4>[  916.485229]  ? show_regs+0x6c/0x80
<4>[  916.485232]  ? __warn+0x93/0x1c0
<4>[  916.485236]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.485239]  ? report_bug+0x182/0x1b0
<4>[  916.485245]  ? handle_bug+0x6e/0xb0
<4>[  916.485247]  ? exc_invalid_op+0x18/0x80
<4>[  916.485250]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.485259]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.485263]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.485265]  ? mark_held_locks+0x46/0x90
<4>[  916.485277]  __iommu_map+0x119/0x2c0
<4>[  916.485286]  iommu_map_sg+0xbf/0x210
<4>[  916.485293]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.485464]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.487595]  ? irqentry_exit+0x77/0xb0
<4>[  916.487619] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.487768] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.487772] RAX: 0000000000000000 RBX: ffff888113765cb0 RCX: 0000000000000000
<4>[  916.487773] RDX: 0000000000000000 RSI: 0000000003d15396 RDI: 0000000000000000
<4>[  916.487775] RBP: ffffc90004807208 R08: 000000000027f795 R09: 0000000000000001
<4>[  916.487776] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46b
<4>[  916.487777] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f795003
<4>[  916.487779] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.487781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.487782] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.487784] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.487785] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.487787] Call Trace:
<4>[  916.487788]  <TASK>
<4>[  916.487790]  ? show_regs+0x6c/0x80
<4>[  916.487793]  ? __warn+0x93/0x1c0
<4>[  916.487796]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.487800]  ? report_bug+0x182/0x1b0
<4>[  916.487805]  ? handle_bug+0x6e/0xb0
<4>[  916.487808]  ? exc_invalid_op+0x18/0x80
<4>[  916.487811]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.487820]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.487823]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.487873]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.490151]  ? irqentry_exit+0x77/0xb0
<4>[  916.490186]  </TASK>
<4>[  916.490193] softirqs last  enabled at (253670634): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.490325] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.490327] RAX: 0000000000000000 RBX: ffff888113765cb8 RCX: 0000000000000000
<4>[  916.490329] RDX: 0000000000000000 RSI: 0000000003d15397 RDI: 0000000000000000
<4>[  916.490330] RBP: ffffc90004807208 R08: 000000000027f796 R09: 0000000000000001
<4>[  916.490332] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de46a
<4>[  916.490333] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f796003
<4>[  916.490335] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.490336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.490338] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.490340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.490341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.490342] Call Trace:
<4>[  916.490344]  <TASK>
<4>[  916.490345]  ? show_regs+0x6c/0x80
<4>[  916.490349]  ? __warn+0x93/0x1c0
<4>[  916.490352]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.490356]  ? report_bug+0x182/0x1b0
<4>[  916.490361]  ? handle_bug+0x6e/0xb0
<4>[  916.490364]  ? exc_invalid_op+0x18/0x80
<4>[  916.490367]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.490376]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.490379]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.490382]  ? mark_held_locks+0x46/0x90
<4>[  916.490393]  __iommu_map+0x119/0x2c0
<4>[  916.490402]  iommu_map_sg+0xbf/0x210
<4>[  916.490409]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.490419]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.492653]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.492728] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.492884] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.492888] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.492890] RAX: 0000000000000000 RBX: ffff888113765cc0 RCX: 0000000000000000
<4>[  916.492891] RDX: 0000000000000000 RSI: 0000000003d15398 RDI: 0000000000000000
<4>[  916.492893] RBP: ffffc90004807208 R08: 000000000027f797 R09: 0000000000000001
<4>[  916.492894] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de469
<4>[  916.492896] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f797003
<4>[  916.492897] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.492899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.492901] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.492902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.492904] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.492905] Call Trace:
<4>[  916.492906]  <TASK>
<4>[  916.492908]  ? show_regs+0x6c/0x80
<4>[  916.492911]  ? __warn+0x93/0x1c0
<4>[  916.492915]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.492919]  ? report_bug+0x182/0x1b0
<4>[  916.492924]  ? handle_bug+0x6e/0xb0
<4>[  916.492926]  ? exc_invalid_op+0x18/0x80
<4>[  916.492929]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.492938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.492942]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.492945]  ? mark_held_locks+0x46/0x90
<4>[  916.492956]  __iommu_map+0x119/0x2c0
<4>[  916.492965]  iommu_map_sg+0xbf/0x210
<4>[  916.492972]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.493298]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.495267]  ? irqentry_exit+0x77/0xb0
<4>[  916.495290] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.495439] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.495443] RAX: 0000000000000000 RBX: ffff888113765cc8 RCX: 0000000000000000
<4>[  916.495445] RDX: 0000000000000000 RSI: 0000000003d15399 RDI: 0000000000000000
<4>[  916.495446] RBP: ffffc90004807208 R08: 000000000027f798 R09: 0000000000000001
<4>[  916.495448] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de468
<4>[  916.495449] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f798003
<4>[  916.495451] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.495452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.495454] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.495456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.495457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.495458] Call Trace:
<4>[  916.495460]  <TASK>
<4>[  916.495461]  ? show_regs+0x6c/0x80
<4>[  916.495465]  ? __warn+0x93/0x1c0
<4>[  916.495468]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.495472]  ? report_bug+0x182/0x1b0
<4>[  916.495477]  ? handle_bug+0x6e/0xb0
<4>[  916.495480]  ? exc_invalid_op+0x18/0x80
<4>[  916.495483]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.495492]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.495495]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.495518]  iommu_map_sg+0xbf/0x210
<4>[  916.497280]  ? find_held_lock+0x31/0x90
<4>[  916.497835] RIP: 0033:0x719556d24ded
<4>[  916.497859]  </TASK>
<4>[  916.497866] softirqs last  enabled at (253683756): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.497997] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.497999] RAX: 0000000000000000 RBX: ffff888113765cd0 RCX: 0000000000000000
<4>[  916.498001] RDX: 0000000000000000 RSI: 0000000003d1539a RDI: 0000000000000000
<4>[  916.498002] RBP: ffffc90004807208 R08: 000000000027f799 R09: 0000000000000001
<4>[  916.498004] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de467
<4>[  916.498005] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f799003
<4>[  916.498007] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.498009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.498010] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.498012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.498013] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.498015] Call Trace:
<4>[  916.498016]  <TASK>
<4>[  916.498018]  ? show_regs+0x6c/0x80
<4>[  916.498021]  ? __warn+0x93/0x1c0
<4>[  916.498024]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.498028]  ? report_bug+0x182/0x1b0
<4>[  916.498033]  ? handle_bug+0x6e/0xb0
<4>[  916.498036]  ? exc_invalid_op+0x18/0x80
<4>[  916.498039]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.498048]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.498051]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.498054]  ? mark_held_locks+0x46/0x90
<4>[  916.498065]  __iommu_map+0x119/0x2c0
<4>[  916.498074]  iommu_map_sg+0xbf/0x210
<4>[  916.498081]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.498566]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  916.500377]  ? irqentry_exit+0x77/0xb0
<4>[  916.500401] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.500549] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.500553] RAX: 0000000000000000 RBX: ffff888113765cd8 RCX: 0000000000000000
<4>[  916.500555] RDX: 0000000000000000 RSI: 0000000003d1539b RDI: 0000000000000000
<4>[  916.500556] RBP: ffffc90004807208 R08: 000000000027f79a R09: 0000000000000001
<4>[  916.500558] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de466
<4>[  916.500559] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79a003
<4>[  916.500561] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.500562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.500564] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.500566] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.500567] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.500568] Call Trace:
<4>[  916.500570]  <TASK>
<4>[  916.500571]  ? show_regs+0x6c/0x80
<4>[  916.500575]  ? __warn+0x93/0x1c0
<4>[  916.500578]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.500582]  ? report_bug+0x182/0x1b0
<4>[  916.500592]  ? handle_bug+0x6e/0xb0
<4>[  916.500595]  ? exc_invalid_op+0x18/0x80
<4>[  916.500598]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.500607]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.500610]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.500656]  dma_map_sgtable+0x1d/0x40
<4>[  916.502878]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.502952] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.503107] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.503111] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.503113] RAX: 0000000000000000 RBX: ffff888113765ce0 RCX: 0000000000000000
<4>[  916.503114] RDX: 0000000000000000 RSI: 0000000003d1539c RDI: 0000000000000000
<4>[  916.503116] RBP: ffffc90004807208 R08: 000000000027f79b R09: 0000000000000001
<4>[  916.503117] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de465
<4>[  916.503119] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79b003
<4>[  916.503120] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.503122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.503123] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.503125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.503126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.503128] Call Trace:
<4>[  916.503129]  <TASK>
<4>[  916.503131]  ? show_regs+0x6c/0x80
<4>[  916.503134]  ? __warn+0x93/0x1c0
<4>[  916.503138]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.503141]  ? report_bug+0x182/0x1b0
<4>[  916.503146]  ? handle_bug+0x6e/0xb0
<4>[  916.503149]  ? exc_invalid_op+0x18/0x80
<4>[  916.503152]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.503161]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.503164]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.503167]  ? mark_held_locks+0x46/0x90
<4>[  916.503179]  __iommu_map+0x119/0x2c0
<4>[  916.503188]  iommu_map_sg+0xbf/0x210
<4>[  916.503195]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.503214]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.505493]  ? irqentry_exit+0x77/0xb0
<4>[  916.505528]  </TASK>
<4>[  916.505535] softirqs last  enabled at (253694934): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.505672] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.505675] RAX: 0000000000000000 RBX: ffff888113765ce8 RCX: 0000000000000000
<4>[  916.505677] RDX: 0000000000000000 RSI: 0000000003d1539d RDI: 0000000000000000
<4>[  916.505678] RBP: ffffc90004807208 R08: 000000000027f79c R09: 0000000000000001
<4>[  916.505680] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de464
<4>[  916.505681] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79c003
<4>[  916.505683] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.505685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.505686] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.505688] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.505689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.505691] Call Trace:
<4>[  916.505692]  <TASK>
<4>[  916.505694]  ? show_regs+0x6c/0x80
<4>[  916.505697]  ? __warn+0x93/0x1c0
<4>[  916.505700]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.505704]  ? report_bug+0x182/0x1b0
<4>[  916.505709]  ? handle_bug+0x6e/0xb0
<4>[  916.505712]  ? exc_invalid_op+0x18/0x80
<4>[  916.505715]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.505724]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.505727]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.505730]  ? mark_held_locks+0x46/0x90
<4>[  916.505742]  __iommu_map+0x119/0x2c0
<4>[  916.505751]  iommu_map_sg+0xbf/0x210
<4>[  916.505758]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.505768]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.507995]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.508069] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.508224] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.508227] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.508229] RAX: 0000000000000000 RBX: ffff888113765cf0 RCX: 0000000000000000
<4>[  916.508231] RDX: 0000000000000000 RSI: 0000000003d1539e RDI: 0000000000000000
<4>[  916.508232] RBP: ffffc90004807208 R08: 000000000027f79d R09: 0000000000000001
<4>[  916.508234] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de463
<4>[  916.508235] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79d003
<4>[  916.508237] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.508239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.508240] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.508242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.508243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.508245] Call Trace:
<4>[  916.508246]  <TASK>
<4>[  916.508248]  ? show_regs+0x6c/0x80
<4>[  916.508251]  ? __warn+0x93/0x1c0
<4>[  916.508255]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.508258]  ? report_bug+0x182/0x1b0
<4>[  916.508263]  ? handle_bug+0x6e/0xb0
<4>[  916.508266]  ? exc_invalid_op+0x18/0x80
<4>[  916.508269]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.508278]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.508281]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.508284]  ? mark_held_locks+0x46/0x90
<4>[  916.508295]  __iommu_map+0x119/0x2c0
<4>[  916.508305]  iommu_map_sg+0xbf/0x210
<4>[  916.508312]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.508322]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.510553]  x64_sys_call+0x131e/0x2650
<4>[  916.510628] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.510783] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.510787] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.510789] RAX: 0000000000000000 RBX: ffff888113765cf8 RCX: 0000000000000000
<4>[  916.510791] RDX: 0000000000000000 RSI: 0000000003d1539f RDI: 0000000000000000
<4>[  916.510792] RBP: ffffc90004807208 R08: 000000000027f79e R09: 0000000000000001
<4>[  916.510794] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de462
<4>[  916.510795] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79e003
<4>[  916.510797] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.510798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.510800] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.510801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.510803] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.510804] Call Trace:
<4>[  916.510806]  <TASK>
<4>[  916.510807]  ? show_regs+0x6c/0x80
<4>[  916.510811]  ? __warn+0x93/0x1c0
<4>[  916.510814]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.510818]  ? report_bug+0x182/0x1b0
<4>[  916.510823]  ? handle_bug+0x6e/0xb0
<4>[  916.510825]  ? exc_invalid_op+0x18/0x80
<4>[  916.510828]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.510837]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.510841]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.510844]  ? mark_held_locks+0x46/0x90
<4>[  916.510855]  __iommu_map+0x119/0x2c0
<4>[  916.510864]  iommu_map_sg+0xbf/0x210
<4>[  916.510871]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.511198]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.513170]  ? irqentry_exit+0x77/0xb0
<4>[  916.513193] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.513342] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.513346] RAX: 0000000000000000 RBX: ffff888113765d00 RCX: 0000000000000000
<4>[  916.513348] RDX: 0000000000000000 RSI: 0000000003d153a0 RDI: 0000000000000000
<4>[  916.513349] RBP: ffffc90004807208 R08: 000000000027f79f R09: 0000000000000001
<4>[  916.513351] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de461
<4>[  916.513352] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f79f003
<4>[  916.513354] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.513356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.513357] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.513359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.513360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.513362] Call Trace:
<4>[  916.513363]  <TASK>
<4>[  916.513365]  ? show_regs+0x6c/0x80
<4>[  916.513368]  ? __warn+0x93/0x1c0
<4>[  916.513371]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.513375]  ? report_bug+0x182/0x1b0
<4>[  916.513380]  ? handle_bug+0x6e/0xb0
<4>[  916.513382]  ? exc_invalid_op+0x18/0x80
<4>[  916.513385]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.513394]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.513398]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.513428]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.515671]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.515746] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.515902] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.515906] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.515908] RAX: 0000000000000000 RBX: ffff888113765d08 RCX: 0000000000000000
<4>[  916.515909] RDX: 0000000000000000 RSI: 0000000003d153a1 RDI: 0000000000000000
<4>[  916.515911] RBP: ffffc90004807208 R08: 000000000027f7a0 R09: 0000000000000001
<4>[  916.515912] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de460
<4>[  916.515914] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a0003
<4>[  916.515915] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.515917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.515919] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.515920] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.515922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.515923] Call Trace:
<4>[  916.515924]  <TASK>
<4>[  916.515926]  ? show_regs+0x6c/0x80
<4>[  916.515929]  ? __warn+0x93/0x1c0
<4>[  916.515933]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.515936]  ? report_bug+0x182/0x1b0
<4>[  916.515942]  ? handle_bug+0x6e/0xb0
<4>[  916.515944]  ? exc_invalid_op+0x18/0x80
<4>[  916.515947]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.515956]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.515960]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.515963]  ? mark_held_locks+0x46/0x90
<4>[  916.515974]  __iommu_map+0x119/0x2c0
<4>[  916.515983]  iommu_map_sg+0xbf/0x210
<4>[  916.515990]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.516005]  dma_map_sgtable+0x1d/0x40
<4>[  916.518229]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.518304] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.518459] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.518463] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.518465] RAX: 0000000000000000 RBX: ffff888113765d10 RCX: 0000000000000000
<4>[  916.518466] RDX: 0000000000000000 RSI: 0000000003d153a2 RDI: 0000000000000000
<4>[  916.518468] RBP: ffffc90004807208 R08: 000000000027f7a1 R09: 0000000000000001
<4>[  916.518469] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45f
<4>[  916.518471] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a1003
<4>[  916.518472] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.518474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.518476] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.518477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.518479] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.518480] Call Trace:
<4>[  916.518481]  <TASK>
<4>[  916.518483]  ? show_regs+0x6c/0x80
<4>[  916.518487]  ? __warn+0x93/0x1c0
<4>[  916.518490]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.518494]  ? report_bug+0x182/0x1b0
<4>[  916.518499]  ? handle_bug+0x6e/0xb0
<4>[  916.518501]  ? exc_invalid_op+0x18/0x80
<4>[  916.518504]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.518513]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.518517]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.518520]  ? mark_held_locks+0x46/0x90
<4>[  916.518531]  __iommu_map+0x119/0x2c0
<4>[  916.518540]  iommu_map_sg+0xbf/0x210
<4>[  916.518547]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.518557]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.520789]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.520862] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.521022] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.521024] RAX: 0000000000000000 RBX: ffff888113765d18 RCX: 0000000000000000
<4>[  916.521026] RDX: 0000000000000000 RSI: 0000000003d153a3 RDI: 0000000000000000
<4>[  916.521027] RBP: ffffc90004807208 R08: 000000000027f7a2 R09: 0000000000000001
<4>[  916.521029] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45e
<4>[  916.521030] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a2003
<4>[  916.521032] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.521033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.521035] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.521036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.521038] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.521039] Call Trace:
<4>[  916.521040]  <TASK>
<4>[  916.521042]  ? show_regs+0x6c/0x80
<4>[  916.521046]  ? __warn+0x93/0x1c0
<4>[  916.521049]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.521053]  ? report_bug+0x182/0x1b0
<4>[  916.521058]  ? handle_bug+0x6e/0xb0
<4>[  916.521060]  ? exc_invalid_op+0x18/0x80
<4>[  916.521063]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.521072]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.521076]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.521079]  ? mark_held_locks+0x46/0x90
<4>[  916.521090]  __iommu_map+0x119/0x2c0
<4>[  916.522520]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.523421] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.523576] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.523580] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.523588] RAX: 0000000000000000 RBX: ffff888113765d20 RCX: 0000000000000000
<4>[  916.523589] RDX: 0000000000000000 RSI: 0000000003d153a4 RDI: 0000000000000000
<4>[  916.523591] RBP: ffffc90004807208 R08: 000000000027f7a3 R09: 0000000000000001
<4>[  916.523592] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45d
<4>[  916.523594] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a3003
<4>[  916.523595] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.523597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.523599] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.523600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.523601] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.523603] Call Trace:
<4>[  916.523604]  <TASK>
<4>[  916.523606]  ? show_regs+0x6c/0x80
<4>[  916.523610]  ? __warn+0x93/0x1c0
<4>[  916.523613]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.523617]  ? report_bug+0x182/0x1b0
<4>[  916.523622]  ? handle_bug+0x6e/0xb0
<4>[  916.523624]  ? exc_invalid_op+0x18/0x80
<4>[  916.523627]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.523636]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.523640]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.523643]  ? mark_held_locks+0x46/0x90
<4>[  916.523654]  __iommu_map+0x119/0x2c0
<4>[  916.523663]  iommu_map_sg+0xbf/0x210
<4>[  916.523671]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.523686]  dma_map_sgtable+0x1d/0x40
<4>[  916.525908]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.525982] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.526138] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.526141] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.526144] RAX: 0000000000000000 RBX: ffff888113765d28 RCX: 0000000000000000
<4>[  916.526145] RDX: 0000000000000000 RSI: 0000000003d153a5 RDI: 0000000000000000
<4>[  916.526147] RBP: ffffc90004807208 R08: 000000000027f7a4 R09: 0000000000000001
<4>[  916.526148] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45c
<4>[  916.526150] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a4003
<4>[  916.526151] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.526153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.526155] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.526156] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.526157] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.526159] Call Trace:
<4>[  916.526160]  <TASK>
<4>[  916.526162]  ? show_regs+0x6c/0x80
<4>[  916.526165]  ? __warn+0x93/0x1c0
<4>[  916.526169]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.526172]  ? report_bug+0x182/0x1b0
<4>[  916.526177]  ? handle_bug+0x6e/0xb0
<4>[  916.526180]  ? exc_invalid_op+0x18/0x80
<4>[  916.526183]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.526192]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.526195]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.526198]  ? mark_held_locks+0x46/0x90
<4>[  916.526209]  __iommu_map+0x119/0x2c0
<4>[  916.526219]  iommu_map_sg+0xbf/0x210
<4>[  916.526226]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.526241]  dma_map_sgtable+0x1d/0x40
<4>[  916.528464]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.528539] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.528701] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.528704] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.528706] RAX: 0000000000000000 RBX: ffff888113765d30 RCX: 0000000000000000
<4>[  916.528708] RDX: 0000000000000000 RSI: 0000000003d153a6 RDI: 0000000000000000
<4>[  916.528709] RBP: ffffc90004807208 R08: 000000000027f7a5 R09: 0000000000000001
<4>[  916.528711] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45b
<4>[  916.528713] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a5003
<4>[  916.528714] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.528716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.528718] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.528719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.528721] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.528722] Call Trace:
<4>[  916.528723]  <TASK>
<4>[  916.528725]  ? show_regs+0x6c/0x80
<4>[  916.528729]  ? __warn+0x93/0x1c0
<4>[  916.528732]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.528736]  ? report_bug+0x182/0x1b0
<4>[  916.528741]  ? handle_bug+0x6e/0xb0
<4>[  916.528744]  ? exc_invalid_op+0x18/0x80
<4>[  916.528746]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.528756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.528759]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.528762]  ? mark_held_locks+0x46/0x90
<4>[  916.528773]  __iommu_map+0x119/0x2c0
<4>[  916.528782]  iommu_map_sg+0xbf/0x210
<4>[  916.528790]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.528800]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.531028]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.531103] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.531258] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.531261] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.531263] RAX: 0000000000000000 RBX: ffff888113765d38 RCX: 0000000000000000
<4>[  916.531265] RDX: 0000000000000000 RSI: 0000000003d153a7 RDI: 0000000000000000
<4>[  916.531266] RBP: ffffc90004807208 R08: 000000000027f7a6 R09: 0000000000000001
<4>[  916.531268] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de45a
<4>[  916.531269] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a6003
<4>[  916.531271] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.531273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.531274] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.531276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.531277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.531279] Call Trace:
<4>[  916.531280]  <TASK>
<4>[  916.531282]  ? show_regs+0x6c/0x80
<4>[  916.531285]  ? __warn+0x93/0x1c0
<4>[  916.531288]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.531292]  ? report_bug+0x182/0x1b0
<4>[  916.531297]  ? handle_bug+0x6e/0xb0
<4>[  916.531300]  ? exc_invalid_op+0x18/0x80
<4>[  916.531303]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.531312]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.531315]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.531318]  ? mark_held_locks+0x46/0x90
<4>[  916.531330]  __iommu_map+0x119/0x2c0
<4>[  916.531339]  iommu_map_sg+0xbf/0x210
<4>[  916.531346]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.531356]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.533589]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.533664] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.533819] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.533823] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.533825] RAX: 0000000000000000 RBX: ffff888113765d40 RCX: 0000000000000000
<4>[  916.533827] RDX: 0000000000000000 RSI: 0000000003d153a8 RDI: 0000000000000000
<4>[  916.533828] RBP: ffffc90004807208 R08: 000000000027f7a7 R09: 0000000000000001
<4>[  916.533830] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de459
<4>[  916.533831] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a7003
<4>[  916.533833] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.533834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.533836] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.533838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.533839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.533840] Call Trace:
<4>[  916.533842]  <TASK>
<4>[  916.533843]  ? show_regs+0x6c/0x80
<4>[  916.533847]  ? __warn+0x93/0x1c0
<4>[  916.533850]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.533854]  ? report_bug+0x182/0x1b0
<4>[  916.533859]  ? handle_bug+0x6e/0xb0
<4>[  916.533862]  ? exc_invalid_op+0x18/0x80
<4>[  916.533865]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.533874]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.533877]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.533880]  ? mark_held_locks+0x46/0x90
<4>[  916.533891]  __iommu_map+0x119/0x2c0
<4>[  916.533900]  iommu_map_sg+0xbf/0x210
<4>[  916.533907]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.533923]  dma_map_sgtable+0x1d/0x40
<4>[  916.536145]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.536219] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.536374] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.536377] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.536380] RAX: 0000000000000000 RBX: ffff888113765d48 RCX: 0000000000000000
<4>[  916.536381] RDX: 0000000000000000 RSI: 0000000003d153a9 RDI: 0000000000000000
<4>[  916.536383] RBP: ffffc90004807208 R08: 000000000027f7a8 R09: 0000000000000001
<4>[  916.536384] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de458
<4>[  916.536386] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a8003
<4>[  916.536387] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.536389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.536390] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.536392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.536393] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.536395] Call Trace:
<4>[  916.536396]  <TASK>
<4>[  916.536398]  ? show_regs+0x6c/0x80
<4>[  916.536401]  ? __warn+0x93/0x1c0
<4>[  916.536404]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.536408]  ? report_bug+0x182/0x1b0
<4>[  916.536413]  ? handle_bug+0x6e/0xb0
<4>[  916.536416]  ? exc_invalid_op+0x18/0x80
<4>[  916.536419]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.536428]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.536431]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.536434]  ? mark_held_locks+0x46/0x90
<4>[  916.536445]  __iommu_map+0x119/0x2c0
<4>[  916.536455]  iommu_map_sg+0xbf/0x210
<4>[  916.536462]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.536472]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.538704]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.538778] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.538939] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.538942] RAX: 0000000000000000 RBX: ffff888113765d50 RCX: 0000000000000000
<4>[  916.538943] RDX: 0000000000000000 RSI: 0000000003d153aa RDI: 0000000000000000
<4>[  916.538944] RBP: ffffc90004807208 R08: 000000000027f7a9 R09: 0000000000000001
<4>[  916.538946] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de457
<4>[  916.538947] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7a9003
<4>[  916.538949] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.538951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.538952] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.538954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.538955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.538957] Call Trace:
<4>[  916.538958]  <TASK>
<4>[  916.538960]  ? show_regs+0x6c/0x80
<4>[  916.538963]  ? __warn+0x93/0x1c0
<4>[  916.538967]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.538970]  ? report_bug+0x182/0x1b0
<4>[  916.538975]  ? handle_bug+0x6e/0xb0
<4>[  916.538978]  ? exc_invalid_op+0x18/0x80
<4>[  916.538981]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.538990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.538993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.538996]  ? mark_held_locks+0x46/0x90
<4>[  916.539007]  __iommu_map+0x119/0x2c0
<4>[  916.540436]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.541338] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.541493] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.541496] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.541499] RAX: 0000000000000000 RBX: ffff888113765d58 RCX: 0000000000000000
<4>[  916.541500] RDX: 0000000000000000 RSI: 0000000003d153ab RDI: 0000000000000000
<4>[  916.541502] RBP: ffffc90004807208 R08: 000000000027f7aa R09: 0000000000000001
<4>[  916.541503] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de456
<4>[  916.541504] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7aa003
<4>[  916.541506] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.541508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.541509] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.541511] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.541512] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.541514] Call Trace:
<4>[  916.541515]  <TASK>
<4>[  916.541517]  ? show_regs+0x6c/0x80
<4>[  916.541520]  ? __warn+0x93/0x1c0
<4>[  916.541523]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.541527]  ? report_bug+0x182/0x1b0
<4>[  916.541532]  ? handle_bug+0x6e/0xb0
<4>[  916.541535]  ? exc_invalid_op+0x18/0x80
<4>[  916.541538]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.541547]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.541550]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.541553]  ? mark_held_locks+0x46/0x90
<4>[  916.541564]  __iommu_map+0x119/0x2c0
<4>[  916.541573]  iommu_map_sg+0xbf/0x210
<4>[  916.541580]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.541596]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.543818]  ? lock_is_held_type+0xa3/0x130
<4>[  916.543899] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.544054] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.544058] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.544060] RAX: 0000000000000000 RBX: ffff888113765d60 RCX: 0000000000000000
<4>[  916.544062] RDX: 0000000000000000 RSI: 0000000003d153ac RDI: 0000000000000000
<4>[  916.544063] RBP: ffffc90004807208 R08: 000000000027f7ab R09: 0000000000000001
<4>[  916.544065] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de455
<4>[  916.544066] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ab003
<4>[  916.544068] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.544069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.544071] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.544072] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.544074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.544075] Call Trace:
<4>[  916.544076]  <TASK>
<4>[  916.544078]  ? show_regs+0x6c/0x80
<4>[  916.544082]  ? __warn+0x93/0x1c0
<4>[  916.544085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.544089]  ? report_bug+0x182/0x1b0
<4>[  916.544094]  ? handle_bug+0x6e/0xb0
<4>[  916.544096]  ? exc_invalid_op+0x18/0x80
<4>[  916.544099]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.544108]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.544112]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.544115]  ? mark_held_locks+0x46/0x90
<4>[  916.544126]  __iommu_map+0x119/0x2c0
<4>[  916.544135]  iommu_map_sg+0xbf/0x210
<4>[  916.544142]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.544161]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.546436]  ? irqentry_exit+0x77/0xb0
<4>[  916.546461] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.546613] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.546617] RAX: 0000000000000000 RBX: ffff888113765d68 RCX: 0000000000000000
<4>[  916.546618] RDX: 0000000000000000 RSI: 0000000003d153ad RDI: 0000000000000000
<4>[  916.546620] RBP: ffffc90004807208 R08: 000000000027f7ac R09: 0000000000000001
<4>[  916.546621] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de454
<4>[  916.546623] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ac003
<4>[  916.546624] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.546626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.546628] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.546629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.546631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.546632] Call Trace:
<4>[  916.546633]  <TASK>
<4>[  916.546635]  ? show_regs+0x6c/0x80
<4>[  916.546638]  ? __warn+0x93/0x1c0
<4>[  916.546642]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.546646]  ? report_bug+0x182/0x1b0
<4>[  916.546651]  ? handle_bug+0x6e/0xb0
<4>[  916.546653]  ? exc_invalid_op+0x18/0x80
<4>[  916.546656]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.546666]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.546669]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.546715]  dma_map_sgtable+0x1d/0x40
<4>[  916.548938]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.549013] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.549167] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.549171] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.549173] RAX: 0000000000000000 RBX: ffff888113765d70 RCX: 0000000000000000
<4>[  916.549174] RDX: 0000000000000000 RSI: 0000000003d153ae RDI: 0000000000000000
<4>[  916.549176] RBP: ffffc90004807208 R08: 000000000027f7ad R09: 0000000000000001
<4>[  916.549177] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de453
<4>[  916.549179] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ad003
<4>[  916.549180] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.549182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.549184] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.549185] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.549186] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.549188] Call Trace:
<4>[  916.549189]  <TASK>
<4>[  916.549191]  ? show_regs+0x6c/0x80
<4>[  916.549194]  ? __warn+0x93/0x1c0
<4>[  916.549197]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.549201]  ? report_bug+0x182/0x1b0
<4>[  916.549206]  ? handle_bug+0x6e/0xb0
<4>[  916.549209]  ? exc_invalid_op+0x18/0x80
<4>[  916.549212]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.549221]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.549224]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.549227]  ? mark_held_locks+0x46/0x90
<4>[  916.549238]  __iommu_map+0x119/0x2c0
<4>[  916.549247]  iommu_map_sg+0xbf/0x210
<4>[  916.549255]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.549265]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.551485]  ? lock_is_held_type+0xa3/0x130
<4>[  916.551566] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.551726] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.551730] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.551732] RAX: 0000000000000000 RBX: ffff888113765d78 RCX: 0000000000000000
<4>[  916.551733] RDX: 0000000000000000 RSI: 0000000003d153af RDI: 0000000000000000
<4>[  916.551735] RBP: ffffc90004807208 R08: 000000000027f7ae R09: 0000000000000001
<4>[  916.551736] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de452
<4>[  916.551738] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ae003
<4>[  916.551739] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.551741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.551743] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.551744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.551746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.551747] Call Trace:
<4>[  916.551748]  <TASK>
<4>[  916.551750]  ? show_regs+0x6c/0x80
<4>[  916.551754]  ? __warn+0x93/0x1c0
<4>[  916.551757]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.551761]  ? report_bug+0x182/0x1b0
<4>[  916.551766]  ? handle_bug+0x6e/0xb0
<4>[  916.551768]  ? exc_invalid_op+0x18/0x80
<4>[  916.551771]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.551780]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.551784]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.551787]  ? mark_held_locks+0x46/0x90
<4>[  916.551798]  __iommu_map+0x119/0x2c0
<4>[  916.551807]  iommu_map_sg+0xbf/0x210
<4>[  916.551814]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.551833]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.554110]  ? irqentry_exit+0x77/0xb0
<4>[  916.554134] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.554282] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.554286] RAX: 0000000000000000 RBX: ffff888113765d80 RCX: 0000000000000000
<4>[  916.554288] RDX: 0000000000000000 RSI: 0000000003d153b0 RDI: 0000000000000000
<4>[  916.554289] RBP: ffffc90004807208 R08: 000000000027f7af R09: 0000000000000001
<4>[  916.554291] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de451
<4>[  916.554292] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7af003
<4>[  916.554294] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.554295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.554297] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.554299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.554300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.554301] Call Trace:
<4>[  916.554303]  <TASK>
<4>[  916.554304]  ? show_regs+0x6c/0x80
<4>[  916.554308]  ? __warn+0x93/0x1c0
<4>[  916.554311]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.554315]  ? report_bug+0x182/0x1b0
<4>[  916.554320]  ? handle_bug+0x6e/0xb0
<4>[  916.554322]  ? exc_invalid_op+0x18/0x80
<4>[  916.554325]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.554334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.554338]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.554384]  dma_map_sgtable+0x1d/0x40
<4>[  916.556608]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.556683] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.556839] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.556842] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.556845] RAX: 0000000000000000 RBX: ffff888113765d88 RCX: 0000000000000000
<4>[  916.556846] RDX: 0000000000000000 RSI: 0000000003d153b1 RDI: 0000000000000000
<4>[  916.556848] RBP: ffffc90004807208 R08: 000000000027f7b0 R09: 0000000000000001
<4>[  916.556849] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de450
<4>[  916.556850] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b0003
<4>[  916.556852] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.556854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.556855] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.556857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.556858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.556860] Call Trace:
<4>[  916.556861]  <TASK>
<4>[  916.556863]  ? show_regs+0x6c/0x80
<4>[  916.556866]  ? __warn+0x93/0x1c0
<4>[  916.556869]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.556873]  ? report_bug+0x182/0x1b0
<4>[  916.556878]  ? handle_bug+0x6e/0xb0
<4>[  916.556881]  ? exc_invalid_op+0x18/0x80
<4>[  916.556884]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.556893]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.556896]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.556899]  ? mark_held_locks+0x46/0x90
<4>[  916.556910]  __iommu_map+0x119/0x2c0
<4>[  916.556919]  iommu_map_sg+0xbf/0x210
<4>[  916.556927]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.556942]  dma_map_sgtable+0x1d/0x40
<4>[  916.559166]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.559241] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.559396] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.559400] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.559402] RAX: 0000000000000000 RBX: ffff888113765d90 RCX: 0000000000000000
<4>[  916.559404] RDX: 0000000000000000 RSI: 0000000003d153b2 RDI: 0000000000000000
<4>[  916.559405] RBP: ffffc90004807208 R08: 000000000027f7b1 R09: 0000000000000001
<4>[  916.559407] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44f
<4>[  916.559408] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b1003
<4>[  916.559410] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.559412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.559413] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.559415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.559416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.559418] Call Trace:
<4>[  916.559419]  <TASK>
<4>[  916.559421]  ? show_regs+0x6c/0x80
<4>[  916.559424]  ? __warn+0x93/0x1c0
<4>[  916.559427]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.559431]  ? report_bug+0x182/0x1b0
<4>[  916.559436]  ? handle_bug+0x6e/0xb0
<4>[  916.559439]  ? exc_invalid_op+0x18/0x80
<4>[  916.559442]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.559451]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.559454]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.559457]  ? mark_held_locks+0x46/0x90
<4>[  916.559468]  __iommu_map+0x119/0x2c0
<4>[  916.559477]  iommu_map_sg+0xbf/0x210
<4>[  916.559485]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.559495]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.561727]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.561800] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.561962] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.561964] RAX: 0000000000000000 RBX: ffff888113765d98 RCX: 0000000000000000
<4>[  916.561965] RDX: 0000000000000000 RSI: 0000000003d153b3 RDI: 0000000000000000
<4>[  916.561967] RBP: ffffc90004807208 R08: 000000000027f7b2 R09: 0000000000000001
<4>[  916.561969] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44e
<4>[  916.561970] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b2003
<4>[  916.561972] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.561973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.561975] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.561976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.561978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.561979] Call Trace:
<4>[  916.561980]  <TASK>
<4>[  916.561982]  ? show_regs+0x6c/0x80
<4>[  916.561986]  ? __warn+0x93/0x1c0
<4>[  916.561989]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.561993]  ? report_bug+0x182/0x1b0
<4>[  916.561998]  ? handle_bug+0x6e/0xb0
<4>[  916.562000]  ? exc_invalid_op+0x18/0x80
<4>[  916.562003]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.562012]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.562016]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.562019]  ? mark_held_locks+0x46/0x90
<4>[  916.562030]  __iommu_map+0x119/0x2c0
<4>[  916.563457]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  916.564359] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.564514] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.564518] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.564520] RAX: 0000000000000000 RBX: ffff888113765da0 RCX: 0000000000000000
<4>[  916.564522] RDX: 0000000000000000 RSI: 0000000003d153b4 RDI: 0000000000000000
<4>[  916.564523] RBP: ffffc90004807208 R08: 000000000027f7b3 R09: 0000000000000001
<4>[  916.564524] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44d
<4>[  916.564526] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b3003
<4>[  916.564527] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.564529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.564531] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.564532] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.564534] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.564535] Call Trace:
<4>[  916.564536]  <TASK>
<4>[  916.564538]  ? show_regs+0x6c/0x80
<4>[  916.564541]  ? __warn+0x93/0x1c0
<4>[  916.564545]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.564548]  ? report_bug+0x182/0x1b0
<4>[  916.564554]  ? handle_bug+0x6e/0xb0
<4>[  916.564556]  ? exc_invalid_op+0x18/0x80
<4>[  916.564559]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.564568]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.564572]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.564575]  ? mark_held_locks+0x46/0x90
<4>[  916.564591]  __iommu_map+0x119/0x2c0
<4>[  916.564600]  iommu_map_sg+0xbf/0x210
<4>[  916.564607]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.564617]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.566845]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.566920] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.567074] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.567078] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.567080] RAX: 0000000000000000 RBX: ffff888113765da8 RCX: 0000000000000000
<4>[  916.567082] RDX: 0000000000000000 RSI: 0000000003d153b5 RDI: 0000000000000000
<4>[  916.567083] RBP: ffffc90004807208 R08: 000000000027f7b4 R09: 0000000000000001
<4>[  916.567085] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44c
<4>[  916.567086] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b4003
<4>[  916.567088] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.567090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.567091] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.567093] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.567094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.567096] Call Trace:
<4>[  916.567097]  <TASK>
<4>[  916.567098]  ? show_regs+0x6c/0x80
<4>[  916.567102]  ? __warn+0x93/0x1c0
<4>[  916.567105]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.567109]  ? report_bug+0x182/0x1b0
<4>[  916.567114]  ? handle_bug+0x6e/0xb0
<4>[  916.567117]  ? exc_invalid_op+0x18/0x80
<4>[  916.567120]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.567129]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.567132]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.567135]  ? mark_held_locks+0x46/0x90
<4>[  916.567146]  __iommu_map+0x119/0x2c0
<4>[  916.567155]  iommu_map_sg+0xbf/0x210
<4>[  916.567162]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.567172]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.569400]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.569474] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.569634] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.569638] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.569641] RAX: 0000000000000000 RBX: ffff888113765db0 RCX: 0000000000000000
<4>[  916.569642] RDX: 0000000000000000 RSI: 0000000003d153b6 RDI: 0000000000000000
<4>[  916.569644] RBP: ffffc90004807208 R08: 000000000027f7b5 R09: 0000000000000001
<4>[  916.569645] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44b
<4>[  916.569647] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b5003
<4>[  916.569648] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.569650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.569652] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.569653] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.569655] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.569657] Call Trace:
<4>[  916.569658]  <TASK>
<4>[  916.569660]  ? show_regs+0x6c/0x80
<4>[  916.569663]  ? __warn+0x93/0x1c0
<4>[  916.569667]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.569670]  ? report_bug+0x182/0x1b0
<4>[  916.569676]  ? handle_bug+0x6e/0xb0
<4>[  916.569678]  ? exc_invalid_op+0x18/0x80
<4>[  916.569681]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.569690]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.569694]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.569696]  ? mark_held_locks+0x46/0x90
<4>[  916.569708]  __iommu_map+0x119/0x2c0
<4>[  916.569717]  iommu_map_sg+0xbf/0x210
<4>[  916.569724]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.569734]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.571961]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.572035] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.572190] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.572193] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.572196] RAX: 0000000000000000 RBX: ffff888113765db8 RCX: 0000000000000000
<4>[  916.572197] RDX: 0000000000000000 RSI: 0000000003d153b7 RDI: 0000000000000000
<4>[  916.572199] RBP: ffffc90004807208 R08: 000000000027f7b6 R09: 0000000000000001
<4>[  916.572200] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de44a
<4>[  916.572202] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b6003
<4>[  916.572203] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.572205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.572206] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.572208] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.572209] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.572211] Call Trace:
<4>[  916.572212]  <TASK>
<4>[  916.572214]  ? show_regs+0x6c/0x80
<4>[  916.572217]  ? __warn+0x93/0x1c0
<4>[  916.572220]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.572224]  ? report_bug+0x182/0x1b0
<4>[  916.572229]  ? handle_bug+0x6e/0xb0
<4>[  916.572232]  ? exc_invalid_op+0x18/0x80
<4>[  916.572235]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.572244]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.572247]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.572250]  ? mark_held_locks+0x46/0x90
<4>[  916.572262]  __iommu_map+0x119/0x2c0
<4>[  916.572271]  iommu_map_sg+0xbf/0x210
<4>[  916.572278]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.572288]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.574515]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.574593] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.574754] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.574756] RAX: 0000000000000000 RBX: ffff888113765dc0 RCX: 0000000000000000
<4>[  916.574758] RDX: 0000000000000000 RSI: 0000000003d153b8 RDI: 0000000000000000
<4>[  916.574759] RBP: ffffc90004807208 R08: 000000000027f7b7 R09: 0000000000000001
<4>[  916.574761] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de449
<4>[  916.574762] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b7003
<4>[  916.574764] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.574766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.574767] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.574769] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.574770] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.574772] Call Trace:
<4>[  916.574773]  <TASK>
<4>[  916.574775]  ? show_regs+0x6c/0x80
<4>[  916.574778]  ? __warn+0x93/0x1c0
<4>[  916.574781]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.574785]  ? report_bug+0x182/0x1b0
<4>[  916.574790]  ? handle_bug+0x6e/0xb0
<4>[  916.574793]  ? exc_invalid_op+0x18/0x80
<4>[  916.574795]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.574805]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.574808]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.574811]  ? mark_held_locks+0x46/0x90
<4>[  916.574822]  __iommu_map+0x119/0x2c0
<4>[  916.575935]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  916.577151] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.577306] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.577309] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.577312] RAX: 0000000000000000 RBX: ffff888113765dc8 RCX: 0000000000000000
<4>[  916.577313] RDX: 0000000000000000 RSI: 0000000003d153b9 RDI: 0000000000000000
<4>[  916.577314] RBP: ffffc90004807208 R08: 000000000027f7b8 R09: 0000000000000001
<4>[  916.577316] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de448
<4>[  916.577317] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b8003
<4>[  916.577319] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.577321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.577322] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.577324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.577325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.577327] Call Trace:
<4>[  916.577328]  <TASK>
<4>[  916.577330]  ? show_regs+0x6c/0x80
<4>[  916.577333]  ? __warn+0x93/0x1c0
<4>[  916.577336]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.577340]  ? report_bug+0x182/0x1b0
<4>[  916.577345]  ? handle_bug+0x6e/0xb0
<4>[  916.577348]  ? exc_invalid_op+0x18/0x80
<4>[  916.577351]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.577360]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.577363]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.577366]  ? mark_held_locks+0x46/0x90
<4>[  916.577378]  __iommu_map+0x119/0x2c0
<4>[  916.577387]  iommu_map_sg+0xbf/0x210
<4>[  916.577394]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.577404]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.579312]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  916.579731] irq event stamp: 253813207
<4>[  916.579842]  wmi pmt_class nls_iso8859_1 intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr fuse nvme_fabrics efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  916.579871] RAX: 0000000000000000 RBX: ffff888113765dd0 RCX: 0000000000000000
<4>[  916.579872] RDX: 0000000000000000 RSI: 0000000003d153ba RDI: 0000000000000000
<4>[  916.579874] RBP: ffffc90004807208 R08: 000000000027f7b9 R09: 0000000000000001
<4>[  916.579875] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de447
<4>[  916.579877] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7b9003
<4>[  916.579878] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.579880] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.579882] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.579883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.579884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.579886] Call Trace:
<4>[  916.579887]  <TASK>
<4>[  916.579889]  ? show_regs+0x6c/0x80
<4>[  916.579892]  ? __warn+0x93/0x1c0
<4>[  916.579895]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.579899]  ? report_bug+0x182/0x1b0
<4>[  916.579904]  ? handle_bug+0x6e/0xb0
<4>[  916.579907]  ? exc_invalid_op+0x18/0x80
<4>[  916.579910]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.579919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.579922]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.579925]  ? mark_held_locks+0x46/0x90
<4>[  916.579937]  __iommu_map+0x119/0x2c0
<4>[  916.580744]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  916.582267] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.582422] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.582425] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.582428] RAX: 0000000000000000 RBX: ffff888113765dd8 RCX: 0000000000000000
<4>[  916.582429] RDX: 0000000000000000 RSI: 0000000003d153bb RDI: 0000000000000000
<4>[  916.582431] RBP: ffffc90004807208 R08: 000000000027f7ba R09: 0000000000000001
<4>[  916.582432] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de446
<4>[  916.582434] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ba003
<4>[  916.582435] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.582437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.582439] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.582440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.582442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.582443] Call Trace:
<4>[  916.582444]  <TASK>
<4>[  916.582446]  ? show_regs+0x6c/0x80
<4>[  916.582450]  ? __warn+0x93/0x1c0
<4>[  916.582453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.582457]  ? report_bug+0x182/0x1b0
<4>[  916.582462]  ? handle_bug+0x6e/0xb0
<4>[  916.582464]  ? exc_invalid_op+0x18/0x80
<4>[  916.582467]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.582476]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.582480]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.582483]  ? mark_held_locks+0x46/0x90
<4>[  916.582494]  __iommu_map+0x119/0x2c0
<4>[  916.582503]  iommu_map_sg+0xbf/0x210
<4>[  916.582510]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.582520]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.584752]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.584827] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.584982] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.584985] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.584988] RAX: 0000000000000000 RBX: ffff888113765de0 RCX: 0000000000000000
<4>[  916.584989] RDX: 0000000000000000 RSI: 0000000003d153bc RDI: 0000000000000000
<4>[  916.584991] RBP: ffffc90004807208 R08: 000000000027f7bb R09: 0000000000000001
<4>[  916.584992] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de445
<4>[  916.584994] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7bb003
<4>[  916.584995] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.584997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.584998] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.585000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.585001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.585003] Call Trace:
<4>[  916.585004]  <TASK>
<4>[  916.585006]  ? show_regs+0x6c/0x80
<4>[  916.585009]  ? __warn+0x93/0x1c0
<4>[  916.585012]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.585016]  ? report_bug+0x182/0x1b0
<4>[  916.585021]  ? handle_bug+0x6e/0xb0
<4>[  916.585024]  ? exc_invalid_op+0x18/0x80
<4>[  916.585027]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.585036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.585039]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.585042]  ? mark_held_locks+0x46/0x90
<4>[  916.585053]  __iommu_map+0x119/0x2c0
<4>[  916.585063]  iommu_map_sg+0xbf/0x210
<4>[  916.585070]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.585080]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.587312]  x64_sys_call+0x131e/0x2650
<4>[  916.587382] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.587536] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.587540] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.587542] RAX: 0000000000000000 RBX: ffff888113765de8 RCX: 0000000000000000
<4>[  916.587544] RDX: 0000000000000000 RSI: 0000000003d153bd RDI: 0000000000000000
<4>[  916.587545] RBP: ffffc90004807208 R08: 000000000027f7bc R09: 0000000000000001
<4>[  916.587547] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de444
<4>[  916.587548] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7bc003
<4>[  916.587550] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.587551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.587553] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.587554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.587556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.587557] Call Trace:
<4>[  916.587558]  <TASK>
<4>[  916.587560]  ? show_regs+0x6c/0x80
<4>[  916.587564]  ? __warn+0x93/0x1c0
<4>[  916.587567]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.587571]  ? report_bug+0x182/0x1b0
<4>[  916.587576]  ? handle_bug+0x6e/0xb0
<4>[  916.587578]  ? exc_invalid_op+0x18/0x80
<4>[  916.587586]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.587596]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.587599]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.587602]  ? mark_held_locks+0x46/0x90
<4>[  916.587613]  __iommu_map+0x119/0x2c0
<4>[  916.587622]  iommu_map_sg+0xbf/0x210
<4>[  916.587629]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.587645]  dma_map_sgtable+0x1d/0x40
<4>[  916.589868]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.589942] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.590096] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.590100] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.590102] RAX: 0000000000000000 RBX: ffff888113765df0 RCX: 0000000000000000
<4>[  916.590103] RDX: 0000000000000000 RSI: 0000000003d153be RDI: 0000000000000000
<4>[  916.590105] RBP: ffffc90004807208 R08: 000000000027f7bd R09: 0000000000000001
<4>[  916.590106] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de443
<4>[  916.590108] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7bd003
<4>[  916.590109] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.590111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.590113] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.590114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.590116] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.590117] Call Trace:
<4>[  916.590118]  <TASK>
<4>[  916.590120]  ? show_regs+0x6c/0x80
<4>[  916.590124]  ? __warn+0x93/0x1c0
<4>[  916.590127]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.590131]  ? report_bug+0x182/0x1b0
<4>[  916.590136]  ? handle_bug+0x6e/0xb0
<4>[  916.590138]  ? exc_invalid_op+0x18/0x80
<4>[  916.590141]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.590150]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.590154]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.590157]  ? mark_held_locks+0x46/0x90
<4>[  916.590168]  __iommu_map+0x119/0x2c0
<4>[  916.590177]  iommu_map_sg+0xbf/0x210
<4>[  916.590184]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.590194]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.592421]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.592496] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.592656] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.592660] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.592663] RAX: 0000000000000000 RBX: ffff888113765df8 RCX: 0000000000000000
<4>[  916.592664] RDX: 0000000000000000 RSI: 0000000003d153bf RDI: 0000000000000000
<4>[  916.592666] RBP: ffffc90004807208 R08: 000000000027f7be R09: 0000000000000001
<4>[  916.592667] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de442
<4>[  916.592669] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7be003
<4>[  916.592670] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.592672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.592674] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.592675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.592677] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.592678] Call Trace:
<4>[  916.592680]  <TASK>
<4>[  916.592682]  ? show_regs+0x6c/0x80
<4>[  916.592685]  ? __warn+0x93/0x1c0
<4>[  916.592688]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.592692]  ? report_bug+0x182/0x1b0
<4>[  916.592697]  ? handle_bug+0x6e/0xb0
<4>[  916.592700]  ? exc_invalid_op+0x18/0x80
<4>[  916.592703]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.592712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.592715]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.592719]  ? mark_held_locks+0x46/0x90
<4>[  916.592730]  __iommu_map+0x119/0x2c0
<4>[  916.592739]  iommu_map_sg+0xbf/0x210
<4>[  916.592746]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.592765]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.595044]  ? irqentry_exit+0x77/0xb0
<4>[  916.595068] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.595216] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.595220] RAX: 0000000000000000 RBX: ffff888113765e00 RCX: 0000000000000000
<4>[  916.595221] RDX: 0000000000000000 RSI: 0000000003d153c0 RDI: 0000000000000000
<4>[  916.595223] RBP: ffffc90004807208 R08: 000000000027f7bf R09: 0000000000000001
<4>[  916.595224] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de441
<4>[  916.595226] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7bf003
<4>[  916.595227] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.595229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.595230] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.595232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.595233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.595235] Call Trace:
<4>[  916.595236]  <TASK>
<4>[  916.595238]  ? show_regs+0x6c/0x80
<4>[  916.595241]  ? __warn+0x93/0x1c0
<4>[  916.595245]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.595248]  ? report_bug+0x182/0x1b0
<4>[  916.595254]  ? handle_bug+0x6e/0xb0
<4>[  916.595256]  ? exc_invalid_op+0x18/0x80
<4>[  916.595259]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.595268]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.595272]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.595317]  dma_map_sgtable+0x1d/0x40
<4>[  916.597539]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.597618] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.597774] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.597778] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.597780] RAX: 0000000000000000 RBX: ffff888113765e08 RCX: 0000000000000000
<4>[  916.597781] RDX: 0000000000000000 RSI: 0000000003d153c1 RDI: 0000000000000000
<4>[  916.597783] RBP: ffffc90004807208 R08: 000000000027f7c0 R09: 0000000000000001
<4>[  916.597784] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de440
<4>[  916.597786] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c0003
<4>[  916.597787] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.597789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.597791] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.597792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.597794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.597795] Call Trace:
<4>[  916.597796]  <TASK>
<4>[  916.597798]  ? show_regs+0x6c/0x80
<4>[  916.597801]  ? __warn+0x93/0x1c0
<4>[  916.597805]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.597809]  ? report_bug+0x182/0x1b0
<4>[  916.597814]  ? handle_bug+0x6e/0xb0
<4>[  916.597816]  ? exc_invalid_op+0x18/0x80
<4>[  916.597819]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.597828]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.597832]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.597835]  ? mark_held_locks+0x46/0x90
<4>[  916.597846]  __iommu_map+0x119/0x2c0
<4>[  916.597855]  iommu_map_sg+0xbf/0x210
<4>[  916.597862]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.597881]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.600158]  ? irqentry_exit+0x77/0xb0
<4>[  916.600182] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.600330] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.600334] RAX: 0000000000000000 RBX: ffff888113765e10 RCX: 0000000000000000
<4>[  916.600336] RDX: 0000000000000000 RSI: 0000000003d153c2 RDI: 0000000000000000
<4>[  916.600337] RBP: ffffc90004807208 R08: 000000000027f7c1 R09: 0000000000000001
<4>[  916.600339] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43f
<4>[  916.600340] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c1003
<4>[  916.600342] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.600343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.600345] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.600346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.600348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.600349] Call Trace:
<4>[  916.600350]  <TASK>
<4>[  916.600352]  ? show_regs+0x6c/0x80
<4>[  916.600356]  ? __warn+0x93/0x1c0
<4>[  916.600359]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.600363]  ? report_bug+0x182/0x1b0
<4>[  916.600368]  ? handle_bug+0x6e/0xb0
<4>[  916.600370]  ? exc_invalid_op+0x18/0x80
<4>[  916.600373]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.600382]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.600386]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.600432]  dma_map_sgtable+0x1d/0x40
<4>[  916.602658]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.602734] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.602889] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.602892] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.602895] RAX: 0000000000000000 RBX: ffff888113765e18 RCX: 0000000000000000
<4>[  916.602896] RDX: 0000000000000000 RSI: 0000000003d153c3 RDI: 0000000000000000
<4>[  916.602897] RBP: ffffc90004807208 R08: 000000000027f7c2 R09: 0000000000000001
<4>[  916.602899] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43e
<4>[  916.602900] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c2003
<4>[  916.602902] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.602904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.602905] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.602907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.602908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.602910] Call Trace:
<4>[  916.602911]  <TASK>
<4>[  916.602913]  ? show_regs+0x6c/0x80
<4>[  916.602916]  ? __warn+0x93/0x1c0
<4>[  916.602919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.602923]  ? report_bug+0x182/0x1b0
<4>[  916.602928]  ? handle_bug+0x6e/0xb0
<4>[  916.602931]  ? exc_invalid_op+0x18/0x80
<4>[  916.602934]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.602943]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.602946]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.602949]  ? mark_held_locks+0x46/0x90
<4>[  916.602960]  __iommu_map+0x119/0x2c0
<4>[  916.602970]  iommu_map_sg+0xbf/0x210
<4>[  916.602977]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.602995]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.605278]  ? irqentry_exit+0x77/0xb0
<4>[  916.605302] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.605450] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.605454] RAX: 0000000000000000 RBX: ffff888113765e20 RCX: 0000000000000000
<4>[  916.605456] RDX: 0000000000000000 RSI: 0000000003d153c4 RDI: 0000000000000000
<4>[  916.605457] RBP: ffffc90004807208 R08: 000000000027f7c3 R09: 0000000000000001
<4>[  916.605458] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43d
<4>[  916.605460] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c3003
<4>[  916.605461] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.605463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.605465] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.605466] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.605468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.605469] Call Trace:
<4>[  916.605470]  <TASK>
<4>[  916.605472]  ? show_regs+0x6c/0x80
<4>[  916.605475]  ? __warn+0x93/0x1c0
<4>[  916.605479]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.605482]  ? report_bug+0x182/0x1b0
<4>[  916.605488]  ? handle_bug+0x6e/0xb0
<4>[  916.605490]  ? exc_invalid_op+0x18/0x80
<4>[  916.605493]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.605502]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.605506]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.605555]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.607837]  ? irqentry_exit+0x77/0xb0
<4>[  916.607861] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.608010] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.608013] RAX: 0000000000000000 RBX: ffff888113765e28 RCX: 0000000000000000
<4>[  916.608015] RDX: 0000000000000000 RSI: 0000000003d153c5 RDI: 0000000000000000
<4>[  916.608016] RBP: ffffc90004807208 R08: 000000000027f7c4 R09: 0000000000000001
<4>[  916.608018] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43c
<4>[  916.608019] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c4003
<4>[  916.608021] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.608023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.608024] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.608026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.608027] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.608029] Call Trace:
<4>[  916.608030]  <TASK>
<4>[  916.608032]  ? show_regs+0x6c/0x80
<4>[  916.608035]  ? __warn+0x93/0x1c0
<4>[  916.608038]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.608042]  ? report_bug+0x182/0x1b0
<4>[  916.608047]  ? handle_bug+0x6e/0xb0
<4>[  916.608050]  ? exc_invalid_op+0x18/0x80
<4>[  916.608053]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.608062]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.608065]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.608111]  dma_map_sgtable+0x1d/0x40
<4>[  916.610332]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.610407] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.610561] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.610565] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.610567] RAX: 0000000000000000 RBX: ffff888113765e30 RCX: 0000000000000000
<4>[  916.610568] RDX: 0000000000000000 RSI: 0000000003d153c6 RDI: 0000000000000000
<4>[  916.610570] RBP: ffffc90004807208 R08: 000000000027f7c5 R09: 0000000000000001
<4>[  916.610571] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43b
<4>[  916.610573] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c5003
<4>[  916.610574] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.610576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.610578] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.610579] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.610581] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.610587] Call Trace:
<4>[  916.610588]  <TASK>
<4>[  916.610590]  ? show_regs+0x6c/0x80
<4>[  916.610593]  ? __warn+0x93/0x1c0
<4>[  916.610597]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.610601]  ? report_bug+0x182/0x1b0
<4>[  916.610606]  ? handle_bug+0x6e/0xb0
<4>[  916.610608]  ? exc_invalid_op+0x18/0x80
<4>[  916.610611]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.610620]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.610624]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.610627]  ? mark_held_locks+0x46/0x90
<4>[  916.610638]  __iommu_map+0x119/0x2c0
<4>[  916.610647]  iommu_map_sg+0xbf/0x210
<4>[  916.610654]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.610826]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.612951]  ? irqentry_exit+0x77/0xb0
<4>[  916.612974] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.613123] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.613127] RAX: 0000000000000000 RBX: ffff888113765e38 RCX: 0000000000000000
<4>[  916.613129] RDX: 0000000000000000 RSI: 0000000003d153c7 RDI: 0000000000000000
<4>[  916.613130] RBP: ffffc90004807208 R08: 000000000027f7c6 R09: 0000000000000001
<4>[  916.613131] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de43a
<4>[  916.613133] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c6003
<4>[  916.613135] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.613136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.613138] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.613139] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.613141] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.613142] Call Trace:
<4>[  916.613143]  <TASK>
<4>[  916.613145]  ? show_regs+0x6c/0x80
<4>[  916.613149]  ? __warn+0x93/0x1c0
<4>[  916.613152]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.613156]  ? report_bug+0x182/0x1b0
<4>[  916.613161]  ? handle_bug+0x6e/0xb0
<4>[  916.613163]  ? exc_invalid_op+0x18/0x80
<4>[  916.613166]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.613175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.613179]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.613219]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.615447]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.615521] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.615681] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.615684] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.615687] RAX: 0000000000000000 RBX: ffff888113765e40 RCX: 0000000000000000
<4>[  916.615688] RDX: 0000000000000000 RSI: 0000000003d153c8 RDI: 0000000000000000
<4>[  916.615690] RBP: ffffc90004807208 R08: 000000000027f7c7 R09: 0000000000000001
<4>[  916.615691] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de439
<4>[  916.615693] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c7003
<4>[  916.615694] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.615696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.615698] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.615699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.615701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.615702] Call Trace:
<4>[  916.615703]  <TASK>
<4>[  916.615705]  ? show_regs+0x6c/0x80
<4>[  916.615709]  ? __warn+0x93/0x1c0
<4>[  916.615712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.615716]  ? report_bug+0x182/0x1b0
<4>[  916.615721]  ? handle_bug+0x6e/0xb0
<4>[  916.615724]  ? exc_invalid_op+0x18/0x80
<4>[  916.615727]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.615736]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.615739]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.615742]  ? mark_held_locks+0x46/0x90
<4>[  916.615754]  __iommu_map+0x119/0x2c0
<4>[  916.615763]  iommu_map_sg+0xbf/0x210
<4>[  916.615770]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.616097]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  916.618067]  ? irqentry_exit+0x77/0xb0
<4>[  916.618089] RBP: 00007fff2a23f530 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  916.618237] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.618241] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.618243] RAX: 0000000000000000 RBX: ffff888113765e48 RCX: 0000000000000000
<4>[  916.618245] RDX: 0000000000000000 RSI: 0000000003d153c9 RDI: 0000000000000000
<4>[  916.618246] RBP: ffffc90004807208 R08: 000000000027f7c8 R09: 0000000000000001
<4>[  916.618247] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de438
<4>[  916.618249] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c8003
<4>[  916.618251] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.618252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.618254] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.618255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.618257] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.618258] Call Trace:
<4>[  916.618259]  <TASK>
<4>[  916.618261]  ? show_regs+0x6c/0x80
<4>[  916.618265]  ? __warn+0x93/0x1c0
<4>[  916.618268]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.618272]  ? report_bug+0x182/0x1b0
<4>[  916.618277]  ? handle_bug+0x6e/0xb0
<4>[  916.618280]  ? exc_invalid_op+0x18/0x80
<4>[  916.618283]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.618292]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.618295]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.618298]  ? mark_held_locks+0x46/0x90
<4>[  916.618309]  __iommu_map+0x119/0x2c0
<4>[  916.618318]  iommu_map_sg+0xbf/0x210
<4>[  916.618325]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.618341]  dma_map_sgtable+0x1d/0x40
<4>[  916.620563]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.620643] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.620799] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.620802] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.620805] RAX: 0000000000000000 RBX: ffff888113765e50 RCX: 0000000000000000
<4>[  916.620806] RDX: 0000000000000000 RSI: 0000000003d153ca RDI: 0000000000000000
<4>[  916.620808] RBP: ffffc90004807208 R08: 000000000027f7c9 R09: 0000000000000001
<4>[  916.620809] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de437
<4>[  916.620811] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7c9003
<4>[  916.620812] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.620814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.620815] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.620817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.620818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.620820] Call Trace:
<4>[  916.620821]  <TASK>
<4>[  916.620823]  ? show_regs+0x6c/0x80
<4>[  916.620826]  ? __warn+0x93/0x1c0
<4>[  916.620830]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.620833]  ? report_bug+0x182/0x1b0
<4>[  916.620838]  ? handle_bug+0x6e/0xb0
<4>[  916.620841]  ? exc_invalid_op+0x18/0x80
<4>[  916.620844]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.620853]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.620856]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.620859]  ? mark_held_locks+0x46/0x90
<4>[  916.620871]  __iommu_map+0x119/0x2c0
<4>[  916.620880]  iommu_map_sg+0xbf/0x210
<4>[  916.620887]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.620902]  dma_map_sgtable+0x1d/0x40
<4>[  916.623124]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.623199] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.623353] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.623357] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.623359] RAX: 0000000000000000 RBX: ffff888113765e58 RCX: 0000000000000000
<4>[  916.623361] RDX: 0000000000000000 RSI: 0000000003d153cb RDI: 0000000000000000
<4>[  916.623362] RBP: ffffc90004807208 R08: 000000000027f7ca R09: 0000000000000001
<4>[  916.623364] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de436
<4>[  916.623365] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ca003
<4>[  916.623367] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.623368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.623370] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.623371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.623373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.623374] Call Trace:
<4>[  916.623376]  <TASK>
<4>[  916.623377]  ? show_regs+0x6c/0x80
<4>[  916.623381]  ? __warn+0x93/0x1c0
<4>[  916.623384]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.623388]  ? report_bug+0x182/0x1b0
<4>[  916.623393]  ? handle_bug+0x6e/0xb0
<4>[  916.623395]  ? exc_invalid_op+0x18/0x80
<4>[  916.623398]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.623408]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.623411]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.623414]  ? mark_held_locks+0x46/0x90
<4>[  916.623425]  __iommu_map+0x119/0x2c0
<4>[  916.623434]  iommu_map_sg+0xbf/0x210
<4>[  916.623441]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.623451]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.625519]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  916.625781]  </TASK>
<4>[  916.625788] softirqs last  enabled at (253884556): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.625920] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.625922] RAX: 0000000000000000 RBX: ffff888113765e60 RCX: 0000000000000000
<4>[  916.625924] RDX: 0000000000000000 RSI: 0000000003d153cc RDI: 0000000000000000
<4>[  916.625925] RBP: ffffc90004807208 R08: 000000000027f7cb R09: 0000000000000001
<4>[  916.625926] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de435
<4>[  916.625928] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7cb003
<4>[  916.625929] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.625931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.625933] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.625934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.625936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.625937] Call Trace:
<4>[  916.625938]  <TASK>
<4>[  916.625940]  ? show_regs+0x6c/0x80
<4>[  916.625944]  ? __warn+0x93/0x1c0
<4>[  916.625947]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.625951]  ? report_bug+0x182/0x1b0
<4>[  916.625956]  ? handle_bug+0x6e/0xb0
<4>[  916.625958]  ? exc_invalid_op+0x18/0x80
<4>[  916.625961]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.625970]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.625974]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.625977]  ? mark_held_locks+0x46/0x90
<4>[  916.625988]  __iommu_map+0x119/0x2c0
<4>[  916.625997]  iommu_map_sg+0xbf/0x210
<4>[  916.626004]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.626019]  dma_map_sgtable+0x1d/0x40
<4>[  916.628242]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.628316] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.628471] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.628475] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.628477] RAX: 0000000000000000 RBX: ffff888113765e68 RCX: 0000000000000000
<4>[  916.628479] RDX: 0000000000000000 RSI: 0000000003d153cd RDI: 0000000000000000
<4>[  916.628480] RBP: ffffc90004807208 R08: 000000000027f7cc R09: 0000000000000001
<4>[  916.628482] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de434
<4>[  916.628483] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7cc003
<4>[  916.628485] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.628486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.628488] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.628489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.628491] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.628492] Call Trace:
<4>[  916.628494]  <TASK>
<4>[  916.628495]  ? show_regs+0x6c/0x80
<4>[  916.628499]  ? __warn+0x93/0x1c0
<4>[  916.628502]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.628506]  ? report_bug+0x182/0x1b0
<4>[  916.628511]  ? handle_bug+0x6e/0xb0
<4>[  916.628513]  ? exc_invalid_op+0x18/0x80
<4>[  916.628516]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.628525]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.628529]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.628532]  ? mark_held_locks+0x46/0x90
<4>[  916.628543]  __iommu_map+0x119/0x2c0
<4>[  916.628552]  iommu_map_sg+0xbf/0x210
<4>[  916.628559]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.628569]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.630802]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.630876] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.631031] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.631035] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.631037] RAX: 0000000000000000 RBX: ffff888113765e70 RCX: 0000000000000000
<4>[  916.631039] RDX: 0000000000000000 RSI: 0000000003d153ce RDI: 0000000000000000
<4>[  916.631040] RBP: ffffc90004807208 R08: 000000000027f7cd R09: 0000000000000001
<4>[  916.631042] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de433
<4>[  916.631043] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7cd003
<4>[  916.631045] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.631046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.631048] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.631049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.631051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.631052] Call Trace:
<4>[  916.631053]  <TASK>
<4>[  916.631055]  ? show_regs+0x6c/0x80
<4>[  916.631059]  ? __warn+0x93/0x1c0
<4>[  916.631062]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.631066]  ? report_bug+0x182/0x1b0
<4>[  916.631071]  ? handle_bug+0x6e/0xb0
<4>[  916.631073]  ? exc_invalid_op+0x18/0x80
<4>[  916.631076]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.631085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.631089]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.631092]  ? mark_held_locks+0x46/0x90
<4>[  916.631103]  __iommu_map+0x119/0x2c0
<4>[  916.631112]  iommu_map_sg+0xbf/0x210
<4>[  916.631119]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.631129]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.633356]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.633431] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.633590] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.633594] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.633596] RAX: 0000000000000000 RBX: ffff888113765e78 RCX: 0000000000000000
<4>[  916.633598] RDX: 0000000000000000 RSI: 0000000003d153cf RDI: 0000000000000000
<4>[  916.633599] RBP: ffffc90004807208 R08: 000000000027f7ce R09: 0000000000000001
<4>[  916.633601] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de432
<4>[  916.633602] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ce003
<4>[  916.633604] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.633605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.633607] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.633608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.633610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.633611] Call Trace:
<4>[  916.633612]  <TASK>
<4>[  916.633614]  ? show_regs+0x6c/0x80
<4>[  916.633618]  ? __warn+0x93/0x1c0
<4>[  916.633621]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.633625]  ? report_bug+0x182/0x1b0
<4>[  916.633630]  ? handle_bug+0x6e/0xb0
<4>[  916.633632]  ? exc_invalid_op+0x18/0x80
<4>[  916.633635]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.633644]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.633648]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.633651]  ? mark_held_locks+0x46/0x90
<4>[  916.633662]  __iommu_map+0x119/0x2c0
<4>[  916.633671]  iommu_map_sg+0xbf/0x210
<4>[  916.633679]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.633694]  dma_map_sgtable+0x1d/0x40
<4>[  916.635915]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.635990] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.636145] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.636148] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.636151] RAX: 0000000000000000 RBX: ffff888113765e80 RCX: 0000000000000000
<4>[  916.636152] RDX: 0000000000000000 RSI: 0000000003d153d0 RDI: 0000000000000000
<4>[  916.636153] RBP: ffffc90004807208 R08: 000000000027f7cf R09: 0000000000000001
<4>[  916.636155] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de431
<4>[  916.636156] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7cf003
<4>[  916.636158] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.636160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.636161] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.636163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.636164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.636166] Call Trace:
<4>[  916.636167]  <TASK>
<4>[  916.636169]  ? show_regs+0x6c/0x80
<4>[  916.636172]  ? __warn+0x93/0x1c0
<4>[  916.636175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.636179]  ? report_bug+0x182/0x1b0
<4>[  916.636184]  ? handle_bug+0x6e/0xb0
<4>[  916.636187]  ? exc_invalid_op+0x18/0x80
<4>[  916.636190]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.636199]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.636202]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.636205]  ? mark_held_locks+0x46/0x90
<4>[  916.636216]  __iommu_map+0x119/0x2c0
<4>[  916.636225]  iommu_map_sg+0xbf/0x210
<4>[  916.636232]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.636242]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.638462]  ? lock_is_held_type+0xa3/0x130
<4>[  916.638544] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.638705] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.638709] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.638711] RAX: 0000000000000000 RBX: ffff888113765e88 RCX: 0000000000000000
<4>[  916.638713] RDX: 0000000000000000 RSI: 0000000003d153d1 RDI: 0000000000000000
<4>[  916.638714] RBP: ffffc90004807208 R08: 000000000027f7d0 R09: 0000000000000001
<4>[  916.638716] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de430
<4>[  916.638718] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d0003
<4>[  916.638719] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.638721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.638722] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.638724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.638725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.638727] Call Trace:
<4>[  916.638728]  <TASK>
<4>[  916.638730]  ? show_regs+0x6c/0x80
<4>[  916.638733]  ? __warn+0x93/0x1c0
<4>[  916.638737]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.638741]  ? report_bug+0x182/0x1b0
<4>[  916.638746]  ? handle_bug+0x6e/0xb0
<4>[  916.638748]  ? exc_invalid_op+0x18/0x80
<4>[  916.638751]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.638760]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.638764]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.638767]  ? mark_held_locks+0x46/0x90
<4>[  916.638778]  __iommu_map+0x119/0x2c0
<4>[  916.638787]  iommu_map_sg+0xbf/0x210
<4>[  916.638795]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.638814]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.641093]  ? irqentry_exit+0x77/0xb0
<4>[  916.641118] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.641265] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.641269] RAX: 0000000000000000 RBX: ffff888113765e90 RCX: 0000000000000000
<4>[  916.641271] RDX: 0000000000000000 RSI: 0000000003d153d2 RDI: 0000000000000000
<4>[  916.641272] RBP: ffffc90004807208 R08: 000000000027f7d1 R09: 0000000000000001
<4>[  916.641274] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42f
<4>[  916.641275] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d1003
<4>[  916.641277] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.641278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.641280] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.641281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.641283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.641284] Call Trace:
<4>[  916.641285]  <TASK>
<4>[  916.641287]  ? show_regs+0x6c/0x80
<4>[  916.641291]  ? __warn+0x93/0x1c0
<4>[  916.641294]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.641298]  ? report_bug+0x182/0x1b0
<4>[  916.641303]  ? handle_bug+0x6e/0xb0
<4>[  916.641305]  ? exc_invalid_op+0x18/0x80
<4>[  916.641308]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.641317]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.641321]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.641361]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.643597]  x64_sys_call+0x131e/0x2650
<4>[  916.643668] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.643823] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.643827] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.643829] RAX: 0000000000000000 RBX: ffff888113765e98 RCX: 0000000000000000
<4>[  916.643831] RDX: 0000000000000000 RSI: 0000000003d153d3 RDI: 0000000000000000
<4>[  916.643832] RBP: ffffc90004807208 R08: 000000000027f7d2 R09: 0000000000000001
<4>[  916.643833] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42e
<4>[  916.643835] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d2003
<4>[  916.643837] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.643838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.643840] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.643841] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.643843] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.643844] Call Trace:
<4>[  916.643845]  <TASK>
<4>[  916.643847]  ? show_regs+0x6c/0x80
<4>[  916.643851]  ? __warn+0x93/0x1c0
<4>[  916.643854]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.643858]  ? report_bug+0x182/0x1b0
<4>[  916.643863]  ? handle_bug+0x6e/0xb0
<4>[  916.643865]  ? exc_invalid_op+0x18/0x80
<4>[  916.643868]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.643877]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.643881]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.643884]  ? mark_held_locks+0x46/0x90
<4>[  916.643895]  __iommu_map+0x119/0x2c0
<4>[  916.643904]  iommu_map_sg+0xbf/0x210
<4>[  916.643911]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.643930]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.646206]  ? irqentry_exit+0x77/0xb0
<4>[  916.646230] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.646378] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.646382] RAX: 0000000000000000 RBX: ffff888113765ea0 RCX: 0000000000000000
<4>[  916.646383] RDX: 0000000000000000 RSI: 0000000003d153d4 RDI: 0000000000000000
<4>[  916.646385] RBP: ffffc90004807208 R08: 000000000027f7d3 R09: 0000000000000001
<4>[  916.646386] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42d
<4>[  916.646388] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d3003
<4>[  916.646389] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.646391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.646392] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.646394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.646395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.646397] Call Trace:
<4>[  916.646398]  <TASK>
<4>[  916.646400]  ? show_regs+0x6c/0x80
<4>[  916.646403]  ? __warn+0x93/0x1c0
<4>[  916.646406]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.646410]  ? report_bug+0x182/0x1b0
<4>[  916.646415]  ? handle_bug+0x6e/0xb0
<4>[  916.646418]  ? exc_invalid_op+0x18/0x80
<4>[  916.646421]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.646430]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.646433]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.646479]  dma_map_sgtable+0x1d/0x40
<4>[  916.648704]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.648780] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.648935] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.648938] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.648940] RAX: 0000000000000000 RBX: ffff888113765ea8 RCX: 0000000000000000
<4>[  916.648942] RDX: 0000000000000000 RSI: 0000000003d153d5 RDI: 0000000000000000
<4>[  916.648943] RBP: ffffc90004807208 R08: 000000000027f7d4 R09: 0000000000000001
<4>[  916.648945] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42c
<4>[  916.648946] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d4003
<4>[  916.648948] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.648950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.648951] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.648953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.648954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.648955] Call Trace:
<4>[  916.648957]  <TASK>
<4>[  916.648958]  ? show_regs+0x6c/0x80
<4>[  916.648962]  ? __warn+0x93/0x1c0
<4>[  916.648965]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.648969]  ? report_bug+0x182/0x1b0
<4>[  916.648974]  ? handle_bug+0x6e/0xb0
<4>[  916.648976]  ? exc_invalid_op+0x18/0x80
<4>[  916.648979]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.648988]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.648992]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.648995]  ? mark_held_locks+0x46/0x90
<4>[  916.649006]  __iommu_map+0x119/0x2c0
<4>[  916.649015]  iommu_map_sg+0xbf/0x210
<4>[  916.649022]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.649032]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.651261]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.651336] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.651490] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.651494] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.651496] RAX: 0000000000000000 RBX: ffff888113765eb0 RCX: 0000000000000000
<4>[  916.651497] RDX: 0000000000000000 RSI: 0000000003d153d6 RDI: 0000000000000000
<4>[  916.651499] RBP: ffffc90004807208 R08: 000000000027f7d5 R09: 0000000000000001
<4>[  916.651500] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42b
<4>[  916.651502] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d5003
<4>[  916.651503] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.651505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.651507] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.651508] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.651510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.651511] Call Trace:
<4>[  916.651512]  <TASK>
<4>[  916.651514]  ? show_regs+0x6c/0x80
<4>[  916.651517]  ? __warn+0x93/0x1c0
<4>[  916.651521]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.651524]  ? report_bug+0x182/0x1b0
<4>[  916.651530]  ? handle_bug+0x6e/0xb0
<4>[  916.651532]  ? exc_invalid_op+0x18/0x80
<4>[  916.651535]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.651544]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.651548]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.651550]  ? mark_held_locks+0x46/0x90
<4>[  916.651562]  __iommu_map+0x119/0x2c0
<4>[  916.651571]  iommu_map_sg+0xbf/0x210
<4>[  916.651578]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.651593]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.653828]  x64_sys_call+0x131e/0x2650
<4>[  916.653898] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.654053] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.654056] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.654059] RAX: 0000000000000000 RBX: ffff888113765eb8 RCX: 0000000000000000
<4>[  916.654060] RDX: 0000000000000000 RSI: 0000000003d153d7 RDI: 0000000000000000
<4>[  916.654062] RBP: ffffc90004807208 R08: 000000000027f7d6 R09: 0000000000000001
<4>[  916.654063] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de42a
<4>[  916.654065] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d6003
<4>[  916.654066] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.654068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.654069] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.654071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.654072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.654074] Call Trace:
<4>[  916.654075]  <TASK>
<4>[  916.654077]  ? show_regs+0x6c/0x80
<4>[  916.654080]  ? __warn+0x93/0x1c0
<4>[  916.654084]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.654087]  ? report_bug+0x182/0x1b0
<4>[  916.654092]  ? handle_bug+0x6e/0xb0
<4>[  916.654095]  ? exc_invalid_op+0x18/0x80
<4>[  916.654098]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.654107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.654110]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.654113]  ? mark_held_locks+0x46/0x90
<4>[  916.654125]  __iommu_map+0x119/0x2c0
<4>[  916.654134]  iommu_map_sg+0xbf/0x210
<4>[  916.654141]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.654156]  dma_map_sgtable+0x1d/0x40
<4>[  916.656379]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.656453] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.656613] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.656617] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.656619] RAX: 0000000000000000 RBX: ffff888113765ec0 RCX: 0000000000000000
<4>[  916.656620] RDX: 0000000000000000 RSI: 0000000003d153d8 RDI: 0000000000000000
<4>[  916.656622] RBP: ffffc90004807208 R08: 000000000027f7d7 R09: 0000000000000001
<4>[  916.656623] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de429
<4>[  916.656625] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d7003
<4>[  916.656626] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.656628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.656629] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.656631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.656632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.656634] Call Trace:
<4>[  916.656635]  <TASK>
<4>[  916.656637]  ? show_regs+0x6c/0x80
<4>[  916.656640]  ? __warn+0x93/0x1c0
<4>[  916.656644]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.656648]  ? report_bug+0x182/0x1b0
<4>[  916.656653]  ? handle_bug+0x6e/0xb0
<4>[  916.656656]  ? exc_invalid_op+0x18/0x80
<4>[  916.656659]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.656668]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.656671]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.656674]  ? mark_held_locks+0x46/0x90
<4>[  916.656686]  __iommu_map+0x119/0x2c0
<4>[  916.656695]  iommu_map_sg+0xbf/0x210
<4>[  916.656702]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.656717]  dma_map_sgtable+0x1d/0x40
<4>[  916.658940]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.659015] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.659169] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.659173] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.659175] RAX: 0000000000000000 RBX: ffff888113765ec8 RCX: 0000000000000000
<4>[  916.659177] RDX: 0000000000000000 RSI: 0000000003d153d9 RDI: 0000000000000000
<4>[  916.659178] RBP: ffffc90004807208 R08: 000000000027f7d8 R09: 0000000000000001
<4>[  916.659179] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de428
<4>[  916.659181] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d8003
<4>[  916.659183] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.659184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.659186] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.659187] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.659189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.659190] Call Trace:
<4>[  916.659191]  <TASK>
<4>[  916.659193]  ? show_regs+0x6c/0x80
<4>[  916.659197]  ? __warn+0x93/0x1c0
<4>[  916.659200]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.659204]  ? report_bug+0x182/0x1b0
<4>[  916.659209]  ? handle_bug+0x6e/0xb0
<4>[  916.659211]  ? exc_invalid_op+0x18/0x80
<4>[  916.659214]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.659223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.659227]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.659230]  ? mark_held_locks+0x46/0x90
<4>[  916.659241]  __iommu_map+0x119/0x2c0
<4>[  916.659250]  iommu_map_sg+0xbf/0x210
<4>[  916.659257]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.659267]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.661495]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.661569] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.661731] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.661734] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.661736] RAX: 0000000000000000 RBX: ffff888113765ed0 RCX: 0000000000000000
<4>[  916.661738] RDX: 0000000000000000 RSI: 0000000003d153da RDI: 0000000000000000
<4>[  916.661739] RBP: ffffc90004807208 R08: 000000000027f7d9 R09: 0000000000000001
<4>[  916.661741] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de427
<4>[  916.661742] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7d9003
<4>[  916.661744] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.661746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.661747] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.661749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.661750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.661752] Call Trace:
<4>[  916.661753]  <TASK>
<4>[  916.661755]  ? show_regs+0x6c/0x80
<4>[  916.661758]  ? __warn+0x93/0x1c0
<4>[  916.661761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.661765]  ? report_bug+0x182/0x1b0
<4>[  916.661770]  ? handle_bug+0x6e/0xb0
<4>[  916.661773]  ? exc_invalid_op+0x18/0x80
<4>[  916.661776]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.661785]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.661788]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.661791]  ? mark_held_locks+0x46/0x90
<4>[  916.661802]  __iommu_map+0x119/0x2c0
<4>[  916.661811]  iommu_map_sg+0xbf/0x210
<4>[  916.661818]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.661828]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.664057]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.664131] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.664285] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.664289] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.664291] RAX: 0000000000000000 RBX: ffff888113765ed8 RCX: 0000000000000000
<4>[  916.664293] RDX: 0000000000000000 RSI: 0000000003d153db RDI: 0000000000000000
<4>[  916.664294] RBP: ffffc90004807208 R08: 000000000027f7da R09: 0000000000000001
<4>[  916.664296] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de426
<4>[  916.664297] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7da003
<4>[  916.664299] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.664300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.664302] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.664304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.664305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.664306] Call Trace:
<4>[  916.664308]  <TASK>
<4>[  916.664309]  ? show_regs+0x6c/0x80
<4>[  916.664313]  ? __warn+0x93/0x1c0
<4>[  916.664316]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.664320]  ? report_bug+0x182/0x1b0
<4>[  916.664325]  ? handle_bug+0x6e/0xb0
<4>[  916.664328]  ? exc_invalid_op+0x18/0x80
<4>[  916.664330]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.664339]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.664343]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.664346]  ? mark_held_locks+0x46/0x90
<4>[  916.664357]  __iommu_map+0x119/0x2c0
<4>[  916.664366]  iommu_map_sg+0xbf/0x210
<4>[  916.664373]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.664383]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.666616]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.666691] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.666847] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.666850] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.666853] RAX: 0000000000000000 RBX: ffff888113765ee0 RCX: 0000000000000000
<4>[  916.666854] RDX: 0000000000000000 RSI: 0000000003d153dc RDI: 0000000000000000
<4>[  916.666856] RBP: ffffc90004807208 R08: 000000000027f7db R09: 0000000000000001
<4>[  916.666857] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de425
<4>[  916.666859] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7db003
<4>[  916.666860] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.666862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.666863] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.666865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.666866] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.666868] Call Trace:
<4>[  916.666869]  <TASK>
<4>[  916.666871]  ? show_regs+0x6c/0x80
<4>[  916.666874]  ? __warn+0x93/0x1c0
<4>[  916.666877]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.666881]  ? report_bug+0x182/0x1b0
<4>[  916.666886]  ? handle_bug+0x6e/0xb0
<4>[  916.666889]  ? exc_invalid_op+0x18/0x80
<4>[  916.666892]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.666901]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.666904]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.666907]  ? mark_held_locks+0x46/0x90
<4>[  916.666918]  __iommu_map+0x119/0x2c0
<4>[  916.666927]  iommu_map_sg+0xbf/0x210
<4>[  916.666934]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.666950]  dma_map_sgtable+0x1d/0x40
<4>[  916.669173]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.669248] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.669402] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.669406] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.669408] RAX: 0000000000000000 RBX: ffff888113765ee8 RCX: 0000000000000000
<4>[  916.669410] RDX: 0000000000000000 RSI: 0000000003d153dd RDI: 0000000000000000
<4>[  916.669411] RBP: ffffc90004807208 R08: 000000000027f7dc R09: 0000000000000001
<4>[  916.669413] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de424
<4>[  916.669414] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7dc003
<4>[  916.669416] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.669417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.669419] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.669421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.669422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.669423] Call Trace:
<4>[  916.669425]  <TASK>
<4>[  916.669426]  ? show_regs+0x6c/0x80
<4>[  916.669430]  ? __warn+0x93/0x1c0
<4>[  916.669433]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.669437]  ? report_bug+0x182/0x1b0
<4>[  916.669442]  ? handle_bug+0x6e/0xb0
<4>[  916.669445]  ? exc_invalid_op+0x18/0x80
<4>[  916.669447]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.669457]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.669460]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.669463]  ? mark_held_locks+0x46/0x90
<4>[  916.669474]  __iommu_map+0x119/0x2c0
<4>[  916.669483]  iommu_map_sg+0xbf/0x210
<4>[  916.669490]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.669500]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.671736]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.671811] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.671967] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.671970] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.671973] RAX: 0000000000000000 RBX: ffff888113765ef0 RCX: 0000000000000000
<4>[  916.671974] RDX: 0000000000000000 RSI: 0000000003d153de RDI: 0000000000000000
<4>[  916.671976] RBP: ffffc90004807208 R08: 000000000027f7dd R09: 0000000000000001
<4>[  916.671977] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de423
<4>[  916.671979] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7dd003
<4>[  916.671980] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.671982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.671983] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.671985] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.671986] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.671988] Call Trace:
<4>[  916.671989]  <TASK>
<4>[  916.671991]  ? show_regs+0x6c/0x80
<4>[  916.671994]  ? __warn+0x93/0x1c0
<4>[  916.671997]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.672001]  ? report_bug+0x182/0x1b0
<4>[  916.672006]  ? handle_bug+0x6e/0xb0
<4>[  916.672009]  ? exc_invalid_op+0x18/0x80
<4>[  916.672012]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.672021]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.672024]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.672027]  ? mark_held_locks+0x46/0x90
<4>[  916.672038]  __iommu_map+0x119/0x2c0
<4>[  916.672047]  iommu_map_sg+0xbf/0x210
<4>[  916.672055]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.672064]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.674292]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.674366] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.674521] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.674524] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.674527] RAX: 0000000000000000 RBX: ffff888113765ef8 RCX: 0000000000000000
<4>[  916.674528] RDX: 0000000000000000 RSI: 0000000003d153df RDI: 0000000000000000
<4>[  916.674530] RBP: ffffc90004807208 R08: 000000000027f7de R09: 0000000000000001
<4>[  916.674531] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de422
<4>[  916.674533] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7de003
<4>[  916.674534] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.674536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.674537] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.674539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.674540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.674542] Call Trace:
<4>[  916.674543]  <TASK>
<4>[  916.674545]  ? show_regs+0x6c/0x80
<4>[  916.674548]  ? __warn+0x93/0x1c0
<4>[  916.674551]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.674555]  ? report_bug+0x182/0x1b0
<4>[  916.674560]  ? handle_bug+0x6e/0xb0
<4>[  916.674563]  ? exc_invalid_op+0x18/0x80
<4>[  916.674566]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.674575]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.674578]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.674586]  ? mark_held_locks+0x46/0x90
<4>[  916.674597]  __iommu_map+0x119/0x2c0
<4>[  916.674606]  iommu_map_sg+0xbf/0x210
<4>[  916.674613]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.674632]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.676909]  ? irqentry_exit+0x77/0xb0
<4>[  916.676933] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.677081] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.677085] RAX: 0000000000000000 RBX: ffff888113765f00 RCX: 0000000000000000
<4>[  916.677086] RDX: 0000000000000000 RSI: 0000000003d153e0 RDI: 0000000000000000
<4>[  916.677088] RBP: ffffc90004807208 R08: 000000000027f7df R09: 0000000000000001
<4>[  916.677089] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de421
<4>[  916.677091] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7df003
<4>[  916.677092] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.677094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.677096] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.677097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.677098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.677100] Call Trace:
<4>[  916.677101]  <TASK>
<4>[  916.677103]  ? show_regs+0x6c/0x80
<4>[  916.677106]  ? __warn+0x93/0x1c0
<4>[  916.677110]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.677113]  ? report_bug+0x182/0x1b0
<4>[  916.677118]  ? handle_bug+0x6e/0xb0
<4>[  916.677121]  ? exc_invalid_op+0x18/0x80
<4>[  916.677124]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.677133]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.677137]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.677182]  dma_map_sgtable+0x1d/0x40
<4>[  916.679404]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.679479] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.679639] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.679642] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.679645] RAX: 0000000000000000 RBX: ffff888113765f08 RCX: 0000000000000000
<4>[  916.679646] RDX: 0000000000000000 RSI: 0000000003d153e1 RDI: 0000000000000000
<4>[  916.679648] RBP: ffffc90004807208 R08: 000000000027f7e0 R09: 0000000000000001
<4>[  916.679649] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de420
<4>[  916.679651] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e0003
<4>[  916.679652] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.679654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.679656] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.679657] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.679659] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.679660] Call Trace:
<4>[  916.679662]  <TASK>
<4>[  916.679664]  ? show_regs+0x6c/0x80
<4>[  916.679667]  ? __warn+0x93/0x1c0
<4>[  916.679670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.679674]  ? report_bug+0x182/0x1b0
<4>[  916.679680]  ? handle_bug+0x6e/0xb0
<4>[  916.679682]  ? exc_invalid_op+0x18/0x80
<4>[  916.679685]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.679694]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.679698]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.679701]  ? mark_held_locks+0x46/0x90
<4>[  916.679712]  __iommu_map+0x119/0x2c0
<4>[  916.679721]  iommu_map_sg+0xbf/0x210
<4>[  916.679728]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.679744]  dma_map_sgtable+0x1d/0x40
<4>[  916.681965]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.682039] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.682193] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.682197] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.682199] RAX: 0000000000000000 RBX: ffff888113765f10 RCX: 0000000000000000
<4>[  916.682201] RDX: 0000000000000000 RSI: 0000000003d153e2 RDI: 0000000000000000
<4>[  916.682202] RBP: ffffc90004807208 R08: 000000000027f7e1 R09: 0000000000000001
<4>[  916.682204] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41f
<4>[  916.682205] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e1003
<4>[  916.682207] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.682209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.682210] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.682212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.682213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.682215] Call Trace:
<4>[  916.682216]  <TASK>
<4>[  916.682217]  ? show_regs+0x6c/0x80
<4>[  916.682221]  ? __warn+0x93/0x1c0
<4>[  916.682224]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.682228]  ? report_bug+0x182/0x1b0
<4>[  916.682233]  ? handle_bug+0x6e/0xb0
<4>[  916.682236]  ? exc_invalid_op+0x18/0x80
<4>[  916.682239]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.682248]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.682251]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.682254]  ? mark_held_locks+0x46/0x90
<4>[  916.682265]  __iommu_map+0x119/0x2c0
<4>[  916.682274]  iommu_map_sg+0xbf/0x210
<4>[  916.682281]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.682300]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  916.684578]  ? irqentry_exit+0x77/0xb0
<4>[  916.684607] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  916.684756] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.684760] RAX: 0000000000000000 RBX: ffff888113765f18 RCX: 0000000000000000
<4>[  916.684762] RDX: 0000000000000000 RSI: 0000000003d153e3 RDI: 0000000000000000
<4>[  916.684763] RBP: ffffc90004807208 R08: 000000000027f7e2 R09: 0000000000000001
<4>[  916.684765] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41e
<4>[  916.684766] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e2003
<4>[  916.684768] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.684769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.684771] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.684772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.684774] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.684775] Call Trace:
<4>[  916.684777]  <TASK>
<4>[  916.684778]  ? show_regs+0x6c/0x80
<4>[  916.684782]  ? __warn+0x93/0x1c0
<4>[  916.684785]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.684789]  ? report_bug+0x182/0x1b0
<4>[  916.684794]  ? handle_bug+0x6e/0xb0
<4>[  916.684796]  ? exc_invalid_op+0x18/0x80
<4>[  916.684799]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.684808]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.684812]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.684858]  dma_map_sgtable+0x1d/0x40
<4>[  916.687080]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.687154] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.687309] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.687312] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.687315] RAX: 0000000000000000 RBX: ffff888113765f20 RCX: 0000000000000000
<4>[  916.687316] RDX: 0000000000000000 RSI: 0000000003d153e4 RDI: 0000000000000000
<4>[  916.687317] RBP: ffffc90004807208 R08: 000000000027f7e3 R09: 0000000000000001
<4>[  916.687319] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41d
<4>[  916.687320] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e3003
<4>[  916.687322] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.687324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.687325] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.687327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.687328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.687330] Call Trace:
<4>[  916.687331]  <TASK>
<4>[  916.687333]  ? show_regs+0x6c/0x80
<4>[  916.687336]  ? __warn+0x93/0x1c0
<4>[  916.687339]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.687343]  ? report_bug+0x182/0x1b0
<4>[  916.687348]  ? handle_bug+0x6e/0xb0
<4>[  916.687351]  ? exc_invalid_op+0x18/0x80
<4>[  916.687354]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.687363]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.687366]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.687369]  ? mark_held_locks+0x46/0x90
<4>[  916.687381]  __iommu_map+0x119/0x2c0
<4>[  916.687390]  iommu_map_sg+0xbf/0x210
<4>[  916.687397]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.687407]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.689637]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.689713] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.689868] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.689871] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.689874] RAX: 0000000000000000 RBX: ffff888113765f28 RCX: 0000000000000000
<4>[  916.689875] RDX: 0000000000000000 RSI: 0000000003d153e5 RDI: 0000000000000000
<4>[  916.689877] RBP: ffffc90004807208 R08: 000000000027f7e4 R09: 0000000000000001
<4>[  916.689878] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41c
<4>[  916.689880] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e4003
<4>[  916.689881] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.689883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.689884] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.689886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.689887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.689889] Call Trace:
<4>[  916.689890]  <TASK>
<4>[  916.689892]  ? show_regs+0x6c/0x80
<4>[  916.689895]  ? __warn+0x93/0x1c0
<4>[  916.689899]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.689903]  ? report_bug+0x182/0x1b0
<4>[  916.689908]  ? handle_bug+0x6e/0xb0
<4>[  916.689910]  ? exc_invalid_op+0x18/0x80
<4>[  916.689913]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.689922]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.689926]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.689928]  ? mark_held_locks+0x46/0x90
<4>[  916.689940]  __iommu_map+0x119/0x2c0
<4>[  916.689949]  iommu_map_sg+0xbf/0x210
<4>[  916.689956]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.689966]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.692029]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  916.692289] hardirqs last disabled at (253989814): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  916.692423] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.692425] RAX: 0000000000000000 RBX: ffff888113765f30 RCX: 0000000000000000
<4>[  916.692427] RDX: 0000000000000000 RSI: 0000000003d153e6 RDI: 0000000000000000
<4>[  916.692428] RBP: ffffc90004807208 R08: 000000000027f7e5 R09: 0000000000000001
<4>[  916.692430] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41b
<4>[  916.692431] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e5003
<4>[  916.692433] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.692434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.692436] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.692438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.692439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.692440] Call Trace:
<4>[  916.692442]  <TASK>
<4>[  916.692443]  ? show_regs+0x6c/0x80
<4>[  916.692447]  ? __warn+0x93/0x1c0
<4>[  916.692450]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.692454]  ? report_bug+0x182/0x1b0
<4>[  916.692459]  ? handle_bug+0x6e/0xb0
<4>[  916.692461]  ? exc_invalid_op+0x18/0x80
<4>[  916.692464]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.692474]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.692477]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.692480]  ? mark_held_locks+0x46/0x90
<4>[  916.692491]  __iommu_map+0x119/0x2c0
<4>[  916.692500]  iommu_map_sg+0xbf/0x210
<4>[  916.692507]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.692517]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.694752]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.694824] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.694985] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.694987] RAX: 0000000000000000 RBX: ffff888113765f38 RCX: 0000000000000000
<4>[  916.694989] RDX: 0000000000000000 RSI: 0000000003d153e7 RDI: 0000000000000000
<4>[  916.694990] RBP: ffffc90004807208 R08: 000000000027f7e6 R09: 0000000000000001
<4>[  916.694992] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de41a
<4>[  916.694993] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e6003
<4>[  916.694995] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.694997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.694998] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.695000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.695001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.695002] Call Trace:
<4>[  916.695004]  <TASK>
<4>[  916.695005]  ? show_regs+0x6c/0x80
<4>[  916.695009]  ? __warn+0x93/0x1c0
<4>[  916.695012]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.695016]  ? report_bug+0x182/0x1b0
<4>[  916.695021]  ? handle_bug+0x6e/0xb0
<4>[  916.695024]  ? exc_invalid_op+0x18/0x80
<4>[  916.695027]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.695036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.695039]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.695042]  ? mark_held_locks+0x46/0x90
<4>[  916.695053]  __iommu_map+0x119/0x2c0
<4>[  916.695860]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  916.697382] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.697536] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.697540] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.697542] RAX: 0000000000000000 RBX: ffff888113765f40 RCX: 0000000000000000
<4>[  916.697544] RDX: 0000000000000000 RSI: 0000000003d153e8 RDI: 0000000000000000
<4>[  916.697545] RBP: ffffc90004807208 R08: 000000000027f7e7 R09: 0000000000000001
<4>[  916.697546] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de419
<4>[  916.697548] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e7003
<4>[  916.697550] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.697551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.697553] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.697554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.697556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.697557] Call Trace:
<4>[  916.697558]  <TASK>
<4>[  916.697560]  ? show_regs+0x6c/0x80
<4>[  916.697564]  ? __warn+0x93/0x1c0
<4>[  916.697567]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.697571]  ? report_bug+0x182/0x1b0
<4>[  916.697576]  ? handle_bug+0x6e/0xb0
<4>[  916.697578]  ? exc_invalid_op+0x18/0x80
<4>[  916.697587]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.697596]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.697600]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.697603]  ? mark_held_locks+0x46/0x90
<4>[  916.697614]  __iommu_map+0x119/0x2c0
<4>[  916.697623]  iommu_map_sg+0xbf/0x210
<4>[  916.697630]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.698111]  ? lock_acquire+0xc9/0x300
<4>[  916.699885]  ? lock_acquire+0xc9/0x300
<4>[  916.699940] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.700095] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.700099] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.700101] RAX: 0000000000000000 RBX: ffff888113765f48 RCX: 0000000000000000
<4>[  916.700103] RDX: 0000000000000000 RSI: 0000000003d153e9 RDI: 0000000000000000
<4>[  916.700104] RBP: ffffc90004807208 R08: 000000000027f7e8 R09: 0000000000000001
<4>[  916.700106] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de418
<4>[  916.700107] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e8003
<4>[  916.700109] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.700110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.700112] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.700114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.700115] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.700116] Call Trace:
<4>[  916.700118]  <TASK>
<4>[  916.700119]  ? show_regs+0x6c/0x80
<4>[  916.700123]  ? __warn+0x93/0x1c0
<4>[  916.700126]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.700130]  ? report_bug+0x182/0x1b0
<4>[  916.700135]  ? handle_bug+0x6e/0xb0
<4>[  916.700137]  ? exc_invalid_op+0x18/0x80
<4>[  916.700140]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.700149]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.700153]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.700156]  ? mark_held_locks+0x46/0x90
<4>[  916.700167]  __iommu_map+0x119/0x2c0
<4>[  916.700176]  iommu_map_sg+0xbf/0x210
<4>[  916.700183]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.700198]  dma_map_sgtable+0x1d/0x40
<4>[  916.702422]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.702497] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.702658] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.702662] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.702665] RAX: 0000000000000000 RBX: ffff888113765f50 RCX: 0000000000000000
<4>[  916.702666] RDX: 0000000000000000 RSI: 0000000003d153ea RDI: 0000000000000000
<4>[  916.702668] RBP: ffffc90004807208 R08: 000000000027f7e9 R09: 0000000000000001
<4>[  916.702669] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de417
<4>[  916.702671] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7e9003
<4>[  916.702673] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.702674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.702676] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.702678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.702679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.702681] Call Trace:
<4>[  916.702682]  <TASK>
<4>[  916.702684]  ? show_regs+0x6c/0x80
<4>[  916.702687]  ? __warn+0x93/0x1c0
<4>[  916.702690]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.702694]  ? report_bug+0x182/0x1b0
<4>[  916.702699]  ? handle_bug+0x6e/0xb0
<4>[  916.702702]  ? exc_invalid_op+0x18/0x80
<4>[  916.702705]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.702714]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.702717]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.702720]  ? mark_held_locks+0x46/0x90
<4>[  916.702732]  __iommu_map+0x119/0x2c0
<4>[  916.702741]  iommu_map_sg+0xbf/0x210
<4>[  916.702748]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.702758]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.704985]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.705059] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.705214] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.705218] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.705220] RAX: 0000000000000000 RBX: ffff888113765f58 RCX: 0000000000000000
<4>[  916.705221] RDX: 0000000000000000 RSI: 0000000003d153eb RDI: 0000000000000000
<4>[  916.705223] RBP: ffffc90004807208 R08: 000000000027f7ea R09: 0000000000000001
<4>[  916.705224] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de416
<4>[  916.705226] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ea003
<4>[  916.705228] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.705229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.705231] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.705232] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.705234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.705235] Call Trace:
<4>[  916.705237]  <TASK>
<4>[  916.705238]  ? show_regs+0x6c/0x80
<4>[  916.705242]  ? __warn+0x93/0x1c0
<4>[  916.705245]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.705249]  ? report_bug+0x182/0x1b0
<4>[  916.705254]  ? handle_bug+0x6e/0xb0
<4>[  916.705256]  ? exc_invalid_op+0x18/0x80
<4>[  916.705259]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.705268]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.705272]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.705275]  ? mark_held_locks+0x46/0x90
<4>[  916.705286]  __iommu_map+0x119/0x2c0
<4>[  916.705295]  iommu_map_sg+0xbf/0x210
<4>[  916.705302]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.705312]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.707538]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.707617] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.707773] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.707777] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.707779] RAX: 0000000000000000 RBX: ffff888113765f60 RCX: 0000000000000000
<4>[  916.707780] RDX: 0000000000000000 RSI: 0000000003d153ec RDI: 0000000000000000
<4>[  916.707782] RBP: ffffc90004807208 R08: 000000000027f7eb R09: 0000000000000001
<4>[  916.707783] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de415
<4>[  916.707785] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7eb003
<4>[  916.707786] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.707788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.707790] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.707791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.707793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.707794] Call Trace:
<4>[  916.707795]  <TASK>
<4>[  916.707797]  ? show_regs+0x6c/0x80
<4>[  916.707801]  ? __warn+0x93/0x1c0
<4>[  916.707804]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.707808]  ? report_bug+0x182/0x1b0
<4>[  916.707813]  ? handle_bug+0x6e/0xb0
<4>[  916.707815]  ? exc_invalid_op+0x18/0x80
<4>[  916.707818]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.707827]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.707831]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.707834]  ? mark_held_locks+0x46/0x90
<4>[  916.707845]  __iommu_map+0x119/0x2c0
<4>[  916.707854]  iommu_map_sg+0xbf/0x210
<4>[  916.707861]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.707871]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.710098]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.710172] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.710327] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.710331] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.710333] RAX: 0000000000000000 RBX: ffff888113765f68 RCX: 0000000000000000
<4>[  916.710335] RDX: 0000000000000000 RSI: 0000000003d153ed RDI: 0000000000000000
<4>[  916.710336] RBP: ffffc90004807208 R08: 000000000027f7ec R09: 0000000000000001
<4>[  916.710338] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de414
<4>[  916.710339] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ec003
<4>[  916.710341] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.710342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.710344] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.710345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.710347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.710348] Call Trace:
<4>[  916.710350]  <TASK>
<4>[  916.710351]  ? show_regs+0x6c/0x80
<4>[  916.710355]  ? __warn+0x93/0x1c0
<4>[  916.710358]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.710362]  ? report_bug+0x182/0x1b0
<4>[  916.710367]  ? handle_bug+0x6e/0xb0
<4>[  916.710369]  ? exc_invalid_op+0x18/0x80
<4>[  916.710372]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.710381]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.710385]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.710388]  ? mark_held_locks+0x46/0x90
<4>[  916.710399]  __iommu_map+0x119/0x2c0
<4>[  916.710408]  iommu_map_sg+0xbf/0x210
<4>[  916.710415]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.710425]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.712657]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.712732] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.712888] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.712891] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.712893] RAX: 0000000000000000 RBX: ffff888113765f70 RCX: 0000000000000000
<4>[  916.712895] RDX: 0000000000000000 RSI: 0000000003d153ee RDI: 0000000000000000
<4>[  916.712896] RBP: ffffc90004807208 R08: 000000000027f7ed R09: 0000000000000001
<4>[  916.712898] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de413
<4>[  916.712899] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ed003
<4>[  916.712901] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.712903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.712904] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.712906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.712907] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.712909] Call Trace:
<4>[  916.712910]  <TASK>
<4>[  916.712912]  ? show_regs+0x6c/0x80
<4>[  916.712915]  ? __warn+0x93/0x1c0
<4>[  916.712918]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.712922]  ? report_bug+0x182/0x1b0
<4>[  916.712927]  ? handle_bug+0x6e/0xb0
<4>[  916.712930]  ? exc_invalid_op+0x18/0x80
<4>[  916.712933]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.712942]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.712945]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.712948]  ? mark_held_locks+0x46/0x90
<4>[  916.712959]  __iommu_map+0x119/0x2c0
<4>[  916.712968]  iommu_map_sg+0xbf/0x210
<4>[  916.712975]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.712985]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.715215]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.715290] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.715445] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.715449] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.715451] RAX: 0000000000000000 RBX: ffff888113765f78 RCX: 0000000000000000
<4>[  916.715453] RDX: 0000000000000000 RSI: 0000000003d153ef RDI: 0000000000000000
<4>[  916.715454] RBP: ffffc90004807208 R08: 000000000027f7ee R09: 0000000000000001
<4>[  916.715455] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de412
<4>[  916.715457] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ee003
<4>[  916.715458] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.715460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.715462] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.715463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.715465] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.715466] Call Trace:
<4>[  916.715467]  <TASK>
<4>[  916.715469]  ? show_regs+0x6c/0x80
<4>[  916.715473]  ? __warn+0x93/0x1c0
<4>[  916.715476]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.715480]  ? report_bug+0x182/0x1b0
<4>[  916.715485]  ? handle_bug+0x6e/0xb0
<4>[  916.715487]  ? exc_invalid_op+0x18/0x80
<4>[  916.715490]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.715499]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.715503]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.715506]  ? mark_held_locks+0x46/0x90
<4>[  916.715517]  __iommu_map+0x119/0x2c0
<4>[  916.715526]  iommu_map_sg+0xbf/0x210
<4>[  916.715533]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.715543]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.717781]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.717856] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.718013] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.718017] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.718019] RAX: 0000000000000000 RBX: ffff888113765f80 RCX: 0000000000000000
<4>[  916.718020] RDX: 0000000000000000 RSI: 0000000003d153f0 RDI: 0000000000000000
<4>[  916.718022] RBP: ffffc90004807208 R08: 000000000027f7ef R09: 0000000000000001
<4>[  916.718023] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de411
<4>[  916.718025] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7ef003
<4>[  916.718026] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.718028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.718030] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.718031] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.718033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.718034] Call Trace:
<4>[  916.718035]  <TASK>
<4>[  916.718037]  ? show_regs+0x6c/0x80
<4>[  916.718041]  ? __warn+0x93/0x1c0
<4>[  916.718044]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.718048]  ? report_bug+0x182/0x1b0
<4>[  916.718053]  ? handle_bug+0x6e/0xb0
<4>[  916.718056]  ? exc_invalid_op+0x18/0x80
<4>[  916.718059]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.718068]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.718071]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.718074]  ? mark_held_locks+0x46/0x90
<4>[  916.718086]  __iommu_map+0x119/0x2c0
<4>[  916.718095]  iommu_map_sg+0xbf/0x210
<4>[  916.718102]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.718112]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.720343]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.720418] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.720576] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.720585] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.720588] RAX: 0000000000000000 RBX: ffff888113765f88 RCX: 0000000000000000
<4>[  916.720590] RDX: 0000000000000000 RSI: 0000000003d153f1 RDI: 0000000000000000
<4>[  916.720591] RBP: ffffc90004807208 R08: 000000000027f7f0 R09: 0000000000000001
<4>[  916.720592] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de410
<4>[  916.720594] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f0003
<4>[  916.720596] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.720597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.720599] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.720600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.720602] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.720603] Call Trace:
<4>[  916.720604]  <TASK>
<4>[  916.720606]  ? show_regs+0x6c/0x80
<4>[  916.720610]  ? __warn+0x93/0x1c0
<4>[  916.720613]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.720617]  ? report_bug+0x182/0x1b0
<4>[  916.720622]  ? handle_bug+0x6e/0xb0
<4>[  916.720625]  ? exc_invalid_op+0x18/0x80
<4>[  916.720628]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.720637]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.720641]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.720644]  ? mark_held_locks+0x46/0x90
<4>[  916.720655]  __iommu_map+0x119/0x2c0
<4>[  916.720664]  iommu_map_sg+0xbf/0x210
<4>[  916.720672]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.720682]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.722911]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.722987] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.723144] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.723148] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.723150] RAX: 0000000000000000 RBX: ffff888113765f90 RCX: 0000000000000000
<4>[  916.723152] RDX: 0000000000000000 RSI: 0000000003d153f2 RDI: 0000000000000000
<4>[  916.723153] RBP: ffffc90004807208 R08: 000000000027f7f1 R09: 0000000000000001
<4>[  916.723155] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40f
<4>[  916.723156] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f1003
<4>[  916.723158] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.723159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.723161] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.723162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.723164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.723165] Call Trace:
<4>[  916.723167]  <TASK>
<4>[  916.723168]  ? show_regs+0x6c/0x80
<4>[  916.723172]  ? __warn+0x93/0x1c0
<4>[  916.723175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.723179]  ? report_bug+0x182/0x1b0
<4>[  916.723184]  ? handle_bug+0x6e/0xb0
<4>[  916.723187]  ? exc_invalid_op+0x18/0x80
<4>[  916.723190]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.723199]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.723202]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.723205]  ? mark_held_locks+0x46/0x90
<4>[  916.723216]  __iommu_map+0x119/0x2c0
<4>[  916.723225]  iommu_map_sg+0xbf/0x210
<4>[  916.723233]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.723243]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.725473]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.725549] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.725712] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.725716] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.725719] RAX: 0000000000000000 RBX: ffff888113765f98 RCX: 0000000000000000
<4>[  916.725720] RDX: 0000000000000000 RSI: 0000000003d153f3 RDI: 0000000000000000
<4>[  916.725722] RBP: ffffc90004807208 R08: 000000000027f7f2 R09: 0000000000000001
<4>[  916.725723] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40e
<4>[  916.725725] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f2003
<4>[  916.725726] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.725728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.725730] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.725731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.725733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.725734] Call Trace:
<4>[  916.725735]  <TASK>
<4>[  916.725737]  ? show_regs+0x6c/0x80
<4>[  916.725741]  ? __warn+0x93/0x1c0
<4>[  916.725744]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.725748]  ? report_bug+0x182/0x1b0
<4>[  916.725753]  ? handle_bug+0x6e/0xb0
<4>[  916.725756]  ? exc_invalid_op+0x18/0x80
<4>[  916.725759]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.725768]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.725772]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.725775]  ? mark_held_locks+0x46/0x90
<4>[  916.725786]  __iommu_map+0x119/0x2c0
<4>[  916.725795]  iommu_map_sg+0xbf/0x210
<4>[  916.725802]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.725812]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.728048]  x64_sys_call+0x131e/0x2650
<4>[  916.728118] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.728275] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.728278] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.728281] RAX: 0000000000000000 RBX: ffff888113765fa0 RCX: 0000000000000000
<4>[  916.728282] RDX: 0000000000000000 RSI: 0000000003d153f4 RDI: 0000000000000000
<4>[  916.728283] RBP: ffffc90004807208 R08: 000000000027f7f3 R09: 0000000000000001
<4>[  916.728285] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40d
<4>[  916.728286] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f3003
<4>[  916.728288] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.728290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.728291] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.728293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.728294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.728296] Call Trace:
<4>[  916.728297]  <TASK>
<4>[  916.728299]  ? show_regs+0x6c/0x80
<4>[  916.728302]  ? __warn+0x93/0x1c0
<4>[  916.728305]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.728309]  ? report_bug+0x182/0x1b0
<4>[  916.728314]  ? handle_bug+0x6e/0xb0
<4>[  916.728317]  ? exc_invalid_op+0x18/0x80
<4>[  916.728320]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.728329]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.728332]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.728335]  ? mark_held_locks+0x46/0x90
<4>[  916.728347]  __iommu_map+0x119/0x2c0
<4>[  916.728356]  iommu_map_sg+0xbf/0x210
<4>[  916.728363]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.728373]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.730619]  x64_sys_call+0x131e/0x2650
<4>[  916.730691] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.730852] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.730856] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.730858] RAX: 0000000000000000 RBX: ffff888113765fa8 RCX: 0000000000000000
<4>[  916.730860] RDX: 0000000000000000 RSI: 0000000003d153f5 RDI: 0000000000000000
<4>[  916.730861] RBP: ffffc90004807208 R08: 000000000027f7f4 R09: 0000000000000001
<4>[  916.730863] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40c
<4>[  916.730864] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f4003
<4>[  916.730866] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.730867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.730869] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.730870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.730872] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.730873] Call Trace:
<4>[  916.730874]  <TASK>
<4>[  916.730876]  ? show_regs+0x6c/0x80
<4>[  916.730880]  ? __warn+0x93/0x1c0
<4>[  916.730883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.730887]  ? report_bug+0x182/0x1b0
<4>[  916.730892]  ? handle_bug+0x6e/0xb0
<4>[  916.730895]  ? exc_invalid_op+0x18/0x80
<4>[  916.730898]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.730907]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.730910]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.730913]  ? mark_held_locks+0x46/0x90
<4>[  916.730924]  __iommu_map+0x119/0x2c0
<4>[  916.730934]  iommu_map_sg+0xbf/0x210
<4>[  916.730941]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.731114]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.733246]  ? irqentry_exit+0x77/0xb0
<4>[  916.733282]  </TASK>
<4>[  916.733289] softirqs last  enabled at (254052270): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.733426] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.733428] RAX: 0000000000000000 RBX: ffff888113765fb0 RCX: 0000000000000000
<4>[  916.733430] RDX: 0000000000000000 RSI: 0000000003d153f6 RDI: 0000000000000000
<4>[  916.733431] RBP: ffffc90004807208 R08: 000000000027f7f5 R09: 0000000000000001
<4>[  916.733433] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40b
<4>[  916.733434] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f5003
<4>[  916.733436] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.733438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.733439] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.733441] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.733442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.733443] Call Trace:
<4>[  916.733445]  <TASK>
<4>[  916.733446]  ? show_regs+0x6c/0x80
<4>[  916.733450]  ? __warn+0x93/0x1c0
<4>[  916.733453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.733457]  ? report_bug+0x182/0x1b0
<4>[  916.733462]  ? handle_bug+0x6e/0xb0
<4>[  916.733465]  ? exc_invalid_op+0x18/0x80
<4>[  916.733468]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.733477]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.733481]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.733484]  ? mark_held_locks+0x46/0x90
<4>[  916.733495]  __iommu_map+0x119/0x2c0
<4>[  916.733504]  iommu_map_sg+0xbf/0x210
<4>[  916.733511]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.733521]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.735759]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.735833] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  916.735998] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.736001] RAX: 0000000000000000 RBX: ffff888113765fb8 RCX: 0000000000000000
<4>[  916.736002] RDX: 0000000000000000 RSI: 0000000003d153f7 RDI: 0000000000000000
<4>[  916.736004] RBP: ffffc90004807208 R08: 000000000027f7f6 R09: 0000000000000001
<4>[  916.736005] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de40a
<4>[  916.736007] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f6003
<4>[  916.736008] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.736010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.736011] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.736013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.736014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.736016] Call Trace:
<4>[  916.736017]  <TASK>
<4>[  916.736019]  ? show_regs+0x6c/0x80
<4>[  916.736022]  ? __warn+0x93/0x1c0
<4>[  916.736026]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.736030]  ? report_bug+0x182/0x1b0
<4>[  916.736035]  ? handle_bug+0x6e/0xb0
<4>[  916.736037]  ? exc_invalid_op+0x18/0x80
<4>[  916.736040]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.736049]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.736053]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.736056]  ? mark_held_locks+0x46/0x90
<4>[  916.736067]  __iommu_map+0x119/0x2c0
<4>[  916.737183]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  916.738402] RIP: 0033:0x719556d24ded
<4>[  916.738426]  </TASK>
<4>[  916.738436] softirqs last disabled at (254060245): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  916.738572] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.738574] RAX: 0000000000000000 RBX: ffff888113765fc0 RCX: 0000000000000000
<4>[  916.738576] RDX: 0000000000000000 RSI: 0000000003d153f8 RDI: 0000000000000000
<4>[  916.738577] RBP: ffffc90004807208 R08: 000000000027f7f7 R09: 0000000000000001
<4>[  916.738579] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de409
<4>[  916.738586] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f7003
<4>[  916.738587] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.738589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.738591] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.738592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.738594] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.738595] Call Trace:
<4>[  916.738596]  <TASK>
<4>[  916.738598]  ? show_regs+0x6c/0x80
<4>[  916.738602]  ? __warn+0x93/0x1c0
<4>[  916.738605]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.738609]  ? report_bug+0x182/0x1b0
<4>[  916.738614]  ? handle_bug+0x6e/0xb0
<4>[  916.738617]  ? exc_invalid_op+0x18/0x80
<4>[  916.738620]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.738629]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.738632]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.738636]  ? mark_held_locks+0x46/0x90
<4>[  916.738647]  __iommu_map+0x119/0x2c0
<4>[  916.738656]  iommu_map_sg+0xbf/0x210
<4>[  916.738663]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.738839]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  916.740981]  ? irqentry_exit+0x77/0xb0
<4>[  916.741004] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff2a23f5a0
<4>[  916.741164] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  916.741167] RAX: 0000000000000000 RBX: ffff888113765fc8 RCX: 0000000000000000
<4>[  916.741169] RDX: 0000000000000000 RSI: 0000000003d153f9 RDI: 0000000000000000
<4>[  916.741170] RBP: ffffc90004807208 R08: 000000000027f7f8 R09: 0000000000000001
<4>[  916.741172] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de408
<4>[  916.741173] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f8003
<4>[  916.741175] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.741177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.741178] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.741180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.741181] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.741183] Call Trace:
<4>[  916.741184]  <TASK>
<4>[  916.741186]  ? show_regs+0x6c/0x80
<4>[  916.741189]  ? __warn+0x93/0x1c0
<4>[  916.741193]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.741197]  ? report_bug+0x182/0x1b0
<4>[  916.741202]  ? handle_bug+0x6e/0xb0
<4>[  916.741204]  ? exc_invalid_op+0x18/0x80
<4>[  916.741207]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.741216]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.741220]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.741260]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.743500]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.743576] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.743750] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.743754] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.743756] RAX: 0000000000000000 RBX: ffff888113765fd0 RCX: 0000000000000000
<4>[  916.743757] RDX: 0000000000000000 RSI: 0000000003d153fa RDI: 0000000000000000
<4>[  916.743759] RBP: ffffc90004807208 R08: 000000000027f7f9 R09: 0000000000000001
<4>[  916.743760] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de407
<4>[  916.743762] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7f9003
<4>[  916.743763] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.743765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.743767] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.743768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.743769] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.743771] Call Trace:
<4>[  916.743772]  <TASK>
<4>[  916.743774]  ? show_regs+0x6c/0x80
<4>[  916.743778]  ? __warn+0x93/0x1c0
<4>[  916.743781]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.743785]  ? report_bug+0x182/0x1b0
<4>[  916.743790]  ? handle_bug+0x6e/0xb0
<4>[  916.743793]  ? exc_invalid_op+0x18/0x80
<4>[  916.743796]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.743805]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.743808]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.743811]  ? mark_held_locks+0x46/0x90
<4>[  916.743822]  __iommu_map+0x119/0x2c0
<4>[  916.743832]  iommu_map_sg+0xbf/0x210
<4>[  916.743839]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.743855]  dma_map_sgtable+0x1d/0x40
<4>[  916.746088]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.746165] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.746329] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.746332] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.746335] RAX: 0000000000000000 RBX: ffff888113765fd8 RCX: 0000000000000000
<4>[  916.746336] RDX: 0000000000000000 RSI: 0000000003d153fb RDI: 0000000000000000
<4>[  916.746338] RBP: ffffc90004807208 R08: 000000000027f7fa R09: 0000000000000001
<4>[  916.746339] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de406
<4>[  916.746341] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7fa003
<4>[  916.746342] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.746344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.746346] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.746347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.746348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.746350] Call Trace:
<4>[  916.746351]  <TASK>
<4>[  916.746353]  ? show_regs+0x6c/0x80
<4>[  916.746357]  ? __warn+0x93/0x1c0
<4>[  916.746360]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.746364]  ? report_bug+0x182/0x1b0
<4>[  916.746370]  ? handle_bug+0x6e/0xb0
<4>[  916.746372]  ? exc_invalid_op+0x18/0x80
<4>[  916.746375]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.746384]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.746388]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.746391]  ? mark_held_locks+0x46/0x90
<4>[  916.746402]  __iommu_map+0x119/0x2c0
<4>[  916.746411]  iommu_map_sg+0xbf/0x210
<4>[  916.746418]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.746429]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.748685]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.748762] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.748928] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.748931] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.748934] RAX: 0000000000000000 RBX: ffff888113765fe0 RCX: 0000000000000000
<4>[  916.748935] RDX: 0000000000000000 RSI: 0000000003d153fc RDI: 0000000000000000
<4>[  916.748937] RBP: ffffc90004807208 R08: 000000000027f7fb R09: 0000000000000001
<4>[  916.748938] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de405
<4>[  916.748939] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7fb003
<4>[  916.748941] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.748943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.748944] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.748946] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.748947] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.748949] Call Trace:
<4>[  916.748950]  <TASK>
<4>[  916.748952]  ? show_regs+0x6c/0x80
<4>[  916.748955]  ? __warn+0x93/0x1c0
<4>[  916.748959]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.748963]  ? report_bug+0x182/0x1b0
<4>[  916.748968]  ? handle_bug+0x6e/0xb0
<4>[  916.748971]  ? exc_invalid_op+0x18/0x80
<4>[  916.748973]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.748983]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.748986]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.748989]  ? mark_held_locks+0x46/0x90
<4>[  916.749000]  __iommu_map+0x119/0x2c0
<4>[  916.749010]  iommu_map_sg+0xbf/0x210
<4>[  916.749017]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.749027]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  916.751275]  x64_sys_call+0x131e/0x2650
<4>[  916.751347] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.751511] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.751515] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.751517] RAX: 0000000000000000 RBX: ffff888113765fe8 RCX: 0000000000000000
<4>[  916.751518] RDX: 0000000000000000 RSI: 0000000003d153fd RDI: 0000000000000000
<4>[  916.751520] RBP: ffffc90004807208 R08: 000000000027f7fc R09: 0000000000000001
<4>[  916.751521] R10: ffff888113765000 R11: 0000000000000000 R12: 00000000000de404
<4>[  916.751523] R13: 0000000000000000 R14: ffff88810194e988 R15: 000000027f7fc003
<4>[  916.751524] FS:  0000719554bd1940(0000) GS:ffff88845d700000(0000) knlGS:0000000000000000
<4>[  916.751526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  916.751527] CR2: 0000719556d24dc3 CR3: 000000013c03a004 CR4: 00000000003726f0
<4>[  916.751529] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  916.751530] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  916.751532] Call Trace:
<4>[  916.751533]  <TASK>
<4>[  916.751535]  ? show_regs+0x6c/0x80
<4>[  916.751538]  ? __warn+0x93/0x1c0
<4>[  916.751542]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.751546]  ? report_bug+0x182/0x1b0
<4>[  916.751551]  ? handle_bug+0x6e/0xb0
<4>[  916.751554]  ? exc_invalid_op+0x18/0x80
<4>[  916.751556]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  916.751566]  ? intel_iommu_map_pages+0x687/0x820
<4>[  916.751569]  ? intel_iommu_map_pages+0x664/0x820
<4>[  916.751572]  ? mark_held_locks+0x46/0x90
<4>[  916.751589]  __iommu_map+0x119/0x2c0
<4>[  916.751599]  iommu_map_sg+0xbf/0x210
<4>[  916.751606]  iommu_dma_map_sg+0x43b/0x520
<4>[  916.751622]  dma_map_sgtable+0x1d/0x40
<4>[  916.753855]  __x64_sys_ioctl+0xa4/0xe0
<4>[  916.753932] RSP: 002b:00007fff2a23f4e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  916.754096] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  916.754099] RSP: 0018:ffffc90004807148 EFLAGS: 00010246
<4>[  916.754101] RAX: 0000000000000000 RBX: ffff888113765ff0 RCX: 0000000000000000
<4>[  916.754103] RDX: 0000000000000000 RSI: 000000