<4>[  687.890890]  ? exc_invalid_op+0x18/0x80
<4>[  687.890893]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.890902]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.890906]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.890909]  ? mark_held_locks+0x46/0x90
<4>[  687.890920]  __iommu_map+0x119/0x2c0
<4>[  687.890929]  iommu_map_sg+0xbf/0x210
<4>[  687.890936]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.890946]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.890952]  dma_map_sgtable+0x1d/0x40
<4>[  687.892036]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  687.893247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.893405] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.893411] RAX: 0000000000000000 RBX: ffff888113a53d20 RCX: 0000000000000000
<4>[  687.893413] RDX: 0000000000000000 RSI: 0000000003e133a4 RDI: 0000000000000000
<4>[  687.893414] RBP: ffffc90001d6f248 R08: 0000000000277ba3 R09: 0000000000000001
<4>[  687.893416] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c5d
<4>[  687.893417] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba3003
<4>[  687.893419] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.893421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.893422] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.893424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.893425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.893427] Call Trace:
<4>[  687.893428]  <TASK>
<4>[  687.893429]  ? show_regs+0x6c/0x80
<4>[  687.893433]  ? __warn+0x93/0x1c0
<4>[  687.893436]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.893440]  ? report_bug+0x182/0x1b0
<4>[  687.893445]  ? handle_bug+0x6e/0xb0
<4>[  687.893448]  ? exc_invalid_op+0x18/0x80
<4>[  687.893451]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.893460]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.893463]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.893466]  ? mark_held_locks+0x46/0x90
<4>[  687.893478]  __iommu_map+0x119/0x2c0
<4>[  687.893487]  iommu_map_sg+0xbf/0x210
<4>[  687.893494]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.893504]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.893509]  dma_map_sgtable+0x1d/0x40
<4>[  687.893980]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  687.895801] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.895961] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.895967] RAX: 0000000000000000 RBX: ffff888113a53d28 RCX: 0000000000000000
<4>[  687.895968] RDX: 0000000000000000 RSI: 0000000003e133a5 RDI: 0000000000000000
<4>[  687.895970] RBP: ffffc90001d6f248 R08: 0000000000277ba4 R09: 0000000000000001
<4>[  687.895971] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c5c
<4>[  687.895973] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba4003
<4>[  687.895974] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.895976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.895977] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.895979] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.895980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.895982] Call Trace:
<4>[  687.895983]  <TASK>
<4>[  687.895985]  ? show_regs+0x6c/0x80
<4>[  687.895988]  ? __warn+0x93/0x1c0
<4>[  687.895992]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.895995]  ? report_bug+0x182/0x1b0
<4>[  687.896001]  ? handle_bug+0x6e/0xb0
<4>[  687.896003]  ? exc_invalid_op+0x18/0x80
<4>[  687.896006]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.896015]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.896019]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.896022]  ? mark_held_locks+0x46/0x90
<4>[  687.896033]  __iommu_map+0x119/0x2c0
<4>[  687.896042]  iommu_map_sg+0xbf/0x210
<4>[  687.896049]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.896059]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.896064]  dma_map_sgtable+0x1d/0x40
<4>[  687.896842]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.898363] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  687.898519] 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>[  687.898526] RBP: ffffc90001d6f248 R08: 0000000000277ba5 R09: 0000000000000001
<4>[  687.898527] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c5b
<4>[  687.898529] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba5003
<4>[  687.898530] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.898532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.898534] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.898535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.898537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.898538] Call Trace:
<4>[  687.898539]  <TASK>
<4>[  687.898541]  ? show_regs+0x6c/0x80
<4>[  687.898544]  ? __warn+0x93/0x1c0
<4>[  687.898548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.898551]  ? report_bug+0x182/0x1b0
<4>[  687.898556]  ? handle_bug+0x6e/0xb0
<4>[  687.898559]  ? exc_invalid_op+0x18/0x80
<4>[  687.898562]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.898571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.898574]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.898577]  ? mark_held_locks+0x46/0x90
<4>[  687.898589]  __iommu_map+0x119/0x2c0
<4>[  687.898598]  iommu_map_sg+0xbf/0x210
<4>[  687.898605]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.898615]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.899090]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  687.900912] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.901072] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.901078] RAX: 0000000000000000 RBX: ffff888113a53d38 RCX: 0000000000000000
<4>[  687.901079] RDX: 0000000000000000 RSI: 0000000003e133a7 RDI: 0000000000000000
<4>[  687.901080] RBP: ffffc90001d6f248 R08: 0000000000277ba6 R09: 0000000000000001
<4>[  687.901082] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c5a
<4>[  687.901083] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba6003
<4>[  687.901085] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.901087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.901088] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.901090] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.901091] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.901093] Call Trace:
<4>[  687.901094]  <TASK>
<4>[  687.901096]  ? show_regs+0x6c/0x80
<4>[  687.901099]  ? __warn+0x93/0x1c0
<4>[  687.901102]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.901106]  ? report_bug+0x182/0x1b0
<4>[  687.901111]  ? handle_bug+0x6e/0xb0
<4>[  687.901114]  ? exc_invalid_op+0x18/0x80
<4>[  687.901117]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.901126]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.901129]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.901132]  ? mark_held_locks+0x46/0x90
<4>[  687.901143]  __iommu_map+0x119/0x2c0
<4>[  687.901153]  iommu_map_sg+0xbf/0x210
<4>[  687.901160]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.901170]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.901175]  dma_map_sgtable+0x1d/0x40
<4>[  687.902265]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  687.903472] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.903629] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.903634] RAX: 0000000000000000 RBX: ffff888113a53d40 RCX: 0000000000000000
<4>[  687.903636] RDX: 0000000000000000 RSI: 0000000003e133a8 RDI: 0000000000000000
<4>[  687.903637] RBP: ffffc90001d6f248 R08: 0000000000277ba7 R09: 0000000000000001
<4>[  687.903639] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c59
<4>[  687.903640] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba7003
<4>[  687.903642] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.903644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.903645] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.903647] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.903648] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.903650] Call Trace:
<4>[  687.903651]  <TASK>
<4>[  687.903653]  ? show_regs+0x6c/0x80
<4>[  687.903656]  ? __warn+0x93/0x1c0
<4>[  687.903659]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.903663]  ? report_bug+0x182/0x1b0
<4>[  687.903668]  ? handle_bug+0x6e/0xb0
<4>[  687.903671]  ? exc_invalid_op+0x18/0x80
<4>[  687.903674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.903683]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.903686]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.903689]  ? mark_held_locks+0x46/0x90
<4>[  687.903701]  __iommu_map+0x119/0x2c0
<4>[  687.903710]  iommu_map_sg+0xbf/0x210
<4>[  687.903717]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.903727]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.903732]  dma_map_sgtable+0x1d/0x40
<4>[  687.904508]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.906023] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  687.906180] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.906182] RAX: 0000000000000000 RBX: ffff888113a53d48 RCX: 0000000000000000
<4>[  687.906184] RDX: 0000000000000000 RSI: 0000000003e133a9 RDI: 0000000000000000
<4>[  687.906185] RBP: ffffc90001d6f248 R08: 0000000000277ba8 R09: 0000000000000001
<4>[  687.906187] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c58
<4>[  687.906188] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba8003
<4>[  687.906190] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.906192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.906193] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.906195] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.906196] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.906197] Call Trace:
<4>[  687.906199]  <TASK>
<4>[  687.906200]  ? show_regs+0x6c/0x80
<4>[  687.906204]  ? __warn+0x93/0x1c0
<4>[  687.906207]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.906211]  ? report_bug+0x182/0x1b0
<4>[  687.906216]  ? handle_bug+0x6e/0xb0
<4>[  687.906219]  ? exc_invalid_op+0x18/0x80
<4>[  687.906222]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.906231]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.906234]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.906242]  ? mark_held_locks+0x46/0x90
<4>[  687.906254]  __iommu_map+0x119/0x2c0
<4>[  687.906263]  iommu_map_sg+0xbf/0x210
<4>[  687.906270]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.906280]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.906285]  dma_map_sgtable+0x1d/0x40
<4>[  687.907367]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  687.908575] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  687.908734] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.908737] RAX: 0000000000000000 RBX: ffff888113a53d50 RCX: 0000000000000000
<4>[  687.908738] RDX: 0000000000000000 RSI: 0000000003e133aa RDI: 0000000000000000
<4>[  687.908739] RBP: ffffc90001d6f248 R08: 0000000000277ba9 R09: 0000000000000001
<4>[  687.908741] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c57
<4>[  687.908742] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ba9003
<4>[  687.908744] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.908746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.908747] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.908749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.908750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.908752] Call Trace:
<4>[  687.908753]  <TASK>
<4>[  687.908755]  ? show_regs+0x6c/0x80
<4>[  687.908758]  ? __warn+0x93/0x1c0
<4>[  687.908761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.908765]  ? report_bug+0x182/0x1b0
<4>[  687.908770]  ? handle_bug+0x6e/0xb0
<4>[  687.908773]  ? exc_invalid_op+0x18/0x80
<4>[  687.908776]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.908785]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.908788]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.908791]  ? mark_held_locks+0x46/0x90
<4>[  687.908803]  __iommu_map+0x119/0x2c0
<4>[  687.908812]  iommu_map_sg+0xbf/0x210
<4>[  687.908819]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.908829]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.908834]  dma_map_sgtable+0x1d/0x40
<4>[  687.910567]  ? __lock_acquire+0x442/0x2810
<4>[  687.911125] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.911288] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.911294] RAX: 0000000000000000 RBX: ffff888113a53d58 RCX: 0000000000000000
<4>[  687.911295] RDX: 0000000000000000 RSI: 0000000003e133ab RDI: 0000000000000000
<4>[  687.911296] RBP: ffffc90001d6f248 R08: 0000000000277baa R09: 0000000000000001
<4>[  687.911298] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c56
<4>[  687.911300] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277baa003
<4>[  687.911301] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.911303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.911305] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.911306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.911308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.911309] Call Trace:
<4>[  687.911310]  <TASK>
<4>[  687.911312]  ? show_regs+0x6c/0x80
<4>[  687.911316]  ? __warn+0x93/0x1c0
<4>[  687.911319]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.911323]  ? report_bug+0x182/0x1b0
<4>[  687.911328]  ? handle_bug+0x6e/0xb0
<4>[  687.911331]  ? exc_invalid_op+0x18/0x80
<4>[  687.911334]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.911343]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.911346]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.911349]  ? mark_held_locks+0x46/0x90
<4>[  687.911360]  __iommu_map+0x119/0x2c0
<4>[  687.911370]  iommu_map_sg+0xbf/0x210
<4>[  687.911377]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.911387]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.911392]  dma_map_sgtable+0x1d/0x40
<4>[  687.912163]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.913688] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  687.913843] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.913845] RAX: 0000000000000000 RBX: ffff888113a53d60 RCX: 0000000000000000
<4>[  687.913847] RDX: 0000000000000000 RSI: 0000000003e133ac RDI: 0000000000000000
<4>[  687.913848] RBP: ffffc90001d6f248 R08: 0000000000277bab R09: 0000000000000001
<4>[  687.913850] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c55
<4>[  687.913851] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bab003
<4>[  687.913853] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.913854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.913856] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.913857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.913859] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.913860] Call Trace:
<4>[  687.913861]  <TASK>
<4>[  687.913863]  ? show_regs+0x6c/0x80
<4>[  687.913867]  ? __warn+0x93/0x1c0
<4>[  687.913870]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.913874]  ? report_bug+0x182/0x1b0
<4>[  687.913879]  ? handle_bug+0x6e/0xb0
<4>[  687.913882]  ? exc_invalid_op+0x18/0x80
<4>[  687.913885]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.913894]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.913897]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.913900]  ? mark_held_locks+0x46/0x90
<4>[  687.913911]  __iommu_map+0x119/0x2c0
<4>[  687.913920]  iommu_map_sg+0xbf/0x210
<4>[  687.913928]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.913937]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.913943]  dma_map_sgtable+0x1d/0x40
<4>[  687.916167]  __x64_sys_ioctl+0xa4/0xe0
<4>[  687.916233] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.916399] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.916405] RAX: 0000000000000000 RBX: ffff888113a53d68 RCX: 0000000000000000
<4>[  687.916406] RDX: 0000000000000000 RSI: 0000000003e133ad RDI: 0000000000000000
<4>[  687.916408] RBP: ffffc90001d6f248 R08: 0000000000277bac R09: 0000000000000001
<4>[  687.916409] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c54
<4>[  687.916411] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bac003
<4>[  687.916412] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.916414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.916416] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.916417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.916418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.916420] Call Trace:
<4>[  687.916421]  <TASK>
<4>[  687.916423]  ? show_regs+0x6c/0x80
<4>[  687.916426]  ? __warn+0x93/0x1c0
<4>[  687.916430]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.916433]  ? report_bug+0x182/0x1b0
<4>[  687.916439]  ? handle_bug+0x6e/0xb0
<4>[  687.916441]  ? exc_invalid_op+0x18/0x80
<4>[  687.916444]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.916453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.916457]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.916460]  ? mark_held_locks+0x46/0x90
<4>[  687.916471]  __iommu_map+0x119/0x2c0
<4>[  687.916480]  iommu_map_sg+0xbf/0x210
<4>[  687.916487]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.916497]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.916503]  dma_map_sgtable+0x1d/0x40
<4>[  687.917279]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.918795] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  687.918953] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.918955] RAX: 0000000000000000 RBX: ffff888113a53d70 RCX: 0000000000000000
<4>[  687.918956] RDX: 0000000000000000 RSI: 0000000003e133ae RDI: 0000000000000000
<4>[  687.918958] RBP: ffffc90001d6f248 R08: 0000000000277bad R09: 0000000000000001
<4>[  687.918959] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c53
<4>[  687.918961] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bad003
<4>[  687.918962] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.918964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.918966] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.918967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.918969] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.918970] Call Trace:
<4>[  687.918971]  <TASK>
<4>[  687.918973]  ? show_regs+0x6c/0x80
<4>[  687.918977]  ? __warn+0x93/0x1c0
<4>[  687.918980]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.918984]  ? report_bug+0x182/0x1b0
<4>[  687.918989]  ? handle_bug+0x6e/0xb0
<4>[  687.918991]  ? exc_invalid_op+0x18/0x80
<4>[  687.918994]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.919003]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.919007]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.919010]  ? mark_held_locks+0x46/0x90
<4>[  687.919021]  __iommu_map+0x119/0x2c0
<4>[  687.919030]  iommu_map_sg+0xbf/0x210
<4>[  687.919037]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.919047]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.919052]  dma_map_sgtable+0x1d/0x40
<4>[  687.921116]  drm_ioctl+0x2de/0x5a0
<4>[  687.921346] 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>[  687.921517] RDX: 0000000000000000 RSI: 0000000003e133af RDI: 0000000000000000
<4>[  687.921518] RBP: ffffc90001d6f248 R08: 0000000000277bae R09: 0000000000000001
<4>[  687.921520] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c52
<4>[  687.921521] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bae003
<4>[  687.921523] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.921524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.921526] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.921528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.921529] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.921530] Call Trace:
<4>[  687.921532]  <TASK>
<4>[  687.921534]  ? show_regs+0x6c/0x80
<4>[  687.921537]  ? __warn+0x93/0x1c0
<4>[  687.921540]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.921544]  ? report_bug+0x182/0x1b0
<4>[  687.921549]  ? handle_bug+0x6e/0xb0
<4>[  687.921552]  ? exc_invalid_op+0x18/0x80
<4>[  687.921555]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.921564]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.921567]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.921570]  ? mark_held_locks+0x46/0x90
<4>[  687.921581]  __iommu_map+0x119/0x2c0
<4>[  687.921590]  iommu_map_sg+0xbf/0x210
<4>[  687.921598]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.921608]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.921613]  dma_map_sgtable+0x1d/0x40
<4>[  687.923834]  __x64_sys_ioctl+0xa4/0xe0
<4>[  687.923900] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.924059] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.924065] RAX: 0000000000000000 RBX: ffff888113a53d80 RCX: 0000000000000000
<4>[  687.924066] RDX: 0000000000000000 RSI: 0000000003e133b0 RDI: 0000000000000000
<4>[  687.924067] RBP: ffffc90001d6f248 R08: 0000000000277baf R09: 0000000000000001
<4>[  687.924069] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c51
<4>[  687.924070] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277baf003
<4>[  687.924072] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.924074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.924075] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.924077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.924078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.924080] Call Trace:
<4>[  687.924081]  <TASK>
<4>[  687.924083]  ? show_regs+0x6c/0x80
<4>[  687.924087]  ? __warn+0x93/0x1c0
<4>[  687.924090]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.924094]  ? report_bug+0x182/0x1b0
<4>[  687.924099]  ? handle_bug+0x6e/0xb0
<4>[  687.924101]  ? exc_invalid_op+0x18/0x80
<4>[  687.924104]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.924113]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.924117]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.924120]  ? mark_held_locks+0x46/0x90
<4>[  687.924131]  __iommu_map+0x119/0x2c0
<4>[  687.924140]  iommu_map_sg+0xbf/0x210
<4>[  687.924147]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.924157]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.924163]  dma_map_sgtable+0x1d/0x40
<4>[  687.925091]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  687.926465] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.926625] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.926631] RAX: 0000000000000000 RBX: ffff888113a53d88 RCX: 0000000000000000
<4>[  687.926632] RDX: 0000000000000000 RSI: 0000000003e133b1 RDI: 0000000000000000
<4>[  687.926634] RBP: ffffc90001d6f248 R08: 0000000000277bb0 R09: 0000000000000001
<4>[  687.926635] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c50
<4>[  687.926637] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb0003
<4>[  687.926638] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.926640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.926642] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.926643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.926645] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.926646] Call Trace:
<4>[  687.926647]  <TASK>
<4>[  687.926649]  ? show_regs+0x6c/0x80
<4>[  687.926653]  ? __warn+0x93/0x1c0
<4>[  687.926656]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.926660]  ? report_bug+0x182/0x1b0
<4>[  687.926665]  ? handle_bug+0x6e/0xb0
<4>[  687.926668]  ? exc_invalid_op+0x18/0x80
<4>[  687.926671]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.926680]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.926683]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.926686]  ? mark_held_locks+0x46/0x90
<4>[  687.926698]  __iommu_map+0x119/0x2c0
<4>[  687.926707]  iommu_map_sg+0xbf/0x210
<4>[  687.926714]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.926724]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.926730]  dma_map_sgtable+0x1d/0x40
<4>[  687.927515]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.929034] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  687.929192] 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>[  687.929199] RBP: ffffc90001d6f248 R08: 0000000000277bb1 R09: 0000000000000001
<4>[  687.929201] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4f
<4>[  687.929202] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb1003
<4>[  687.929204] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.929205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.929207] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.929209] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.929210] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.929211] Call Trace:
<4>[  687.929213]  <TASK>
<4>[  687.929214]  ? show_regs+0x6c/0x80
<4>[  687.929218]  ? __warn+0x93/0x1c0
<4>[  687.929221]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.929225]  ? report_bug+0x182/0x1b0
<4>[  687.929230]  ? handle_bug+0x6e/0xb0
<4>[  687.929233]  ? exc_invalid_op+0x18/0x80
<4>[  687.929241]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.929250]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.929253]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.929256]  ? mark_held_locks+0x46/0x90
<4>[  687.929268]  __iommu_map+0x119/0x2c0
<4>[  687.929277]  iommu_map_sg+0xbf/0x210
<4>[  687.929284]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.929294]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.929303]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  687.931585] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.931745] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.931751] RAX: 0000000000000000 RBX: ffff888113a53d98 RCX: 0000000000000000
<4>[  687.931753] RDX: 0000000000000000 RSI: 0000000003e133b3 RDI: 0000000000000000
<4>[  687.931754] RBP: ffffc90001d6f248 R08: 0000000000277bb2 R09: 0000000000000001
<4>[  687.931756] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4e
<4>[  687.931757] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb2003
<4>[  687.931759] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.931760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.931762] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.931763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.931765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.931766] Call Trace:
<4>[  687.931768]  <TASK>
<4>[  687.931769]  ? show_regs+0x6c/0x80
<4>[  687.931773]  ? __warn+0x93/0x1c0
<4>[  687.931776]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.931780]  ? report_bug+0x182/0x1b0
<4>[  687.931785]  ? handle_bug+0x6e/0xb0
<4>[  687.931788]  ? exc_invalid_op+0x18/0x80
<4>[  687.931791]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.931800]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.931803]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.931806]  ? mark_held_locks+0x46/0x90
<4>[  687.931817]  __iommu_map+0x119/0x2c0
<4>[  687.931826]  iommu_map_sg+0xbf/0x210
<4>[  687.931833]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.931843]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.931849]  dma_map_sgtable+0x1d/0x40
<4>[  687.933578]  ? __lock_acquire+0x442/0x2810
<4>[  687.934137] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.934302] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.934308] RAX: 0000000000000000 RBX: ffff888113a53da0 RCX: 0000000000000000
<4>[  687.934310] RDX: 0000000000000000 RSI: 0000000003e133b4 RDI: 0000000000000000
<4>[  687.934311] RBP: ffffc90001d6f248 R08: 0000000000277bb3 R09: 0000000000000001
<4>[  687.934313] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4d
<4>[  687.934314] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb3003
<4>[  687.934316] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.934318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.934319] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.934321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.934322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.934324] Call Trace:
<4>[  687.934325]  <TASK>
<4>[  687.934327]  ? show_regs+0x6c/0x80
<4>[  687.934331]  ? __warn+0x93/0x1c0
<4>[  687.934334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.934338]  ? report_bug+0x182/0x1b0
<4>[  687.934343]  ? handle_bug+0x6e/0xb0
<4>[  687.934346]  ? exc_invalid_op+0x18/0x80
<4>[  687.934349]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.934358]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.934361]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.934364]  ? mark_held_locks+0x46/0x90
<4>[  687.934375]  __iommu_map+0x119/0x2c0
<4>[  687.934385]  iommu_map_sg+0xbf/0x210
<4>[  687.934392]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.934402]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.934407]  dma_map_sgtable+0x1d/0x40
<4>[  687.935493]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  687.936702] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.936860] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.936866] RAX: 0000000000000000 RBX: ffff888113a53da8 RCX: 0000000000000000
<4>[  687.936868] RDX: 0000000000000000 RSI: 0000000003e133b5 RDI: 0000000000000000
<4>[  687.936869] RBP: ffffc90001d6f248 R08: 0000000000277bb4 R09: 0000000000000001
<4>[  687.936871] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4c
<4>[  687.936872] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb4003
<4>[  687.936874] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.936875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.936877] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.936878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.936880] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.936881] Call Trace:
<4>[  687.936883]  <TASK>
<4>[  687.936884]  ? show_regs+0x6c/0x80
<4>[  687.936888]  ? __warn+0x93/0x1c0
<4>[  687.936891]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.936895]  ? report_bug+0x182/0x1b0
<4>[  687.936900]  ? handle_bug+0x6e/0xb0
<4>[  687.936903]  ? exc_invalid_op+0x18/0x80
<4>[  687.936906]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.936915]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.936918]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.936921]  ? mark_held_locks+0x46/0x90
<4>[  687.936932]  __iommu_map+0x119/0x2c0
<4>[  687.936942]  iommu_map_sg+0xbf/0x210
<4>[  687.936949]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.936959]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.936965]  dma_map_sgtable+0x1d/0x40
<4>[  687.937741]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.939262] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  687.939419] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.939421] RAX: 0000000000000000 RBX: ffff888113a53db0 RCX: 0000000000000000
<4>[  687.939423] RDX: 0000000000000000 RSI: 0000000003e133b6 RDI: 0000000000000000
<4>[  687.939424] RBP: ffffc90001d6f248 R08: 0000000000277bb5 R09: 0000000000000001
<4>[  687.939426] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4b
<4>[  687.939427] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb5003
<4>[  687.939429] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.939430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.939432] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.939434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.939435] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.939436] Call Trace:
<4>[  687.939438]  <TASK>
<4>[  687.939439]  ? show_regs+0x6c/0x80
<4>[  687.939443]  ? __warn+0x93/0x1c0
<4>[  687.939446]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.939450]  ? report_bug+0x182/0x1b0
<4>[  687.939455]  ? handle_bug+0x6e/0xb0
<4>[  687.939458]  ? exc_invalid_op+0x18/0x80
<4>[  687.939461]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.939470]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.939473]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.939476]  ? mark_held_locks+0x46/0x90
<4>[  687.939487]  __iommu_map+0x119/0x2c0
<4>[  687.939496]  iommu_map_sg+0xbf/0x210
<4>[  687.939503]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.939513]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.939519]  dma_map_sgtable+0x1d/0x40
<4>[  687.941571]  drm_ioctl_kernel+0xb2/0x120
<4>[  687.941804] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.941963] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.941969] RAX: 0000000000000000 RBX: ffff888113a53db8 RCX: 0000000000000000
<4>[  687.941970] RDX: 0000000000000000 RSI: 0000000003e133b7 RDI: 0000000000000000
<4>[  687.941972] RBP: ffffc90001d6f248 R08: 0000000000277bb6 R09: 0000000000000001
<4>[  687.941973] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c4a
<4>[  687.941975] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb6003
<4>[  687.941976] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.941978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.941979] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.941981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.941982] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.941984] Call Trace:
<4>[  687.941985]  <TASK>
<4>[  687.941987]  ? show_regs+0x6c/0x80
<4>[  687.941990]  ? __warn+0x93/0x1c0
<4>[  687.941993]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.941997]  ? report_bug+0x182/0x1b0
<4>[  687.942002]  ? handle_bug+0x6e/0xb0
<4>[  687.942005]  ? exc_invalid_op+0x18/0x80
<4>[  687.942008]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.942017]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.942020]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.942023]  ? mark_held_locks+0x46/0x90
<4>[  687.942034]  __iommu_map+0x119/0x2c0
<4>[  687.942043]  iommu_map_sg+0xbf/0x210
<4>[  687.942050]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.942060]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.942066]  dma_map_sgtable+0x1d/0x40
<4>[  687.943824]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  687.944377]  </TASK>
<4>[  687.944384] softirqs last  enabled at (233460284): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  687.944523] RAX: 0000000000000000 RBX: ffff888113a53dc0 RCX: 0000000000000000
<4>[  687.944525] RDX: 0000000000000000 RSI: 0000000003e133b8 RDI: 0000000000000000
<4>[  687.944526] RBP: ffffc90001d6f248 R08: 0000000000277bb7 R09: 0000000000000001
<4>[  687.944528] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c49
<4>[  687.944529] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb7003
<4>[  687.944531] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.944532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.944534] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.944535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.944537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.944538] Call Trace:
<4>[  687.944539]  <TASK>
<4>[  687.944541]  ? show_regs+0x6c/0x80
<4>[  687.944545]  ? __warn+0x93/0x1c0
<4>[  687.944548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.944552]  ? report_bug+0x182/0x1b0
<4>[  687.944557]  ? handle_bug+0x6e/0xb0
<4>[  687.944559]  ? exc_invalid_op+0x18/0x80
<4>[  687.944562]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.944571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.944575]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.944578]  ? mark_held_locks+0x46/0x90
<4>[  687.944589]  __iommu_map+0x119/0x2c0
<4>[  687.944598]  iommu_map_sg+0xbf/0x210
<4>[  687.944605]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.944615]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.944621]  dma_map_sgtable+0x1d/0x40
<4>[  687.945547]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  687.946910] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.947067] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.947072] RAX: 0000000000000000 RBX: ffff888113a53dc8 RCX: 0000000000000000
<4>[  687.947074] RDX: 0000000000000000 RSI: 0000000003e133b9 RDI: 0000000000000000
<4>[  687.947075] RBP: ffffc90001d6f248 R08: 0000000000277bb8 R09: 0000000000000001
<4>[  687.947077] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c48
<4>[  687.947078] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb8003
<4>[  687.947080] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.947082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.947083] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.947085] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.947086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.947088] Call Trace:
<4>[  687.947089]  <TASK>
<4>[  687.947091]  ? show_regs+0x6c/0x80
<4>[  687.947094]  ? __warn+0x93/0x1c0
<4>[  687.947097]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.947101]  ? report_bug+0x182/0x1b0
<4>[  687.947106]  ? handle_bug+0x6e/0xb0
<4>[  687.947109]  ? exc_invalid_op+0x18/0x80
<4>[  687.947112]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.947121]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.947124]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.947127]  ? mark_held_locks+0x46/0x90
<4>[  687.947139]  __iommu_map+0x119/0x2c0
<4>[  687.947148]  iommu_map_sg+0xbf/0x210
<4>[  687.947155]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.947165]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.947170]  dma_map_sgtable+0x1d/0x40
<4>[  687.947642]  ? lock_acquire+0xc9/0x300
<4>[  687.949452]  ? clear_bhb_loop+0x15/0x70
<4>[  687.949481]  </TASK>
<4>[  687.949489] softirqs last  enabled at (233468252): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  687.949627] RAX: 0000000000000000 RBX: ffff888113a53dd0 RCX: 0000000000000000
<4>[  687.949629] RDX: 0000000000000000 RSI: 0000000003e133ba RDI: 0000000000000000
<4>[  687.949630] RBP: ffffc90001d6f248 R08: 0000000000277bb9 R09: 0000000000000001
<4>[  687.949632] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c47
<4>[  687.949633] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bb9003
<4>[  687.949635] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.949636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.949638] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.949639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.949641] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.949642] Call Trace:
<4>[  687.949644]  <TASK>
<4>[  687.949645]  ? show_regs+0x6c/0x80
<4>[  687.949649]  ? __warn+0x93/0x1c0
<4>[  687.949652]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.949656]  ? report_bug+0x182/0x1b0
<4>[  687.949661]  ? handle_bug+0x6e/0xb0
<4>[  687.949664]  ? exc_invalid_op+0x18/0x80
<4>[  687.949667]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.949676]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.949679]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.949682]  ? mark_held_locks+0x46/0x90
<4>[  687.949693]  __iommu_map+0x119/0x2c0
<4>[  687.949703]  iommu_map_sg+0xbf/0x210
<4>[  687.949710]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.949720]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.949725]  dma_map_sgtable+0x1d/0x40
<4>[  687.951780]  drm_ioctl_kernel+0xb2/0x120
<4>[  687.952013] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.952171] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.952177] RAX: 0000000000000000 RBX: ffff888113a53dd8 RCX: 0000000000000000
<4>[  687.952179] RDX: 0000000000000000 RSI: 0000000003e133bb RDI: 0000000000000000
<4>[  687.952180] RBP: ffffc90001d6f248 R08: 0000000000277bba R09: 0000000000000001
<4>[  687.952182] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c46
<4>[  687.952183] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bba003
<4>[  687.952185] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.952187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.952188] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.952190] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.952191] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.952193] Call Trace:
<4>[  687.952194]  <TASK>
<4>[  687.952196]  ? show_regs+0x6c/0x80
<4>[  687.952199]  ? __warn+0x93/0x1c0
<4>[  687.952202]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.952206]  ? report_bug+0x182/0x1b0
<4>[  687.952211]  ? handle_bug+0x6e/0xb0
<4>[  687.952214]  ? exc_invalid_op+0x18/0x80
<4>[  687.952217]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.952226]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.952229]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.952232]  ? mark_held_locks+0x46/0x90
<4>[  687.952248]  __iommu_map+0x119/0x2c0
<4>[  687.952257]  iommu_map_sg+0xbf/0x210
<4>[  687.952264]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.952275]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.952280]  dma_map_sgtable+0x1d/0x40
<4>[  687.953052]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.954576] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  687.954731] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.954733] RAX: 0000000000000000 RBX: ffff888113a53de0 RCX: 0000000000000000
<4>[  687.954735] RDX: 0000000000000000 RSI: 0000000003e133bc RDI: 0000000000000000
<4>[  687.954736] RBP: ffffc90001d6f248 R08: 0000000000277bbb R09: 0000000000000001
<4>[  687.954738] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c45
<4>[  687.954739] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bbb003
<4>[  687.954741] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.954742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.954744] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.954745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.954747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.954748] Call Trace:
<4>[  687.954750]  <TASK>
<4>[  687.954751]  ? show_regs+0x6c/0x80
<4>[  687.954755]  ? __warn+0x93/0x1c0
<4>[  687.954758]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.954762]  ? report_bug+0x182/0x1b0
<4>[  687.954767]  ? handle_bug+0x6e/0xb0
<4>[  687.954770]  ? exc_invalid_op+0x18/0x80
<4>[  687.954773]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.954782]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.954785]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.954788]  ? mark_held_locks+0x46/0x90
<4>[  687.954799]  __iommu_map+0x119/0x2c0
<4>[  687.954808]  iommu_map_sg+0xbf/0x210
<4>[  687.954815]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.954825]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.954831]  dma_map_sgtable+0x1d/0x40
<4>[  687.957058]  x64_sys_call+0x131e/0x2650
<4>[  687.957123] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  687.957284] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.957290] RAX: 0000000000000000 RBX: ffff888113a53de8 RCX: 0000000000000000
<4>[  687.957291] RDX: 0000000000000000 RSI: 0000000003e133bd RDI: 0000000000000000
<4>[  687.957292] RBP: ffffc90001d6f248 R08: 0000000000277bbc R09: 0000000000000001
<4>[  687.957294] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c44
<4>[  687.957295] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bbc003
<4>[  687.957297] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.957299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.957300] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.957302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.957303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.957305] Call Trace:
<4>[  687.957306]  <TASK>
<4>[  687.957308]  ? show_regs+0x6c/0x80
<4>[  687.957312]  ? __warn+0x93/0x1c0
<4>[  687.957315]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.957319]  ? report_bug+0x182/0x1b0
<4>[  687.957324]  ? handle_bug+0x6e/0xb0
<4>[  687.957327]  ? exc_invalid_op+0x18/0x80
<4>[  687.957330]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.957339]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.957342]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.957345]  ? mark_held_locks+0x46/0x90
<4>[  687.957357]  __iommu_map+0x119/0x2c0
<4>[  687.957366]  iommu_map_sg+0xbf/0x210
<4>[  687.957373]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.957383]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.957388]  dma_map_sgtable+0x1d/0x40
<4>[  687.959115]  ? __lock_acquire+0x442/0x2810
<4>[  687.959677] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.959837] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.959843] RAX: 0000000000000000 RBX: ffff888113a53df0 RCX: 0000000000000000
<4>[  687.959844] RDX: 0000000000000000 RSI: 0000000003e133be RDI: 0000000000000000
<4>[  687.959846] RBP: ffffc90001d6f248 R08: 0000000000277bbd R09: 0000000000000001
<4>[  687.959847] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c43
<4>[  687.959849] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bbd003
<4>[  687.959850] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.959852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.959854] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.959855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.959857] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.959858] Call Trace:
<4>[  687.959859]  <TASK>
<4>[  687.959861]  ? show_regs+0x6c/0x80
<4>[  687.959864]  ? __warn+0x93/0x1c0
<4>[  687.959868]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.959872]  ? report_bug+0x182/0x1b0
<4>[  687.959877]  ? handle_bug+0x6e/0xb0
<4>[  687.959879]  ? exc_invalid_op+0x18/0x80
<4>[  687.959882]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.959891]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.959895]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.959898]  ? mark_held_locks+0x46/0x90
<4>[  687.959909]  __iommu_map+0x119/0x2c0
<4>[  687.959918]  iommu_map_sg+0xbf/0x210
<4>[  687.959925]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.959935]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.959940]  dma_map_sgtable+0x1d/0x40
<4>[  687.961997]  drm_ioctl_kernel+0xb2/0x120
<4>[  687.962231] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.962396] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.962402] RAX: 0000000000000000 RBX: ffff888113a53df8 RCX: 0000000000000000
<4>[  687.962403] RDX: 0000000000000000 RSI: 0000000003e133bf RDI: 0000000000000000
<4>[  687.962405] RBP: ffffc90001d6f248 R08: 0000000000277bbe R09: 0000000000000001
<4>[  687.962406] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c42
<4>[  687.962407] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bbe003
<4>[  687.962409] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.962411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.962412] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.962414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.962415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.962417] Call Trace:
<4>[  687.962418]  <TASK>
<4>[  687.962420]  ? show_regs+0x6c/0x80
<4>[  687.962423]  ? __warn+0x93/0x1c0
<4>[  687.962427]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.962431]  ? report_bug+0x182/0x1b0
<4>[  687.962436]  ? handle_bug+0x6e/0xb0
<4>[  687.962438]  ? exc_invalid_op+0x18/0x80
<4>[  687.962441]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.962451]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.962454]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.962457]  ? mark_held_locks+0x46/0x90
<4>[  687.962468]  __iommu_map+0x119/0x2c0
<4>[  687.962477]  iommu_map_sg+0xbf/0x210
<4>[  687.962484]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.962494]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.962500]  dma_map_sgtable+0x1d/0x40
<4>[  687.963427]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  687.964791] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.964947] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.964953] RAX: 0000000000000000 RBX: ffff888113a53e00 RCX: 0000000000000000
<4>[  687.964955] RDX: 0000000000000000 RSI: 0000000003e133c0 RDI: 0000000000000000
<4>[  687.964956] RBP: ffffc90001d6f248 R08: 0000000000277bbf R09: 0000000000000001
<4>[  687.964958] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c41
<4>[  687.964959] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bbf003
<4>[  687.964961] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.964962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.964964] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.964966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.964967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.964968] Call Trace:
<4>[  687.964970]  <TASK>
<4>[  687.964971]  ? show_regs+0x6c/0x80
<4>[  687.964975]  ? __warn+0x93/0x1c0
<4>[  687.964978]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.964982]  ? report_bug+0x182/0x1b0
<4>[  687.964987]  ? handle_bug+0x6e/0xb0
<4>[  687.964990]  ? exc_invalid_op+0x18/0x80
<4>[  687.964993]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.965002]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.965005]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.965008]  ? mark_held_locks+0x46/0x90
<4>[  687.965019]  __iommu_map+0x119/0x2c0
<4>[  687.965029]  iommu_map_sg+0xbf/0x210
<4>[  687.965036]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.965046]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.965051]  dma_map_sgtable+0x1d/0x40
<4>[  687.965976]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  687.967349] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.967507] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.967513] RAX: 0000000000000000 RBX: ffff888113a53e08 RCX: 0000000000000000
<4>[  687.967515] RDX: 0000000000000000 RSI: 0000000003e133c1 RDI: 0000000000000000
<4>[  687.967516] RBP: ffffc90001d6f248 R08: 0000000000277bc0 R09: 0000000000000001
<4>[  687.967518] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c40
<4>[  687.967519] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc0003
<4>[  687.967521] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.967523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.967524] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.967526] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.967527] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.967529] Call Trace:
<4>[  687.967530]  <TASK>
<4>[  687.967532]  ? show_regs+0x6c/0x80
<4>[  687.967535]  ? __warn+0x93/0x1c0
<4>[  687.967539]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.967542]  ? report_bug+0x182/0x1b0
<4>[  687.967547]  ? handle_bug+0x6e/0xb0
<4>[  687.967550]  ? exc_invalid_op+0x18/0x80
<4>[  687.967553]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.967562]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.967566]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.967569]  ? mark_held_locks+0x46/0x90
<4>[  687.967580]  __iommu_map+0x119/0x2c0
<4>[  687.967589]  iommu_map_sg+0xbf/0x210
<4>[  687.967596]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.967606]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.967611]  dma_map_sgtable+0x1d/0x40
<4>[  687.968388]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  687.969908] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  687.970064] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.970067] RAX: 0000000000000000 RBX: ffff888113a53e10 RCX: 0000000000000000
<4>[  687.970068] RDX: 0000000000000000 RSI: 0000000003e133c2 RDI: 0000000000000000
<4>[  687.970070] RBP: ffffc90001d6f248 R08: 0000000000277bc1 R09: 0000000000000001
<4>[  687.970071] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3f
<4>[  687.970073] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc1003
<4>[  687.970074] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.970076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.970077] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.970079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.970080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.970082] Call Trace:
<4>[  687.970083]  <TASK>
<4>[  687.970085]  ? show_regs+0x6c/0x80
<4>[  687.970088]  ? __warn+0x93/0x1c0
<4>[  687.970092]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.970095]  ? report_bug+0x182/0x1b0
<4>[  687.970100]  ? handle_bug+0x6e/0xb0
<4>[  687.970103]  ? exc_invalid_op+0x18/0x80
<4>[  687.970106]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.970115]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.970119]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.970122]  ? mark_held_locks+0x46/0x90
<4>[  687.970133]  __iommu_map+0x119/0x2c0
<4>[  687.970142]  iommu_map_sg+0xbf/0x210
<4>[  687.970149]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.970159]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.970164]  dma_map_sgtable+0x1d/0x40
<4>[  687.971251]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  687.972459] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  687.972617] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.972623] RAX: 0000000000000000 RBX: ffff888113a53e18 RCX: 0000000000000000
<4>[  687.972624] RDX: 0000000000000000 RSI: 0000000003e133c3 RDI: 0000000000000000
<4>[  687.972626] RBP: ffffc90001d6f248 R08: 0000000000277bc2 R09: 0000000000000001
<4>[  687.972627] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3e
<4>[  687.972629] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc2003
<4>[  687.972630] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.972632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.972634] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.972635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.972637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.972638] Call Trace:
<4>[  687.972639]  <TASK>
<4>[  687.972641]  ? show_regs+0x6c/0x80
<4>[  687.972645]  ? __warn+0x93/0x1c0
<4>[  687.972648]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.972652]  ? report_bug+0x182/0x1b0
<4>[  687.972657]  ? handle_bug+0x6e/0xb0
<4>[  687.972659]  ? exc_invalid_op+0x18/0x80
<4>[  687.972662]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.972671]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.972675]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.972678]  ? mark_held_locks+0x46/0x90
<4>[  687.972689]  __iommu_map+0x119/0x2c0
<4>[  687.972698]  iommu_map_sg+0xbf/0x210
<4>[  687.972705]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.972715]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.972721]  dma_map_sgtable+0x1d/0x40
<4>[  687.974419]  ? lock_acquire+0xc9/0x300
<4>[  687.975009] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.975169] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.975175] RAX: 0000000000000000 RBX: ffff888113a53e20 RCX: 0000000000000000
<4>[  687.975176] RDX: 0000000000000000 RSI: 0000000003e133c4 RDI: 0000000000000000
<4>[  687.975178] RBP: ffffc90001d6f248 R08: 0000000000277bc3 R09: 0000000000000001
<4>[  687.975179] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3d
<4>[  687.975180] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc3003
<4>[  687.975182] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.975184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.975185] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.975187] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.975188] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.975190] Call Trace:
<4>[  687.975191]  <TASK>
<4>[  687.975193]  ? show_regs+0x6c/0x80
<4>[  687.975196]  ? __warn+0x93/0x1c0
<4>[  687.975200]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.975203]  ? report_bug+0x182/0x1b0
<4>[  687.975209]  ? handle_bug+0x6e/0xb0
<4>[  687.975211]  ? exc_invalid_op+0x18/0x80
<4>[  687.975214]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.975223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.975227]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.975230]  ? mark_held_locks+0x46/0x90
<4>[  687.975246]  __iommu_map+0x119/0x2c0
<4>[  687.975255]  iommu_map_sg+0xbf/0x210
<4>[  687.975262]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.975272]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.975278]  dma_map_sgtable+0x1d/0x40
<4>[  687.975746]  ? lock_acquire+0xc9/0x300
<4>[  687.977556]  ? clear_bhb_loop+0x15/0x70
<4>[  687.977574] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  687.977729] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  687.977731] RAX: 0000000000000000 RBX: ffff888113a53e28 RCX: 0000000000000000
<4>[  687.977733] RDX: 0000000000000000 RSI: 0000000003e133c5 RDI: 0000000000000000
<4>[  687.977734] RBP: ffffc90001d6f248 R08: 0000000000277bc4 R09: 0000000000000001
<4>[  687.977736] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3c
<4>[  687.977737] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc4003
<4>[  687.977739] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.977741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.977742] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.977744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.977745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.977746] Call Trace:
<4>[  687.977748]  <TASK>
<4>[  687.977749]  ? show_regs+0x6c/0x80
<4>[  687.977753]  ? __warn+0x93/0x1c0
<4>[  687.977756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.977760]  ? report_bug+0x182/0x1b0
<4>[  687.977765]  ? handle_bug+0x6e/0xb0
<4>[  687.977768]  ? exc_invalid_op+0x18/0x80
<4>[  687.977771]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.977780]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.977783]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.977786]  ? mark_held_locks+0x46/0x90
<4>[  687.977797]  __iommu_map+0x119/0x2c0
<4>[  687.977806]  iommu_map_sg+0xbf/0x210
<4>[  687.977814]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.977824]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.977832]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  687.980118] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.980283] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.980288] RAX: 0000000000000000 RBX: ffff888113a53e30 RCX: 0000000000000000
<4>[  687.980290] RDX: 0000000000000000 RSI: 0000000003e133c6 RDI: 0000000000000000
<4>[  687.980291] RBP: ffffc90001d6f248 R08: 0000000000277bc5 R09: 0000000000000001
<4>[  687.980293] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3b
<4>[  687.980294] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc5003
<4>[  687.980296] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.980298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.980299] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.980301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.980302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.980304] Call Trace:
<4>[  687.980305]  <TASK>
<4>[  687.980307]  ? show_regs+0x6c/0x80
<4>[  687.980311]  ? __warn+0x93/0x1c0
<4>[  687.980314]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.980318]  ? report_bug+0x182/0x1b0
<4>[  687.980323]  ? handle_bug+0x6e/0xb0
<4>[  687.980326]  ? exc_invalid_op+0x18/0x80
<4>[  687.980329]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.980338]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.980341]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.980344]  ? mark_held_locks+0x46/0x90
<4>[  687.980355]  __iommu_map+0x119/0x2c0
<4>[  687.980364]  iommu_map_sg+0xbf/0x210
<4>[  687.980372]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.980382]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.980387]  dma_map_sgtable+0x1d/0x40
<4>[  687.980854]  ? lock_acquire+0xc9/0x300
<4>[  687.982664]  ? clear_bhb_loop+0x15/0x70
<4>[  687.982696] hardirqs last  enabled at (233520899): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  687.982839] RAX: 0000000000000000 RBX: ffff888113a53e38 RCX: 0000000000000000
<4>[  687.982840] RDX: 0000000000000000 RSI: 0000000003e133c7 RDI: 0000000000000000
<4>[  687.982841] RBP: ffffc90001d6f248 R08: 0000000000277bc6 R09: 0000000000000001
<4>[  687.982843] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c3a
<4>[  687.982844] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc6003
<4>[  687.982846] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.982848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.982849] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.982851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.982852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.982854] Call Trace:
<4>[  687.982855]  <TASK>
<4>[  687.982857]  ? show_regs+0x6c/0x80
<4>[  687.982860]  ? __warn+0x93/0x1c0
<4>[  687.982863]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.982867]  ? report_bug+0x182/0x1b0
<4>[  687.982872]  ? handle_bug+0x6e/0xb0
<4>[  687.982875]  ? exc_invalid_op+0x18/0x80
<4>[  687.982878]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.982887]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.982890]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.982893]  ? mark_held_locks+0x46/0x90
<4>[  687.982904]  __iommu_map+0x119/0x2c0
<4>[  687.982913]  iommu_map_sg+0xbf/0x210
<4>[  687.982921]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.982931]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.982936]  dma_map_sgtable+0x1d/0x40
<4>[  687.983252]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  687.985222] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.985388] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.985394] RAX: 0000000000000000 RBX: ffff888113a53e40 RCX: 0000000000000000
<4>[  687.985395] RDX: 0000000000000000 RSI: 0000000003e133c8 RDI: 0000000000000000
<4>[  687.985397] RBP: ffffc90001d6f248 R08: 0000000000277bc7 R09: 0000000000000001
<4>[  687.985398] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c39
<4>[  687.985400] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc7003
<4>[  687.985401] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.985403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.985405] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.985406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.985408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.985409] Call Trace:
<4>[  687.985410]  <TASK>
<4>[  687.985412]  ? show_regs+0x6c/0x80
<4>[  687.985416]  ? __warn+0x93/0x1c0
<4>[  687.985419]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.985423]  ? report_bug+0x182/0x1b0
<4>[  687.985428]  ? handle_bug+0x6e/0xb0
<4>[  687.985430]  ? exc_invalid_op+0x18/0x80
<4>[  687.985433]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.985442]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.985446]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.985449]  ? mark_held_locks+0x46/0x90
<4>[  687.985460]  __iommu_map+0x119/0x2c0
<4>[  687.985469]  iommu_map_sg+0xbf/0x210
<4>[  687.985476]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.985486]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.985491]  dma_map_sgtable+0x1d/0x40
<4>[  687.985964]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  687.987779] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.987939] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.987945] RAX: 0000000000000000 RBX: ffff888113a53e48 RCX: 0000000000000000
<4>[  687.987947] RDX: 0000000000000000 RSI: 0000000003e133c9 RDI: 0000000000000000
<4>[  687.987948] RBP: ffffc90001d6f248 R08: 0000000000277bc8 R09: 0000000000000001
<4>[  687.987949] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c38
<4>[  687.987951] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc8003
<4>[  687.987953] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.987954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.987956] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.987957] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.987959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.987960] Call Trace:
<4>[  687.987961]  <TASK>
<4>[  687.987963]  ? show_regs+0x6c/0x80
<4>[  687.987967]  ? __warn+0x93/0x1c0
<4>[  687.987970]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.987974]  ? report_bug+0x182/0x1b0
<4>[  687.987979]  ? handle_bug+0x6e/0xb0
<4>[  687.987981]  ? exc_invalid_op+0x18/0x80
<4>[  687.987984]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.987993]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.987997]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.988000]  ? mark_held_locks+0x46/0x90
<4>[  687.988011]  __iommu_map+0x119/0x2c0
<4>[  687.988020]  iommu_map_sg+0xbf/0x210
<4>[  687.988027]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.988037]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.988042]  dma_map_sgtable+0x1d/0x40
<4>[  687.988514]  ? lock_acquire+0xc9/0x300
<4>[  687.990323]  ? clear_bhb_loop+0x15/0x70
<4>[  687.990357] hardirqs last  enabled at (233532855): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  687.990500] RAX: 0000000000000000 RBX: ffff888113a53e50 RCX: 0000000000000000
<4>[  687.990501] RDX: 0000000000000000 RSI: 0000000003e133ca RDI: 0000000000000000
<4>[  687.990503] RBP: ffffc90001d6f248 R08: 0000000000277bc9 R09: 0000000000000001
<4>[  687.990504] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c37
<4>[  687.990506] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bc9003
<4>[  687.990507] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.990509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.990511] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.990512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.990513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.990515] Call Trace:
<4>[  687.990516]  <TASK>
<4>[  687.990518]  ? show_regs+0x6c/0x80
<4>[  687.990521]  ? __warn+0x93/0x1c0
<4>[  687.990525]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.990529]  ? report_bug+0x182/0x1b0
<4>[  687.990534]  ? handle_bug+0x6e/0xb0
<4>[  687.990536]  ? exc_invalid_op+0x18/0x80
<4>[  687.990539]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.990548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.990552]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.990555]  ? mark_held_locks+0x46/0x90
<4>[  687.990566]  __iommu_map+0x119/0x2c0
<4>[  687.990575]  iommu_map_sg+0xbf/0x210
<4>[  687.990582]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.990592]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.990598]  dma_map_sgtable+0x1d/0x40
<4>[  687.990601]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  687.992884] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.993042] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.993048] RAX: 0000000000000000 RBX: ffff888113a53e58 RCX: 0000000000000000
<4>[  687.993049] RDX: 0000000000000000 RSI: 0000000003e133cb RDI: 0000000000000000
<4>[  687.993051] RBP: ffffc90001d6f248 R08: 0000000000277bca R09: 0000000000000001
<4>[  687.993052] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c36
<4>[  687.993054] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bca003
<4>[  687.993055] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.993057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.993058] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.993060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.993061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.993063] Call Trace:
<4>[  687.993064]  <TASK>
<4>[  687.993066]  ? show_regs+0x6c/0x80
<4>[  687.993069]  ? __warn+0x93/0x1c0
<4>[  687.993073]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.993076]  ? report_bug+0x182/0x1b0
<4>[  687.993082]  ? handle_bug+0x6e/0xb0
<4>[  687.993084]  ? exc_invalid_op+0x18/0x80
<4>[  687.993087]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.993096]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.993099]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.993102]  ? mark_held_locks+0x46/0x90
<4>[  687.993114]  __iommu_map+0x119/0x2c0
<4>[  687.993123]  iommu_map_sg+0xbf/0x210
<4>[  687.993130]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.993140]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.993145]  dma_map_sgtable+0x1d/0x40
<4>[  687.993463]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  687.995439] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.995599] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.995605] RAX: 0000000000000000 RBX: ffff888113a53e60 RCX: 0000000000000000
<4>[  687.995606] RDX: 0000000000000000 RSI: 0000000003e133cc RDI: 0000000000000000
<4>[  687.995608] RBP: ffffc90001d6f248 R08: 0000000000277bcb R09: 0000000000000001
<4>[  687.995609] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c35
<4>[  687.995611] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bcb003
<4>[  687.995612] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.995614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.995615] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.995617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.995618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.995620] Call Trace:
<4>[  687.995621]  <TASK>
<4>[  687.995623]  ? show_regs+0x6c/0x80
<4>[  687.995626]  ? __warn+0x93/0x1c0
<4>[  687.995630]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.995634]  ? report_bug+0x182/0x1b0
<4>[  687.995639]  ? handle_bug+0x6e/0xb0
<4>[  687.995641]  ? exc_invalid_op+0x18/0x80
<4>[  687.995644]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.995653]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.995657]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.995660]  ? mark_held_locks+0x46/0x90
<4>[  687.995671]  __iommu_map+0x119/0x2c0
<4>[  687.995680]  iommu_map_sg+0xbf/0x210
<4>[  687.995687]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.995697]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.995702]  dma_map_sgtable+0x1d/0x40
<4>[  687.997413]  ? __kernel_text_address+0x12/0x50
<4>[  687.997989] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  687.998148] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  687.998154] RAX: 0000000000000000 RBX: ffff888113a53e68 RCX: 0000000000000000
<4>[  687.998155] RDX: 0000000000000000 RSI: 0000000003e133cd RDI: 0000000000000000
<4>[  687.998157] RBP: ffffc90001d6f248 R08: 0000000000277bcc R09: 0000000000000001
<4>[  687.998158] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c34
<4>[  687.998160] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bcc003
<4>[  687.998161] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  687.998163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  687.998164] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  687.998166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  687.998167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  687.998169] Call Trace:
<4>[  687.998170]  <TASK>
<4>[  687.998172]  ? show_regs+0x6c/0x80
<4>[  687.998175]  ? __warn+0x93/0x1c0
<4>[  687.998178]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.998182]  ? report_bug+0x182/0x1b0
<4>[  687.998187]  ? handle_bug+0x6e/0xb0
<4>[  687.998190]  ? exc_invalid_op+0x18/0x80
<4>[  687.998193]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  687.998202]  ? intel_iommu_map_pages+0x687/0x820
<4>[  687.998205]  ? intel_iommu_map_pages+0x664/0x820
<4>[  687.998208]  ? mark_held_locks+0x46/0x90
<4>[  687.998219]  __iommu_map+0x119/0x2c0
<4>[  687.998228]  iommu_map_sg+0xbf/0x210
<4>[  687.998240]  iommu_dma_map_sg+0x43b/0x520
<4>[  687.998251]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  687.998256]  dma_map_sgtable+0x1d/0x40
<4>[  687.999178]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.000547] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.000704] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.000710] RAX: 0000000000000000 RBX: ffff888113a53e70 RCX: 0000000000000000
<4>[  688.000712] RDX: 0000000000000000 RSI: 0000000003e133ce RDI: 0000000000000000
<4>[  688.000713] RBP: ffffc90001d6f248 R08: 0000000000277bcd R09: 0000000000000001
<4>[  688.000715] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c33
<4>[  688.000716] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bcd003
<4>[  688.000718] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.000719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.000721] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.000722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.000724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.000725] Call Trace:
<4>[  688.000726]  <TASK>
<4>[  688.000728]  ? show_regs+0x6c/0x80
<4>[  688.000732]  ? __warn+0x93/0x1c0
<4>[  688.000735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.000739]  ? report_bug+0x182/0x1b0
<4>[  688.000744]  ? handle_bug+0x6e/0xb0
<4>[  688.000747]  ? exc_invalid_op+0x18/0x80
<4>[  688.000750]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.000759]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.000762]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.000765]  ? mark_held_locks+0x46/0x90
<4>[  688.000776]  __iommu_map+0x119/0x2c0
<4>[  688.000785]  iommu_map_sg+0xbf/0x210
<4>[  688.000792]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.000803]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.000808]  dma_map_sgtable+0x1d/0x40
<4>[  688.003028]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.003094] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.003258] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.003264] RAX: 0000000000000000 RBX: ffff888113a53e78 RCX: 0000000000000000
<4>[  688.003266] RDX: 0000000000000000 RSI: 0000000003e133cf RDI: 0000000000000000
<4>[  688.003267] RBP: ffffc90001d6f248 R08: 0000000000277bce R09: 0000000000000001
<4>[  688.003269] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c32
<4>[  688.003270] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bce003
<4>[  688.003272] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.003273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.003275] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.003276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.003278] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.003279] Call Trace:
<4>[  688.003281]  <TASK>
<4>[  688.003282]  ? show_regs+0x6c/0x80
<4>[  688.003286]  ? __warn+0x93/0x1c0
<4>[  688.003289]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.003293]  ? report_bug+0x182/0x1b0
<4>[  688.003298]  ? handle_bug+0x6e/0xb0
<4>[  688.003301]  ? exc_invalid_op+0x18/0x80
<4>[  688.003304]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.003313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.003316]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.003319]  ? mark_held_locks+0x46/0x90
<4>[  688.003330]  __iommu_map+0x119/0x2c0
<4>[  688.003340]  iommu_map_sg+0xbf/0x210
<4>[  688.003347]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.003357]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.003362]  dma_map_sgtable+0x1d/0x40
<4>[  688.004288]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.005654] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.005816] 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>[  688.005821] RDX: 0000000000000000 RSI: 0000000003e133d0 RDI: 0000000000000000
<4>[  688.005823] RBP: ffffc90001d6f248 R08: 0000000000277bcf R09: 0000000000000001
<4>[  688.005824] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c31
<4>[  688.005826] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bcf003
<4>[  688.005827] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.005829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.005830] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.005832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.005833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.005835] Call Trace:
<4>[  688.005836]  <TASK>
<4>[  688.005838]  ? show_regs+0x6c/0x80
<4>[  688.005841]  ? __warn+0x93/0x1c0
<4>[  688.005845]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.005848]  ? report_bug+0x182/0x1b0
<4>[  688.005853]  ? handle_bug+0x6e/0xb0
<4>[  688.005856]  ? exc_invalid_op+0x18/0x80
<4>[  688.005859]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.005868]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.005871]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.005874]  ? mark_held_locks+0x46/0x90
<4>[  688.005886]  __iommu_map+0x119/0x2c0
<4>[  688.005895]  iommu_map_sg+0xbf/0x210
<4>[  688.006546]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.008212] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.008376] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.008378] RAX: 0000000000000000 RBX: ffff888113a53e88 RCX: 0000000000000000
<4>[  688.008379] RDX: 0000000000000000 RSI: 0000000003e133d1 RDI: 0000000000000000
<4>[  688.008381] RBP: ffffc90001d6f248 R08: 0000000000277bd0 R09: 0000000000000001
<4>[  688.008382] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c30
<4>[  688.008384] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd0003
<4>[  688.008385] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.008387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.008389] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.008390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.008392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.008393] Call Trace:
<4>[  688.008394]  <TASK>
<4>[  688.008396]  ? show_regs+0x6c/0x80
<4>[  688.008400]  ? __warn+0x93/0x1c0
<4>[  688.008403]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.008407]  ? report_bug+0x182/0x1b0
<4>[  688.008412]  ? handle_bug+0x6e/0xb0
<4>[  688.008414]  ? exc_invalid_op+0x18/0x80
<4>[  688.008417]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.008426]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.008430]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.008433]  ? mark_held_locks+0x46/0x90
<4>[  688.008444]  __iommu_map+0x119/0x2c0
<4>[  688.008453]  iommu_map_sg+0xbf/0x210
<4>[  688.008460]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.008470]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.008476]  dma_map_sgtable+0x1d/0x40
<4>[  688.010175]  ? lock_acquire+0xc9/0x300
<4>[  688.010772] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.010935] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.010941] RAX: 0000000000000000 RBX: ffff888113a53e90 RCX: 0000000000000000
<4>[  688.010942] RDX: 0000000000000000 RSI: 0000000003e133d2 RDI: 0000000000000000
<4>[  688.010944] RBP: ffffc90001d6f248 R08: 0000000000277bd1 R09: 0000000000000001
<4>[  688.010945] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2f
<4>[  688.010947] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd1003
<4>[  688.010948] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.010950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.010952] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.010953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.010955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.010956] Call Trace:
<4>[  688.010957]  <TASK>
<4>[  688.010959]  ? show_regs+0x6c/0x80
<4>[  688.010963]  ? __warn+0x93/0x1c0
<4>[  688.010966]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.010970]  ? report_bug+0x182/0x1b0
<4>[  688.010975]  ? handle_bug+0x6e/0xb0
<4>[  688.010977]  ? exc_invalid_op+0x18/0x80
<4>[  688.010980]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.010989]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.010993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.010996]  ? mark_held_locks+0x46/0x90
<4>[  688.011007]  __iommu_map+0x119/0x2c0
<4>[  688.011016]  iommu_map_sg+0xbf/0x210
<4>[  688.011023]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.011033]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.011039]  dma_map_sgtable+0x1d/0x40
<4>[  688.011516]  ? lock_acquire+0xc9/0x300
<4>[  688.013329]  ? clear_bhb_loop+0x15/0x70
<4>[  688.013361]  </TASK>
<4>[  688.013369] softirqs last  enabled at (233567858): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.013512] RAX: 0000000000000000 RBX: ffff888113a53e98 RCX: 0000000000000000
<4>[  688.013513] RDX: 0000000000000000 RSI: 0000000003e133d3 RDI: 0000000000000000
<4>[  688.013515] RBP: ffffc90001d6f248 R08: 0000000000277bd2 R09: 0000000000000001
<4>[  688.013516] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2e
<4>[  688.013518] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd2003
<4>[  688.013519] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.013521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.013523] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.013524] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.013525] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.013527] Call Trace:
<4>[  688.013528]  <TASK>
<4>[  688.013530]  ? show_regs+0x6c/0x80
<4>[  688.013534]  ? __warn+0x93/0x1c0
<4>[  688.013537]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.013541]  ? report_bug+0x182/0x1b0
<4>[  688.013546]  ? handle_bug+0x6e/0xb0
<4>[  688.013549]  ? exc_invalid_op+0x18/0x80
<4>[  688.013552]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.013561]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.013564]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.013567]  ? mark_held_locks+0x46/0x90
<4>[  688.013578]  __iommu_map+0x119/0x2c0
<4>[  688.013587]  iommu_map_sg+0xbf/0x210
<4>[  688.013594]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.013605]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.013610]  dma_map_sgtable+0x1d/0x40
<4>[  688.015345]  ? lock_release+0xd4/0x2b0
<4>[  688.015899] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.016061] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.016067] RAX: 0000000000000000 RBX: ffff888113a53ea0 RCX: 0000000000000000
<4>[  688.016068] RDX: 0000000000000000 RSI: 0000000003e133d4 RDI: 0000000000000000
<4>[  688.016070] RBP: ffffc90001d6f248 R08: 0000000000277bd3 R09: 0000000000000001
<4>[  688.016071] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2d
<4>[  688.016073] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd3003
<4>[  688.016074] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.016076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.016077] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.016079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.016080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.016082] Call Trace:
<4>[  688.016083]  <TASK>
<4>[  688.016085]  ? show_regs+0x6c/0x80
<4>[  688.016089]  ? __warn+0x93/0x1c0
<4>[  688.016092]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.016096]  ? report_bug+0x182/0x1b0
<4>[  688.016101]  ? handle_bug+0x6e/0xb0
<4>[  688.016104]  ? exc_invalid_op+0x18/0x80
<4>[  688.016107]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.016116]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.016119]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.016122]  ? mark_held_locks+0x46/0x90
<4>[  688.016133]  __iommu_map+0x119/0x2c0
<4>[  688.016142]  iommu_map_sg+0xbf/0x210
<4>[  688.016150]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.016160]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.016165]  dma_map_sgtable+0x1d/0x40
<4>[  688.016482]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.018458] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.018617] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.018623] RAX: 0000000000000000 RBX: ffff888113a53ea8 RCX: 0000000000000000
<4>[  688.018625] RDX: 0000000000000000 RSI: 0000000003e133d5 RDI: 0000000000000000
<4>[  688.018626] RBP: ffffc90001d6f248 R08: 0000000000277bd4 R09: 0000000000000001
<4>[  688.018628] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2c
<4>[  688.018629] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd4003
<4>[  688.018631] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.018632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.018634] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.018636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.018637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.018638] Call Trace:
<4>[  688.018640]  <TASK>
<4>[  688.018641]  ? show_regs+0x6c/0x80
<4>[  688.018645]  ? __warn+0x93/0x1c0
<4>[  688.018648]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.018652]  ? report_bug+0x182/0x1b0
<4>[  688.018657]  ? handle_bug+0x6e/0xb0
<4>[  688.018660]  ? exc_invalid_op+0x18/0x80
<4>[  688.018663]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.018672]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.018675]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.018678]  ? mark_held_locks+0x46/0x90
<4>[  688.018689]  __iommu_map+0x119/0x2c0
<4>[  688.018699]  iommu_map_sg+0xbf/0x210
<4>[  688.018706]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.018716]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.018721]  dma_map_sgtable+0x1d/0x40
<4>[  688.019648]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.021012] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.021173] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.021179] RAX: 0000000000000000 RBX: ffff888113a53eb0 RCX: 0000000000000000
<4>[  688.021180] RDX: 0000000000000000 RSI: 0000000003e133d6 RDI: 0000000000000000
<4>[  688.021181] RBP: ffffc90001d6f248 R08: 0000000000277bd5 R09: 0000000000000001
<4>[  688.021183] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2b
<4>[  688.021185] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd5003
<4>[  688.021186] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.021188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.021189] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.021191] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.021192] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.021194] Call Trace:
<4>[  688.021195]  <TASK>
<4>[  688.021197]  ? show_regs+0x6c/0x80
<4>[  688.021200]  ? __warn+0x93/0x1c0
<4>[  688.021204]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.021207]  ? report_bug+0x182/0x1b0
<4>[  688.021213]  ? handle_bug+0x6e/0xb0
<4>[  688.021215]  ? exc_invalid_op+0x18/0x80
<4>[  688.021218]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.021227]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.021231]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.021239]  ? mark_held_locks+0x46/0x90
<4>[  688.021250]  __iommu_map+0x119/0x2c0
<4>[  688.021259]  iommu_map_sg+0xbf/0x210
<4>[  688.021266]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.021276]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.021282]  dma_map_sgtable+0x1d/0x40
<4>[  688.022975]  ? lock_acquire+0xc9/0x300
<4>[  688.023567] RIP: 0033:0x702727724ded
<4>[  688.023593] hardirqs last  enabled at (233584645): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.023736] RAX: 0000000000000000 RBX: ffff888113a53eb8 RCX: 0000000000000000
<4>[  688.023738] RDX: 0000000000000000 RSI: 0000000003e133d7 RDI: 0000000000000000
<4>[  688.023739] RBP: ffffc90001d6f248 R08: 0000000000277bd6 R09: 0000000000000001
<4>[  688.023740] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c2a
<4>[  688.023742] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd6003
<4>[  688.023743] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.023745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.023747] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.023748] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.023750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.023751] Call Trace:
<4>[  688.023752]  <TASK>
<4>[  688.023754]  ? show_regs+0x6c/0x80
<4>[  688.023758]  ? __warn+0x93/0x1c0
<4>[  688.023761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.023765]  ? report_bug+0x182/0x1b0
<4>[  688.023770]  ? handle_bug+0x6e/0xb0
<4>[  688.023772]  ? exc_invalid_op+0x18/0x80
<4>[  688.023775]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.023784]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.023788]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.023791]  ? mark_held_locks+0x46/0x90
<4>[  688.023802]  __iommu_map+0x119/0x2c0
<4>[  688.023811]  iommu_map_sg+0xbf/0x210
<4>[  688.023818]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.023828]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.023833]  dma_map_sgtable+0x1d/0x40
<4>[  688.024304]  ? lock_acquire+0xc9/0x300
<4>[  688.026107]  ? clear_bhb_loop+0x15/0x70
<4>[  688.026127] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.026285] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.026287] RAX: 0000000000000000 RBX: ffff888113a53ec0 RCX: 0000000000000000
<4>[  688.026289] RDX: 0000000000000000 RSI: 0000000003e133d8 RDI: 0000000000000000
<4>[  688.026290] RBP: ffffc90001d6f248 R08: 0000000000277bd7 R09: 0000000000000001
<4>[  688.026291] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c29
<4>[  688.026293] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd7003
<4>[  688.026294] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.026296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.026298] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.026299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.026301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.026302] Call Trace:
<4>[  688.026304]  <TASK>
<4>[  688.026305]  ? show_regs+0x6c/0x80
<4>[  688.026309]  ? __warn+0x93/0x1c0
<4>[  688.026312]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.026316]  ? report_bug+0x182/0x1b0
<4>[  688.026321]  ? handle_bug+0x6e/0xb0
<4>[  688.026324]  ? exc_invalid_op+0x18/0x80
<4>[  688.026327]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.026336]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.026340]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.026343]  ? mark_held_locks+0x46/0x90
<4>[  688.026354]  __iommu_map+0x119/0x2c0
<4>[  688.026363]  iommu_map_sg+0xbf/0x210
<4>[  688.026370]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.026380]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.026386]  dma_map_sgtable+0x1d/0x40
<4>[  688.028606]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.028671] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.028831] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.028837] RAX: 0000000000000000 RBX: ffff888113a53ec8 RCX: 0000000000000000
<4>[  688.028838] RDX: 0000000000000000 RSI: 0000000003e133d9 RDI: 0000000000000000
<4>[  688.028839] RBP: ffffc90001d6f248 R08: 0000000000277bd8 R09: 0000000000000001
<4>[  688.028841] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c28
<4>[  688.028842] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd8003
<4>[  688.028844] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.028846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.028847] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.028849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.028850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.028852] Call Trace:
<4>[  688.028853]  <TASK>
<4>[  688.028855]  ? show_regs+0x6c/0x80
<4>[  688.028858]  ? __warn+0x93/0x1c0
<4>[  688.028861]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.028865]  ? report_bug+0x182/0x1b0
<4>[  688.028870]  ? handle_bug+0x6e/0xb0
<4>[  688.028873]  ? exc_invalid_op+0x18/0x80
<4>[  688.028876]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.028885]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.028888]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.028891]  ? mark_held_locks+0x46/0x90
<4>[  688.028903]  __iommu_map+0x119/0x2c0
<4>[  688.028912]  iommu_map_sg+0xbf/0x210
<4>[  688.028919]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.028929]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.028934]  dma_map_sgtable+0x1d/0x40
<4>[  688.030680]  ? __might_fault+0x53/0xb0
<4>[  688.031221] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.031386] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.031392] RAX: 0000000000000000 RBX: ffff888113a53ed0 RCX: 0000000000000000
<4>[  688.031393] RDX: 0000000000000000 RSI: 0000000003e133da RDI: 0000000000000000
<4>[  688.031395] RBP: ffffc90001d6f248 R08: 0000000000277bd9 R09: 0000000000000001
<4>[  688.031396] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c27
<4>[  688.031398] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bd9003
<4>[  688.031399] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.031401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.031403] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.031404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.031406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.031407] Call Trace:
<4>[  688.031408]  <TASK>
<4>[  688.031410]  ? show_regs+0x6c/0x80
<4>[  688.031413]  ? __warn+0x93/0x1c0
<4>[  688.031417]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.031420]  ? report_bug+0x182/0x1b0
<4>[  688.031426]  ? handle_bug+0x6e/0xb0
<4>[  688.031428]  ? exc_invalid_op+0x18/0x80
<4>[  688.031431]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.031440]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.031444]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.031447]  ? mark_held_locks+0x46/0x90
<4>[  688.031458]  __iommu_map+0x119/0x2c0
<4>[  688.031467]  iommu_map_sg+0xbf/0x210
<4>[  688.031474]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.031484]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.031489]  dma_map_sgtable+0x1d/0x40
<4>[  688.031956]  ? lock_acquire+0xc9/0x300
<4>[  688.033765]  ? clear_bhb_loop+0x15/0x70
<4>[  688.033799] hardirqs last  enabled at (233600581): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.033942] RAX: 0000000000000000 RBX: ffff888113a53ed8 RCX: 0000000000000000
<4>[  688.033943] RDX: 0000000000000000 RSI: 0000000003e133db RDI: 0000000000000000
<4>[  688.033944] RBP: ffffc90001d6f248 R08: 0000000000277bda R09: 0000000000000001
<4>[  688.033946] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c26
<4>[  688.033947] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bda003
<4>[  688.033949] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.033951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.033952] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.033954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.033955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.033957] Call Trace:
<4>[  688.033958]  <TASK>
<4>[  688.033960]  ? show_regs+0x6c/0x80
<4>[  688.033963]  ? __warn+0x93/0x1c0
<4>[  688.033966]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.033970]  ? report_bug+0x182/0x1b0
<4>[  688.033975]  ? handle_bug+0x6e/0xb0
<4>[  688.033978]  ? exc_invalid_op+0x18/0x80
<4>[  688.033981]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.033990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.033993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.033996]  ? mark_held_locks+0x46/0x90
<4>[  688.034007]  __iommu_map+0x119/0x2c0
<4>[  688.034016]  iommu_map_sg+0xbf/0x210
<4>[  688.034024]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.034033]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.034039]  dma_map_sgtable+0x1d/0x40
<4>[  688.034042]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.036328] 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>[  688.036497] RDX: 0000000000000000 RSI: 0000000003e133dc RDI: 0000000000000000
<4>[  688.036498] RBP: ffffc90001d6f248 R08: 0000000000277bdb R09: 0000000000000001
<4>[  688.036499] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c25
<4>[  688.036501] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bdb003
<4>[  688.036503] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.036504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.036506] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.036507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.036509] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.036510] Call Trace:
<4>[  688.036511]  <TASK>
<4>[  688.036513]  ? show_regs+0x6c/0x80
<4>[  688.036517]  ? __warn+0x93/0x1c0
<4>[  688.036520]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.036524]  ? report_bug+0x182/0x1b0
<4>[  688.036529]  ? handle_bug+0x6e/0xb0
<4>[  688.036531]  ? exc_invalid_op+0x18/0x80
<4>[  688.036534]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.036543]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.036547]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.036550]  ? mark_held_locks+0x46/0x90
<4>[  688.036561]  __iommu_map+0x119/0x2c0
<4>[  688.036570]  iommu_map_sg+0xbf/0x210
<4>[  688.036577]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.036587]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.036905]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.038883] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.039042] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.039049] RAX: 0000000000000000 RBX: ffff888113a53ee8 RCX: 0000000000000000
<4>[  688.039050] RDX: 0000000000000000 RSI: 0000000003e133dd RDI: 0000000000000000
<4>[  688.039051] RBP: ffffc90001d6f248 R08: 0000000000277bdc R09: 0000000000000001
<4>[  688.039053] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c24
<4>[  688.039054] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bdc003
<4>[  688.039056] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.039058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.039059] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.039061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.039062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.039064] Call Trace:
<4>[  688.039065]  <TASK>
<4>[  688.039067]  ? show_regs+0x6c/0x80
<4>[  688.039070]  ? __warn+0x93/0x1c0
<4>[  688.039073]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.039077]  ? report_bug+0x182/0x1b0
<4>[  688.039083]  ? handle_bug+0x6e/0xb0
<4>[  688.039085]  ? exc_invalid_op+0x18/0x80
<4>[  688.039088]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.039097]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.039101]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.039104]  ? mark_held_locks+0x46/0x90
<4>[  688.039115]  __iommu_map+0x119/0x2c0
<4>[  688.039124]  iommu_map_sg+0xbf/0x210
<4>[  688.039131]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.039141]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.039146]  dma_map_sgtable+0x1d/0x40
<4>[  688.040072]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.041442] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.041603] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.041609] RAX: 0000000000000000 RBX: ffff888113a53ef0 RCX: 0000000000000000
<4>[  688.041610] RDX: 0000000000000000 RSI: 0000000003e133de RDI: 0000000000000000
<4>[  688.041612] RBP: ffffc90001d6f248 R08: 0000000000277bdd R09: 0000000000000001
<4>[  688.041613] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c23
<4>[  688.041615] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bdd003
<4>[  688.041616] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.041618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.041620] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.041621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.041623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.041624] Call Trace:
<4>[  688.041625]  <TASK>
<4>[  688.041627]  ? show_regs+0x6c/0x80
<4>[  688.041631]  ? __warn+0x93/0x1c0
<4>[  688.041634]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.041638]  ? report_bug+0x182/0x1b0
<4>[  688.041643]  ? handle_bug+0x6e/0xb0
<4>[  688.041645]  ? exc_invalid_op+0x18/0x80
<4>[  688.041648]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.041657]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.041661]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.041664]  ? mark_held_locks+0x46/0x90
<4>[  688.041675]  __iommu_map+0x119/0x2c0
<4>[  688.041684]  iommu_map_sg+0xbf/0x210
<4>[  688.041691]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.041701]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.041707]  dma_map_sgtable+0x1d/0x40
<4>[  688.043934]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.044000] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.044159] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.044165] RAX: 0000000000000000 RBX: ffff888113a53ef8 RCX: 0000000000000000
<4>[  688.044167] RDX: 0000000000000000 RSI: 0000000003e133df RDI: 0000000000000000
<4>[  688.044168] RBP: ffffc90001d6f248 R08: 0000000000277bde R09: 0000000000000001
<4>[  688.044170] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c22
<4>[  688.044171] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bde003
<4>[  688.044173] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.044174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.044176] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.044177] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.044179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.044180] Call Trace:
<4>[  688.044182]  <TASK>
<4>[  688.044183]  ? show_regs+0x6c/0x80
<4>[  688.044187]  ? __warn+0x93/0x1c0
<4>[  688.044190]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.044194]  ? report_bug+0x182/0x1b0
<4>[  688.044199]  ? handle_bug+0x6e/0xb0
<4>[  688.044202]  ? exc_invalid_op+0x18/0x80
<4>[  688.044205]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.044214]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.044217]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.044220]  ? mark_held_locks+0x46/0x90
<4>[  688.044236]  __iommu_map+0x119/0x2c0
<4>[  688.044245]  iommu_map_sg+0xbf/0x210
<4>[  688.044252]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.044263]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.044268]  dma_map_sgtable+0x1d/0x40
<4>[  688.045190]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.046556] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.046716] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.046722] RAX: 0000000000000000 RBX: ffff888113a53f00 RCX: 0000000000000000
<4>[  688.046724] RDX: 0000000000000000 RSI: 0000000003e133e0 RDI: 0000000000000000
<4>[  688.046725] RBP: ffffc90001d6f248 R08: 0000000000277bdf R09: 0000000000000001
<4>[  688.046726] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c21
<4>[  688.046728] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bdf003
<4>[  688.046729] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.046731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.046733] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.046734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.046736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.046737] Call Trace:
<4>[  688.046738]  <TASK>
<4>[  688.046740]  ? show_regs+0x6c/0x80
<4>[  688.046744]  ? __warn+0x93/0x1c0
<4>[  688.046747]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.046751]  ? report_bug+0x182/0x1b0
<4>[  688.046756]  ? handle_bug+0x6e/0xb0
<4>[  688.046759]  ? exc_invalid_op+0x18/0x80
<4>[  688.046761]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.046770]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.046774]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.046777]  ? mark_held_locks+0x46/0x90
<4>[  688.046788]  __iommu_map+0x119/0x2c0
<4>[  688.046797]  iommu_map_sg+0xbf/0x210
<4>[  688.046804]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.046814]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.046820]  dma_map_sgtable+0x1d/0x40
<4>[  688.049043]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.049108] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.049273] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.049279] RAX: 0000000000000000 RBX: ffff888113a53f08 RCX: 0000000000000000
<4>[  688.049280] RDX: 0000000000000000 RSI: 0000000003e133e1 RDI: 0000000000000000
<4>[  688.049282] RBP: ffffc90001d6f248 R08: 0000000000277be0 R09: 0000000000000001
<4>[  688.049283] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c20
<4>[  688.049285] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be0003
<4>[  688.049286] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.049288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.049290] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.049291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.049293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.049294] Call Trace:
<4>[  688.049296]  <TASK>
<4>[  688.049297]  ? show_regs+0x6c/0x80
<4>[  688.049301]  ? __warn+0x93/0x1c0
<4>[  688.049305]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.049309]  ? report_bug+0x182/0x1b0
<4>[  688.049314]  ? handle_bug+0x6e/0xb0
<4>[  688.049316]  ? exc_invalid_op+0x18/0x80
<4>[  688.049319]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.049329]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.049332]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.049335]  ? mark_held_locks+0x46/0x90
<4>[  688.049346]  __iommu_map+0x119/0x2c0
<4>[  688.049356]  iommu_map_sg+0xbf/0x210
<4>[  688.049363]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.049373]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.049378]  dma_map_sgtable+0x1d/0x40
<4>[  688.050150]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.051672] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.051828] 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>[  688.051833] RDX: 0000000000000000 RSI: 0000000003e133e2 RDI: 0000000000000000
<4>[  688.051836] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1f
<4>[  688.051838] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be1003
<4>[  688.051839] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.051841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.051843] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.051844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.051846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.051847] Call Trace:
<4>[  688.051848]  <TASK>
<4>[  688.051850]  ? show_regs+0x6c/0x80
<4>[  688.051854]  ? __warn+0x93/0x1c0
<4>[  688.051857]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.051861]  ? report_bug+0x182/0x1b0
<4>[  688.051866]  ? handle_bug+0x6e/0xb0
<4>[  688.051868]  ? exc_invalid_op+0x18/0x80
<4>[  688.051871]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.051880]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.051884]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.051887]  ? mark_held_locks+0x46/0x90
<4>[  688.051898]  __iommu_map+0x119/0x2c0
<4>[  688.051907]  iommu_map_sg+0xbf/0x210
<4>[  688.051914]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.051924]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.052247]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.054217] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.054382] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.054388] RAX: 0000000000000000 RBX: ffff888113a53f18 RCX: 0000000000000000
<4>[  688.054390] RDX: 0000000000000000 RSI: 0000000003e133e3 RDI: 0000000000000000
<4>[  688.054391] RBP: ffffc90001d6f248 R08: 0000000000277be2 R09: 0000000000000001
<4>[  688.054393] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1e
<4>[  688.054394] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be2003
<4>[  688.054396] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.054397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.054399] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.054401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.054402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.054403] Call Trace:
<4>[  688.054405]  <TASK>
<4>[  688.054406]  ? show_regs+0x6c/0x80
<4>[  688.054410]  ? __warn+0x93/0x1c0
<4>[  688.054413]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.054417]  ? report_bug+0x182/0x1b0
<4>[  688.054422]  ? handle_bug+0x6e/0xb0
<4>[  688.054425]  ? exc_invalid_op+0x18/0x80
<4>[  688.054428]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.054437]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.054440]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.054443]  ? mark_held_locks+0x46/0x90
<4>[  688.054455]  __iommu_map+0x119/0x2c0
<4>[  688.054464]  iommu_map_sg+0xbf/0x210
<4>[  688.054471]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.054481]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.054486]  dma_map_sgtable+0x1d/0x40
<4>[  688.055265]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.056782] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.056939] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.056941] RAX: 0000000000000000 RBX: ffff888113a53f20 RCX: 0000000000000000
<4>[  688.056943] RDX: 0000000000000000 RSI: 0000000003e133e4 RDI: 0000000000000000
<4>[  688.056944] RBP: ffffc90001d6f248 R08: 0000000000277be3 R09: 0000000000000001
<4>[  688.056946] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1d
<4>[  688.056947] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be3003
<4>[  688.056949] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.056950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.056952] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.056953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.056955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.056956] Call Trace:
<4>[  688.056958]  <TASK>
<4>[  688.056959]  ? show_regs+0x6c/0x80
<4>[  688.056963]  ? __warn+0x93/0x1c0
<4>[  688.056966]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.056970]  ? report_bug+0x182/0x1b0
<4>[  688.056975]  ? handle_bug+0x6e/0xb0
<4>[  688.056978]  ? exc_invalid_op+0x18/0x80
<4>[  688.056981]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.056990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.056993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.056996]  ? mark_held_locks+0x46/0x90
<4>[  688.057007]  __iommu_map+0x119/0x2c0
<4>[  688.057016]  iommu_map_sg+0xbf/0x210
<4>[  688.057023]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.057034]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.057039]  dma_map_sgtable+0x1d/0x40
<4>[  688.058772]  ? __lock_acquire+0x442/0x2810
<4>[  688.059336] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.059497] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.059503] RAX: 0000000000000000 RBX: ffff888113a53f28 RCX: 0000000000000000
<4>[  688.059504] RDX: 0000000000000000 RSI: 0000000003e133e5 RDI: 0000000000000000
<4>[  688.059505] RBP: ffffc90001d6f248 R08: 0000000000277be4 R09: 0000000000000001
<4>[  688.059507] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1c
<4>[  688.059508] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be4003
<4>[  688.059510] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.059512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.059513] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.059515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.059516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.059518] Call Trace:
<4>[  688.059519]  <TASK>
<4>[  688.059521]  ? show_regs+0x6c/0x80
<4>[  688.059524]  ? __warn+0x93/0x1c0
<4>[  688.059528]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.059531]  ? report_bug+0x182/0x1b0
<4>[  688.059537]  ? handle_bug+0x6e/0xb0
<4>[  688.059539]  ? exc_invalid_op+0x18/0x80
<4>[  688.059542]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.059551]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.059555]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.059558]  ? mark_held_locks+0x46/0x90
<4>[  688.059569]  __iommu_map+0x119/0x2c0
<4>[  688.059578]  iommu_map_sg+0xbf/0x210
<4>[  688.059585]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.059595]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.059600]  dma_map_sgtable+0x1d/0x40
<4>[  688.061513]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.061918] hardirqs last disabled at (233644402): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.062059] RAX: 0000000000000000 RBX: ffff888113a53f30 RCX: 0000000000000000
<4>[  688.062061] RDX: 0000000000000000 RSI: 0000000003e133e6 RDI: 0000000000000000
<4>[  688.062062] RBP: ffffc90001d6f248 R08: 0000000000277be5 R09: 0000000000000001
<4>[  688.062064] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1b
<4>[  688.062065] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be5003
<4>[  688.062067] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.062068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.062070] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.062071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.062073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.062074] Call Trace:
<4>[  688.062076]  <TASK>
<4>[  688.062077]  ? show_regs+0x6c/0x80
<4>[  688.062081]  ? __warn+0x93/0x1c0
<4>[  688.062084]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.062088]  ? report_bug+0x182/0x1b0
<4>[  688.062093]  ? handle_bug+0x6e/0xb0
<4>[  688.062096]  ? exc_invalid_op+0x18/0x80
<4>[  688.062098]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.062107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.062111]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.062114]  ? mark_held_locks+0x46/0x90
<4>[  688.062125]  __iommu_map+0x119/0x2c0
<4>[  688.062134]  iommu_map_sg+0xbf/0x210
<4>[  688.062141]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.062151]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.062156]  dma_map_sgtable+0x1d/0x40
<4>[  688.062160]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.064450] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.064611] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.064617] RAX: 0000000000000000 RBX: ffff888113a53f38 RCX: 0000000000000000
<4>[  688.064618] RDX: 0000000000000000 RSI: 0000000003e133e7 RDI: 0000000000000000
<4>[  688.064619] RBP: ffffc90001d6f248 R08: 0000000000277be6 R09: 0000000000000001
<4>[  688.064621] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c1a
<4>[  688.064622] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be6003
<4>[  688.064624] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.064626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.064627] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.064629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.064630] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.064632] Call Trace:
<4>[  688.064633]  <TASK>
<4>[  688.064635]  ? show_regs+0x6c/0x80
<4>[  688.064638]  ? __warn+0x93/0x1c0
<4>[  688.064641]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.064645]  ? report_bug+0x182/0x1b0
<4>[  688.064650]  ? handle_bug+0x6e/0xb0
<4>[  688.064653]  ? exc_invalid_op+0x18/0x80
<4>[  688.064656]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.064665]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.064668]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.064671]  ? mark_held_locks+0x46/0x90
<4>[  688.064682]  __iommu_map+0x119/0x2c0
<4>[  688.064691]  iommu_map_sg+0xbf/0x210
<4>[  688.064699]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.064708]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.064714]  dma_map_sgtable+0x1d/0x40
<4>[  688.066623]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.067029] hardirqs last disabled at (233652370): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.067169] RAX: 0000000000000000 RBX: ffff888113a53f40 RCX: 0000000000000000
<4>[  688.067171] RDX: 0000000000000000 RSI: 0000000003e133e8 RDI: 0000000000000000
<4>[  688.067172] RBP: ffffc90001d6f248 R08: 0000000000277be7 R09: 0000000000000001
<4>[  688.067174] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c19
<4>[  688.067175] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be7003
<4>[  688.067177] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.067179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.067180] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.067182] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.067183] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.067185] Call Trace:
<4>[  688.067186]  <TASK>
<4>[  688.067188]  ? show_regs+0x6c/0x80
<4>[  688.067191]  ? __warn+0x93/0x1c0
<4>[  688.067194]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.067198]  ? report_bug+0x182/0x1b0
<4>[  688.067203]  ? handle_bug+0x6e/0xb0
<4>[  688.067206]  ? exc_invalid_op+0x18/0x80
<4>[  688.067209]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.067218]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.067222]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.067224]  ? mark_held_locks+0x46/0x90
<4>[  688.067241]  __iommu_map+0x119/0x2c0
<4>[  688.067250]  iommu_map_sg+0xbf/0x210
<4>[  688.067257]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.067267]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.067272]  dma_map_sgtable+0x1d/0x40
<4>[  688.067276]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.069561] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.069721] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.069727] RAX: 0000000000000000 RBX: ffff888113a53f48 RCX: 0000000000000000
<4>[  688.069728] RDX: 0000000000000000 RSI: 0000000003e133e9 RDI: 0000000000000000
<4>[  688.069730] RBP: ffffc90001d6f248 R08: 0000000000277be8 R09: 0000000000000001
<4>[  688.069731] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c18
<4>[  688.069733] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be8003
<4>[  688.069734] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.069736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.069738] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.069739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.069741] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.069742] Call Trace:
<4>[  688.069743]  <TASK>
<4>[  688.069745]  ? show_regs+0x6c/0x80
<4>[  688.069749]  ? __warn+0x93/0x1c0
<4>[  688.069752]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.069756]  ? report_bug+0x182/0x1b0
<4>[  688.069761]  ? handle_bug+0x6e/0xb0
<4>[  688.069763]  ? exc_invalid_op+0x18/0x80
<4>[  688.069766]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.069775]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.069779]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.069782]  ? mark_held_locks+0x46/0x90
<4>[  688.069793]  __iommu_map+0x119/0x2c0
<4>[  688.069802]  iommu_map_sg+0xbf/0x210
<4>[  688.069809]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.069819]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.069824]  dma_map_sgtable+0x1d/0x40
<4>[  688.070749]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.072115] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.072277] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.072283] RAX: 0000000000000000 RBX: ffff888113a53f50 RCX: 0000000000000000
<4>[  688.072285] RDX: 0000000000000000 RSI: 0000000003e133ea RDI: 0000000000000000
<4>[  688.072286] RBP: ffffc90001d6f248 R08: 0000000000277be9 R09: 0000000000000001
<4>[  688.072287] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c17
<4>[  688.072289] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277be9003
<4>[  688.072290] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.072292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.072294] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.072295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.072297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.072298] Call Trace:
<4>[  688.072300]  <TASK>
<4>[  688.072301]  ? show_regs+0x6c/0x80
<4>[  688.072305]  ? __warn+0x93/0x1c0
<4>[  688.072308]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.072312]  ? report_bug+0x182/0x1b0
<4>[  688.072317]  ? handle_bug+0x6e/0xb0
<4>[  688.072320]  ? exc_invalid_op+0x18/0x80
<4>[  688.072323]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.072332]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.072336]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.072339]  ? mark_held_locks+0x46/0x90
<4>[  688.072350]  __iommu_map+0x119/0x2c0
<4>[  688.072359]  iommu_map_sg+0xbf/0x210
<4>[  688.072366]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.072376]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.072381]  dma_map_sgtable+0x1d/0x40
<4>[  688.074124]  ? __might_fault+0x53/0xb0
<4>[  688.074670] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.074830] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.074836] RAX: 0000000000000000 RBX: ffff888113a53f58 RCX: 0000000000000000
<4>[  688.074837] RDX: 0000000000000000 RSI: 0000000003e133eb RDI: 0000000000000000
<4>[  688.074839] RBP: ffffc90001d6f248 R08: 0000000000277bea R09: 0000000000000001
<4>[  688.074840] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c16
<4>[  688.074842] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bea003
<4>[  688.074844] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.074845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.074847] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.074848] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.074850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.074851] Call Trace:
<4>[  688.074852]  <TASK>
<4>[  688.074854]  ? show_regs+0x6c/0x80
<4>[  688.074858]  ? __warn+0x93/0x1c0
<4>[  688.074861]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.074865]  ? report_bug+0x182/0x1b0
<4>[  688.074870]  ? handle_bug+0x6e/0xb0
<4>[  688.074872]  ? exc_invalid_op+0x18/0x80
<4>[  688.074875]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.074884]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.074888]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.074891]  ? mark_held_locks+0x46/0x90
<4>[  688.074902]  __iommu_map+0x119/0x2c0
<4>[  688.074911]  iommu_map_sg+0xbf/0x210
<4>[  688.074918]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.074928]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.074933]  dma_map_sgtable+0x1d/0x40
<4>[  688.075860]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.077226] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.077390] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.077396] RAX: 0000000000000000 RBX: ffff888113a53f60 RCX: 0000000000000000
<4>[  688.077397] RDX: 0000000000000000 RSI: 0000000003e133ec RDI: 0000000000000000
<4>[  688.077399] RBP: ffffc90001d6f248 R08: 0000000000277beb R09: 0000000000000001
<4>[  688.077400] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c15
<4>[  688.077402] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277beb003
<4>[  688.077403] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.077405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.077407] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.077408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.077410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.077411] Call Trace:
<4>[  688.077412]  <TASK>
<4>[  688.077414]  ? show_regs+0x6c/0x80
<4>[  688.077418]  ? __warn+0x93/0x1c0
<4>[  688.077421]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.077425]  ? report_bug+0x182/0x1b0
<4>[  688.077430]  ? handle_bug+0x6e/0xb0
<4>[  688.077432]  ? exc_invalid_op+0x18/0x80
<4>[  688.077435]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.077444]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.077448]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.077451]  ? mark_held_locks+0x46/0x90
<4>[  688.077462]  __iommu_map+0x119/0x2c0
<4>[  688.077471]  iommu_map_sg+0xbf/0x210
<4>[  688.077478]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.077488]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.077493]  dma_map_sgtable+0x1d/0x40
<4>[  688.079241]  ? __might_fault+0x53/0xb0
<4>[  688.079783] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.079943] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.079949] RAX: 0000000000000000 RBX: ffff888113a53f68 RCX: 0000000000000000
<4>[  688.079950] RDX: 0000000000000000 RSI: 0000000003e133ed RDI: 0000000000000000
<4>[  688.079952] RBP: ffffc90001d6f248 R08: 0000000000277bec R09: 0000000000000001
<4>[  688.079953] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c14
<4>[  688.079955] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bec003
<4>[  688.079956] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.079958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.079960] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.079961] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.079962] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.079964] Call Trace:
<4>[  688.079965]  <TASK>
<4>[  688.079967]  ? show_regs+0x6c/0x80
<4>[  688.079970]  ? __warn+0x93/0x1c0
<4>[  688.079974]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.079977]  ? report_bug+0x182/0x1b0
<4>[  688.079982]  ? handle_bug+0x6e/0xb0
<4>[  688.079985]  ? exc_invalid_op+0x18/0x80
<4>[  688.079988]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.079997]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.080000]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.080003]  ? mark_held_locks+0x46/0x90
<4>[  688.080014]  __iommu_map+0x119/0x2c0
<4>[  688.080023]  iommu_map_sg+0xbf/0x210
<4>[  688.080030]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.080040]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.080046]  dma_map_sgtable+0x1d/0x40
<4>[  688.081743]  ? lock_acquire+0xc9/0x300
<4>[  688.082335] RIP: 0033:0x702727724ded
<4>[  688.082361] hardirqs last  enabled at (233676271): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.082504] RAX: 0000000000000000 RBX: ffff888113a53f70 RCX: 0000000000000000
<4>[  688.082506] RDX: 0000000000000000 RSI: 0000000003e133ee RDI: 0000000000000000
<4>[  688.082507] RBP: ffffc90001d6f248 R08: 0000000000277bed R09: 0000000000000001
<4>[  688.082509] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c13
<4>[  688.082510] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bed003
<4>[  688.082512] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.082514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.082515] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.082517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.082518] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.082520] Call Trace:
<4>[  688.082521]  <TASK>
<4>[  688.082523]  ? show_regs+0x6c/0x80
<4>[  688.082526]  ? __warn+0x93/0x1c0
<4>[  688.082529]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.082533]  ? report_bug+0x182/0x1b0
<4>[  688.082538]  ? handle_bug+0x6e/0xb0
<4>[  688.082541]  ? exc_invalid_op+0x18/0x80
<4>[  688.082544]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.082553]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.082556]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.082559]  ? mark_held_locks+0x46/0x90
<4>[  688.082571]  __iommu_map+0x119/0x2c0
<4>[  688.082580]  iommu_map_sg+0xbf/0x210
<4>[  688.082587]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.082597]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.082602]  dma_map_sgtable+0x1d/0x40
<4>[  688.083073]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.084890] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.085050] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.085056] RAX: 0000000000000000 RBX: ffff888113a53f78 RCX: 0000000000000000
<4>[  688.085057] RDX: 0000000000000000 RSI: 0000000003e133ef RDI: 0000000000000000
<4>[  688.085059] RBP: ffffc90001d6f248 R08: 0000000000277bee R09: 0000000000000001
<4>[  688.085060] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c12
<4>[  688.085062] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bee003
<4>[  688.085063] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.085065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.085066] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.085068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.085069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.085071] Call Trace:
<4>[  688.085072]  <TASK>
<4>[  688.085074]  ? show_regs+0x6c/0x80
<4>[  688.085077]  ? __warn+0x93/0x1c0
<4>[  688.085080]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.085084]  ? report_bug+0x182/0x1b0
<4>[  688.085089]  ? handle_bug+0x6e/0xb0
<4>[  688.085092]  ? exc_invalid_op+0x18/0x80
<4>[  688.085095]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.085104]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.085107]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.085110]  ? mark_held_locks+0x46/0x90
<4>[  688.085122]  __iommu_map+0x119/0x2c0
<4>[  688.085131]  iommu_map_sg+0xbf/0x210
<4>[  688.085138]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.085148]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.085153]  dma_map_sgtable+0x1d/0x40
<4>[  688.086866]  ? __kernel_text_address+0x12/0x50
<4>[  688.087445] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.087605] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.087611] RAX: 0000000000000000 RBX: ffff888113a53f80 RCX: 0000000000000000
<4>[  688.087613] RDX: 0000000000000000 RSI: 0000000003e133f0 RDI: 0000000000000000
<4>[  688.087614] RBP: ffffc90001d6f248 R08: 0000000000277bef R09: 0000000000000001
<4>[  688.087616] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c11
<4>[  688.087617] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bef003
<4>[  688.087619] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.087621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.087622] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.087624] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.087625] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.087627] Call Trace:
<4>[  688.087628]  <TASK>
<4>[  688.087629]  ? show_regs+0x6c/0x80
<4>[  688.087633]  ? __warn+0x93/0x1c0
<4>[  688.087636]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.087640]  ? report_bug+0x182/0x1b0
<4>[  688.087645]  ? handle_bug+0x6e/0xb0
<4>[  688.087648]  ? exc_invalid_op+0x18/0x80
<4>[  688.087651]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.087660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.087663]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.087666]  ? mark_held_locks+0x46/0x90
<4>[  688.087677]  __iommu_map+0x119/0x2c0
<4>[  688.087686]  iommu_map_sg+0xbf/0x210
<4>[  688.087693]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.087703]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.087709]  dma_map_sgtable+0x1d/0x40
<4>[  688.089932]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.089998] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.090158] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.090164] RAX: 0000000000000000 RBX: ffff888113a53f88 RCX: 0000000000000000
<4>[  688.090166] RDX: 0000000000000000 RSI: 0000000003e133f1 RDI: 0000000000000000
<4>[  688.090167] RBP: ffffc90001d6f248 R08: 0000000000277bf0 R09: 0000000000000001
<4>[  688.090169] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c10
<4>[  688.090170] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf0003
<4>[  688.090172] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.090173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.090175] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.090176] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.090178] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.090179] Call Trace:
<4>[  688.090180]  <TASK>
<4>[  688.090182]  ? show_regs+0x6c/0x80
<4>[  688.090186]  ? __warn+0x93/0x1c0
<4>[  688.090189]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.090193]  ? report_bug+0x182/0x1b0
<4>[  688.090198]  ? handle_bug+0x6e/0xb0
<4>[  688.090201]  ? exc_invalid_op+0x18/0x80
<4>[  688.090204]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.090213]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.090216]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.090219]  ? mark_held_locks+0x46/0x90
<4>[  688.090235]  __iommu_map+0x119/0x2c0
<4>[  688.090244]  iommu_map_sg+0xbf/0x210
<4>[  688.090251]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.090261]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.090267]  dma_map_sgtable+0x1d/0x40
<4>[  688.092166]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.092577] hardirqs last disabled at (233692212): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.092717] RAX: 0000000000000000 RBX: ffff888113a53f90 RCX: 0000000000000000
<4>[  688.092719] RDX: 0000000000000000 RSI: 0000000003e133f2 RDI: 0000000000000000
<4>[  688.092720] RBP: ffffc90001d6f248 R08: 0000000000277bf1 R09: 0000000000000001
<4>[  688.092722] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0f
<4>[  688.092723] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf1003
<4>[  688.092725] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.092726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.092728] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.092729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.092731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.092732] Call Trace:
<4>[  688.092734]  <TASK>
<4>[  688.092735]  ? show_regs+0x6c/0x80
<4>[  688.092739]  ? __warn+0x93/0x1c0
<4>[  688.092742]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.092746]  ? report_bug+0x182/0x1b0
<4>[  688.092751]  ? handle_bug+0x6e/0xb0
<4>[  688.092754]  ? exc_invalid_op+0x18/0x80
<4>[  688.092757]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.092766]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.092769]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.092772]  ? mark_held_locks+0x46/0x90
<4>[  688.092783]  __iommu_map+0x119/0x2c0
<4>[  688.092792]  iommu_map_sg+0xbf/0x210
<4>[  688.092799]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.092809]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.092815]  dma_map_sgtable+0x1d/0x40
<4>[  688.093292]  ? lock_acquire+0xc9/0x300
<4>[  688.095102]  ? clear_bhb_loop+0x15/0x70
<4>[  688.095133]  </TASK>
<4>[  688.095140] softirqs last  enabled at (233694412): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.095287] RAX: 0000000000000000 RBX: ffff888113a53f98 RCX: 0000000000000000
<4>[  688.095288] RDX: 0000000000000000 RSI: 0000000003e133f3 RDI: 0000000000000000
<4>[  688.095290] RBP: ffffc90001d6f248 R08: 0000000000277bf2 R09: 0000000000000001
<4>[  688.095291] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0e
<4>[  688.095293] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf2003
<4>[  688.095295] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.095296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.095298] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.095300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.095301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.095303] Call Trace:
<4>[  688.095304]  <TASK>
<4>[  688.095306]  ? show_regs+0x6c/0x80
<4>[  688.095309]  ? __warn+0x93/0x1c0
<4>[  688.095313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.095317]  ? report_bug+0x182/0x1b0
<4>[  688.095322]  ? handle_bug+0x6e/0xb0
<4>[  688.095325]  ? exc_invalid_op+0x18/0x80
<4>[  688.095328]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.095337]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.095341]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.095344]  ? mark_held_locks+0x46/0x90
<4>[  688.095355]  __iommu_map+0x119/0x2c0
<4>[  688.095364]  iommu_map_sg+0xbf/0x210
<4>[  688.095371]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.095381]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.095387]  dma_map_sgtable+0x1d/0x40
<4>[  688.097123]  ? __lock_acquire+0x442/0x2810
<4>[  688.097688] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.097851] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.097857] RAX: 0000000000000000 RBX: ffff888113a53fa0 RCX: 0000000000000000
<4>[  688.097859] RDX: 0000000000000000 RSI: 0000000003e133f4 RDI: 0000000000000000
<4>[  688.097860] RBP: ffffc90001d6f248 R08: 0000000000277bf3 R09: 0000000000000001
<4>[  688.097862] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0d
<4>[  688.097863] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf3003
<4>[  688.097865] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.097866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.097868] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.097870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.097871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.097872] Call Trace:
<4>[  688.097874]  <TASK>
<4>[  688.097875]  ? show_regs+0x6c/0x80
<4>[  688.097879]  ? __warn+0x93/0x1c0
<4>[  688.097882]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.097886]  ? report_bug+0x182/0x1b0
<4>[  688.097891]  ? handle_bug+0x6e/0xb0
<4>[  688.097894]  ? exc_invalid_op+0x18/0x80
<4>[  688.097897]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.097906]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.097909]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.097912]  ? mark_held_locks+0x46/0x90
<4>[  688.097924]  __iommu_map+0x119/0x2c0
<4>[  688.097933]  iommu_map_sg+0xbf/0x210
<4>[  688.097940]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.097950]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.097956]  dma_map_sgtable+0x1d/0x40
<4>[  688.099863]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.100273] hardirqs last disabled at (233704168): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.100416] RAX: 0000000000000000 RBX: ffff888113a53fa8 RCX: 0000000000000000
<4>[  688.100417] RDX: 0000000000000000 RSI: 0000000003e133f5 RDI: 0000000000000000
<4>[  688.100419] RBP: ffffc90001d6f248 R08: 0000000000277bf4 R09: 0000000000000001
<4>[  688.100420] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0c
<4>[  688.100422] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf4003
<4>[  688.100423] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.100425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.100426] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.100428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.100429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.100431] Call Trace:
<4>[  688.100432]  <TASK>
<4>[  688.100434]  ? show_regs+0x6c/0x80
<4>[  688.100437]  ? __warn+0x93/0x1c0
<4>[  688.100441]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.100445]  ? report_bug+0x182/0x1b0
<4>[  688.100450]  ? handle_bug+0x6e/0xb0
<4>[  688.100453]  ? exc_invalid_op+0x18/0x80
<4>[  688.100456]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.100465]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.100468]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.100471]  ? mark_held_locks+0x46/0x90
<4>[  688.100482]  __iommu_map+0x119/0x2c0
<4>[  688.100492]  iommu_map_sg+0xbf/0x210
<4>[  688.100499]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.100509]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.100514]  dma_map_sgtable+0x1d/0x40
<4>[  688.101440]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.102802] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.102960] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.102966] RAX: 0000000000000000 RBX: ffff888113a53fb0 RCX: 0000000000000000
<4>[  688.102967] RDX: 0000000000000000 RSI: 0000000003e133f6 RDI: 0000000000000000
<4>[  688.102969] RBP: ffffc90001d6f248 R08: 0000000000277bf5 R09: 0000000000000001
<4>[  688.102970] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0b
<4>[  688.102972] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf5003
<4>[  688.102973] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.102975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.102977] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.102978] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.102980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.102981] Call Trace:
<4>[  688.102982]  <TASK>
<4>[  688.102984]  ? show_regs+0x6c/0x80
<4>[  688.102987]  ? __warn+0x93/0x1c0
<4>[  688.102991]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.102995]  ? report_bug+0x182/0x1b0
<4>[  688.103000]  ? handle_bug+0x6e/0xb0
<4>[  688.103002]  ? exc_invalid_op+0x18/0x80
<4>[  688.103005]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.103014]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.103018]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.103021]  ? mark_held_locks+0x46/0x90
<4>[  688.103032]  __iommu_map+0x119/0x2c0
<4>[  688.103041]  iommu_map_sg+0xbf/0x210
<4>[  688.103048]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.103058]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.103063]  dma_map_sgtable+0x1d/0x40
<4>[  688.105294]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.105361] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.105522] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.105528] RAX: 0000000000000000 RBX: ffff888113a53fb8 RCX: 0000000000000000
<4>[  688.105530] RDX: 0000000000000000 RSI: 0000000003e133f7 RDI: 0000000000000000
<4>[  688.105531] RBP: ffffc90001d6f248 R08: 0000000000277bf6 R09: 0000000000000001
<4>[  688.105533] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c0a
<4>[  688.105534] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf6003
<4>[  688.105536] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.105538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.105539] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.105541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.105542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.105544] Call Trace:
<4>[  688.105545]  <TASK>
<4>[  688.105547]  ? show_regs+0x6c/0x80
<4>[  688.105550]  ? __warn+0x93/0x1c0
<4>[  688.105554]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.105558]  ? report_bug+0x182/0x1b0
<4>[  688.105563]  ? handle_bug+0x6e/0xb0
<4>[  688.105565]  ? exc_invalid_op+0x18/0x80
<4>[  688.105568]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.105577]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.105581]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.105584]  ? mark_held_locks+0x46/0x90
<4>[  688.105595]  __iommu_map+0x119/0x2c0
<4>[  688.105604]  iommu_map_sg+0xbf/0x210
<4>[  688.105611]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.105621]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.105627]  dma_map_sgtable+0x1d/0x40
<4>[  688.107851]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.107917] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.108077] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.108083] RAX: 0000000000000000 RBX: ffff888113a53fc0 RCX: 0000000000000000
<4>[  688.108084] RDX: 0000000000000000 RSI: 0000000003e133f8 RDI: 0000000000000000
<4>[  688.108086] RBP: ffffc90001d6f248 R08: 0000000000277bf7 R09: 0000000000000001
<4>[  688.108087] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c09
<4>[  688.108089] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf7003
<4>[  688.108090] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.108092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.108093] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.108095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.108096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.108098] Call Trace:
<4>[  688.108099]  <TASK>
<4>[  688.108101]  ? show_regs+0x6c/0x80
<4>[  688.108104]  ? __warn+0x93/0x1c0
<4>[  688.108107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.108111]  ? report_bug+0x182/0x1b0
<4>[  688.108116]  ? handle_bug+0x6e/0xb0
<4>[  688.108119]  ? exc_invalid_op+0x18/0x80
<4>[  688.108122]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.108131]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.108134]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.108137]  ? mark_held_locks+0x46/0x90
<4>[  688.108148]  __iommu_map+0x119/0x2c0
<4>[  688.108157]  iommu_map_sg+0xbf/0x210
<4>[  688.108164]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.108174]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.108180]  dma_map_sgtable+0x1d/0x40
<4>[  688.109908]  ? __lock_acquire+0x442/0x2810
<4>[  688.110469] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.110629] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.110635] RAX: 0000000000000000 RBX: ffff888113a53fc8 RCX: 0000000000000000
<4>[  688.110636] RDX: 0000000000000000 RSI: 0000000003e133f9 RDI: 0000000000000000
<4>[  688.110637] RBP: ffffc90001d6f248 R08: 0000000000277bf8 R09: 0000000000000001
<4>[  688.110639] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c08
<4>[  688.110640] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf8003
<4>[  688.110642] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.110644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.110645] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.110647] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.110648] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.110650] Call Trace:
<4>[  688.110651]  <TASK>
<4>[  688.110653]  ? show_regs+0x6c/0x80
<4>[  688.110656]  ? __warn+0x93/0x1c0
<4>[  688.110659]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.110663]  ? report_bug+0x182/0x1b0
<4>[  688.110668]  ? handle_bug+0x6e/0xb0
<4>[  688.110671]  ? exc_invalid_op+0x18/0x80
<4>[  688.110674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.110683]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.110686]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.110689]  ? mark_held_locks+0x46/0x90
<4>[  688.110701]  __iommu_map+0x119/0x2c0
<4>[  688.110710]  iommu_map_sg+0xbf/0x210
<4>[  688.110717]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.110727]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.110732]  dma_map_sgtable+0x1d/0x40
<4>[  688.111509]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.113040]  </TASK>
<4>[  688.113047] softirqs last  enabled at (233722304): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.113185] RAX: 0000000000000000 RBX: ffff888113a53fd0 RCX: 0000000000000000
<4>[  688.113187] RDX: 0000000000000000 RSI: 0000000003e133fa RDI: 0000000000000000
<4>[  688.113188] RBP: ffffc90001d6f248 R08: 0000000000277bf9 R09: 0000000000000001
<4>[  688.113190] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c07
<4>[  688.113191] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bf9003
<4>[  688.113193] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.113194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.113196] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.113198] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.113199] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.113200] Call Trace:
<4>[  688.113202]  <TASK>
<4>[  688.113203]  ? show_regs+0x6c/0x80
<4>[  688.113207]  ? __warn+0x93/0x1c0
<4>[  688.113210]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.113214]  ? report_bug+0x182/0x1b0
<4>[  688.113219]  ? handle_bug+0x6e/0xb0
<4>[  688.113222]  ? exc_invalid_op+0x18/0x80
<4>[  688.113225]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.113238]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.113242]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.113245]  ? mark_held_locks+0x46/0x90
<4>[  688.113256]  __iommu_map+0x119/0x2c0
<4>[  688.113265]  iommu_map_sg+0xbf/0x210
<4>[  688.113272]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.113282]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.113288]  dma_map_sgtable+0x1d/0x40
<4>[  688.114211]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.115577] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.115736] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.115742] RAX: 0000000000000000 RBX: ffff888113a53fd8 RCX: 0000000000000000
<4>[  688.115743] RDX: 0000000000000000 RSI: 0000000003e133fb RDI: 0000000000000000
<4>[  688.115745] RBP: ffffc90001d6f248 R08: 0000000000277bfa R09: 0000000000000001
<4>[  688.115746] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c06
<4>[  688.115748] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bfa003
<4>[  688.115749] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.115751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.115753] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.115754] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.115756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.115757] Call Trace:
<4>[  688.115758]  <TASK>
<4>[  688.115760]  ? show_regs+0x6c/0x80
<4>[  688.115764]  ? __warn+0x93/0x1c0
<4>[  688.115767]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.115771]  ? report_bug+0x182/0x1b0
<4>[  688.115776]  ? handle_bug+0x6e/0xb0
<4>[  688.115779]  ? exc_invalid_op+0x18/0x80
<4>[  688.115782]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.115791]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.115794]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.115797]  ? mark_held_locks+0x46/0x90
<4>[  688.115808]  __iommu_map+0x119/0x2c0
<4>[  688.115817]  iommu_map_sg+0xbf/0x210
<4>[  688.115825]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.115834]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.115840]  dma_map_sgtable+0x1d/0x40
<4>[  688.117585]  ? __might_fault+0x53/0xb0
<4>[  688.118126] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.118290] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.118296] RAX: 0000000000000000 RBX: ffff888113a53fe0 RCX: 0000000000000000
<4>[  688.118297] RDX: 0000000000000000 RSI: 0000000003e133fc RDI: 0000000000000000
<4>[  688.118299] RBP: ffffc90001d6f248 R08: 0000000000277bfb R09: 0000000000000001
<4>[  688.118300] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c05
<4>[  688.118302] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bfb003
<4>[  688.118303] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.118305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.118307] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.118308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.118310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.118311] Call Trace:
<4>[  688.118313]  <TASK>
<4>[  688.118315]  ? show_regs+0x6c/0x80
<4>[  688.118318]  ? __warn+0x93/0x1c0
<4>[  688.118321]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.118325]  ? report_bug+0x182/0x1b0
<4>[  688.118330]  ? handle_bug+0x6e/0xb0
<4>[  688.118333]  ? exc_invalid_op+0x18/0x80
<4>[  688.118336]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.118345]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.118349]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.118352]  ? mark_held_locks+0x46/0x90
<4>[  688.118363]  __iommu_map+0x119/0x2c0
<4>[  688.118372]  iommu_map_sg+0xbf/0x210
<4>[  688.118379]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.118389]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.118394]  dma_map_sgtable+0x1d/0x40
<4>[  688.120135]  ? __might_fault+0x53/0xb0
<4>[  688.120681] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.120840] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.120846] RAX: 0000000000000000 RBX: ffff888113a53fe8 RCX: 0000000000000000
<4>[  688.120847] RDX: 0000000000000000 RSI: 0000000003e133fd RDI: 0000000000000000
<4>[  688.120849] RBP: ffffc90001d6f248 R08: 0000000000277bfc R09: 0000000000000001
<4>[  688.120850] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c04
<4>[  688.120851] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bfc003
<4>[  688.120853] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.120855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.120856] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.120858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.120859] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.120861] Call Trace:
<4>[  688.120862]  <TASK>
<4>[  688.120864]  ? show_regs+0x6c/0x80
<4>[  688.120867]  ? __warn+0x93/0x1c0
<4>[  688.120870]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.120874]  ? report_bug+0x182/0x1b0
<4>[  688.120879]  ? handle_bug+0x6e/0xb0
<4>[  688.120882]  ? exc_invalid_op+0x18/0x80
<4>[  688.120885]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.120894]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.120898]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.120900]  ? mark_held_locks+0x46/0x90
<4>[  688.120912]  __iommu_map+0x119/0x2c0
<4>[  688.120921]  iommu_map_sg+0xbf/0x210
<4>[  688.120928]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.120938]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.120943]  dma_map_sgtable+0x1d/0x40
<4>[  688.121416]  ? lock_acquire+0xc9/0x300
<4>[  688.123220]  ? clear_bhb_loop+0x15/0x70
<4>[  688.123245] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.123401] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.123403] RAX: 0000000000000000 RBX: ffff888113a53ff0 RCX: 0000000000000000
<4>[  688.123404] RDX: 0000000000000000 RSI: 0000000003e133fe RDI: 0000000000000000
<4>[  688.123406] RBP: ffffc90001d6f248 R08: 0000000000277bfd R09: 0000000000000001
<4>[  688.123407] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c03
<4>[  688.123409] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bfd003
<4>[  688.123410] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.123412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.123414] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.123415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.123417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.123418] Call Trace:
<4>[  688.123419]  <TASK>
<4>[  688.123421]  ? show_regs+0x6c/0x80
<4>[  688.123424]  ? __warn+0x93/0x1c0
<4>[  688.123428]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.123431]  ? report_bug+0x182/0x1b0
<4>[  688.123437]  ? handle_bug+0x6e/0xb0
<4>[  688.123439]  ? exc_invalid_op+0x18/0x80
<4>[  688.123442]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.123451]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.123455]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.123458]  ? mark_held_locks+0x46/0x90
<4>[  688.123469]  __iommu_map+0x119/0x2c0
<4>[  688.123478]  iommu_map_sg+0xbf/0x210
<4>[  688.123485]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.123495]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.123501]  dma_map_sgtable+0x1d/0x40
<4>[  688.125730]  x64_sys_call+0x131e/0x2650
<4>[  688.125794] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.125951] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.125957] RAX: 0000000000000000 RBX: ffff888113a53ff8 RCX: 0000000000000000
<4>[  688.125958] RDX: 0000000000000000 RSI: 0000000003e133ff RDI: 0000000000000000
<4>[  688.125960] RBP: ffffc90001d6f248 R08: 0000000000277bfe R09: 0000000000000001
<4>[  688.125961] R10: ffff888113a53000 R11: 0000000000000000 R12: 00000000000e9c02
<4>[  688.125963] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bfe003
<4>[  688.125964] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.125966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.125967] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.125969] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.125970] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.125972] Call Trace:
<4>[  688.125973]  <TASK>
<4>[  688.125975]  ? show_regs+0x6c/0x80
<4>[  688.125978]  ? __warn+0x93/0x1c0
<4>[  688.125982]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.125985]  ? report_bug+0x182/0x1b0
<4>[  688.125991]  ? handle_bug+0x6e/0xb0
<4>[  688.125993]  ? exc_invalid_op+0x18/0x80
<4>[  688.125996]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.126005]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.126009]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.126012]  ? mark_held_locks+0x46/0x90
<4>[  688.126023]  __iommu_map+0x119/0x2c0
<4>[  688.126032]  iommu_map_sg+0xbf/0x210
<4>[  688.126039]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.126049]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.126054]  dma_map_sgtable+0x1d/0x40
<4>[  688.126981]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.128350] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.128512] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.128518] RAX: 0000000000000000 RBX: ffff888120b7f000 RCX: 0000000000000000
<4>[  688.128519] RDX: 0000000000000000 RSI: 0000000003e13400 RDI: 0000000000000000
<4>[  688.128521] RBP: ffffc90001d6f248 R08: 0000000000277bff R09: 0000000000000001
<4>[  688.128522] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9c01
<4>[  688.128524] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277bff003
<4>[  688.128525] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.128527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.128529] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.128530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.128532] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.128533] Call Trace:
<4>[  688.128534]  <TASK>
<4>[  688.128536]  ? show_regs+0x6c/0x80
<4>[  688.128540]  ? __warn+0x93/0x1c0
<4>[  688.128543]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.128547]  ? report_bug+0x182/0x1b0
<4>[  688.128552]  ? handle_bug+0x6e/0xb0
<4>[  688.128554]  ? exc_invalid_op+0x18/0x80
<4>[  688.128557]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.128567]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.128570]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.128573]  ? mark_held_locks+0x46/0x90
<4>[  688.128584]  __iommu_map+0x119/0x2c0
<4>[  688.128593]  iommu_map_sg+0xbf/0x210
<4>[  688.128600]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.128610]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.128616]  dma_map_sgtable+0x1d/0x40
<4>[  688.130349]  ? lock_release+0xd4/0x2b0
<4>[  688.130903] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.131063] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.131069] RAX: 0000000000000000 RBX: ffff888120b7f008 RCX: 0000000000000000
<4>[  688.131070] RDX: 0000000000000000 RSI: 0000000003e13401 RDI: 0000000000000000
<4>[  688.131072] RBP: ffffc90001d6f248 R08: 0000000000277c00 R09: 0000000000000001
<4>[  688.131073] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9c00
<4>[  688.131075] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c00003
<4>[  688.131076] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.131078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.131079] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.131081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.131082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.131084] Call Trace:
<4>[  688.131085]  <TASK>
<4>[  688.131087]  ? show_regs+0x6c/0x80
<4>[  688.131090]  ? __warn+0x93/0x1c0
<4>[  688.131093]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.131097]  ? report_bug+0x182/0x1b0
<4>[  688.131102]  ? handle_bug+0x6e/0xb0
<4>[  688.131105]  ? exc_invalid_op+0x18/0x80
<4>[  688.131108]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.131117]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.131120]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.131123]  ? mark_held_locks+0x46/0x90
<4>[  688.131134]  __iommu_map+0x119/0x2c0
<4>[  688.131144]  iommu_map_sg+0xbf/0x210
<4>[  688.131151]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.131161]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.131166]  dma_map_sgtable+0x1d/0x40
<4>[  688.131642]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.133457] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.133615] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.133621] RAX: 0000000000000000 RBX: ffff888120b7f010 RCX: 0000000000000000
<4>[  688.133623] RDX: 0000000000000000 RSI: 0000000003e13402 RDI: 0000000000000000
<4>[  688.133624] RBP: ffffc90001d6f248 R08: 0000000000277c01 R09: 0000000000000001
<4>[  688.133626] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bff
<4>[  688.133627] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c01003
<4>[  688.133629] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.133631] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.133632] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.133634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.133635] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.133637] Call Trace:
<4>[  688.133638]  <TASK>
<4>[  688.133640]  ? show_regs+0x6c/0x80
<4>[  688.133643]  ? __warn+0x93/0x1c0
<4>[  688.133646]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.133650]  ? report_bug+0x182/0x1b0
<4>[  688.133655]  ? handle_bug+0x6e/0xb0
<4>[  688.133658]  ? exc_invalid_op+0x18/0x80
<4>[  688.133661]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.133670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.133673]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.133676]  ? mark_held_locks+0x46/0x90
<4>[  688.133687]  __iommu_map+0x119/0x2c0
<4>[  688.133697]  iommu_map_sg+0xbf/0x210
<4>[  688.133704]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.133714]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.133719]  dma_map_sgtable+0x1d/0x40
<4>[  688.134033]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.136011] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.136170] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.136176] RAX: 0000000000000000 RBX: ffff888120b7f018 RCX: 0000000000000000
<4>[  688.136178] RDX: 0000000000000000 RSI: 0000000003e13403 RDI: 0000000000000000
<4>[  688.136179] RBP: ffffc90001d6f248 R08: 0000000000277c02 R09: 0000000000000001
<4>[  688.136181] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bfe
<4>[  688.136182] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c02003
<4>[  688.136184] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.136186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.136187] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.136189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.136190] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.136191] Call Trace:
<4>[  688.136193]  <TASK>
<4>[  688.136194]  ? show_regs+0x6c/0x80
<4>[  688.136198]  ? __warn+0x93/0x1c0
<4>[  688.136201]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.136205]  ? report_bug+0x182/0x1b0
<4>[  688.136210]  ? handle_bug+0x6e/0xb0
<4>[  688.136213]  ? exc_invalid_op+0x18/0x80
<4>[  688.136216]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.136225]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.136233]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.136236]  ? mark_held_locks+0x46/0x90
<4>[  688.136247]  __iommu_map+0x119/0x2c0
<4>[  688.136256]  iommu_map_sg+0xbf/0x210
<4>[  688.136263]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.136273]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.136279]  dma_map_sgtable+0x1d/0x40
<4>[  688.137051]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.138572] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.138729] 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>[  688.138734] RDX: 0000000000000000 RSI: 0000000003e13404 RDI: 0000000000000000
<4>[  688.138737] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bfd
<4>[  688.138739] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c03003
<4>[  688.138740] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.138742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.138744] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.138745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.138747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.138748] Call Trace:
<4>[  688.138749]  <TASK>
<4>[  688.138751]  ? show_regs+0x6c/0x80
<4>[  688.138755]  ? __warn+0x93/0x1c0
<4>[  688.138758]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.138762]  ? report_bug+0x182/0x1b0
<4>[  688.138767]  ? handle_bug+0x6e/0xb0
<4>[  688.138770]  ? exc_invalid_op+0x18/0x80
<4>[  688.138773]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.138782]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.138785]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.138788]  ? mark_held_locks+0x46/0x90
<4>[  688.138799]  __iommu_map+0x119/0x2c0
<4>[  688.138808]  iommu_map_sg+0xbf/0x210
<4>[  688.138815]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.138825]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.138987]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.141122] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.141288] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.141294] RAX: 0000000000000000 RBX: ffff888120b7f028 RCX: 0000000000000000
<4>[  688.141296] RDX: 0000000000000000 RSI: 0000000003e13405 RDI: 0000000000000000
<4>[  688.141297] RBP: ffffc90001d6f248 R08: 0000000000277c04 R09: 0000000000000001
<4>[  688.141299] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bfc
<4>[  688.141301] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c04003
<4>[  688.141302] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.141304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.141306] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.141307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.141309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.141310] Call Trace:
<4>[  688.141311]  <TASK>
<4>[  688.141313]  ? show_regs+0x6c/0x80
<4>[  688.141317]  ? __warn+0x93/0x1c0
<4>[  688.141320]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.141324]  ? report_bug+0x182/0x1b0
<4>[  688.141330]  ? handle_bug+0x6e/0xb0
<4>[  688.141332]  ? exc_invalid_op+0x18/0x80
<4>[  688.141335]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.141344]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.141348]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.141351]  ? mark_held_locks+0x46/0x90
<4>[  688.141362]  __iommu_map+0x119/0x2c0
<4>[  688.141371]  iommu_map_sg+0xbf/0x210
<4>[  688.141378]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.141388]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.141394]  dma_map_sgtable+0x1d/0x40
<4>[  688.142320]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.143684] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.143841] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.143847] RAX: 0000000000000000 RBX: ffff888120b7f030 RCX: 0000000000000000
<4>[  688.143848] RDX: 0000000000000000 RSI: 0000000003e13406 RDI: 0000000000000000
<4>[  688.143850] RBP: ffffc90001d6f248 R08: 0000000000277c05 R09: 0000000000000001
<4>[  688.143851] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bfb
<4>[  688.143853] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c05003
<4>[  688.143854] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.143856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.143858] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.143859] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.143861] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.143862] Call Trace:
<4>[  688.143863]  <TASK>
<4>[  688.143865]  ? show_regs+0x6c/0x80
<4>[  688.143869]  ? __warn+0x93/0x1c0
<4>[  688.143872]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.143876]  ? report_bug+0x182/0x1b0
<4>[  688.143881]  ? handle_bug+0x6e/0xb0
<4>[  688.143884]  ? exc_invalid_op+0x18/0x80
<4>[  688.143887]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.143896]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.143899]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.143902]  ? mark_held_locks+0x46/0x90
<4>[  688.143913]  __iommu_map+0x119/0x2c0
<4>[  688.143922]  iommu_map_sg+0xbf/0x210
<4>[  688.143929]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.143939]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.143945]  dma_map_sgtable+0x1d/0x40
<4>[  688.144572]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.146243] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.146402] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.146404] RAX: 0000000000000000 RBX: ffff888120b7f038 RCX: 0000000000000000
<4>[  688.146406] RDX: 0000000000000000 RSI: 0000000003e13407 RDI: 0000000000000000
<4>[  688.146407] RBP: ffffc90001d6f248 R08: 0000000000277c06 R09: 0000000000000001
<4>[  688.146408] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bfa
<4>[  688.146410] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c06003
<4>[  688.146412] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.146413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.146415] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.146416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.146418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.146419] Call Trace:
<4>[  688.146420]  <TASK>
<4>[  688.146422]  ? show_regs+0x6c/0x80
<4>[  688.146426]  ? __warn+0x93/0x1c0
<4>[  688.146429]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.146433]  ? report_bug+0x182/0x1b0
<4>[  688.146438]  ? handle_bug+0x6e/0xb0
<4>[  688.146441]  ? exc_invalid_op+0x18/0x80
<4>[  688.146444]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.146453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.146456]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.146459]  ? mark_held_locks+0x46/0x90
<4>[  688.146470]  __iommu_map+0x119/0x2c0
<4>[  688.146479]  iommu_map_sg+0xbf/0x210
<4>[  688.146486]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.146496]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.146502]  dma_map_sgtable+0x1d/0x40
<4>[  688.148726]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.148793] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.148953] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.148959] RAX: 0000000000000000 RBX: ffff888120b7f040 RCX: 0000000000000000
<4>[  688.148960] RDX: 0000000000000000 RSI: 0000000003e13408 RDI: 0000000000000000
<4>[  688.148962] RBP: ffffc90001d6f248 R08: 0000000000277c07 R09: 0000000000000001
<4>[  688.148963] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf9
<4>[  688.148965] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c07003
<4>[  688.148966] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.148968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.148970] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.148971] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.148973] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.148974] Call Trace:
<4>[  688.148975]  <TASK>
<4>[  688.148977]  ? show_regs+0x6c/0x80
<4>[  688.148981]  ? __warn+0x93/0x1c0
<4>[  688.148984]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.148988]  ? report_bug+0x182/0x1b0
<4>[  688.148993]  ? handle_bug+0x6e/0xb0
<4>[  688.148996]  ? exc_invalid_op+0x18/0x80
<4>[  688.148999]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.149008]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.149011]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.149014]  ? mark_held_locks+0x46/0x90
<4>[  688.149025]  __iommu_map+0x119/0x2c0
<4>[  688.149034]  iommu_map_sg+0xbf/0x210
<4>[  688.149041]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.149051]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.149057]  dma_map_sgtable+0x1d/0x40
<4>[  688.150753]  ? lock_acquire+0xc9/0x300
<4>[  688.151346] RIP: 0033:0x702727724ded
<4>[  688.151372] hardirqs last  enabled at (233783821): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.151516] RAX: 0000000000000000 RBX: ffff888120b7f048 RCX: 0000000000000000
<4>[  688.151518] RDX: 0000000000000000 RSI: 0000000003e13409 RDI: 0000000000000000
<4>[  688.151519] RBP: ffffc90001d6f248 R08: 0000000000277c08 R09: 0000000000000001
<4>[  688.151520] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf8
<4>[  688.151522] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c08003
<4>[  688.151524] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.151525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.151527] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.151528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.151530] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.151531] Call Trace:
<4>[  688.151532]  <TASK>
<4>[  688.151534]  ? show_regs+0x6c/0x80
<4>[  688.151538]  ? __warn+0x93/0x1c0
<4>[  688.151541]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.151545]  ? report_bug+0x182/0x1b0
<4>[  688.151550]  ? handle_bug+0x6e/0xb0
<4>[  688.151553]  ? exc_invalid_op+0x18/0x80
<4>[  688.151556]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.151565]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.151568]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.151571]  ? mark_held_locks+0x46/0x90
<4>[  688.151582]  __iommu_map+0x119/0x2c0
<4>[  688.151591]  iommu_map_sg+0xbf/0x210
<4>[  688.151598]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.151608]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.151614]  dma_map_sgtable+0x1d/0x40
<4>[  688.151617]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.153903] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.154063] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.154069] RAX: 0000000000000000 RBX: ffff888120b7f050 RCX: 0000000000000000
<4>[  688.154071] RDX: 0000000000000000 RSI: 0000000003e1340a RDI: 0000000000000000
<4>[  688.154072] RBP: ffffc90001d6f248 R08: 0000000000277c09 R09: 0000000000000001
<4>[  688.154074] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf7
<4>[  688.154075] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c09003
<4>[  688.154077] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.154079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.154080] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.154082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.154083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.154085] Call Trace:
<4>[  688.154086]  <TASK>
<4>[  688.154088]  ? show_regs+0x6c/0x80
<4>[  688.154091]  ? __warn+0x93/0x1c0
<4>[  688.154094]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.154098]  ? report_bug+0x182/0x1b0
<4>[  688.154103]  ? handle_bug+0x6e/0xb0
<4>[  688.154106]  ? exc_invalid_op+0x18/0x80
<4>[  688.154109]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.154118]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.154121]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.154124]  ? mark_held_locks+0x46/0x90
<4>[  688.154135]  __iommu_map+0x119/0x2c0
<4>[  688.154145]  iommu_map_sg+0xbf/0x210
<4>[  688.154152]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.154162]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.154167]  dma_map_sgtable+0x1d/0x40
<4>[  688.155093]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.156460] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.156619] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.156625] RAX: 0000000000000000 RBX: ffff888120b7f058 RCX: 0000000000000000
<4>[  688.156627] RDX: 0000000000000000 RSI: 0000000003e1340b RDI: 0000000000000000
<4>[  688.156628] RBP: ffffc90001d6f248 R08: 0000000000277c0a R09: 0000000000000001
<4>[  688.156630] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf6
<4>[  688.156631] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0a003
<4>[  688.156633] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.156634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.156636] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.156637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.156639] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.156640] Call Trace:
<4>[  688.156641]  <TASK>
<4>[  688.156643]  ? show_regs+0x6c/0x80
<4>[  688.156647]  ? __warn+0x93/0x1c0
<4>[  688.156650]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.156654]  ? report_bug+0x182/0x1b0
<4>[  688.156659]  ? handle_bug+0x6e/0xb0
<4>[  688.156661]  ? exc_invalid_op+0x18/0x80
<4>[  688.156664]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.156673]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.156677]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.156680]  ? mark_held_locks+0x46/0x90
<4>[  688.156691]  __iommu_map+0x119/0x2c0
<4>[  688.156700]  iommu_map_sg+0xbf/0x210
<4>[  688.156707]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.156717]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.156723]  dma_map_sgtable+0x1d/0x40
<4>[  688.157650]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.159012] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.159173] 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>[  688.159178] RDX: 0000000000000000 RSI: 0000000003e1340c RDI: 0000000000000000
<4>[  688.159181] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf5
<4>[  688.159183] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0b003
<4>[  688.159184] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.159186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.159188] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.159189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.159191] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.159192] Call Trace:
<4>[  688.159193]  <TASK>
<4>[  688.159195]  ? show_regs+0x6c/0x80
<4>[  688.159198]  ? __warn+0x93/0x1c0
<4>[  688.159202]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.159206]  ? report_bug+0x182/0x1b0
<4>[  688.159211]  ? handle_bug+0x6e/0xb0
<4>[  688.159213]  ? exc_invalid_op+0x18/0x80
<4>[  688.159216]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.159225]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.159234]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.159237]  ? mark_held_locks+0x46/0x90
<4>[  688.159248]  __iommu_map+0x119/0x2c0
<4>[  688.159257]  iommu_map_sg+0xbf/0x210
<4>[  688.159264]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.159274]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.160200]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.161567] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.161725] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.161731] RAX: 0000000000000000 RBX: ffff888120b7f068 RCX: 0000000000000000
<4>[  688.161732] RDX: 0000000000000000 RSI: 0000000003e1340d RDI: 0000000000000000
<4>[  688.161734] RBP: ffffc90001d6f248 R08: 0000000000277c0c R09: 0000000000000001
<4>[  688.161735] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf4
<4>[  688.161737] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0c003
<4>[  688.161738] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.161740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.161741] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.161743] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.161744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.161746] Call Trace:
<4>[  688.161747]  <TASK>
<4>[  688.161749]  ? show_regs+0x6c/0x80
<4>[  688.161752]  ? __warn+0x93/0x1c0
<4>[  688.161755]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.161759]  ? report_bug+0x182/0x1b0
<4>[  688.161764]  ? handle_bug+0x6e/0xb0
<4>[  688.161767]  ? exc_invalid_op+0x18/0x80
<4>[  688.161770]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.161779]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.161782]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.161785]  ? mark_held_locks+0x46/0x90
<4>[  688.161796]  __iommu_map+0x119/0x2c0
<4>[  688.161805]  iommu_map_sg+0xbf/0x210
<4>[  688.161812]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.161822]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.161828]  dma_map_sgtable+0x1d/0x40
<4>[  688.162754]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.164120] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.164281] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.164287] RAX: 0000000000000000 RBX: ffff888120b7f070 RCX: 0000000000000000
<4>[  688.164289] RDX: 0000000000000000 RSI: 0000000003e1340e RDI: 0000000000000000
<4>[  688.164290] RBP: ffffc90001d6f248 R08: 0000000000277c0d R09: 0000000000000001
<4>[  688.164292] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf3
<4>[  688.164293] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0d003
<4>[  688.164295] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.164297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.164298] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.164300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.164301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.164303] Call Trace:
<4>[  688.164304]  <TASK>
<4>[  688.164306]  ? show_regs+0x6c/0x80
<4>[  688.164309]  ? __warn+0x93/0x1c0
<4>[  688.164313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.164317]  ? report_bug+0x182/0x1b0
<4>[  688.164322]  ? handle_bug+0x6e/0xb0
<4>[  688.164325]  ? exc_invalid_op+0x18/0x80
<4>[  688.164328]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.164337]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.164340]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.164343]  ? mark_held_locks+0x46/0x90
<4>[  688.164354]  __iommu_map+0x119/0x2c0
<4>[  688.164363]  iommu_map_sg+0xbf/0x210
<4>[  688.164371]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.164381]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.164386]  dma_map_sgtable+0x1d/0x40
<4>[  688.166614]  x64_sys_call+0x131e/0x2650
<4>[  688.166677] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.166834] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.166840] RAX: 0000000000000000 RBX: ffff888120b7f078 RCX: 0000000000000000
<4>[  688.166842] RDX: 0000000000000000 RSI: 0000000003e1340f RDI: 0000000000000000
<4>[  688.166843] RBP: ffffc90001d6f248 R08: 0000000000277c0e R09: 0000000000000001
<4>[  688.166845] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf2
<4>[  688.166846] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0e003
<4>[  688.166848] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.166849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.166851] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.166852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.166854] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.166855] Call Trace:
<4>[  688.166856]  <TASK>
<4>[  688.166858]  ? show_regs+0x6c/0x80
<4>[  688.166862]  ? __warn+0x93/0x1c0
<4>[  688.166865]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.166869]  ? report_bug+0x182/0x1b0
<4>[  688.166874]  ? handle_bug+0x6e/0xb0
<4>[  688.166876]  ? exc_invalid_op+0x18/0x80
<4>[  688.166879]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.166888]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.166892]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.166895]  ? mark_held_locks+0x46/0x90
<4>[  688.166906]  __iommu_map+0x119/0x2c0
<4>[  688.166915]  iommu_map_sg+0xbf/0x210
<4>[  688.166922]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.166932]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.166937]  dma_map_sgtable+0x1d/0x40
<4>[  688.167864]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.169231] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.169391] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.169397] RAX: 0000000000000000 RBX: ffff888120b7f080 RCX: 0000000000000000
<4>[  688.169399] RDX: 0000000000000000 RSI: 0000000003e13410 RDI: 0000000000000000
<4>[  688.169400] RBP: ffffc90001d6f248 R08: 0000000000277c0f R09: 0000000000000001
<4>[  688.169401] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf1
<4>[  688.169403] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c0f003
<4>[  688.169405] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.169406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.169408] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.169409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.169411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.169412] Call Trace:
<4>[  688.169413]  <TASK>
<4>[  688.169415]  ? show_regs+0x6c/0x80
<4>[  688.169419]  ? __warn+0x93/0x1c0
<4>[  688.169422]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.169426]  ? report_bug+0x182/0x1b0
<4>[  688.169431]  ? handle_bug+0x6e/0xb0
<4>[  688.169433]  ? exc_invalid_op+0x18/0x80
<4>[  688.169436]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.169446]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.169449]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.169452]  ? mark_held_locks+0x46/0x90
<4>[  688.169463]  __iommu_map+0x119/0x2c0
<4>[  688.169472]  iommu_map_sg+0xbf/0x210
<4>[  688.169479]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.169489]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.169495]  dma_map_sgtable+0x1d/0x40
<4>[  688.171243]  ? __might_fault+0x53/0xb0
<4>[  688.171783] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.171943] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.171949] RAX: 0000000000000000 RBX: ffff888120b7f088 RCX: 0000000000000000
<4>[  688.171951] RDX: 0000000000000000 RSI: 0000000003e13411 RDI: 0000000000000000
<4>[  688.171952] RBP: ffffc90001d6f248 R08: 0000000000277c10 R09: 0000000000000001
<4>[  688.171953] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bf0
<4>[  688.171955] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c10003
<4>[  688.171956] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.171958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.171960] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.171961] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.171963] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.171964] Call Trace:
<4>[  688.171965]  <TASK>
<4>[  688.171967]  ? show_regs+0x6c/0x80
<4>[  688.171971]  ? __warn+0x93/0x1c0
<4>[  688.171974]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.171978]  ? report_bug+0x182/0x1b0
<4>[  688.171983]  ? handle_bug+0x6e/0xb0
<4>[  688.171985]  ? exc_invalid_op+0x18/0x80
<4>[  688.171988]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.171997]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.172001]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.172004]  ? mark_held_locks+0x46/0x90
<4>[  688.172015]  __iommu_map+0x119/0x2c0
<4>[  688.172024]  iommu_map_sg+0xbf/0x210
<4>[  688.172031]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.172041]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.172046]  dma_map_sgtable+0x1d/0x40
<4>[  688.172824]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.174346] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.174503] 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>[  688.174508] RDX: 0000000000000000 RSI: 0000000003e13412 RDI: 0000000000000000
<4>[  688.174511] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bef
<4>[  688.174513] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c11003
<4>[  688.174514] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.174516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.174517] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.174519] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.174520] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.174522] Call Trace:
<4>[  688.174523]  <TASK>
<4>[  688.174525]  ? show_regs+0x6c/0x80
<4>[  688.174529]  ? __warn+0x93/0x1c0
<4>[  688.174532]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.174536]  ? report_bug+0x182/0x1b0
<4>[  688.174541]  ? handle_bug+0x6e/0xb0
<4>[  688.174543]  ? exc_invalid_op+0x18/0x80
<4>[  688.174546]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.174555]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.174559]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.174562]  ? mark_held_locks+0x46/0x90
<4>[  688.174573]  __iommu_map+0x119/0x2c0
<4>[  688.174582]  iommu_map_sg+0xbf/0x210
<4>[  688.174589]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.174599]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.174918]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.176897] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.177057] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.177063] RAX: 0000000000000000 RBX: ffff888120b7f098 RCX: 0000000000000000
<4>[  688.177065] RDX: 0000000000000000 RSI: 0000000003e13413 RDI: 0000000000000000
<4>[  688.177066] RBP: ffffc90001d6f248 R08: 0000000000277c12 R09: 0000000000000001
<4>[  688.177068] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bee
<4>[  688.177069] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c12003
<4>[  688.177071] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.177072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.177074] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.177076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.177077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.177078] Call Trace:
<4>[  688.177080]  <TASK>
<4>[  688.177081]  ? show_regs+0x6c/0x80
<4>[  688.177085]  ? __warn+0x93/0x1c0
<4>[  688.177088]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.177092]  ? report_bug+0x182/0x1b0
<4>[  688.177097]  ? handle_bug+0x6e/0xb0
<4>[  688.177100]  ? exc_invalid_op+0x18/0x80
<4>[  688.177103]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.177112]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.177115]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.177118]  ? mark_held_locks+0x46/0x90
<4>[  688.177129]  __iommu_map+0x119/0x2c0
<4>[  688.177138]  iommu_map_sg+0xbf/0x210
<4>[  688.177146]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.177156]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.177161]  dma_map_sgtable+0x1d/0x40
<4>[  688.179389]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.179455] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.179615] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.179620] RAX: 0000000000000000 RBX: ffff888120b7f0a0 RCX: 0000000000000000
<4>[  688.179622] RDX: 0000000000000000 RSI: 0000000003e13414 RDI: 0000000000000000
<4>[  688.179623] RBP: ffffc90001d6f248 R08: 0000000000277c13 R09: 0000000000000001
<4>[  688.179625] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bed
<4>[  688.179626] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c13003
<4>[  688.179628] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.179630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.179631] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.179633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.179634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.179635] Call Trace:
<4>[  688.179637]  <TASK>
<4>[  688.179638]  ? show_regs+0x6c/0x80
<4>[  688.179642]  ? __warn+0x93/0x1c0
<4>[  688.179645]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.179649]  ? report_bug+0x182/0x1b0
<4>[  688.179654]  ? handle_bug+0x6e/0xb0
<4>[  688.179657]  ? exc_invalid_op+0x18/0x80
<4>[  688.179659]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.179669]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.179672]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.179675]  ? mark_held_locks+0x46/0x90
<4>[  688.179686]  __iommu_map+0x119/0x2c0
<4>[  688.179695]  iommu_map_sg+0xbf/0x210
<4>[  688.179702]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.179712]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.179718]  dma_map_sgtable+0x1d/0x40
<4>[  688.181453]  ? __lock_acquire+0x442/0x2810
<4>[  688.182013] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.182174] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.182180] RAX: 0000000000000000 RBX: ffff888120b7f0a8 RCX: 0000000000000000
<4>[  688.182181] RDX: 0000000000000000 RSI: 0000000003e13415 RDI: 0000000000000000
<4>[  688.182183] RBP: ffffc90001d6f248 R08: 0000000000277c14 R09: 0000000000000001
<4>[  688.182184] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bec
<4>[  688.182186] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c14003
<4>[  688.182187] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.182189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.182191] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.182192] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.182193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.182195] Call Trace:
<4>[  688.182196]  <TASK>
<4>[  688.182198]  ? show_regs+0x6c/0x80
<4>[  688.182202]  ? __warn+0x93/0x1c0
<4>[  688.182205]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.182209]  ? report_bug+0x182/0x1b0
<4>[  688.182214]  ? handle_bug+0x6e/0xb0
<4>[  688.182217]  ? exc_invalid_op+0x18/0x80
<4>[  688.182220]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.182234]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.182238]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.182241]  ? mark_held_locks+0x46/0x90
<4>[  688.182252]  __iommu_map+0x119/0x2c0
<4>[  688.182261]  iommu_map_sg+0xbf/0x210
<4>[  688.182268]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.182278]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.182284]  dma_map_sgtable+0x1d/0x40
<4>[  688.184346]  drm_ioctl_kernel+0xb2/0x120
<4>[  688.184582] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.184745] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.184751] RAX: 0000000000000000 RBX: ffff888120b7f0b0 RCX: 0000000000000000
<4>[  688.184753] RDX: 0000000000000000 RSI: 0000000003e13416 RDI: 0000000000000000
<4>[  688.184754] RBP: ffffc90001d6f248 R08: 0000000000277c15 R09: 0000000000000001
<4>[  688.184756] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9beb
<4>[  688.184757] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c15003
<4>[  688.184759] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.184760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.184762] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.184763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.184765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.184766] Call Trace:
<4>[  688.184768]  <TASK>
<4>[  688.184769]  ? show_regs+0x6c/0x80
<4>[  688.184773]  ? __warn+0x93/0x1c0
<4>[  688.184776]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.184780]  ? report_bug+0x182/0x1b0
<4>[  688.184785]  ? handle_bug+0x6e/0xb0
<4>[  688.184788]  ? exc_invalid_op+0x18/0x80
<4>[  688.184791]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.184800]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.184804]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.184807]  ? mark_held_locks+0x46/0x90
<4>[  688.184818]  __iommu_map+0x119/0x2c0
<4>[  688.184827]  iommu_map_sg+0xbf/0x210
<4>[  688.184834]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.184844]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.184850]  dma_map_sgtable+0x1d/0x40
<4>[  688.185627]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.187142] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.187307] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.187310] RAX: 0000000000000000 RBX: ffff888120b7f0b8 RCX: 0000000000000000
<4>[  688.187311] RDX: 0000000000000000 RSI: 0000000003e13417 RDI: 0000000000000000
<4>[  688.187313] RBP: ffffc90001d6f248 R08: 0000000000277c16 R09: 0000000000000001
<4>[  688.187314] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bea
<4>[  688.187316] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c16003
<4>[  688.187317] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.187319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.187321] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.187322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.187324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.187325] Call Trace:
<4>[  688.187327]  <TASK>
<4>[  688.187328]  ? show_regs+0x6c/0x80
<4>[  688.187332]  ? __warn+0x93/0x1c0
<4>[  688.187336]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.187340]  ? report_bug+0x182/0x1b0
<4>[  688.187345]  ? handle_bug+0x6e/0xb0
<4>[  688.187347]  ? exc_invalid_op+0x18/0x80
<4>[  688.187350]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.187359]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.187363]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.187366]  ? mark_held_locks+0x46/0x90
<4>[  688.187377]  __iommu_map+0x119/0x2c0
<4>[  688.187386]  iommu_map_sg+0xbf/0x210
<4>[  688.187394]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.187404]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.187409]  dma_map_sgtable+0x1d/0x40
<4>[  688.189462]  drm_ioctl_kernel+0xb2/0x120
<4>[  688.189694] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.189853] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.189859] RAX: 0000000000000000 RBX: ffff888120b7f0c0 RCX: 0000000000000000
<4>[  688.189860] RDX: 0000000000000000 RSI: 0000000003e13418 RDI: 0000000000000000
<4>[  688.189862] RBP: ffffc90001d6f248 R08: 0000000000277c17 R09: 0000000000000001
<4>[  688.189863] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be9
<4>[  688.189865] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c17003
<4>[  688.189866] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.189868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.189869] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.189871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.189872] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.189874] Call Trace:
<4>[  688.189875]  <TASK>
<4>[  688.189877]  ? show_regs+0x6c/0x80
<4>[  688.189880]  ? __warn+0x93/0x1c0
<4>[  688.189883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.189887]  ? report_bug+0x182/0x1b0
<4>[  688.189892]  ? handle_bug+0x6e/0xb0
<4>[  688.189895]  ? exc_invalid_op+0x18/0x80
<4>[  688.189898]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.189907]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.189910]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.189913]  ? mark_held_locks+0x46/0x90
<4>[  688.189925]  __iommu_map+0x119/0x2c0
<4>[  688.189934]  iommu_map_sg+0xbf/0x210
<4>[  688.189941]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.189951]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.189956]  dma_map_sgtable+0x1d/0x40
<4>[  688.190584]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.192258] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.192415] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.192417] RAX: 0000000000000000 RBX: ffff888120b7f0c8 RCX: 0000000000000000
<4>[  688.192419] RDX: 0000000000000000 RSI: 0000000003e13419 RDI: 0000000000000000
<4>[  688.192420] RBP: ffffc90001d6f248 R08: 0000000000277c18 R09: 0000000000000001
<4>[  688.192422] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be8
<4>[  688.192423] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c18003
<4>[  688.192425] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.192426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.192428] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.192429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.192431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.192432] Call Trace:
<4>[  688.192434]  <TASK>
<4>[  688.192435]  ? show_regs+0x6c/0x80
<4>[  688.192439]  ? __warn+0x93/0x1c0
<4>[  688.192442]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.192446]  ? report_bug+0x182/0x1b0
<4>[  688.192451]  ? handle_bug+0x6e/0xb0
<4>[  688.192454]  ? exc_invalid_op+0x18/0x80
<4>[  688.192457]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.192466]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.192469]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.192472]  ? mark_held_locks+0x46/0x90
<4>[  688.192483]  __iommu_map+0x119/0x2c0
<4>[  688.192493]  iommu_map_sg+0xbf/0x210
<4>[  688.192500]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.192510]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.192515]  dma_map_sgtable+0x1d/0x40
<4>[  688.194427]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.194835] softirqs last  enabled at (233849982): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.194974] RAX: 0000000000000000 RBX: ffff888120b7f0d0 RCX: 0000000000000000
<4>[  688.194975] RDX: 0000000000000000 RSI: 0000000003e1341a RDI: 0000000000000000
<4>[  688.194977] RBP: ffffc90001d6f248 R08: 0000000000277c19 R09: 0000000000000001
<4>[  688.194978] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be7
<4>[  688.194980] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c19003
<4>[  688.194981] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.194983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.194985] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.194986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.194988] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.194989] Call Trace:
<4>[  688.194990]  <TASK>
<4>[  688.194992]  ? show_regs+0x6c/0x80
<4>[  688.194996]  ? __warn+0x93/0x1c0
<4>[  688.194999]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.195003]  ? report_bug+0x182/0x1b0
<4>[  688.195008]  ? handle_bug+0x6e/0xb0
<4>[  688.195011]  ? exc_invalid_op+0x18/0x80
<4>[  688.195014]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.195023]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.195026]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.195029]  ? mark_held_locks+0x46/0x90
<4>[  688.195040]  __iommu_map+0x119/0x2c0
<4>[  688.195050]  iommu_map_sg+0xbf/0x210
<4>[  688.195057]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.195066]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.195072]  dma_map_sgtable+0x1d/0x40
<4>[  688.195700]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.197376] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.197534] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.197537] RAX: 0000000000000000 RBX: ffff888120b7f0d8 RCX: 0000000000000000
<4>[  688.197538] RDX: 0000000000000000 RSI: 0000000003e1341b RDI: 0000000000000000
<4>[  688.197539] RBP: ffffc90001d6f248 R08: 0000000000277c1a R09: 0000000000000001
<4>[  688.197541] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be6
<4>[  688.197542] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1a003
<4>[  688.197544] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.197546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.197547] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.197549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.197550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.197552] Call Trace:
<4>[  688.197553]  <TASK>
<4>[  688.197555]  ? show_regs+0x6c/0x80
<4>[  688.197558]  ? __warn+0x93/0x1c0
<4>[  688.197562]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.197565]  ? report_bug+0x182/0x1b0
<4>[  688.197571]  ? handle_bug+0x6e/0xb0
<4>[  688.197573]  ? exc_invalid_op+0x18/0x80
<4>[  688.197576]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.197585]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.197588]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.197591]  ? mark_held_locks+0x46/0x90
<4>[  688.197603]  __iommu_map+0x119/0x2c0
<4>[  688.197612]  iommu_map_sg+0xbf/0x210
<4>[  688.197619]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.197629]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.197634]  dma_map_sgtable+0x1d/0x40
<4>[  688.199542]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.199947] hardirqs last disabled at (233859512): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.200088] RAX: 0000000000000000 RBX: ffff888120b7f0e0 RCX: 0000000000000000
<4>[  688.200089] RDX: 0000000000000000 RSI: 0000000003e1341c RDI: 0000000000000000
<4>[  688.200091] RBP: ffffc90001d6f248 R08: 0000000000277c1b R09: 0000000000000001
<4>[  688.200092] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be5
<4>[  688.200093] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1b003
<4>[  688.200095] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.200097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.200098] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.200100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.200101] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.200103] Call Trace:
<4>[  688.200104]  <TASK>
<4>[  688.200106]  ? show_regs+0x6c/0x80
<4>[  688.200109]  ? __warn+0x93/0x1c0
<4>[  688.200112]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.200116]  ? report_bug+0x182/0x1b0
<4>[  688.200121]  ? handle_bug+0x6e/0xb0
<4>[  688.200124]  ? exc_invalid_op+0x18/0x80
<4>[  688.200127]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.200136]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.200140]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.200143]  ? mark_held_locks+0x46/0x90
<4>[  688.200154]  __iommu_map+0x119/0x2c0
<4>[  688.200163]  iommu_map_sg+0xbf/0x210
<4>[  688.200170]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.200180]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.200186]  dma_map_sgtable+0x1d/0x40
<4>[  688.200962]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.202482] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.202640] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.202642] RAX: 0000000000000000 RBX: ffff888120b7f0e8 RCX: 0000000000000000
<4>[  688.202643] RDX: 0000000000000000 RSI: 0000000003e1341d RDI: 0000000000000000
<4>[  688.202645] RBP: ffffc90001d6f248 R08: 0000000000277c1c R09: 0000000000000001
<4>[  688.202646] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be4
<4>[  688.202648] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1c003
<4>[  688.202649] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.202651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.202653] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.202654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.202656] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.202657] Call Trace:
<4>[  688.202658]  <TASK>
<4>[  688.202660]  ? show_regs+0x6c/0x80
<4>[  688.202664]  ? __warn+0x93/0x1c0
<4>[  688.202667]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.202671]  ? report_bug+0x182/0x1b0
<4>[  688.202676]  ? handle_bug+0x6e/0xb0
<4>[  688.202678]  ? exc_invalid_op+0x18/0x80
<4>[  688.202681]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.202690]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.202694]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.202697]  ? mark_held_locks+0x46/0x90
<4>[  688.202708]  __iommu_map+0x119/0x2c0
<4>[  688.202717]  iommu_map_sg+0xbf/0x210
<4>[  688.202724]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.202734]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.202739]  dma_map_sgtable+0x1d/0x40
<4>[  688.204451]  ? __kernel_text_address+0x12/0x50
<4>[  688.205026] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.205186] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.205192] RAX: 0000000000000000 RBX: ffff888120b7f0f0 RCX: 0000000000000000
<4>[  688.205193] RDX: 0000000000000000 RSI: 0000000003e1341e RDI: 0000000000000000
<4>[  688.205195] RBP: ffffc90001d6f248 R08: 0000000000277c1d R09: 0000000000000001
<4>[  688.205196] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be3
<4>[  688.205198] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1d003
<4>[  688.205199] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.205201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.205202] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.205204] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.205205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.205207] Call Trace:
<4>[  688.205208]  <TASK>
<4>[  688.205210]  ? show_regs+0x6c/0x80
<4>[  688.205213]  ? __warn+0x93/0x1c0
<4>[  688.205217]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.205220]  ? report_bug+0x182/0x1b0
<4>[  688.205230]  ? handle_bug+0x6e/0xb0
<4>[  688.205233]  ? exc_invalid_op+0x18/0x80
<4>[  688.205236]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.205245]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.205248]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.205251]  ? mark_held_locks+0x46/0x90
<4>[  688.205263]  __iommu_map+0x119/0x2c0
<4>[  688.205272]  iommu_map_sg+0xbf/0x210
<4>[  688.205279]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.205289]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.205294]  dma_map_sgtable+0x1d/0x40
<4>[  688.207348]  drm_ioctl_kernel+0xb2/0x120
<4>[  688.207582] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.207741] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.207747] RAX: 0000000000000000 RBX: ffff888120b7f0f8 RCX: 0000000000000000
<4>[  688.207748] RDX: 0000000000000000 RSI: 0000000003e1341f RDI: 0000000000000000
<4>[  688.207750] RBP: ffffc90001d6f248 R08: 0000000000277c1e R09: 0000000000000001
<4>[  688.207751] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be2
<4>[  688.207753] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1e003
<4>[  688.207754] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.207756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.207758] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.207759] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.207761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.207762] Call Trace:
<4>[  688.207763]  <TASK>
<4>[  688.207765]  ? show_regs+0x6c/0x80
<4>[  688.207769]  ? __warn+0x93/0x1c0
<4>[  688.207772]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.207776]  ? report_bug+0x182/0x1b0
<4>[  688.207781]  ? handle_bug+0x6e/0xb0
<4>[  688.207783]  ? exc_invalid_op+0x18/0x80
<4>[  688.207786]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.207795]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.207799]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.207802]  ? mark_held_locks+0x46/0x90
<4>[  688.207813]  __iommu_map+0x119/0x2c0
<4>[  688.207822]  iommu_map_sg+0xbf/0x210
<4>[  688.207829]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.207839]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.207845]  dma_map_sgtable+0x1d/0x40
<4>[  688.208323]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.210137] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.210303] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.210309] RAX: 0000000000000000 RBX: ffff888120b7f100 RCX: 0000000000000000
<4>[  688.210311] RDX: 0000000000000000 RSI: 0000000003e13420 RDI: 0000000000000000
<4>[  688.210312] RBP: ffffc90001d6f248 R08: 0000000000277c1f R09: 0000000000000001
<4>[  688.210314] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be1
<4>[  688.210315] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c1f003
<4>[  688.210317] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.210319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.210320] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.210322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.210324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.210325] Call Trace:
<4>[  688.210326]  <TASK>
<4>[  688.210328]  ? show_regs+0x6c/0x80
<4>[  688.210332]  ? __warn+0x93/0x1c0
<4>[  688.210335]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.210339]  ? report_bug+0x182/0x1b0
<4>[  688.210344]  ? handle_bug+0x6e/0xb0
<4>[  688.210347]  ? exc_invalid_op+0x18/0x80
<4>[  688.210350]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.210359]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.210362]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.210365]  ? mark_held_locks+0x46/0x90
<4>[  688.210376]  __iommu_map+0x119/0x2c0
<4>[  688.210386]  iommu_map_sg+0xbf/0x210
<4>[  688.210393]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.210403]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.210408]  dma_map_sgtable+0x1d/0x40
<4>[  688.212635]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.212702] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.212862] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.212868] RAX: 0000000000000000 RBX: ffff888120b7f108 RCX: 0000000000000000
<4>[  688.212869] RDX: 0000000000000000 RSI: 0000000003e13421 RDI: 0000000000000000
<4>[  688.212871] RBP: ffffc90001d6f248 R08: 0000000000277c20 R09: 0000000000000001
<4>[  688.212872] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9be0
<4>[  688.212874] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c20003
<4>[  688.212875] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.212877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.212878] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.212880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.212881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.212883] Call Trace:
<4>[  688.212884]  <TASK>
<4>[  688.212886]  ? show_regs+0x6c/0x80
<4>[  688.212889]  ? __warn+0x93/0x1c0
<4>[  688.212892]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.212896]  ? report_bug+0x182/0x1b0
<4>[  688.212901]  ? handle_bug+0x6e/0xb0
<4>[  688.212904]  ? exc_invalid_op+0x18/0x80
<4>[  688.212907]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.212916]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.212919]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.212922]  ? mark_held_locks+0x46/0x90
<4>[  688.212934]  __iommu_map+0x119/0x2c0
<4>[  688.212943]  iommu_map_sg+0xbf/0x210
<4>[  688.212950]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.212960]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.212965]  dma_map_sgtable+0x1d/0x40
<4>[  688.213744]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.215267] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.215424] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.215427] RAX: 0000000000000000 RBX: ffff888120b7f110 RCX: 0000000000000000
<4>[  688.215428] RDX: 0000000000000000 RSI: 0000000003e13422 RDI: 0000000000000000
<4>[  688.215429] RBP: ffffc90001d6f248 R08: 0000000000277c21 R09: 0000000000000001
<4>[  688.215431] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bdf
<4>[  688.215432] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c21003
<4>[  688.215434] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.215436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.215437] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.215439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.215440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.215442] Call Trace:
<4>[  688.215443]  <TASK>
<4>[  688.215445]  ? show_regs+0x6c/0x80
<4>[  688.215448]  ? __warn+0x93/0x1c0
<4>[  688.215452]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.215456]  ? report_bug+0x182/0x1b0
<4>[  688.215461]  ? handle_bug+0x6e/0xb0
<4>[  688.215463]  ? exc_invalid_op+0x18/0x80
<4>[  688.215466]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.215475]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.215479]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.215482]  ? mark_held_locks+0x46/0x90
<4>[  688.215493]  __iommu_map+0x119/0x2c0
<4>[  688.215502]  iommu_map_sg+0xbf/0x210
<4>[  688.215509]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.215519]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.215525]  dma_map_sgtable+0x1d/0x40
<4>[  688.217257]  ? lock_release+0xd4/0x2b0
<4>[  688.217811] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.217970] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.217976] RAX: 0000000000000000 RBX: ffff888120b7f118 RCX: 0000000000000000
<4>[  688.217978] RDX: 0000000000000000 RSI: 0000000003e13423 RDI: 0000000000000000
<4>[  688.217979] RBP: ffffc90001d6f248 R08: 0000000000277c22 R09: 0000000000000001
<4>[  688.217981] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bde
<4>[  688.217982] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c22003
<4>[  688.217984] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.217985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.217987] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.217989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.217990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.217991] Call Trace:
<4>[  688.217993]  <TASK>
<4>[  688.217994]  ? show_regs+0x6c/0x80
<4>[  688.217998]  ? __warn+0x93/0x1c0
<4>[  688.218001]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.218005]  ? report_bug+0x182/0x1b0
<4>[  688.218010]  ? handle_bug+0x6e/0xb0
<4>[  688.218013]  ? exc_invalid_op+0x18/0x80
<4>[  688.218016]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.218025]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.218028]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.218031]  ? mark_held_locks+0x46/0x90
<4>[  688.218042]  __iommu_map+0x119/0x2c0
<4>[  688.218051]  iommu_map_sg+0xbf/0x210
<4>[  688.218059]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.218068]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.218074]  dma_map_sgtable+0x1d/0x40
<4>[  688.219771]  ? lock_acquire+0xc9/0x300
<4>[  688.220364] RIP: 0033:0x702727724ded
<4>[  688.220391] hardirqs last  enabled at (233891381): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.220534] RAX: 0000000000000000 RBX: ffff888120b7f120 RCX: 0000000000000000
<4>[  688.220536] RDX: 0000000000000000 RSI: 0000000003e13424 RDI: 0000000000000000
<4>[  688.220537] RBP: ffffc90001d6f248 R08: 0000000000277c23 R09: 0000000000000001
<4>[  688.220539] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bdd
<4>[  688.220540] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c23003
<4>[  688.220542] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.220543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.220545] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.220547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.220548] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.220549] Call Trace:
<4>[  688.220551]  <TASK>
<4>[  688.220552]  ? show_regs+0x6c/0x80
<4>[  688.220556]  ? __warn+0x93/0x1c0
<4>[  688.220559]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.220563]  ? report_bug+0x182/0x1b0
<4>[  688.220568]  ? handle_bug+0x6e/0xb0
<4>[  688.220571]  ? exc_invalid_op+0x18/0x80
<4>[  688.220574]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.220583]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.220586]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.220589]  ? mark_held_locks+0x46/0x90
<4>[  688.220600]  __iommu_map+0x119/0x2c0
<4>[  688.220609]  iommu_map_sg+0xbf/0x210
<4>[  688.220616]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.220626]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.220632]  dma_map_sgtable+0x1d/0x40
<4>[  688.220635]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.222921] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.223080] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.223086] RAX: 0000000000000000 RBX: ffff888120b7f128 RCX: 0000000000000000
<4>[  688.223088] RDX: 0000000000000000 RSI: 0000000003e13425 RDI: 0000000000000000
<4>[  688.223089] RBP: ffffc90001d6f248 R08: 0000000000277c24 R09: 0000000000000001
<4>[  688.223091] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bdc
<4>[  688.223092] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c24003
<4>[  688.223094] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.223096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.223097] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.223099] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.223100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.223102] Call Trace:
<4>[  688.223103]  <TASK>
<4>[  688.223105]  ? show_regs+0x6c/0x80
<4>[  688.223108]  ? __warn+0x93/0x1c0
<4>[  688.223111]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.223115]  ? report_bug+0x182/0x1b0
<4>[  688.223120]  ? handle_bug+0x6e/0xb0
<4>[  688.223123]  ? exc_invalid_op+0x18/0x80
<4>[  688.223126]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.223135]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.223138]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.223141]  ? mark_held_locks+0x46/0x90
<4>[  688.223152]  __iommu_map+0x119/0x2c0
<4>[  688.223162]  iommu_map_sg+0xbf/0x210
<4>[  688.223169]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.223179]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.223184]  dma_map_sgtable+0x1d/0x40
<4>[  688.224110]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.225479] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.225639] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.225645] RAX: 0000000000000000 RBX: ffff888120b7f130 RCX: 0000000000000000
<4>[  688.225647] RDX: 0000000000000000 RSI: 0000000003e13426 RDI: 0000000000000000
<4>[  688.225648] RBP: ffffc90001d6f248 R08: 0000000000277c25 R09: 0000000000000001
<4>[  688.225650] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bdb
<4>[  688.225651] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c25003
<4>[  688.225653] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.225655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.225656] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.225658] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.225659] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.225661] Call Trace:
<4>[  688.225662]  <TASK>
<4>[  688.225664]  ? show_regs+0x6c/0x80
<4>[  688.225667]  ? __warn+0x93/0x1c0
<4>[  688.225670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.225674]  ? report_bug+0x182/0x1b0
<4>[  688.225679]  ? handle_bug+0x6e/0xb0
<4>[  688.225682]  ? exc_invalid_op+0x18/0x80
<4>[  688.225685]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.225694]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.225697]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.225700]  ? mark_held_locks+0x46/0x90
<4>[  688.225711]  __iommu_map+0x119/0x2c0
<4>[  688.225721]  iommu_map_sg+0xbf/0x210
<4>[  688.225728]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.225738]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.225743]  dma_map_sgtable+0x1d/0x40
<4>[  688.227456]  ? __kernel_text_address+0x12/0x50
<4>[  688.228033] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.228193] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.228199] RAX: 0000000000000000 RBX: ffff888120b7f138 RCX: 0000000000000000
<4>[  688.228200] RDX: 0000000000000000 RSI: 0000000003e13427 RDI: 0000000000000000
<4>[  688.228202] RBP: ffffc90001d6f248 R08: 0000000000277c26 R09: 0000000000000001
<4>[  688.228203] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bda
<4>[  688.228205] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c26003
<4>[  688.228206] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.228208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.228210] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.228211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.228213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.228214] Call Trace:
<4>[  688.228215]  <TASK>
<4>[  688.228217]  ? show_regs+0x6c/0x80
<4>[  688.228221]  ? __warn+0x93/0x1c0
<4>[  688.228229]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.228233]  ? report_bug+0x182/0x1b0
<4>[  688.228238]  ? handle_bug+0x6e/0xb0
<4>[  688.228240]  ? exc_invalid_op+0x18/0x80
<4>[  688.228243]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.228252]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.228256]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.228259]  ? mark_held_locks+0x46/0x90
<4>[  688.228270]  __iommu_map+0x119/0x2c0
<4>[  688.228279]  iommu_map_sg+0xbf/0x210
<4>[  688.228286]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.228297]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.228302]  dma_map_sgtable+0x1d/0x40
<4>[  688.230521]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.230587] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.230747] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.230752] RAX: 0000000000000000 RBX: ffff888120b7f140 RCX: 0000000000000000
<4>[  688.230754] RDX: 0000000000000000 RSI: 0000000003e13428 RDI: 0000000000000000
<4>[  688.230755] RBP: ffffc90001d6f248 R08: 0000000000277c27 R09: 0000000000000001
<4>[  688.230757] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd9
<4>[  688.230758] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c27003
<4>[  688.230760] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.230762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.230763] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.230765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.230766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.230768] Call Trace:
<4>[  688.230769]  <TASK>
<4>[  688.230771]  ? show_regs+0x6c/0x80
<4>[  688.230774]  ? __warn+0x93/0x1c0
<4>[  688.230777]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.230781]  ? report_bug+0x182/0x1b0
<4>[  688.230786]  ? handle_bug+0x6e/0xb0
<4>[  688.230789]  ? exc_invalid_op+0x18/0x80
<4>[  688.230792]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.230801]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.230804]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.230807]  ? mark_held_locks+0x46/0x90
<4>[  688.230819]  __iommu_map+0x119/0x2c0
<4>[  688.230828]  iommu_map_sg+0xbf/0x210
<4>[  688.230835]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.230845]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.230850]  dma_map_sgtable+0x1d/0x40
<4>[  688.231161]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.233136] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.233302] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.233309] RAX: 0000000000000000 RBX: ffff888120b7f148 RCX: 0000000000000000
<4>[  688.233310] RDX: 0000000000000000 RSI: 0000000003e13429 RDI: 0000000000000000
<4>[  688.233312] RBP: ffffc90001d6f248 R08: 0000000000277c28 R09: 0000000000000001
<4>[  688.233313] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd8
<4>[  688.233315] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c28003
<4>[  688.233316] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.233318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.233320] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.233322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.233323] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.233324] Call Trace:
<4>[  688.233326]  <TASK>
<4>[  688.233327]  ? show_regs+0x6c/0x80
<4>[  688.233331]  ? __warn+0x93/0x1c0
<4>[  688.233334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.233338]  ? report_bug+0x182/0x1b0
<4>[  688.233343]  ? handle_bug+0x6e/0xb0
<4>[  688.233346]  ? exc_invalid_op+0x18/0x80
<4>[  688.233349]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.233358]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.233361]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.233364]  ? mark_held_locks+0x46/0x90
<4>[  688.233375]  __iommu_map+0x119/0x2c0
<4>[  688.233385]  iommu_map_sg+0xbf/0x210
<4>[  688.233392]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.233402]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.233408]  dma_map_sgtable+0x1d/0x40
<4>[  688.235132]  ? __lock_acquire+0x442/0x2810
<4>[  688.235697] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.235857] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.235863] RAX: 0000000000000000 RBX: ffff888120b7f150 RCX: 0000000000000000
<4>[  688.235864] RDX: 0000000000000000 RSI: 0000000003e1342a RDI: 0000000000000000
<4>[  688.235866] RBP: ffffc90001d6f248 R08: 0000000000277c29 R09: 0000000000000001
<4>[  688.235867] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd7
<4>[  688.235869] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c29003
<4>[  688.235870] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.235872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.235874] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.235875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.235876] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.235878] Call Trace:
<4>[  688.235879]  <TASK>
<4>[  688.235881]  ? show_regs+0x6c/0x80
<4>[  688.235884]  ? __warn+0x93/0x1c0
<4>[  688.235888]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.235892]  ? report_bug+0x182/0x1b0
<4>[  688.235897]  ? handle_bug+0x6e/0xb0
<4>[  688.235899]  ? exc_invalid_op+0x18/0x80
<4>[  688.235902]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.235911]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.235915]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.235918]  ? mark_held_locks+0x46/0x90
<4>[  688.235929]  __iommu_map+0x119/0x2c0
<4>[  688.235938]  iommu_map_sg+0xbf/0x210
<4>[  688.235945]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.235955]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.235960]  dma_map_sgtable+0x1d/0x40
<4>[  688.236589]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.238262] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.238418] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.238420] RAX: 0000000000000000 RBX: ffff888120b7f158 RCX: 0000000000000000
<4>[  688.238422] RDX: 0000000000000000 RSI: 0000000003e1342b RDI: 0000000000000000
<4>[  688.238423] RBP: ffffc90001d6f248 R08: 0000000000277c2a R09: 0000000000000001
<4>[  688.238425] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd6
<4>[  688.238426] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2a003
<4>[  688.238428] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.238429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.238431] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.238433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.238434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.238435] Call Trace:
<4>[  688.238437]  <TASK>
<4>[  688.238438]  ? show_regs+0x6c/0x80
<4>[  688.238442]  ? __warn+0x93/0x1c0
<4>[  688.238445]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.238449]  ? report_bug+0x182/0x1b0
<4>[  688.238454]  ? handle_bug+0x6e/0xb0
<4>[  688.238457]  ? exc_invalid_op+0x18/0x80
<4>[  688.238459]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.238469]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.238472]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.238475]  ? mark_held_locks+0x46/0x90
<4>[  688.238486]  __iommu_map+0x119/0x2c0
<4>[  688.238495]  iommu_map_sg+0xbf/0x210
<4>[  688.238502]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.238512]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.238517]  dma_map_sgtable+0x1d/0x40
<4>[  688.240266]  ? __might_fault+0x53/0xb0
<4>[  688.240806] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.240966] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.240972] RAX: 0000000000000000 RBX: ffff888120b7f160 RCX: 0000000000000000
<4>[  688.240973] RDX: 0000000000000000 RSI: 0000000003e1342c RDI: 0000000000000000
<4>[  688.240975] RBP: ffffc90001d6f248 R08: 0000000000277c2b R09: 0000000000000001
<4>[  688.240976] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd5
<4>[  688.240977] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2b003
<4>[  688.240979] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.240981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.240982] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.240984] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.240985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.240987] Call Trace:
<4>[  688.240988]  <TASK>
<4>[  688.240990]  ? show_regs+0x6c/0x80
<4>[  688.240993]  ? __warn+0x93/0x1c0
<4>[  688.240996]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.241000]  ? report_bug+0x182/0x1b0
<4>[  688.241006]  ? handle_bug+0x6e/0xb0
<4>[  688.241008]  ? exc_invalid_op+0x18/0x80
<4>[  688.241011]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.241020]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.241023]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.241027]  ? mark_held_locks+0x46/0x90
<4>[  688.241038]  __iommu_map+0x119/0x2c0
<4>[  688.241047]  iommu_map_sg+0xbf/0x210
<4>[  688.241054]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.241064]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.241070]  dma_map_sgtable+0x1d/0x40
<4>[  688.241997]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.243365] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.243526] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.243531] RAX: 0000000000000000 RBX: ffff888120b7f168 RCX: 0000000000000000
<4>[  688.243533] RDX: 0000000000000000 RSI: 0000000003e1342d RDI: 0000000000000000
<4>[  688.243534] RBP: ffffc90001d6f248 R08: 0000000000277c2c R09: 0000000000000001
<4>[  688.243536] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd4
<4>[  688.243537] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2c003
<4>[  688.243539] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.243541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.243542] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.243544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.243545] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.243547] Call Trace:
<4>[  688.243548]  <TASK>
<4>[  688.243550]  ? show_regs+0x6c/0x80
<4>[  688.243553]  ? __warn+0x93/0x1c0
<4>[  688.243557]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.243560]  ? report_bug+0x182/0x1b0
<4>[  688.243566]  ? handle_bug+0x6e/0xb0
<4>[  688.243568]  ? exc_invalid_op+0x18/0x80
<4>[  688.243571]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.243580]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.243583]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.243587]  ? mark_held_locks+0x46/0x90
<4>[  688.243598]  __iommu_map+0x119/0x2c0
<4>[  688.243607]  iommu_map_sg+0xbf/0x210
<4>[  688.243614]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.243624]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.243629]  dma_map_sgtable+0x1d/0x40
<4>[  688.244406]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.245923] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.246078] 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>[  688.246084] RDX: 0000000000000000 RSI: 0000000003e1342e RDI: 0000000000000000
<4>[  688.246087] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd3
<4>[  688.246088] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2d003
<4>[  688.246090] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.246092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.246093] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.246095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.246096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.246098] Call Trace:
<4>[  688.246099]  <TASK>
<4>[  688.246100]  ? show_regs+0x6c/0x80
<4>[  688.246104]  ? __warn+0x93/0x1c0
<4>[  688.246107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.246111]  ? report_bug+0x182/0x1b0
<4>[  688.246116]  ? handle_bug+0x6e/0xb0
<4>[  688.246119]  ? exc_invalid_op+0x18/0x80
<4>[  688.246122]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.246131]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.246134]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.246137]  ? mark_held_locks+0x46/0x90
<4>[  688.246148]  __iommu_map+0x119/0x2c0
<4>[  688.246157]  iommu_map_sg+0xbf/0x210
<4>[  688.246164]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.246174]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.246957]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.248478] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.248633] 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>[  688.248638] RDX: 0000000000000000 RSI: 0000000003e1342f RDI: 0000000000000000
<4>[  688.248641] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd2
<4>[  688.248643] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2e003
<4>[  688.248644] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.248646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.248648] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.248649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.248651] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.248652] Call Trace:
<4>[  688.248653]  <TASK>
<4>[  688.248655]  ? show_regs+0x6c/0x80
<4>[  688.248658]  ? __warn+0x93/0x1c0
<4>[  688.248662]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.248666]  ? report_bug+0x182/0x1b0
<4>[  688.248671]  ? handle_bug+0x6e/0xb0
<4>[  688.248673]  ? exc_invalid_op+0x18/0x80
<4>[  688.248676]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.248685]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.248689]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.248692]  ? mark_held_locks+0x46/0x90
<4>[  688.248703]  __iommu_map+0x119/0x2c0
<4>[  688.248712]  iommu_map_sg+0xbf/0x210
<4>[  688.248719]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.248729]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.249046]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.251023] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.251182] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.251188] RAX: 0000000000000000 RBX: ffff888120b7f180 RCX: 0000000000000000
<4>[  688.251189] RDX: 0000000000000000 RSI: 0000000003e13430 RDI: 0000000000000000
<4>[  688.251191] RBP: ffffc90001d6f248 R08: 0000000000277c2f R09: 0000000000000001
<4>[  688.251192] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd1
<4>[  688.251194] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c2f003
<4>[  688.251195] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.251197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.251199] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.251200] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.251202] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.251203] Call Trace:
<4>[  688.251204]  <TASK>
<4>[  688.251206]  ? show_regs+0x6c/0x80
<4>[  688.251210]  ? __warn+0x93/0x1c0
<4>[  688.251213]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.251217]  ? report_bug+0x182/0x1b0
<4>[  688.251222]  ? handle_bug+0x6e/0xb0
<4>[  688.251229]  ? exc_invalid_op+0x18/0x80
<4>[  688.251233]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.251242]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.251245]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.251248]  ? mark_held_locks+0x46/0x90
<4>[  688.251259]  __iommu_map+0x119/0x2c0
<4>[  688.251268]  iommu_map_sg+0xbf/0x210
<4>[  688.251275]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.251285]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.251291]  dma_map_sgtable+0x1d/0x40
<4>[  688.252210]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.253578] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.253737] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.253743] RAX: 0000000000000000 RBX: ffff888120b7f188 RCX: 0000000000000000
<4>[  688.253745] RDX: 0000000000000000 RSI: 0000000003e13431 RDI: 0000000000000000
<4>[  688.253746] RBP: ffffc90001d6f248 R08: 0000000000277c30 R09: 0000000000000001
<4>[  688.253747] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bd0
<4>[  688.253749] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c30003
<4>[  688.253750] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.253752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.253754] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.253755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.253757] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.253758] Call Trace:
<4>[  688.253759]  <TASK>
<4>[  688.253761]  ? show_regs+0x6c/0x80
<4>[  688.253765]  ? __warn+0x93/0x1c0
<4>[  688.253768]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.253772]  ? report_bug+0x182/0x1b0
<4>[  688.253777]  ? handle_bug+0x6e/0xb0
<4>[  688.253779]  ? exc_invalid_op+0x18/0x80
<4>[  688.253782]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.253791]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.253795]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.253798]  ? mark_held_locks+0x46/0x90
<4>[  688.253809]  __iommu_map+0x119/0x2c0
<4>[  688.253818]  iommu_map_sg+0xbf/0x210
<4>[  688.253825]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.253835]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.253840]  dma_map_sgtable+0x1d/0x40
<4>[  688.255571]  ? __lock_acquire+0x442/0x2810
<4>[  688.256129] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.256293] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.256299] RAX: 0000000000000000 RBX: ffff888120b7f190 RCX: 0000000000000000
<4>[  688.256301] RDX: 0000000000000000 RSI: 0000000003e13432 RDI: 0000000000000000
<4>[  688.256302] RBP: ffffc90001d6f248 R08: 0000000000277c31 R09: 0000000000000001
<4>[  688.256304] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bcf
<4>[  688.256305] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c31003
<4>[  688.256307] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.256309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.256310] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.256312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.256313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.256315] Call Trace:
<4>[  688.256316]  <TASK>
<4>[  688.256318]  ? show_regs+0x6c/0x80
<4>[  688.256322]  ? __warn+0x93/0x1c0
<4>[  688.256325]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.256329]  ? report_bug+0x182/0x1b0
<4>[  688.256334]  ? handle_bug+0x6e/0xb0
<4>[  688.256337]  ? exc_invalid_op+0x18/0x80
<4>[  688.256340]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.256349]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.256352]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.256355]  ? mark_held_locks+0x46/0x90
<4>[  688.256366]  __iommu_map+0x119/0x2c0
<4>[  688.256375]  iommu_map_sg+0xbf/0x210
<4>[  688.256382]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.256392]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.256398]  dma_map_sgtable+0x1d/0x40
<4>[  688.258129]  ? lock_release+0xd4/0x2b0
<4>[  688.258686] 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>[  688.258855] RDX: 0000000000000000 RSI: 0000000003e13433 RDI: 0000000000000000
<4>[  688.258857] RBP: ffffc90001d6f248 R08: 0000000000277c32 R09: 0000000000000001
<4>[  688.258858] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bce
<4>[  688.258860] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c32003
<4>[  688.258861] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.258863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.258865] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.258866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.258868] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.258869] Call Trace:
<4>[  688.258870]  <TASK>
<4>[  688.258872]  ? show_regs+0x6c/0x80
<4>[  688.258876]  ? __warn+0x93/0x1c0
<4>[  688.258879]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.258883]  ? report_bug+0x182/0x1b0
<4>[  688.258888]  ? handle_bug+0x6e/0xb0
<4>[  688.258890]  ? exc_invalid_op+0x18/0x80
<4>[  688.258893]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.258902]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.258906]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.258909]  ? mark_held_locks+0x46/0x90
<4>[  688.258920]  __iommu_map+0x119/0x2c0
<4>[  688.258929]  iommu_map_sg+0xbf/0x210
<4>[  688.258936]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.258946]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.258951]  dma_map_sgtable+0x1d/0x40
<4>[  688.261174]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.261245] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.261405] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.261411] RAX: 0000000000000000 RBX: ffff888120b7f1a0 RCX: 0000000000000000
<4>[  688.261413] RDX: 0000000000000000 RSI: 0000000003e13434 RDI: 0000000000000000
<4>[  688.261414] RBP: ffffc90001d6f248 R08: 0000000000277c33 R09: 0000000000000001
<4>[  688.261416] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bcd
<4>[  688.261417] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c33003
<4>[  688.261419] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.261420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.261422] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.261423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.261425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.261426] Call Trace:
<4>[  688.261428]  <TASK>
<4>[  688.261429]  ? show_regs+0x6c/0x80
<4>[  688.261433]  ? __warn+0x93/0x1c0
<4>[  688.261436]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.261440]  ? report_bug+0x182/0x1b0
<4>[  688.261445]  ? handle_bug+0x6e/0xb0
<4>[  688.261448]  ? exc_invalid_op+0x18/0x80
<4>[  688.261451]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.261460]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.261463]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.261466]  ? mark_held_locks+0x46/0x90
<4>[  688.261477]  __iommu_map+0x119/0x2c0
<4>[  688.261486]  iommu_map_sg+0xbf/0x210
<4>[  688.261494]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.261504]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.261509]  dma_map_sgtable+0x1d/0x40
<4>[  688.262289]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.263807] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.263963] 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>[  688.263969] RDX: 0000000000000000 RSI: 0000000003e13435 RDI: 0000000000000000
<4>[  688.263972] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bcc
<4>[  688.263973] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c34003
<4>[  688.263975] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.263977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.263978] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.263980] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.263981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.263982] Call Trace:
<4>[  688.263984]  <TASK>
<4>[  688.263985]  ? show_regs+0x6c/0x80
<4>[  688.263989]  ? __warn+0x93/0x1c0
<4>[  688.263993]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.263996]  ? report_bug+0x182/0x1b0
<4>[  688.264002]  ? handle_bug+0x6e/0xb0
<4>[  688.264004]  ? exc_invalid_op+0x18/0x80
<4>[  688.264007]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.264016]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.264020]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.264023]  ? mark_held_locks+0x46/0x90
<4>[  688.264034]  __iommu_map+0x119/0x2c0
<4>[  688.264043]  iommu_map_sg+0xbf/0x210
<4>[  688.264050]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.264060]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.264992]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.266364] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.266526] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.266532] RAX: 0000000000000000 RBX: ffff888120b7f1b0 RCX: 0000000000000000
<4>[  688.266533] RDX: 0000000000000000 RSI: 0000000003e13436 RDI: 0000000000000000
<4>[  688.266535] RBP: ffffc90001d6f248 R08: 0000000000277c35 R09: 0000000000000001
<4>[  688.266536] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bcb
<4>[  688.266538] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c35003
<4>[  688.266539] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.266541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.266542] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.266544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.266545] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.266547] Call Trace:
<4>[  688.266548]  <TASK>
<4>[  688.266550]  ? show_regs+0x6c/0x80
<4>[  688.266553]  ? __warn+0x93/0x1c0
<4>[  688.266557]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.266561]  ? report_bug+0x182/0x1b0
<4>[  688.266566]  ? handle_bug+0x6e/0xb0
<4>[  688.266568]  ? exc_invalid_op+0x18/0x80
<4>[  688.266571]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.266580]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.266584]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.266587]  ? mark_held_locks+0x46/0x90
<4>[  688.266598]  __iommu_map+0x119/0x2c0
<4>[  688.266607]  iommu_map_sg+0xbf/0x210
<4>[  688.266614]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.266624]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.266630]  dma_map_sgtable+0x1d/0x40
<4>[  688.267409]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.268935] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.269095] 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>[  688.269100] RDX: 0000000000000000 RSI: 0000000003e13437 RDI: 0000000000000000
<4>[  688.269103] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bca
<4>[  688.269105] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c36003
<4>[  688.269106] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.269108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.269110] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.269111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.269112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.269114] Call Trace:
<4>[  688.269115]  <TASK>
<4>[  688.269117]  ? show_regs+0x6c/0x80
<4>[  688.269121]  ? __warn+0x93/0x1c0
<4>[  688.269124]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.269128]  ? report_bug+0x182/0x1b0
<4>[  688.269133]  ? handle_bug+0x6e/0xb0
<4>[  688.269136]  ? exc_invalid_op+0x18/0x80
<4>[  688.269139]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.269148]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.269151]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.269154]  ? mark_held_locks+0x46/0x90
<4>[  688.269165]  __iommu_map+0x119/0x2c0
<4>[  688.269174]  iommu_map_sg+0xbf/0x210
<4>[  688.269182]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.269192]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.270125]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.271494] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.271654] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.271660] RAX: 0000000000000000 RBX: ffff888120b7f1c0 RCX: 0000000000000000
<4>[  688.271661] RDX: 0000000000000000 RSI: 0000000003e13438 RDI: 0000000000000000
<4>[  688.271662] RBP: ffffc90001d6f248 R08: 0000000000277c37 R09: 0000000000000001
<4>[  688.271664] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc9
<4>[  688.271665] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c37003
<4>[  688.271667] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.271669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.271670] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.271672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.271673] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.271675] Call Trace:
<4>[  688.271676]  <TASK>
<4>[  688.271678]  ? show_regs+0x6c/0x80
<4>[  688.271681]  ? __warn+0x93/0x1c0
<4>[  688.271685]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.271689]  ? report_bug+0x182/0x1b0
<4>[  688.271694]  ? handle_bug+0x6e/0xb0
<4>[  688.271696]  ? exc_invalid_op+0x18/0x80
<4>[  688.271699]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.271708]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.271712]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.271715]  ? mark_held_locks+0x46/0x90
<4>[  688.271726]  __iommu_map+0x119/0x2c0
<4>[  688.271735]  iommu_map_sg+0xbf/0x210
<4>[  688.271743]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.271753]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.271758]  dma_map_sgtable+0x1d/0x40
<4>[  688.273469]  ? __kernel_text_address+0x12/0x50
<4>[  688.274046] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.274204] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.274210] RAX: 0000000000000000 RBX: ffff888120b7f1c8 RCX: 0000000000000000
<4>[  688.274212] RDX: 0000000000000000 RSI: 0000000003e13439 RDI: 0000000000000000
<4>[  688.274213] RBP: ffffc90001d6f248 R08: 0000000000277c38 R09: 0000000000000001
<4>[  688.274215] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc8
<4>[  688.274216] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c38003
<4>[  688.274218] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.274220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.274221] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.274228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.274229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.274231] Call Trace:
<4>[  688.274232]  <TASK>
<4>[  688.274234]  ? show_regs+0x6c/0x80
<4>[  688.274237]  ? __warn+0x93/0x1c0
<4>[  688.274240]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.274244]  ? report_bug+0x182/0x1b0
<4>[  688.274249]  ? handle_bug+0x6e/0xb0
<4>[  688.274252]  ? exc_invalid_op+0x18/0x80
<4>[  688.274255]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.274264]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.274267]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.274270]  ? mark_held_locks+0x46/0x90
<4>[  688.274281]  __iommu_map+0x119/0x2c0
<4>[  688.274290]  iommu_map_sg+0xbf/0x210
<4>[  688.274298]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.274308]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.274313]  dma_map_sgtable+0x1d/0x40
<4>[  688.276041]  ? lock_release+0xd4/0x2b0
<4>[  688.276599] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.276757] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.276763] RAX: 0000000000000000 RBX: ffff888120b7f1d0 RCX: 0000000000000000
<4>[  688.276765] RDX: 0000000000000000 RSI: 0000000003e1343a RDI: 0000000000000000
<4>[  688.276766] RBP: ffffc90001d6f248 R08: 0000000000277c39 R09: 0000000000000001
<4>[  688.276768] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc7
<4>[  688.276769] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c39003
<4>[  688.276771] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.276773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.276774] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.276776] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.276777] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.276778] Call Trace:
<4>[  688.276780]  <TASK>
<4>[  688.276781]  ? show_regs+0x6c/0x80
<4>[  688.276785]  ? __warn+0x93/0x1c0
<4>[  688.276788]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.276792]  ? report_bug+0x182/0x1b0
<4>[  688.276797]  ? handle_bug+0x6e/0xb0
<4>[  688.276800]  ? exc_invalid_op+0x18/0x80
<4>[  688.276803]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.276812]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.276815]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.276818]  ? mark_held_locks+0x46/0x90
<4>[  688.276829]  __iommu_map+0x119/0x2c0
<4>[  688.276839]  iommu_map_sg+0xbf/0x210
<4>[  688.276846]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.276856]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.276861]  dma_map_sgtable+0x1d/0x40
<4>[  688.277637]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.279153] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.279314] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.279317] RAX: 0000000000000000 RBX: ffff888120b7f1d8 RCX: 0000000000000000
<4>[  688.279318] RDX: 0000000000000000 RSI: 0000000003e1343b RDI: 0000000000000000
<4>[  688.279320] RBP: ffffc90001d6f248 R08: 0000000000277c3a R09: 0000000000000001
<4>[  688.279321] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc6
<4>[  688.279322] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3a003
<4>[  688.279324] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.279326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.279327] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.279329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.279330] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.279332] Call Trace:
<4>[  688.279333]  <TASK>
<4>[  688.279335]  ? show_regs+0x6c/0x80
<4>[  688.279338]  ? __warn+0x93/0x1c0
<4>[  688.279342]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.279345]  ? report_bug+0x182/0x1b0
<4>[  688.279350]  ? handle_bug+0x6e/0xb0
<4>[  688.279353]  ? exc_invalid_op+0x18/0x80
<4>[  688.279356]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.279365]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.279369]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.279372]  ? mark_held_locks+0x46/0x90
<4>[  688.279383]  __iommu_map+0x119/0x2c0
<4>[  688.279392]  iommu_map_sg+0xbf/0x210
<4>[  688.279399]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.279409]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.279415]  dma_map_sgtable+0x1d/0x40
<4>[  688.281634]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.281700] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.281858] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.281864] RAX: 0000000000000000 RBX: ffff888120b7f1e0 RCX: 0000000000000000
<4>[  688.281865] RDX: 0000000000000000 RSI: 0000000003e1343c RDI: 0000000000000000
<4>[  688.281867] RBP: ffffc90001d6f248 R08: 0000000000277c3b R09: 0000000000000001
<4>[  688.281868] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc5
<4>[  688.281869] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3b003
<4>[  688.281871] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.281873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.281874] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.281876] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.281877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.281879] Call Trace:
<4>[  688.281880]  <TASK>
<4>[  688.281882]  ? show_regs+0x6c/0x80
<4>[  688.281885]  ? __warn+0x93/0x1c0
<4>[  688.281888]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.281892]  ? report_bug+0x182/0x1b0
<4>[  688.281897]  ? handle_bug+0x6e/0xb0
<4>[  688.281900]  ? exc_invalid_op+0x18/0x80
<4>[  688.281903]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.281912]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.281915]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.281918]  ? mark_held_locks+0x46/0x90
<4>[  688.281929]  __iommu_map+0x119/0x2c0
<4>[  688.281938]  iommu_map_sg+0xbf/0x210
<4>[  688.281945]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.281955]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.281961]  dma_map_sgtable+0x1d/0x40
<4>[  688.282887]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.284254] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.284410] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.284416] RAX: 0000000000000000 RBX: ffff888120b7f1e8 RCX: 0000000000000000
<4>[  688.284417] RDX: 0000000000000000 RSI: 0000000003e1343d RDI: 0000000000000000
<4>[  688.284419] RBP: ffffc90001d6f248 R08: 0000000000277c3c R09: 0000000000000001
<4>[  688.284420] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc4
<4>[  688.284422] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3c003
<4>[  688.284423] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.284425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.284426] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.284428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.284429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.284431] Call Trace:
<4>[  688.284432]  <TASK>
<4>[  688.284434]  ? show_regs+0x6c/0x80
<4>[  688.284437]  ? __warn+0x93/0x1c0
<4>[  688.284441]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.284444]  ? report_bug+0x182/0x1b0
<4>[  688.284450]  ? handle_bug+0x6e/0xb0
<4>[  688.284452]  ? exc_invalid_op+0x18/0x80
<4>[  688.284455]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.284464]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.284468]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.284471]  ? mark_held_locks+0x46/0x90
<4>[  688.284482]  __iommu_map+0x119/0x2c0
<4>[  688.284491]  iommu_map_sg+0xbf/0x210
<4>[  688.284498]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.284508]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.284513]  dma_map_sgtable+0x1d/0x40
<4>[  688.285439]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.286801] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.286958] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.286964] RAX: 0000000000000000 RBX: ffff888120b7f1f0 RCX: 0000000000000000
<4>[  688.286966] RDX: 0000000000000000 RSI: 0000000003e1343e RDI: 0000000000000000
<4>[  688.286967] RBP: ffffc90001d6f248 R08: 0000000000277c3d R09: 0000000000000001
<4>[  688.286968] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc3
<4>[  688.286970] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3d003
<4>[  688.286971] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.286973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.286975] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.286976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.286978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.286979] Call Trace:
<4>[  688.286980]  <TASK>
<4>[  688.286982]  ? show_regs+0x6c/0x80
<4>[  688.286986]  ? __warn+0x93/0x1c0
<4>[  688.286989]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.286993]  ? report_bug+0x182/0x1b0
<4>[  688.286998]  ? handle_bug+0x6e/0xb0
<4>[  688.287000]  ? exc_invalid_op+0x18/0x80
<4>[  688.287003]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.287012]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.287016]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.287019]  ? mark_held_locks+0x46/0x90
<4>[  688.287030]  __iommu_map+0x119/0x2c0
<4>[  688.287039]  iommu_map_sg+0xbf/0x210
<4>[  688.287046]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.287056]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.287062]  dma_map_sgtable+0x1d/0x40
<4>[  688.289287]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.289353] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.289512] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.289518] RAX: 0000000000000000 RBX: ffff888120b7f1f8 RCX: 0000000000000000
<4>[  688.289519] RDX: 0000000000000000 RSI: 0000000003e1343f RDI: 0000000000000000
<4>[  688.289520] RBP: ffffc90001d6f248 R08: 0000000000277c3e R09: 0000000000000001
<4>[  688.289522] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc2
<4>[  688.289523] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3e003
<4>[  688.289525] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.289527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.289528] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.289530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.289531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.289533] Call Trace:
<4>[  688.289534]  <TASK>
<4>[  688.289536]  ? show_regs+0x6c/0x80
<4>[  688.289539]  ? __warn+0x93/0x1c0
<4>[  688.289542]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.289546]  ? report_bug+0x182/0x1b0
<4>[  688.289551]  ? handle_bug+0x6e/0xb0
<4>[  688.289554]  ? exc_invalid_op+0x18/0x80
<4>[  688.289557]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.289566]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.289569]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.289572]  ? mark_held_locks+0x46/0x90
<4>[  688.289583]  __iommu_map+0x119/0x2c0
<4>[  688.289592]  iommu_map_sg+0xbf/0x210
<4>[  688.289599]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.289609]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.289615]  dma_map_sgtable+0x1d/0x40
<4>[  688.291343]  ? __lock_acquire+0x442/0x2810
<4>[  688.291901] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.292058] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.292064] RAX: 0000000000000000 RBX: ffff888120b7f200 RCX: 0000000000000000
<4>[  688.292066] RDX: 0000000000000000 RSI: 0000000003e13440 RDI: 0000000000000000
<4>[  688.292067] RBP: ffffc90001d6f248 R08: 0000000000277c3f R09: 0000000000000001
<4>[  688.292069] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc1
<4>[  688.292070] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c3f003
<4>[  688.292072] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.292073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.292075] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.292077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.292078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.292079] Call Trace:
<4>[  688.292081]  <TASK>
<4>[  688.292082]  ? show_regs+0x6c/0x80
<4>[  688.292086]  ? __warn+0x93/0x1c0
<4>[  688.292089]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.292093]  ? report_bug+0x182/0x1b0
<4>[  688.292098]  ? handle_bug+0x6e/0xb0
<4>[  688.292101]  ? exc_invalid_op+0x18/0x80
<4>[  688.292103]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.292113]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.292116]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.292119]  ? mark_held_locks+0x46/0x90
<4>[  688.292130]  __iommu_map+0x119/0x2c0
<4>[  688.292139]  iommu_map_sg+0xbf/0x210
<4>[  688.292146]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.292156]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.292162]  dma_map_sgtable+0x1d/0x40
<4>[  688.293910]  ? __might_fault+0x53/0xb0
<4>[  688.294454] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.294612] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.294618] RAX: 0000000000000000 RBX: ffff888120b7f208 RCX: 0000000000000000
<4>[  688.294619] RDX: 0000000000000000 RSI: 0000000003e13441 RDI: 0000000000000000
<4>[  688.294621] RBP: ffffc90001d6f248 R08: 0000000000277c40 R09: 0000000000000001
<4>[  688.294622] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bc0
<4>[  688.294624] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c40003
<4>[  688.294625] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.294627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.294629] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.294630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.294632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.294633] Call Trace:
<4>[  688.294634]  <TASK>
<4>[  688.294636]  ? show_regs+0x6c/0x80
<4>[  688.294639]  ? __warn+0x93/0x1c0
<4>[  688.294643]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.294647]  ? report_bug+0x182/0x1b0
<4>[  688.294652]  ? handle_bug+0x6e/0xb0
<4>[  688.294654]  ? exc_invalid_op+0x18/0x80
<4>[  688.294657]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.294666]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.294670]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.294673]  ? mark_held_locks+0x46/0x90
<4>[  688.294684]  __iommu_map+0x119/0x2c0
<4>[  688.294693]  iommu_map_sg+0xbf/0x210
<4>[  688.294700]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.294710]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.294715]  dma_map_sgtable+0x1d/0x40
<4>[  688.295182]  ? lock_acquire+0xc9/0x300
<4>[  688.296991]  ? clear_bhb_loop+0x15/0x70
<4>[  688.297011] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.297165] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.297167] RAX: 0000000000000000 RBX: ffff888120b7f210 RCX: 0000000000000000
<4>[  688.297168] RDX: 0000000000000000 RSI: 0000000003e13442 RDI: 0000000000000000
<4>[  688.297170] RBP: ffffc90001d6f248 R08: 0000000000277c41 R09: 0000000000000001
<4>[  688.297171] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bbf
<4>[  688.297173] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c41003
<4>[  688.297174] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.297176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.297178] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.297179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.297181] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.297182] Call Trace:
<4>[  688.297183]  <TASK>
<4>[  688.297185]  ? show_regs+0x6c/0x80
<4>[  688.297189]  ? __warn+0x93/0x1c0
<4>[  688.297192]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.297196]  ? report_bug+0x182/0x1b0
<4>[  688.297201]  ? handle_bug+0x6e/0xb0
<4>[  688.297203]  ? exc_invalid_op+0x18/0x80
<4>[  688.297206]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.297215]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.297218]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.297227]  ? mark_held_locks+0x46/0x90
<4>[  688.297238]  __iommu_map+0x119/0x2c0
<4>[  688.297247]  iommu_map_sg+0xbf/0x210
<4>[  688.297254]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.297264]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.297269]  dma_map_sgtable+0x1d/0x40
<4>[  688.299493]  x64_sys_call+0x131e/0x2650
<4>[  688.299556] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.299710] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.299716] RAX: 0000000000000000 RBX: ffff888120b7f218 RCX: 0000000000000000
<4>[  688.299718] RDX: 0000000000000000 RSI: 0000000003e13443 RDI: 0000000000000000
<4>[  688.299719] RBP: ffffc90001d6f248 R08: 0000000000277c42 R09: 0000000000000001
<4>[  688.299721] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bbe
<4>[  688.299722] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c42003
<4>[  688.299724] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.299725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.299727] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.299729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.299730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.299731] Call Trace:
<4>[  688.299733]  <TASK>
<4>[  688.299734]  ? show_regs+0x6c/0x80
<4>[  688.299738]  ? __warn+0x93/0x1c0
<4>[  688.299741]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.299745]  ? report_bug+0x182/0x1b0
<4>[  688.299750]  ? handle_bug+0x6e/0xb0
<4>[  688.299753]  ? exc_invalid_op+0x18/0x80
<4>[  688.299756]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.299765]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.299768]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.299771]  ? mark_held_locks+0x46/0x90
<4>[  688.299782]  __iommu_map+0x119/0x2c0
<4>[  688.299791]  iommu_map_sg+0xbf/0x210
<4>[  688.299798]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.299808]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.299814]  dma_map_sgtable+0x1d/0x40
<4>[  688.301541]  ? __lock_acquire+0x442/0x2810
<4>[  688.302098] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.302260] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.302266] RAX: 0000000000000000 RBX: ffff888120b7f220 RCX: 0000000000000000
<4>[  688.302268] RDX: 0000000000000000 RSI: 0000000003e13444 RDI: 0000000000000000
<4>[  688.302269] RBP: ffffc90001d6f248 R08: 0000000000277c43 R09: 0000000000000001
<4>[  688.302271] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bbd
<4>[  688.302272] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c43003
<4>[  688.302274] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.302275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.302277] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.302279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.302280] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.302281] Call Trace:
<4>[  688.302283]  <TASK>
<4>[  688.302285]  ? show_regs+0x6c/0x80
<4>[  688.302288]  ? __warn+0x93/0x1c0
<4>[  688.302291]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.302295]  ? report_bug+0x182/0x1b0
<4>[  688.302300]  ? handle_bug+0x6e/0xb0
<4>[  688.302303]  ? exc_invalid_op+0x18/0x80
<4>[  688.302306]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.302315]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.302319]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.302322]  ? mark_held_locks+0x46/0x90
<4>[  688.302333]  __iommu_map+0x119/0x2c0
<4>[  688.302342]  iommu_map_sg+0xbf/0x210
<4>[  688.302349]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.302359]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.302364]  dma_map_sgtable+0x1d/0x40
<4>[  688.302986]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.304654] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.304807] 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>[  688.304813] RDX: 0000000000000000 RSI: 0000000003e13445 RDI: 0000000000000000
<4>[  688.304816] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bbc
<4>[  688.304817] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c44003
<4>[  688.304819] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.304820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.304822] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.304823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.304825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.304826] Call Trace:
<4>[  688.304827]  <TASK>
<4>[  688.304829]  ? show_regs+0x6c/0x80
<4>[  688.304833]  ? __warn+0x93/0x1c0
<4>[  688.304836]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.304840]  ? report_bug+0x182/0x1b0
<4>[  688.304845]  ? handle_bug+0x6e/0xb0
<4>[  688.304847]  ? exc_invalid_op+0x18/0x80
<4>[  688.304850]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.304859]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.304863]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.304866]  ? mark_held_locks+0x46/0x90
<4>[  688.304877]  __iommu_map+0x119/0x2c0
<4>[  688.304886]  iommu_map_sg+0xbf/0x210
<4>[  688.304893]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.304903]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.305536]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  688.307199] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.307360] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.307363] RAX: 0000000000000000 RBX: ffff888120b7f230 RCX: 0000000000000000
<4>[  688.307364] RDX: 0000000000000000 RSI: 0000000003e13446 RDI: 0000000000000000
<4>[  688.307366] RBP: ffffc90001d6f248 R08: 0000000000277c45 R09: 0000000000000001
<4>[  688.307367] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bbb
<4>[  688.307369] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c45003
<4>[  688.307370] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.307372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.307374] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.307375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.307377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.307378] Call Trace:
<4>[  688.307380]  <TASK>
<4>[  688.307381]  ? show_regs+0x6c/0x80
<4>[  688.307385]  ? __warn+0x93/0x1c0
<4>[  688.307388]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.307392]  ? report_bug+0x182/0x1b0
<4>[  688.307397]  ? handle_bug+0x6e/0xb0
<4>[  688.307400]  ? exc_invalid_op+0x18/0x80
<4>[  688.307403]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.307412]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.307416]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.307419]  ? mark_held_locks+0x46/0x90
<4>[  688.307430]  __iommu_map+0x119/0x2c0
<4>[  688.307439]  iommu_map_sg+0xbf/0x210
<4>[  688.307446]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.307456]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.307462]  dma_map_sgtable+0x1d/0x40
<4>[  688.309201]  ? __might_fault+0x53/0xb0
<4>[  688.309746] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.309904] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.309910] RAX: 0000000000000000 RBX: ffff888120b7f238 RCX: 0000000000000000
<4>[  688.309912] RDX: 0000000000000000 RSI: 0000000003e13447 RDI: 0000000000000000
<4>[  688.309913] RBP: ffffc90001d6f248 R08: 0000000000277c46 R09: 0000000000000001
<4>[  688.309915] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bba
<4>[  688.309916] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c46003
<4>[  688.309918] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.309919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.309921] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.309923] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.309924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.309925] Call Trace:
<4>[  688.309927]  <TASK>
<4>[  688.309928]  ? show_regs+0x6c/0x80
<4>[  688.309932]  ? __warn+0x93/0x1c0
<4>[  688.309935]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.309939]  ? report_bug+0x182/0x1b0
<4>[  688.309944]  ? handle_bug+0x6e/0xb0
<4>[  688.309947]  ? exc_invalid_op+0x18/0x80
<4>[  688.309950]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.309959]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.309962]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.309965]  ? mark_held_locks+0x46/0x90
<4>[  688.309976]  __iommu_map+0x119/0x2c0
<4>[  688.309986]  iommu_map_sg+0xbf/0x210
<4>[  688.309993]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.310003]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.310008]  dma_map_sgtable+0x1d/0x40
<4>[  688.311742]  ? lock_release+0xd4/0x2b0
<4>[  688.312300] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.312459] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.312465] RAX: 0000000000000000 RBX: ffff888120b7f240 RCX: 0000000000000000
<4>[  688.312466] RDX: 0000000000000000 RSI: 0000000003e13448 RDI: 0000000000000000
<4>[  688.312468] RBP: ffffc90001d6f248 R08: 0000000000277c47 R09: 0000000000000001
<4>[  688.312469] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb9
<4>[  688.312471] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c47003
<4>[  688.312472] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.312474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.312475] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.312477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.312478] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.312480] Call Trace:
<4>[  688.312481]  <TASK>
<4>[  688.312483]  ? show_regs+0x6c/0x80
<4>[  688.312486]  ? __warn+0x93/0x1c0
<4>[  688.312490]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.312494]  ? report_bug+0x182/0x1b0
<4>[  688.312499]  ? handle_bug+0x6e/0xb0
<4>[  688.312501]  ? exc_invalid_op+0x18/0x80
<4>[  688.312504]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.312513]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.312517]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.312520]  ? mark_held_locks+0x46/0x90
<4>[  688.312531]  __iommu_map+0x119/0x2c0
<4>[  688.312540]  iommu_map_sg+0xbf/0x210
<4>[  688.312547]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.312557]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.312563]  dma_map_sgtable+0x1d/0x40
<4>[  688.313030]  ? lock_acquire+0xc9/0x300
<4>[  688.314839]  ? clear_bhb_loop+0x15/0x70
<4>[  688.314859] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.315014] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.315016] RAX: 0000000000000000 RBX: ffff888120b7f248 RCX: 0000000000000000
<4>[  688.315018] RDX: 0000000000000000 RSI: 0000000003e13449 RDI: 0000000000000000
<4>[  688.315019] RBP: ffffc90001d6f248 R08: 0000000000277c48 R09: 0000000000000001
<4>[  688.315020] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb8
<4>[  688.315022] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c48003
<4>[  688.315024] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.315025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.315027] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.315028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.315030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.315031] Call Trace:
<4>[  688.315032]  <TASK>
<4>[  688.315034]  ? show_regs+0x6c/0x80
<4>[  688.315038]  ? __warn+0x93/0x1c0
<4>[  688.315041]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.315045]  ? report_bug+0x182/0x1b0
<4>[  688.315050]  ? handle_bug+0x6e/0xb0
<4>[  688.315053]  ? exc_invalid_op+0x18/0x80
<4>[  688.315056]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.315065]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.315068]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.315071]  ? mark_held_locks+0x46/0x90
<4>[  688.315082]  __iommu_map+0x119/0x2c0
<4>[  688.315091]  iommu_map_sg+0xbf/0x210
<4>[  688.315099]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.315108]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.315114]  dma_map_sgtable+0x1d/0x40
<4>[  688.317338]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.317410] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.317564] 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>[  688.317570] RDX: 0000000000000000 RSI: 0000000003e1344a RDI: 0000000000000000
<4>[  688.317573] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb7
<4>[  688.317574] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c49003
<4>[  688.317576] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.317577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.317579] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.317580] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.317582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.317583] Call Trace:
<4>[  688.317585]  <TASK>
<4>[  688.317586]  ? show_regs+0x6c/0x80
<4>[  688.317590]  ? __warn+0x93/0x1c0
<4>[  688.317593]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.317597]  ? report_bug+0x182/0x1b0
<4>[  688.317602]  ? handle_bug+0x6e/0xb0
<4>[  688.317605]  ? exc_invalid_op+0x18/0x80
<4>[  688.317608]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.317617]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.317620]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.317623]  ? mark_held_locks+0x46/0x90
<4>[  688.317634]  __iommu_map+0x119/0x2c0
<4>[  688.317643]  iommu_map_sg+0xbf/0x210
<4>[  688.317650]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.317660]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.318441]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.319956] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.320110] 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>[  688.320115] RDX: 0000000000000000 RSI: 0000000003e1344b RDI: 0000000000000000
<4>[  688.320118] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb6
<4>[  688.320119] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4a003
<4>[  688.320121] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.320123] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.320124] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.320126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.320127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.320129] Call Trace:
<4>[  688.320130]  <TASK>
<4>[  688.320132]  ? show_regs+0x6c/0x80
<4>[  688.320135]  ? __warn+0x93/0x1c0
<4>[  688.320138]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.320142]  ? report_bug+0x182/0x1b0
<4>[  688.320147]  ? handle_bug+0x6e/0xb0
<4>[  688.320150]  ? exc_invalid_op+0x18/0x80
<4>[  688.320153]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.320162]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.320165]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.320168]  ? mark_held_locks+0x46/0x90
<4>[  688.320179]  __iommu_map+0x119/0x2c0
<4>[  688.320188]  iommu_map_sg+0xbf/0x210
<4>[  688.320195]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.320205]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.320686]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.322503] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.322660] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.322666] RAX: 0000000000000000 RBX: ffff888120b7f260 RCX: 0000000000000000
<4>[  688.322668] RDX: 0000000000000000 RSI: 0000000003e1344c RDI: 0000000000000000
<4>[  688.322669] RBP: ffffc90001d6f248 R08: 0000000000277c4b R09: 0000000000000001
<4>[  688.322670] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb5
<4>[  688.322672] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4b003
<4>[  688.322673] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.322675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.322677] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.322678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.322680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.322681] Call Trace:
<4>[  688.322682]  <TASK>
<4>[  688.322684]  ? show_regs+0x6c/0x80
<4>[  688.322688]  ? __warn+0x93/0x1c0
<4>[  688.322691]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.322695]  ? report_bug+0x182/0x1b0
<4>[  688.322700]  ? handle_bug+0x6e/0xb0
<4>[  688.322702]  ? exc_invalid_op+0x18/0x80
<4>[  688.322705]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.322714]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.322718]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.322721]  ? mark_held_locks+0x46/0x90
<4>[  688.322732]  __iommu_map+0x119/0x2c0
<4>[  688.322741]  iommu_map_sg+0xbf/0x210
<4>[  688.322748]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.322758]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.322763]  dma_map_sgtable+0x1d/0x40
<4>[  688.324668]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  688.325073] hardirqs last disabled at (234054718): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.325211] RAX: 0000000000000000 RBX: ffff888120b7f268 RCX: 0000000000000000
<4>[  688.325212] RDX: 0000000000000000 RSI: 0000000003e1344d RDI: 0000000000000000
<4>[  688.325214] RBP: ffffc90001d6f248 R08: 0000000000277c4c R09: 0000000000000001
<4>[  688.325215] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb4
<4>[  688.325216] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4c003
<4>[  688.325218] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.325220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.325226] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.325228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.325229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.325231] Call Trace:
<4>[  688.325232]  <TASK>
<4>[  688.325233]  ? show_regs+0x6c/0x80
<4>[  688.325237]  ? __warn+0x93/0x1c0
<4>[  688.325240]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.325244]  ? report_bug+0x182/0x1b0
<4>[  688.325249]  ? handle_bug+0x6e/0xb0
<4>[  688.325252]  ? exc_invalid_op+0x18/0x80
<4>[  688.325255]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.325264]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.325267]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.325270]  ? mark_held_locks+0x46/0x90
<4>[  688.325282]  __iommu_map+0x119/0x2c0
<4>[  688.325291]  iommu_map_sg+0xbf/0x210
<4>[  688.325298]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.325308]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.325313]  dma_map_sgtable+0x1d/0x40
<4>[  688.325779]  ? lock_acquire+0xc9/0x300
<4>[  688.327587]  ? clear_bhb_loop+0x15/0x70
<4>[  688.327607] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.327759] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.327762] RAX: 0000000000000000 RBX: ffff888120b7f270 RCX: 0000000000000000
<4>[  688.327763] RDX: 0000000000000000 RSI: 0000000003e1344e RDI: 0000000000000000
<4>[  688.327765] RBP: ffffc90001d6f248 R08: 0000000000277c4d R09: 0000000000000001
<4>[  688.327766] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb3
<4>[  688.327767] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4d003
<4>[  688.327769] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.327771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.327772] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.327774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.327775] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.327777] Call Trace:
<4>[  688.327778]  <TASK>
<4>[  688.327780]  ? show_regs+0x6c/0x80
<4>[  688.327783]  ? __warn+0x93/0x1c0
<4>[  688.327786]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.327790]  ? report_bug+0x182/0x1b0
<4>[  688.327795]  ? handle_bug+0x6e/0xb0
<4>[  688.327798]  ? exc_invalid_op+0x18/0x80
<4>[  688.327801]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.327810]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.327813]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.327816]  ? mark_held_locks+0x46/0x90
<4>[  688.327828]  __iommu_map+0x119/0x2c0
<4>[  688.327837]  iommu_map_sg+0xbf/0x210
<4>[  688.327844]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.327854]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.328015]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.330145] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.330309] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.330315] RAX: 0000000000000000 RBX: ffff888120b7f278 RCX: 0000000000000000
<4>[  688.330316] RDX: 0000000000000000 RSI: 0000000003e1344f RDI: 0000000000000000
<4>[  688.330318] RBP: ffffc90001d6f248 R08: 0000000000277c4e R09: 0000000000000001
<4>[  688.330319] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb2
<4>[  688.330321] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4e003
<4>[  688.330322] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.330324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.330325] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.330327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.330328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.330330] Call Trace:
<4>[  688.330331]  <TASK>
<4>[  688.330333]  ? show_regs+0x6c/0x80
<4>[  688.330336]  ? __warn+0x93/0x1c0
<4>[  688.330339]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.330343]  ? report_bug+0x182/0x1b0
<4>[  688.330348]  ? handle_bug+0x6e/0xb0
<4>[  688.330351]  ? exc_invalid_op+0x18/0x80
<4>[  688.330354]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.330363]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.330367]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.330370]  ? mark_held_locks+0x46/0x90
<4>[  688.330381]  __iommu_map+0x119/0x2c0
<4>[  688.330390]  iommu_map_sg+0xbf/0x210
<4>[  688.330397]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.330407]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.330413]  dma_map_sgtable+0x1d/0x40
<4>[  688.331184]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.332703] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.332856] 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>[  688.332862] RDX: 0000000000000000 RSI: 0000000003e13450 RDI: 0000000000000000
<4>[  688.332865] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb1
<4>[  688.332866] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c4f003
<4>[  688.332868] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.332869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.332871] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.332872] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.332874] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.332875] Call Trace:
<4>[  688.332877]  <TASK>
<4>[  688.332878]  ? show_regs+0x6c/0x80
<4>[  688.332882]  ? __warn+0x93/0x1c0
<4>[  688.332885]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.332889]  ? report_bug+0x182/0x1b0
<4>[  688.332894]  ? handle_bug+0x6e/0xb0
<4>[  688.332897]  ? exc_invalid_op+0x18/0x80
<4>[  688.332900]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.332909]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.332912]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.332915]  ? mark_held_locks+0x46/0x90
<4>[  688.332926]  __iommu_map+0x119/0x2c0
<4>[  688.332935]  iommu_map_sg+0xbf/0x210
<4>[  688.332943]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.332953]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.333884]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.335249] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.335407] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.335413] RAX: 0000000000000000 RBX: ffff888120b7f288 RCX: 0000000000000000
<4>[  688.335414] RDX: 0000000000000000 RSI: 0000000003e13451 RDI: 0000000000000000
<4>[  688.335416] RBP: ffffc90001d6f248 R08: 0000000000277c50 R09: 0000000000000001
<4>[  688.335417] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bb0
<4>[  688.335419] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c50003
<4>[  688.335420] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.335422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.335424] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.335425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.335427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.335428] Call Trace:
<4>[  688.335429]  <TASK>
<4>[  688.335431]  ? show_regs+0x6c/0x80
<4>[  688.335434]  ? __warn+0x93/0x1c0
<4>[  688.335438]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.335441]  ? report_bug+0x182/0x1b0
<4>[  688.335447]  ? handle_bug+0x6e/0xb0
<4>[  688.335449]  ? exc_invalid_op+0x18/0x80
<4>[  688.335452]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.335461]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.335465]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.335468]  ? mark_held_locks+0x46/0x90
<4>[  688.335479]  __iommu_map+0x119/0x2c0
<4>[  688.335488]  iommu_map_sg+0xbf/0x210
<4>[  688.335495]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.335505]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.335510]  dma_map_sgtable+0x1d/0x40
<4>[  688.336286]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.337802] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.337954] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.337960] RAX: 0000000000000000 RBX: ffff888120b7f290 RCX: 0000000000000000
<4>[  688.337962] RDX: 0000000000000000 RSI: 0000000003e13452 RDI: 0000000000000000
<4>[  688.337963] RBP: ffffc90001d6f248 R08: 0000000000277c51 R09: 0000000000000001
<4>[  688.337964] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9baf
<4>[  688.337966] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c51003
<4>[  688.337967] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.337969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.337971] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.337972] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.337974] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.337975] Call Trace:
<4>[  688.337976]  <TASK>
<4>[  688.337978]  ? show_regs+0x6c/0x80
<4>[  688.337982]  ? __warn+0x93/0x1c0
<4>[  688.337985]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.337989]  ? report_bug+0x182/0x1b0
<4>[  688.337994]  ? handle_bug+0x6e/0xb0
<4>[  688.337996]  ? exc_invalid_op+0x18/0x80
<4>[  688.337999]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.338008]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.338012]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.338015]  ? mark_held_locks+0x46/0x90
<4>[  688.338026]  __iommu_map+0x119/0x2c0
<4>[  688.338035]  iommu_map_sg+0xbf/0x210
<4>[  688.338042]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.338052]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.338058]  dma_map_sgtable+0x1d/0x40
<4>[  688.339803]  ? __might_fault+0x53/0xb0
<4>[  688.340348] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.340506] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.340512] RAX: 0000000000000000 RBX: ffff888120b7f298 RCX: 0000000000000000
<4>[  688.340514] RDX: 0000000000000000 RSI: 0000000003e13453 RDI: 0000000000000000
<4>[  688.340515] RBP: ffffc90001d6f248 R08: 0000000000277c52 R09: 0000000000000001
<4>[  688.340517] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bae
<4>[  688.340518] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c52003
<4>[  688.340520] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.340521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.340523] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.340524] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.340526] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.340527] Call Trace:
<4>[  688.340529]  <TASK>
<4>[  688.340530]  ? show_regs+0x6c/0x80
<4>[  688.340534]  ? __warn+0x93/0x1c0
<4>[  688.340537]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.340541]  ? report_bug+0x182/0x1b0
<4>[  688.340546]  ? handle_bug+0x6e/0xb0
<4>[  688.340548]  ? exc_invalid_op+0x18/0x80
<4>[  688.340551]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.340560]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.340564]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.340567]  ? mark_held_locks+0x46/0x90
<4>[  688.340578]  __iommu_map+0x119/0x2c0
<4>[  688.340587]  iommu_map_sg+0xbf/0x210
<4>[  688.340594]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.340604]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.340609]  dma_map_sgtable+0x1d/0x40
<4>[  688.342318]  ? __kernel_text_address+0x12/0x50
<4>[  688.342894] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.343052] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.343058] RAX: 0000000000000000 RBX: ffff888120b7f2a0 RCX: 0000000000000000
<4>[  688.343060] RDX: 0000000000000000 RSI: 0000000003e13454 RDI: 0000000000000000
<4>[  688.343061] RBP: ffffc90001d6f248 R08: 0000000000277c53 R09: 0000000000000001
<4>[  688.343062] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bad
<4>[  688.343064] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c53003
<4>[  688.343065] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.343067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.343069] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.343070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.343072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.343073] Call Trace:
<4>[  688.343074]  <TASK>
<4>[  688.343076]  ? show_regs+0x6c/0x80
<4>[  688.343080]  ? __warn+0x93/0x1c0
<4>[  688.343083]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.343087]  ? report_bug+0x182/0x1b0
<4>[  688.343092]  ? handle_bug+0x6e/0xb0
<4>[  688.343094]  ? exc_invalid_op+0x18/0x80
<4>[  688.343097]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.343107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.343110]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.343113]  ? mark_held_locks+0x46/0x90
<4>[  688.343124]  __iommu_map+0x119/0x2c0
<4>[  688.343133]  iommu_map_sg+0xbf/0x210
<4>[  688.343140]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.343150]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.343156]  dma_map_sgtable+0x1d/0x40
<4>[  688.345382]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.345447] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.345606] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.345612] RAX: 0000000000000000 RBX: ffff888120b7f2a8 RCX: 0000000000000000
<4>[  688.345613] RDX: 0000000000000000 RSI: 0000000003e13455 RDI: 0000000000000000
<4>[  688.345615] RBP: ffffc90001d6f248 R08: 0000000000277c54 R09: 0000000000000001
<4>[  688.345616] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bac
<4>[  688.345617] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c54003
<4>[  688.345619] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.345621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.345622] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.345624] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.345625] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.345627] Call Trace:
<4>[  688.345628]  <TASK>
<4>[  688.345630]  ? show_regs+0x6c/0x80
<4>[  688.345633]  ? __warn+0x93/0x1c0
<4>[  688.345636]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.345640]  ? report_bug+0x182/0x1b0
<4>[  688.345645]  ? handle_bug+0x6e/0xb0
<4>[  688.345648]  ? exc_invalid_op+0x18/0x80
<4>[  688.345651]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.345660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.345663]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.345666]  ? mark_held_locks+0x46/0x90
<4>[  688.345677]  __iommu_map+0x119/0x2c0
<4>[  688.345687]  iommu_map_sg+0xbf/0x210
<4>[  688.345694]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.345704]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.345709]  dma_map_sgtable+0x1d/0x40
<4>[  688.347421]  ? __kernel_text_address+0x12/0x50
<4>[  688.347997] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.348155] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.348161] RAX: 0000000000000000 RBX: ffff888120b7f2b0 RCX: 0000000000000000
<4>[  688.348162] RDX: 0000000000000000 RSI: 0000000003e13456 RDI: 0000000000000000
<4>[  688.348163] RBP: ffffc90001d6f248 R08: 0000000000277c55 R09: 0000000000000001
<4>[  688.348165] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9bab
<4>[  688.348166] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c55003
<4>[  688.348168] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.348170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.348171] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.348173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.348174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.348176] Call Trace:
<4>[  688.348177]  <TASK>
<4>[  688.348179]  ? show_regs+0x6c/0x80
<4>[  688.348182]  ? __warn+0x93/0x1c0
<4>[  688.348185]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.348189]  ? report_bug+0x182/0x1b0
<4>[  688.348194]  ? handle_bug+0x6e/0xb0
<4>[  688.348197]  ? exc_invalid_op+0x18/0x80
<4>[  688.348200]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.348209]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.348212]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.348215]  ? mark_held_locks+0x46/0x90
<4>[  688.348232]  __iommu_map+0x119/0x2c0
<4>[  688.348242]  iommu_map_sg+0xbf/0x210
<4>[  688.348249]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.348259]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.348264]  dma_map_sgtable+0x1d/0x40
<4>[  688.349184]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  688.350549] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.350707] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.350713] RAX: 0000000000000000 RBX: ffff888120b7f2b8 RCX: 0000000000000000
<4>[  688.350714] RDX: 0000000000000000 RSI: 0000000003e13457 RDI: 0000000000000000
<4>[  688.350716] RBP: ffffc90001d6f248 R08: 0000000000277c56 R09: 0000000000000001
<4>[  688.350717] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9baa
<4>[  688.350719] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c56003
<4>[  688.350720] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.350722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.350723] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.350725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.350726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.350728] Call Trace:
<4>[  688.350729]  <TASK>
<4>[  688.350731]  ? show_regs+0x6c/0x80
<4>[  688.350734]  ? __warn+0x93/0x1c0
<4>[  688.350737]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.350741]  ? report_bug+0x182/0x1b0
<4>[  688.350746]  ? handle_bug+0x6e/0xb0
<4>[  688.350749]  ? exc_invalid_op+0x18/0x80
<4>[  688.350752]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.350761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.350764]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.350767]  ? mark_held_locks+0x46/0x90
<4>[  688.350778]  __iommu_map+0x119/0x2c0
<4>[  688.350787]  iommu_map_sg+0xbf/0x210
<4>[  688.350794]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.350804]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.350810]  dma_map_sgtable+0x1d/0x40
<4>[  688.352544]  ? lock_release+0xd4/0x2b0
<4>[  688.353097] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.353260] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.353266] RAX: 0000000000000000 RBX: ffff888120b7f2c0 RCX: 0000000000000000
<4>[  688.353267] RDX: 0000000000000000 RSI: 0000000003e13458 RDI: 0000000000000000
<4>[  688.353269] RBP: ffffc90001d6f248 R08: 0000000000277c57 R09: 0000000000000001
<4>[  688.353270] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba9
<4>[  688.353272] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c57003
<4>[  688.353274] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.353275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.353277] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.353279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.353280] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.353282] Call Trace:
<4>[  688.353283]  <TASK>
<4>[  688.353285]  ? show_regs+0x6c/0x80
<4>[  688.353288]  ? __warn+0x93/0x1c0
<4>[  688.353292]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.353295]  ? report_bug+0x182/0x1b0
<4>[  688.353301]  ? handle_bug+0x6e/0xb0
<4>[  688.353303]  ? exc_invalid_op+0x18/0x80
<4>[  688.353306]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.353315]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.353319]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.353322]  ? mark_held_locks+0x46/0x90
<4>[  688.353333]  __iommu_map+0x119/0x2c0
<4>[  688.353342]  iommu_map_sg+0xbf/0x210
<4>[  688.353349]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.353359]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.353365]  dma_map_sgtable+0x1d/0x40
<4>[  688.353677]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.355651] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.355808] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.355814] RAX: 0000000000000000 RBX: ffff888120b7f2c8 RCX: 0000000000000000
<4>[  688.355816] RDX: 0000000000000000 RSI: 0000000003e13459 RDI: 0000000000000000
<4>[  688.355817] RBP: ffffc90001d6f248 R08: 0000000000277c58 R09: 0000000000000001
<4>[  688.355819] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba8
<4>[  688.355820] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c58003
<4>[  688.355822] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.355823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.355825] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.355826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.355828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.355829] Call Trace:
<4>[  688.355831]  <TASK>
<4>[  688.355832]  ? show_regs+0x6c/0x80
<4>[  688.355836]  ? __warn+0x93/0x1c0
<4>[  688.355839]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.355843]  ? report_bug+0x182/0x1b0
<4>[  688.355848]  ? handle_bug+0x6e/0xb0
<4>[  688.355851]  ? exc_invalid_op+0x18/0x80
<4>[  688.355854]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.355863]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.355866]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.355869]  ? mark_held_locks+0x46/0x90
<4>[  688.355880]  __iommu_map+0x119/0x2c0
<4>[  688.355889]  iommu_map_sg+0xbf/0x210
<4>[  688.355896]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.355906]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.355912]  dma_map_sgtable+0x1d/0x40
<4>[  688.356383]  ? lock_acquire+0xc9/0x300
<4>[  688.358186]  ? clear_bhb_loop+0x15/0x70
<4>[  688.358206] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.358364] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.358367] RAX: 0000000000000000 RBX: ffff888120b7f2d0 RCX: 0000000000000000
<4>[  688.358368] RDX: 0000000000000000 RSI: 0000000003e1345a RDI: 0000000000000000
<4>[  688.358370] RBP: ffffc90001d6f248 R08: 0000000000277c59 R09: 0000000000000001
<4>[  688.358371] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba7
<4>[  688.358373] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c59003
<4>[  688.358374] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.358376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.358378] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.358379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.358381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.358382] Call Trace:
<4>[  688.358384]  <TASK>
<4>[  688.358385]  ? show_regs+0x6c/0x80
<4>[  688.358389]  ? __warn+0x93/0x1c0
<4>[  688.358392]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.358396]  ? report_bug+0x182/0x1b0
<4>[  688.358401]  ? handle_bug+0x6e/0xb0
<4>[  688.358404]  ? exc_invalid_op+0x18/0x80
<4>[  688.358407]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.358416]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.358419]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.358422]  ? mark_held_locks+0x46/0x90
<4>[  688.358434]  __iommu_map+0x119/0x2c0
<4>[  688.358443]  iommu_map_sg+0xbf/0x210
<4>[  688.358450]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.358460]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.358465]  dma_map_sgtable+0x1d/0x40
<4>[  688.360690]  x64_sys_call+0x131e/0x2650
<4>[  688.360753] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.360907] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.360913] RAX: 0000000000000000 RBX: ffff888120b7f2d8 RCX: 0000000000000000
<4>[  688.360915] RDX: 0000000000000000 RSI: 0000000003e1345b RDI: 0000000000000000
<4>[  688.360916] RBP: ffffc90001d6f248 R08: 0000000000277c5a R09: 0000000000000001
<4>[  688.360918] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba6
<4>[  688.360919] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5a003
<4>[  688.360921] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.360922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.360924] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.360925] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.360927] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.360928] Call Trace:
<4>[  688.360930]  <TASK>
<4>[  688.360931]  ? show_regs+0x6c/0x80
<4>[  688.360935]  ? __warn+0x93/0x1c0
<4>[  688.360938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.360942]  ? report_bug+0x182/0x1b0
<4>[  688.360947]  ? handle_bug+0x6e/0xb0
<4>[  688.360950]  ? exc_invalid_op+0x18/0x80
<4>[  688.360953]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.360962]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.360965]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.360968]  ? mark_held_locks+0x46/0x90
<4>[  688.360979]  __iommu_map+0x119/0x2c0
<4>[  688.360988]  iommu_map_sg+0xbf/0x210
<4>[  688.360995]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.361005]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.361011]  dma_map_sgtable+0x1d/0x40
<4>[  688.362741]  ? __lock_acquire+0x442/0x2810
<4>[  688.363302] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.363461] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.363467] RAX: 0000000000000000 RBX: ffff888120b7f2e0 RCX: 0000000000000000
<4>[  688.363468] RDX: 0000000000000000 RSI: 0000000003e1345c RDI: 0000000000000000
<4>[  688.363470] RBP: ffffc90001d6f248 R08: 0000000000277c5b R09: 0000000000000001
<4>[  688.363471] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba5
<4>[  688.363473] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5b003
<4>[  688.363474] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.363476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.363478] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.363479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.363480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.363482] Call Trace:
<4>[  688.363483]  <TASK>
<4>[  688.363485]  ? show_regs+0x6c/0x80
<4>[  688.363488]  ? __warn+0x93/0x1c0
<4>[  688.363492]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.363495]  ? report_bug+0x182/0x1b0
<4>[  688.363501]  ? handle_bug+0x6e/0xb0
<4>[  688.363503]  ? exc_invalid_op+0x18/0x80
<4>[  688.363506]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.363515]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.363519]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.363522]  ? mark_held_locks+0x46/0x90
<4>[  688.363533]  __iommu_map+0x119/0x2c0
<4>[  688.363542]  iommu_map_sg+0xbf/0x210
<4>[  688.363549]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.363559]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.363564]  dma_map_sgtable+0x1d/0x40
<4>[  688.365275]  ? __kernel_text_address+0x12/0x50
<4>[  688.365852] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.366010] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.366016] RAX: 0000000000000000 RBX: ffff888120b7f2e8 RCX: 0000000000000000
<4>[  688.366017] RDX: 0000000000000000 RSI: 0000000003e1345d RDI: 0000000000000000
<4>[  688.366019] RBP: ffffc90001d6f248 R08: 0000000000277c5c R09: 0000000000000001
<4>[  688.366020] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba4
<4>[  688.366021] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5c003
<4>[  688.366023] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.366025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.366026] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.366028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.366029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.366031] Call Trace:
<4>[  688.366032]  <TASK>
<4>[  688.366034]  ? show_regs+0x6c/0x80
<4>[  688.366037]  ? __warn+0x93/0x1c0
<4>[  688.366040]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.366044]  ? report_bug+0x182/0x1b0
<4>[  688.366049]  ? handle_bug+0x6e/0xb0
<4>[  688.366052]  ? exc_invalid_op+0x18/0x80
<4>[  688.366055]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.366064]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.366067]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.366070]  ? mark_held_locks+0x46/0x90
<4>[  688.366081]  __iommu_map+0x119/0x2c0
<4>[  688.366091]  iommu_map_sg+0xbf/0x210
<4>[  688.366098]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.366108]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.366113]  dma_map_sgtable+0x1d/0x40
<4>[  688.367823]  ? __kernel_text_address+0x12/0x50
<4>[  688.368404] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.368562] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.368567] RAX: 0000000000000000 RBX: ffff888120b7f2f0 RCX: 0000000000000000
<4>[  688.368569] RDX: 0000000000000000 RSI: 0000000003e1345e RDI: 0000000000000000
<4>[  688.368570] RBP: ffffc90001d6f248 R08: 0000000000277c5d R09: 0000000000000001
<4>[  688.368572] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba3
<4>[  688.368573] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5d003
<4>[  688.368575] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.368577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.368578] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.368580] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.368581] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.368583] Call Trace:
<4>[  688.368584]  <TASK>
<4>[  688.368586]  ? show_regs+0x6c/0x80
<4>[  688.368589]  ? __warn+0x93/0x1c0
<4>[  688.368592]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.368596]  ? report_bug+0x182/0x1b0
<4>[  688.368601]  ? handle_bug+0x6e/0xb0
<4>[  688.368604]  ? exc_invalid_op+0x18/0x80
<4>[  688.368607]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.368616]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.368619]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.368622]  ? mark_held_locks+0x46/0x90
<4>[  688.368633]  __iommu_map+0x119/0x2c0
<4>[  688.368642]  iommu_map_sg+0xbf/0x210
<4>[  688.368649]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.368659]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.368665]  dma_map_sgtable+0x1d/0x40
<4>[  688.370376]  ? __kernel_text_address+0x12/0x50
<4>[  688.370952] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.371109] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.371115] RAX: 0000000000000000 RBX: ffff888120b7f2f8 RCX: 0000000000000000
<4>[  688.371117] RDX: 0000000000000000 RSI: 0000000003e1345f RDI: 0000000000000000
<4>[  688.371118] RBP: ffffc90001d6f248 R08: 0000000000277c5e R09: 0000000000000001
<4>[  688.371120] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba2
<4>[  688.371121] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5e003
<4>[  688.371123] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.371124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.371126] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.371128] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.371129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.371130] Call Trace:
<4>[  688.371132]  <TASK>
<4>[  688.371133]  ? show_regs+0x6c/0x80
<4>[  688.371137]  ? __warn+0x93/0x1c0
<4>[  688.371140]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.371144]  ? report_bug+0x182/0x1b0
<4>[  688.371149]  ? handle_bug+0x6e/0xb0
<4>[  688.371152]  ? exc_invalid_op+0x18/0x80
<4>[  688.371154]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.371163]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.371167]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.371170]  ? mark_held_locks+0x46/0x90
<4>[  688.371181]  __iommu_map+0x119/0x2c0
<4>[  688.371190]  iommu_map_sg+0xbf/0x210
<4>[  688.371197]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.371207]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.371212]  dma_map_sgtable+0x1d/0x40
<4>[  688.371989]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.373508] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.373661] 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>[  688.373667] RDX: 0000000000000000 RSI: 0000000003e13460 RDI: 0000000000000000
<4>[  688.373669] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba1
<4>[  688.373671] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c5f003
<4>[  688.373672] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.373674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.373676] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.373677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.373679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.373680] Call Trace:
<4>[  688.373681]  <TASK>
<4>[  688.373683]  ? show_regs+0x6c/0x80
<4>[  688.373687]  ? __warn+0x93/0x1c0
<4>[  688.373690]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.373694]  ? report_bug+0x182/0x1b0
<4>[  688.373699]  ? handle_bug+0x6e/0xb0
<4>[  688.373701]  ? exc_invalid_op+0x18/0x80
<4>[  688.373704]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.373713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.373717]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.373720]  ? mark_held_locks+0x46/0x90
<4>[  688.373731]  __iommu_map+0x119/0x2c0
<4>[  688.373740]  iommu_map_sg+0xbf/0x210
<4>[  688.373747]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.373757]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.374538]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.376053] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.376206] 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>[  688.376211] RDX: 0000000000000000 RSI: 0000000003e13461 RDI: 0000000000000000
<4>[  688.376214] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9ba0
<4>[  688.376216] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c60003
<4>[  688.376217] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.376224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.376225] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.376227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.376228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.376230] Call Trace:
<4>[  688.376231]  <TASK>
<4>[  688.376233]  ? show_regs+0x6c/0x80
<4>[  688.376236]  ? __warn+0x93/0x1c0
<4>[  688.376239]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.376243]  ? report_bug+0x182/0x1b0
<4>[  688.376249]  ? handle_bug+0x6e/0xb0
<4>[  688.376251]  ? exc_invalid_op+0x18/0x80
<4>[  688.376254]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.376263]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.376267]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.376269]  ? mark_held_locks+0x46/0x90
<4>[  688.376281]  __iommu_map+0x119/0x2c0
<4>[  688.376290]  iommu_map_sg+0xbf/0x210
<4>[  688.376297]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.376307]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.376469]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.378597] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.378754] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.378760] RAX: 0000000000000000 RBX: ffff888120b7f310 RCX: 0000000000000000
<4>[  688.378761] RDX: 0000000000000000 RSI: 0000000003e13462 RDI: 0000000000000000
<4>[  688.378763] RBP: ffffc90001d6f248 R08: 0000000000277c61 R09: 0000000000000001
<4>[  688.378764] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9f
<4>[  688.378766] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c61003
<4>[  688.378767] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.378769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.378771] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.378772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.378773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.378775] Call Trace:
<4>[  688.378776]  <TASK>
<4>[  688.378778]  ? show_regs+0x6c/0x80
<4>[  688.378781]  ? __warn+0x93/0x1c0
<4>[  688.378785]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.378789]  ? report_bug+0x182/0x1b0
<4>[  688.378794]  ? handle_bug+0x6e/0xb0
<4>[  688.378796]  ? exc_invalid_op+0x18/0x80
<4>[  688.378799]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.378808]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.378812]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.378815]  ? mark_held_locks+0x46/0x90
<4>[  688.378826]  __iommu_map+0x119/0x2c0
<4>[  688.378835]  iommu_map_sg+0xbf/0x210
<4>[  688.378842]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.378852]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.378857]  dma_map_sgtable+0x1d/0x40
<4>[  688.379633]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.381148] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.381308] 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>[  688.381313] RDX: 0000000000000000 RSI: 0000000003e13463 RDI: 0000000000000000
<4>[  688.381316] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9e
<4>[  688.381318] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c62003
<4>[  688.381319] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.381321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.381323] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.381324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.381325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.381327] Call Trace:
<4>[  688.381328]  <TASK>
<4>[  688.381330]  ? show_regs+0x6c/0x80
<4>[  688.381333]  ? __warn+0x93/0x1c0
<4>[  688.381337]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.381340]  ? report_bug+0x182/0x1b0
<4>[  688.381345]  ? handle_bug+0x6e/0xb0
<4>[  688.381348]  ? exc_invalid_op+0x18/0x80
<4>[  688.381351]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.381360]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.381364]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.381367]  ? mark_held_locks+0x46/0x90
<4>[  688.381378]  __iommu_map+0x119/0x2c0
<4>[  688.381387]  iommu_map_sg+0xbf/0x210
<4>[  688.381394]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.381404]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.381876]  ? lock_acquire+0xc9/0x300
<4>[  688.383686]  ? clear_bhb_loop+0x15/0x70
<4>[  688.383715]  </TASK>
<4>[  688.383722] softirqs last  enabled at (234145366): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.383860] RDX: 0000000000000000 RSI: 0000000003e13464 RDI: 0000000000000000
<4>[  688.383861] RBP: ffffc90001d6f248 R08: 0000000000277c63 R09: 0000000000000001
<4>[  688.383863] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9d
<4>[  688.383864] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c63003
<4>[  688.383866] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.383868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.383869] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.383871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.383872] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.383874] Call Trace:
<4>[  688.383875]  <TASK>
<4>[  688.383877]  ? show_regs+0x6c/0x80
<4>[  688.383880]  ? __warn+0x93/0x1c0
<4>[  688.383883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.383887]  ? report_bug+0x182/0x1b0
<4>[  688.383892]  ? handle_bug+0x6e/0xb0
<4>[  688.383895]  ? exc_invalid_op+0x18/0x80
<4>[  688.383898]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.383907]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.383910]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.383913]  ? mark_held_locks+0x46/0x90
<4>[  688.383924]  __iommu_map+0x119/0x2c0
<4>[  688.383933]  iommu_map_sg+0xbf/0x210
<4>[  688.383941]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.383951]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.383956]  dma_map_sgtable+0x1d/0x40
<4>[  688.383959]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.384112]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.386236]  ? clear_bhb_loop+0x15/0x70
<4>[  688.386254] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.386407] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.386410] RDX: 0000000000000000 RSI: 0000000003e13465 RDI: 0000000000000000
<4>[  688.386412] RBP: ffffc90001d6f248 R08: 0000000000277c64 R09: 0000000000000001
<4>[  688.386413] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9c
<4>[  688.386415] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c64003
<4>[  688.386416] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.386418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.386420] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.386421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.386423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.386424] Call Trace:
<4>[  688.386425]  <TASK>
<4>[  688.386427]  ? show_regs+0x6c/0x80
<4>[  688.386430]  ? __warn+0x93/0x1c0
<4>[  688.386434]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.386438]  ? report_bug+0x182/0x1b0
<4>[  688.386443]  ? handle_bug+0x6e/0xb0
<4>[  688.386445]  ? exc_invalid_op+0x18/0x80
<4>[  688.386448]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.386457]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.386461]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.386464]  ? mark_held_locks+0x46/0x90
<4>[  688.386475]  __iommu_map+0x119/0x2c0
<4>[  688.386484]  iommu_map_sg+0xbf/0x210
<4>[  688.386491]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.386501]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.386506]  dma_map_sgtable+0x1d/0x40
<4>[  688.386510]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.386977]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.388791] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.388948] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.388956] RDX: 0000000000000000 RSI: 0000000003e13466 RDI: 0000000000000000
<4>[  688.388957] RBP: ffffc90001d6f248 R08: 0000000000277c65 R09: 0000000000000001
<4>[  688.388959] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9b
<4>[  688.388960] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c65003
<4>[  688.388962] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.388963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.388965] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.388967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.388968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.388969] Call Trace:
<4>[  688.388971]  <TASK>
<4>[  688.388972]  ? show_regs+0x6c/0x80
<4>[  688.388976]  ? __warn+0x93/0x1c0
<4>[  688.388979]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.388983]  ? report_bug+0x182/0x1b0
<4>[  688.388988]  ? handle_bug+0x6e/0xb0
<4>[  688.388991]  ? exc_invalid_op+0x18/0x80
<4>[  688.388994]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.389003]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.389006]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.389009]  ? mark_held_locks+0x46/0x90
<4>[  688.389020]  __iommu_map+0x119/0x2c0
<4>[  688.389029]  iommu_map_sg+0xbf/0x210
<4>[  688.389036]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.389046]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.389052]  dma_map_sgtable+0x1d/0x40
<4>[  688.389055]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.389208]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.391334]  ? clear_bhb_loop+0x15/0x70
<4>[  688.391353] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.391506] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.391509] RDX: 0000000000000000 RSI: 0000000003e13467 RDI: 0000000000000000
<4>[  688.391511] RBP: ffffc90001d6f248 R08: 0000000000277c66 R09: 0000000000000001
<4>[  688.391512] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b9a
<4>[  688.391514] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c66003
<4>[  688.391515] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.391517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.391518] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.391520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.391521] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.391523] Call Trace:
<4>[  688.391524]  <TASK>
<4>[  688.391526]  ? show_regs+0x6c/0x80
<4>[  688.391529]  ? __warn+0x93/0x1c0
<4>[  688.391532]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.391536]  ? report_bug+0x182/0x1b0
<4>[  688.391541]  ? handle_bug+0x6e/0xb0
<4>[  688.391544]  ? exc_invalid_op+0x18/0x80
<4>[  688.391547]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.391556]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.391559]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.391562]  ? mark_held_locks+0x46/0x90
<4>[  688.391574]  __iommu_map+0x119/0x2c0
<4>[  688.391583]  iommu_map_sg+0xbf/0x210
<4>[  688.391590]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.391600]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.391605]  dma_map_sgtable+0x1d/0x40
<4>[  688.391609]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.392072]  ? lock_acquire+0xc9/0x300
<4>[  688.393882]  ? clear_bhb_loop+0x15/0x70
<4>[  688.393914] hardirqs last  enabled at (234162285): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.394056] RDX: 0000000000000000 RSI: 0000000003e13468 RDI: 0000000000000000
<4>[  688.394058] RBP: ffffc90001d6f248 R08: 0000000000277c67 R09: 0000000000000001
<4>[  688.394059] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b99
<4>[  688.394061] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c67003
<4>[  688.394062] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.394064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.394066] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.394067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.394069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.394070] Call Trace:
<4>[  688.394071]  <TASK>
<4>[  688.394073]  ? show_regs+0x6c/0x80
<4>[  688.394076]  ? __warn+0x93/0x1c0
<4>[  688.394080]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.394084]  ? report_bug+0x182/0x1b0
<4>[  688.394089]  ? handle_bug+0x6e/0xb0
<4>[  688.394091]  ? exc_invalid_op+0x18/0x80
<4>[  688.394094]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.394103]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.394107]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.394110]  ? mark_held_locks+0x46/0x90
<4>[  688.394121]  __iommu_map+0x119/0x2c0
<4>[  688.394130]  iommu_map_sg+0xbf/0x210
<4>[  688.394137]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.394147]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.394152]  dma_map_sgtable+0x1d/0x40
<4>[  688.394156]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.394313]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.396375]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.396441] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.396599] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.396607] RDX: 0000000000000000 RSI: 0000000003e13469 RDI: 0000000000000000
<4>[  688.396608] RBP: ffffc90001d6f248 R08: 0000000000277c68 R09: 0000000000000001
<4>[  688.396610] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b98
<4>[  688.396611] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c68003
<4>[  688.396613] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.396614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.396616] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.396618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.396619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.396620] Call Trace:
<4>[  688.396622]  <TASK>
<4>[  688.396623]  ? show_regs+0x6c/0x80
<4>[  688.396627]  ? __warn+0x93/0x1c0
<4>[  688.396630]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.396634]  ? report_bug+0x182/0x1b0
<4>[  688.396639]  ? handle_bug+0x6e/0xb0
<4>[  688.396641]  ? exc_invalid_op+0x18/0x80
<4>[  688.396644]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.396653]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.396657]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.396660]  ? mark_held_locks+0x46/0x90
<4>[  688.396671]  __iommu_map+0x119/0x2c0
<4>[  688.396680]  iommu_map_sg+0xbf/0x210
<4>[  688.396687]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.396697]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.396703]  dma_map_sgtable+0x1d/0x40
<4>[  688.396706]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.396860]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.398978]  ? clear_bhb_loop+0x15/0x70
<4>[  688.398995] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.399149] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.399152] RDX: 0000000000000000 RSI: 0000000003e1346a RDI: 0000000000000000
<4>[  688.399154] RBP: ffffc90001d6f248 R08: 0000000000277c69 R09: 0000000000000001
<4>[  688.399155] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b97
<4>[  688.399157] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c69003
<4>[  688.399158] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.399160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.399161] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.399163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.399164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.399166] Call Trace:
<4>[  688.399167]  <TASK>
<4>[  688.399169]  ? show_regs+0x6c/0x80
<4>[  688.399172]  ? __warn+0x93/0x1c0
<4>[  688.399175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.399179]  ? report_bug+0x182/0x1b0
<4>[  688.399184]  ? handle_bug+0x6e/0xb0
<4>[  688.399187]  ? exc_invalid_op+0x18/0x80
<4>[  688.399190]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.399199]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.399202]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.399205]  ? mark_held_locks+0x46/0x90
<4>[  688.399216]  __iommu_map+0x119/0x2c0
<4>[  688.399231]  iommu_map_sg+0xbf/0x210
<4>[  688.399238]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.399248]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.399253]  dma_map_sgtable+0x1d/0x40
<4>[  688.399257]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.399409]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.401531]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  688.401568] ---[ end trace 0000000000000000 ]---
<4>[  688.401696] 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>[  688.401703] RBP: ffffc90001d6f248 R08: 0000000000277c6a R09: 0000000000000001
<4>[  688.401704] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b96
<4>[  688.401706] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6a003
<4>[  688.401707] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.401709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.401711] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.401712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.401714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.401715] Call Trace:
<4>[  688.401716]  <TASK>
<4>[  688.401718]  ? show_regs+0x6c/0x80
<4>[  688.401721]  ? __warn+0x93/0x1c0
<4>[  688.401725]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.401729]  ? report_bug+0x182/0x1b0
<4>[  688.401734]  ? handle_bug+0x6e/0xb0
<4>[  688.401736]  ? exc_invalid_op+0x18/0x80
<4>[  688.401739]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.401748]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.401751]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.401754]  ? mark_held_locks+0x46/0x90
<4>[  688.401766]  __iommu_map+0x119/0x2c0
<4>[  688.401775]  iommu_map_sg+0xbf/0x210
<4>[  688.401782]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.401791]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.402272]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  688.404081] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.404242] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.404250] RDX: 0000000000000000 RSI: 0000000003e1346c RDI: 0000000000000000
<4>[  688.404251] RBP: ffffc90001d6f248 R08: 0000000000277c6b R09: 0000000000000001
<4>[  688.404253] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b95
<4>[  688.404254] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6b003
<4>[  688.404256] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.404258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.404259] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.404261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.404262] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.404263] Call Trace:
<4>[  688.404265]  <TASK>
<4>[  688.404266]  ? show_regs+0x6c/0x80
<4>[  688.404270]  ? __warn+0x93/0x1c0
<4>[  688.404273]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.404277]  ? report_bug+0x182/0x1b0
<4>[  688.404282]  ? handle_bug+0x6e/0xb0
<4>[  688.404285]  ? exc_invalid_op+0x18/0x80
<4>[  688.404288]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.404297]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.404300]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.404303]  ? mark_held_locks+0x46/0x90
<4>[  688.404315]  __iommu_map+0x119/0x2c0
<4>[  688.404324]  iommu_map_sg+0xbf/0x210
<4>[  688.404331]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.404341]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.404347]  dma_map_sgtable+0x1d/0x40
<4>[  688.404350]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.404503]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.406622]  ? clear_bhb_loop+0x15/0x70
<4>[  688.406639] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.406792] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.406796] RDX: 0000000000000000 RSI: 0000000003e1346d RDI: 0000000000000000
<4>[  688.406798] RBP: ffffc90001d6f248 R08: 0000000000277c6c R09: 0000000000000001
<4>[  688.406799] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b94
<4>[  688.406800] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6c003
<4>[  688.406802] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.406804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.406805] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.406807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.406808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.406810] Call Trace:
<4>[  688.406811]  <TASK>
<4>[  688.406813]  ? show_regs+0x6c/0x80
<4>[  688.406816]  ? __warn+0x93/0x1c0
<4>[  688.406819]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.406823]  ? report_bug+0x182/0x1b0
<4>[  688.406828]  ? handle_bug+0x6e/0xb0
<4>[  688.406831]  ? exc_invalid_op+0x18/0x80
<4>[  688.406834]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.406843]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.406846]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.406849]  ? mark_held_locks+0x46/0x90
<4>[  688.406860]  __iommu_map+0x119/0x2c0
<4>[  688.406869]  iommu_map_sg+0xbf/0x210
<4>[  688.406876]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.406886]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.406892]  dma_map_sgtable+0x1d/0x40
<4>[  688.406895]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.407048]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.409173]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  688.409210] ---[ end trace 0000000000000000 ]---
<4>[  688.409347] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.409351] RDX: 0000000000000000 RSI: 0000000003e1346e RDI: 0000000000000000
<4>[  688.409353] RBP: ffffc90001d6f248 R08: 0000000000277c6d R09: 0000000000000001
<4>[  688.409354] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b93
<4>[  688.409356] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6d003
<4>[  688.409357] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.409359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.409360] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.409362] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.409363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.409365] Call Trace:
<4>[  688.409366]  <TASK>
<4>[  688.409368]  ? show_regs+0x6c/0x80
<4>[  688.409371]  ? __warn+0x93/0x1c0
<4>[  688.409375]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.409378]  ? report_bug+0x182/0x1b0
<4>[  688.409384]  ? handle_bug+0x6e/0xb0
<4>[  688.409386]  ? exc_invalid_op+0x18/0x80
<4>[  688.409389]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.409398]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.409401]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.409404]  ? mark_held_locks+0x46/0x90
<4>[  688.409416]  __iommu_map+0x119/0x2c0
<4>[  688.409425]  iommu_map_sg+0xbf/0x210
<4>[  688.409432]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.409442]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.409447]  dma_map_sgtable+0x1d/0x40
<4>[  688.409451]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.409914]  ? lock_acquire+0xc9/0x300
<4>[  688.411722]  ? clear_bhb_loop+0x15/0x70
<4>[  688.411740] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.411893] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.411896] RDX: 0000000000000000 RSI: 0000000003e1346f RDI: 0000000000000000
<4>[  688.411898] RBP: ffffc90001d6f248 R08: 0000000000277c6e R09: 0000000000000001
<4>[  688.411899] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b92
<4>[  688.411901] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6e003
<4>[  688.411902] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.411904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.411906] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.411907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.411909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.411910] Call Trace:
<4>[  688.411911]  <TASK>
<4>[  688.411913]  ? show_regs+0x6c/0x80
<4>[  688.411916]  ? __warn+0x93/0x1c0
<4>[  688.411920]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.411923]  ? report_bug+0x182/0x1b0
<4>[  688.411929]  ? handle_bug+0x6e/0xb0
<4>[  688.411931]  ? exc_invalid_op+0x18/0x80
<4>[  688.411934]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.411943]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.411946]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.411949]  ? mark_held_locks+0x46/0x90
<4>[  688.411961]  __iommu_map+0x119/0x2c0
<4>[  688.411970]  iommu_map_sg+0xbf/0x210
<4>[  688.411977]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.411987]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.411992]  dma_map_sgtable+0x1d/0x40
<4>[  688.411996]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.412309]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.414285] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.414444] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.414451] RDX: 0000000000000000 RSI: 0000000003e13470 RDI: 0000000000000000
<4>[  688.414452] RBP: ffffc90001d6f248 R08: 0000000000277c6f R09: 0000000000000001
<4>[  688.414454] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b91
<4>[  688.414455] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c6f003
<4>[  688.414457] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.414459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.414460] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.414462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.414463] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.414465] Call Trace:
<4>[  688.414466]  <TASK>
<4>[  688.414467]  ? show_regs+0x6c/0x80
<4>[  688.414471]  ? __warn+0x93/0x1c0
<4>[  688.414474]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.414478]  ? report_bug+0x182/0x1b0
<4>[  688.414483]  ? handle_bug+0x6e/0xb0
<4>[  688.414486]  ? exc_invalid_op+0x18/0x80
<4>[  688.414489]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.414498]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.414501]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.414504]  ? mark_held_locks+0x46/0x90
<4>[  688.414515]  __iommu_map+0x119/0x2c0
<4>[  688.414524]  iommu_map_sg+0xbf/0x210
<4>[  688.414532]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.414542]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.414547]  dma_map_sgtable+0x1d/0x40
<4>[  688.414550]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.414703]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.416823]  ? clear_bhb_loop+0x15/0x70
<4>[  688.416852]  </TASK>
<4>[  688.416859] softirqs last  enabled at (234196418): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.416997] RDX: 0000000000000000 RSI: 0000000003e13471 RDI: 0000000000000000
<4>[  688.416999] RBP: ffffc90001d6f248 R08: 0000000000277c70 R09: 0000000000000001
<4>[  688.417000] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b90
<4>[  688.417002] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c70003
<4>[  688.417003] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.417005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.417007] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.417008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.417010] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.417011] Call Trace:
<4>[  688.417012]  <TASK>
<4>[  688.417014]  ? show_regs+0x6c/0x80
<4>[  688.417017]  ? __warn+0x93/0x1c0
<4>[  688.417021]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.417024]  ? report_bug+0x182/0x1b0
<4>[  688.417030]  ? handle_bug+0x6e/0xb0
<4>[  688.417032]  ? exc_invalid_op+0x18/0x80
<4>[  688.417035]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.417044]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.417048]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.417051]  ? mark_held_locks+0x46/0x90
<4>[  688.417062]  __iommu_map+0x119/0x2c0
<4>[  688.417071]  iommu_map_sg+0xbf/0x210
<4>[  688.417078]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.417088]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.417093]  dma_map_sgtable+0x1d/0x40
<4>[  688.417097]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.417254]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.419370]  ? irqentry_exit+0x77/0xb0
<4>[  688.419393] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.419547] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.419551] RDX: 0000000000000000 RSI: 0000000003e13472 RDI: 0000000000000000
<4>[  688.419553] RBP: ffffc90001d6f248 R08: 0000000000277c71 R09: 0000000000000001
<4>[  688.419554] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8f
<4>[  688.419556] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c71003
<4>[  688.419557] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.419559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.419560] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.419562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.419563] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.419565] Call Trace:
<4>[  688.419566]  <TASK>
<4>[  688.419568]  ? show_regs+0x6c/0x80
<4>[  688.419571]  ? __warn+0x93/0x1c0
<4>[  688.419574]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.419578]  ? report_bug+0x182/0x1b0
<4>[  688.419583]  ? handle_bug+0x6e/0xb0
<4>[  688.419586]  ? exc_invalid_op+0x18/0x80
<4>[  688.419589]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.419598]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.419601]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.419604]  ? mark_held_locks+0x46/0x90
<4>[  688.419615]  __iommu_map+0x119/0x2c0
<4>[  688.419624]  iommu_map_sg+0xbf/0x210
<4>[  688.419631]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.419641]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.419647]  dma_map_sgtable+0x1d/0x40
<4>[  688.419650]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.419803]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.421931] 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>[  688.422098] RDX: 0000000000000000 RSI: 0000000003e13473 RDI: 0000000000000000
<4>[  688.422100] RBP: ffffc90001d6f248 R08: 0000000000277c72 R09: 0000000000000001
<4>[  688.422101] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8e
<4>[  688.422102] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c72003
<4>[  688.422104] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.422106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.422107] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.422109] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.422110] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.422112] Call Trace:
<4>[  688.422113]  <TASK>
<4>[  688.422115]  ? show_regs+0x6c/0x80
<4>[  688.422118]  ? __warn+0x93/0x1c0
<4>[  688.422121]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.422125]  ? report_bug+0x182/0x1b0
<4>[  688.422130]  ? handle_bug+0x6e/0xb0
<4>[  688.422133]  ? exc_invalid_op+0x18/0x80
<4>[  688.422136]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.422145]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.422148]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.422151]  ? mark_held_locks+0x46/0x90
<4>[  688.422162]  __iommu_map+0x119/0x2c0
<4>[  688.422171]  iommu_map_sg+0xbf/0x210
<4>[  688.422178]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.422188]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.422356]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.424477]  ? clear_bhb_loop+0x15/0x70
<4>[  688.424511] hardirqs last disabled at (234210106): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.424651] RDX: 0000000000000000 RSI: 0000000003e13474 RDI: 0000000000000000
<4>[  688.424652] RBP: ffffc90001d6f248 R08: 0000000000277c73 R09: 0000000000000001
<4>[  688.424654] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8d
<4>[  688.424655] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c73003
<4>[  688.424657] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.424659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.424660] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.424662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.424663] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.424664] Call Trace:
<4>[  688.424666]  <TASK>
<4>[  688.424667]  ? show_regs+0x6c/0x80
<4>[  688.424671]  ? __warn+0x93/0x1c0
<4>[  688.424674]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.424678]  ? report_bug+0x182/0x1b0
<4>[  688.424683]  ? handle_bug+0x6e/0xb0
<4>[  688.424686]  ? exc_invalid_op+0x18/0x80
<4>[  688.424689]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.424698]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.424701]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.424704]  ? mark_held_locks+0x46/0x90
<4>[  688.424715]  __iommu_map+0x119/0x2c0
<4>[  688.424724]  iommu_map_sg+0xbf/0x210
<4>[  688.424731]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.424741]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.424747]  dma_map_sgtable+0x1d/0x40
<4>[  688.424750]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.424903]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.427022]  ? clear_bhb_loop+0x15/0x70
<4>[  688.427038] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.427192] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.427196] RDX: 0000000000000000 RSI: 0000000003e13475 RDI: 0000000000000000
<4>[  688.427197] RBP: ffffc90001d6f248 R08: 0000000000277c74 R09: 0000000000000001
<4>[  688.427199] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8c
<4>[  688.427200] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c74003
<4>[  688.427202] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.427203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.427205] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.427206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.427208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.427209] Call Trace:
<4>[  688.427211]  <TASK>
<4>[  688.427212]  ? show_regs+0x6c/0x80
<4>[  688.427216]  ? __warn+0x93/0x1c0
<4>[  688.427224]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.427228]  ? report_bug+0x182/0x1b0
<4>[  688.427233]  ? handle_bug+0x6e/0xb0
<4>[  688.427236]  ? exc_invalid_op+0x18/0x80
<4>[  688.427239]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.427248]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.427251]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.427254]  ? mark_held_locks+0x46/0x90
<4>[  688.427265]  __iommu_map+0x119/0x2c0
<4>[  688.427274]  iommu_map_sg+0xbf/0x210
<4>[  688.427281]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.427292]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.427297]  dma_map_sgtable+0x1d/0x40
<4>[  688.427301]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.427763]  ? lock_acquire+0xc9/0x300
<4>[  688.429572]  ? clear_bhb_loop+0x15/0x70
<4>[  688.429591] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.429743] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.429747] RDX: 0000000000000000 RSI: 0000000003e13476 RDI: 0000000000000000
<4>[  688.429748] RBP: ffffc90001d6f248 R08: 0000000000277c75 R09: 0000000000000001
<4>[  688.429750] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8b
<4>[  688.429751] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c75003
<4>[  688.429753] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.429754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.429756] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.429758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.429759] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.429760] Call Trace:
<4>[  688.429762]  <TASK>
<4>[  688.429763]  ? show_regs+0x6c/0x80
<4>[  688.429767]  ? __warn+0x93/0x1c0
<4>[  688.429770]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.429774]  ? report_bug+0x182/0x1b0
<4>[  688.429779]  ? handle_bug+0x6e/0xb0
<4>[  688.429782]  ? exc_invalid_op+0x18/0x80
<4>[  688.429785]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.429794]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.429797]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.429800]  ? mark_held_locks+0x46/0x90
<4>[  688.429811]  __iommu_map+0x119/0x2c0
<4>[  688.429820]  iommu_map_sg+0xbf/0x210
<4>[  688.429828]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.429838]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.429843]  dma_map_sgtable+0x1d/0x40
<4>[  688.429846]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.430315]  ? lock_acquire+0xc9/0x300
<4>[  688.432119]  ? clear_bhb_loop+0x15/0x70
<4>[  688.432137] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.432295] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.432299] RDX: 0000000000000000 RSI: 0000000003e13477 RDI: 0000000000000000
<4>[  688.432301] RBP: ffffc90001d6f248 R08: 0000000000277c76 R09: 0000000000000001
<4>[  688.432302] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b8a
<4>[  688.432304] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c76003
<4>[  688.432306] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.432307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.432309] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.432311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.432312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.432314] Call Trace:
<4>[  688.432315]  <TASK>
<4>[  688.432317]  ? show_regs+0x6c/0x80
<4>[  688.432320]  ? __warn+0x93/0x1c0
<4>[  688.432323]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.432327]  ? report_bug+0x182/0x1b0
<4>[  688.432332]  ? handle_bug+0x6e/0xb0
<4>[  688.432335]  ? exc_invalid_op+0x18/0x80
<4>[  688.432338]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.432347]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.432350]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.432353]  ? mark_held_locks+0x46/0x90
<4>[  688.432364]  __iommu_map+0x119/0x2c0
<4>[  688.432373]  iommu_map_sg+0xbf/0x210
<4>[  688.432380]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.432390]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.432396]  dma_map_sgtable+0x1d/0x40
<4>[  688.432399]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.432861]  ? lock_acquire+0xc9/0x300
<4>[  688.434672]  ? clear_bhb_loop+0x15/0x70
<4>[  688.434690] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.434843] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.434846] RDX: 0000000000000000 RSI: 0000000003e13478 RDI: 0000000000000000
<4>[  688.434848] RBP: ffffc90001d6f248 R08: 0000000000277c77 R09: 0000000000000001
<4>[  688.434849] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b89
<4>[  688.434851] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c77003
<4>[  688.434852] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.434854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.434856] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.434857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.434859] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.434860] Call Trace:
<4>[  688.434861]  <TASK>
<4>[  688.434863]  ? show_regs+0x6c/0x80
<4>[  688.434867]  ? __warn+0x93/0x1c0
<4>[  688.434870]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.434874]  ? report_bug+0x182/0x1b0
<4>[  688.434879]  ? handle_bug+0x6e/0xb0
<4>[  688.434881]  ? exc_invalid_op+0x18/0x80
<4>[  688.434884]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.434893]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.434897]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.434900]  ? mark_held_locks+0x46/0x90
<4>[  688.434911]  __iommu_map+0x119/0x2c0
<4>[  688.434920]  iommu_map_sg+0xbf/0x210
<4>[  688.434927]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.434937]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.434942]  dma_map_sgtable+0x1d/0x40
<4>[  688.434946]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.435414]  ? lock_acquire+0xc9/0x300
<4>[  688.437223]  ? clear_bhb_loop+0x15/0x70
<4>[  688.437241] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.437394] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.437398] RDX: 0000000000000000 RSI: 0000000003e13479 RDI: 0000000000000000
<4>[  688.437399] RBP: ffffc90001d6f248 R08: 0000000000277c78 R09: 0000000000000001
<4>[  688.437401] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b88
<4>[  688.437402] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c78003
<4>[  688.437404] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.437406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.437407] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.437409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.437410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.437412] Call Trace:
<4>[  688.437413]  <TASK>
<4>[  688.437415]  ? show_regs+0x6c/0x80
<4>[  688.437418]  ? __warn+0x93/0x1c0
<4>[  688.437421]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.437425]  ? report_bug+0x182/0x1b0
<4>[  688.437430]  ? handle_bug+0x6e/0xb0
<4>[  688.437433]  ? exc_invalid_op+0x18/0x80
<4>[  688.437436]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.437445]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.437448]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.437451]  ? mark_held_locks+0x46/0x90
<4>[  688.437462]  __iommu_map+0x119/0x2c0
<4>[  688.437472]  iommu_map_sg+0xbf/0x210
<4>[  688.437479]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.437489]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.437494]  dma_map_sgtable+0x1d/0x40
<4>[  688.437498]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.437960]  ? lock_acquire+0xc9/0x300
<4>[  688.439769]  ? clear_bhb_loop+0x15/0x70
<4>[  688.439798]  </TASK>
<4>[  688.439805] softirqs last  enabled at (234232686): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.439943] RDX: 0000000000000000 RSI: 0000000003e1347a RDI: 0000000000000000
<4>[  688.439945] RBP: ffffc90001d6f248 R08: 0000000000277c79 R09: 0000000000000001
<4>[  688.439946] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b87
<4>[  688.439948] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c79003
<4>[  688.439949] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.439951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.439953] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.439954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.439956] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.439957] Call Trace:
<4>[  688.439958]  <TASK>
<4>[  688.439960]  ? show_regs+0x6c/0x80
<4>[  688.439963]  ? __warn+0x93/0x1c0
<4>[  688.439967]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.439970]  ? report_bug+0x182/0x1b0
<4>[  688.439976]  ? handle_bug+0x6e/0xb0
<4>[  688.439978]  ? exc_invalid_op+0x18/0x80
<4>[  688.439981]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.439990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.439993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.439996]  ? mark_held_locks+0x46/0x90
<4>[  688.440008]  __iommu_map+0x119/0x2c0
<4>[  688.440017]  iommu_map_sg+0xbf/0x210
<4>[  688.440024]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.440034]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.440039]  dma_map_sgtable+0x1d/0x40
<4>[  688.440043]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.440195]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.442319]  ? clear_bhb_loop+0x15/0x70
<4>[  688.442338] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.442490] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.442494] RDX: 0000000000000000 RSI: 0000000003e1347b RDI: 0000000000000000
<4>[  688.442495] RBP: ffffc90001d6f248 R08: 0000000000277c7a R09: 0000000000000001
<4>[  688.442497] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b86
<4>[  688.442498] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7a003
<4>[  688.442500] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.442502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.442503] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.442505] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.442506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.442508] Call Trace:
<4>[  688.442509]  <TASK>
<4>[  688.442511]  ? show_regs+0x6c/0x80
<4>[  688.442514]  ? __warn+0x93/0x1c0
<4>[  688.442517]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.442521]  ? report_bug+0x182/0x1b0
<4>[  688.442526]  ? handle_bug+0x6e/0xb0
<4>[  688.442529]  ? exc_invalid_op+0x18/0x80
<4>[  688.442532]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.442541]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.442544]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.442548]  ? mark_held_locks+0x46/0x90
<4>[  688.442559]  __iommu_map+0x119/0x2c0
<4>[  688.442568]  iommu_map_sg+0xbf/0x210
<4>[  688.442575]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.442585]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.442590]  dma_map_sgtable+0x1d/0x40
<4>[  688.442594]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.442746]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.444875] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.445032] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.445040] RDX: 0000000000000000 RSI: 0000000003e1347c RDI: 0000000000000000
<4>[  688.445041] RBP: ffffc90001d6f248 R08: 0000000000277c7b R09: 0000000000000001
<4>[  688.445043] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b85
<4>[  688.445044] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7b003
<4>[  688.445046] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.445047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.445049] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.445050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.445052] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.445053] Call Trace:
<4>[  688.445055]  <TASK>
<4>[  688.445056]  ? show_regs+0x6c/0x80
<4>[  688.445060]  ? __warn+0x93/0x1c0
<4>[  688.445063]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.445067]  ? report_bug+0x182/0x1b0
<4>[  688.445072]  ? handle_bug+0x6e/0xb0
<4>[  688.445074]  ? exc_invalid_op+0x18/0x80
<4>[  688.445077]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.445086]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.445090]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.445093]  ? mark_held_locks+0x46/0x90
<4>[  688.445104]  __iommu_map+0x119/0x2c0
<4>[  688.445113]  iommu_map_sg+0xbf/0x210
<4>[  688.445120]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.445130]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.445135]  dma_map_sgtable+0x1d/0x40
<4>[  688.445139]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.445297]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.447416]  ? clear_bhb_loop+0x15/0x70
<4>[  688.447434] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.447587] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.447590] RDX: 0000000000000000 RSI: 0000000003e1347d RDI: 0000000000000000
<4>[  688.447592] RBP: ffffc90001d6f248 R08: 0000000000277c7c R09: 0000000000000001
<4>[  688.447593] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b84
<4>[  688.447595] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7c003
<4>[  688.447596] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.447598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.447600] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.447601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.447603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.447604] Call Trace:
<4>[  688.447605]  <TASK>
<4>[  688.447607]  ? show_regs+0x6c/0x80
<4>[  688.447610]  ? __warn+0x93/0x1c0
<4>[  688.447614]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.447618]  ? report_bug+0x182/0x1b0
<4>[  688.447623]  ? handle_bug+0x6e/0xb0
<4>[  688.447625]  ? exc_invalid_op+0x18/0x80
<4>[  688.447628]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.447637]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.447641]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.447644]  ? mark_held_locks+0x46/0x90
<4>[  688.447655]  __iommu_map+0x119/0x2c0
<4>[  688.447664]  iommu_map_sg+0xbf/0x210
<4>[  688.447671]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.447681]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.447686]  dma_map_sgtable+0x1d/0x40
<4>[  688.447690]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.447842]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.449970] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.450128] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.450135] RDX: 0000000000000000 RSI: 0000000003e1347e RDI: 0000000000000000
<4>[  688.450137] RBP: ffffc90001d6f248 R08: 0000000000277c7d R09: 0000000000000001
<4>[  688.450138] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b83
<4>[  688.450140] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7d003
<4>[  688.450141] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.450143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.450144] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.450146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.450147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.450149] Call Trace:
<4>[  688.450150]  <TASK>
<4>[  688.450152]  ? show_regs+0x6c/0x80
<4>[  688.450155]  ? __warn+0x93/0x1c0
<4>[  688.450158]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.450162]  ? report_bug+0x182/0x1b0
<4>[  688.450167]  ? handle_bug+0x6e/0xb0
<4>[  688.450170]  ? exc_invalid_op+0x18/0x80
<4>[  688.450173]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.450182]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.450185]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.450188]  ? mark_held_locks+0x46/0x90
<4>[  688.450200]  __iommu_map+0x119/0x2c0
<4>[  688.450209]  iommu_map_sg+0xbf/0x210
<4>[  688.450221]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.450231]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.450236]  dma_map_sgtable+0x1d/0x40
<4>[  688.450240]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.450393]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.452512]  ? clear_bhb_loop+0x15/0x70
<4>[  688.452531] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.452683] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.452687] RDX: 0000000000000000 RSI: 0000000003e1347f RDI: 0000000000000000
<4>[  688.452688] RBP: ffffc90001d6f248 R08: 0000000000277c7e R09: 0000000000000001
<4>[  688.452690] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b82
<4>[  688.452691] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7e003
<4>[  688.452693] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.452694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.452696] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.452698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.452699] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.452700] Call Trace:
<4>[  688.452702]  <TASK>
<4>[  688.452703]  ? show_regs+0x6c/0x80
<4>[  688.452707]  ? __warn+0x93/0x1c0
<4>[  688.452710]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.452714]  ? report_bug+0x182/0x1b0
<4>[  688.452719]  ? handle_bug+0x6e/0xb0
<4>[  688.452721]  ? exc_invalid_op+0x18/0x80
<4>[  688.452724]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.452733]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.452737]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.452740]  ? mark_held_locks+0x46/0x90
<4>[  688.452751]  __iommu_map+0x119/0x2c0
<4>[  688.452760]  iommu_map_sg+0xbf/0x210
<4>[  688.452767]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.452777]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.452783]  dma_map_sgtable+0x1d/0x40
<4>[  688.452786]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.452939]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.455069] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.455232] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.455239] RDX: 0000000000000000 RSI: 0000000003e13480 RDI: 0000000000000000
<4>[  688.455241] RBP: ffffc90001d6f248 R08: 0000000000277c7f R09: 0000000000000001
<4>[  688.455242] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b81
<4>[  688.455243] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c7f003
<4>[  688.455245] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.455247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.455248] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.455250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.455251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.455253] Call Trace:
<4>[  688.455254]  <TASK>
<4>[  688.455256]  ? show_regs+0x6c/0x80
<4>[  688.455259]  ? __warn+0x93/0x1c0
<4>[  688.455262]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.455266]  ? report_bug+0x182/0x1b0
<4>[  688.455271]  ? handle_bug+0x6e/0xb0
<4>[  688.455274]  ? exc_invalid_op+0x18/0x80
<4>[  688.455277]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.455286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.455289]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.455293]  ? mark_held_locks+0x46/0x90
<4>[  688.455304]  __iommu_map+0x119/0x2c0
<4>[  688.455313]  iommu_map_sg+0xbf/0x210
<4>[  688.455320]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.455330]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.455336]  dma_map_sgtable+0x1d/0x40
<4>[  688.455339]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.455492]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.457613]  ? clear_bhb_loop+0x15/0x70
<4>[  688.457630] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.457784] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.457788] RDX: 0000000000000000 RSI: 0000000003e13481 RDI: 0000000000000000
<4>[  688.457789] RBP: ffffc90001d6f248 R08: 0000000000277c80 R09: 0000000000000001
<4>[  688.457790] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b80
<4>[  688.457792] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c80003
<4>[  688.457793] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.457795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.457797] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.457798] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.457800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.457801] Call Trace:
<4>[  688.457802]  <TASK>
<4>[  688.457804]  ? show_regs+0x6c/0x80
<4>[  688.457808]  ? __warn+0x93/0x1c0
<4>[  688.457811]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.457815]  ? report_bug+0x182/0x1b0
<4>[  688.457820]  ? handle_bug+0x6e/0xb0
<4>[  688.457822]  ? exc_invalid_op+0x18/0x80
<4>[  688.457825]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.457834]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.457838]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.457841]  ? mark_held_locks+0x46/0x90
<4>[  688.457852]  __iommu_map+0x119/0x2c0
<4>[  688.457861]  iommu_map_sg+0xbf/0x210
<4>[  688.457868]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.457878]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.457883]  dma_map_sgtable+0x1d/0x40
<4>[  688.457887]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.458040]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.460158]  ? clear_bhb_loop+0x15/0x70
<4>[  688.460192] hardirqs last disabled at (234265870): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.460338] RDX: 0000000000000000 RSI: 0000000003e13482 RDI: 0000000000000000
<4>[  688.460339] RBP: ffffc90001d6f248 R08: 0000000000277c81 R09: 0000000000000001
<4>[  688.460341] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7f
<4>[  688.460342] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c81003
<4>[  688.460344] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.460345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.460347] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.460349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.460350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.460352] Call Trace:
<4>[  688.460353]  <TASK>
<4>[  688.460355]  ? show_regs+0x6c/0x80
<4>[  688.460358]  ? __warn+0x93/0x1c0
<4>[  688.460362]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.460366]  ? report_bug+0x182/0x1b0
<4>[  688.460371]  ? handle_bug+0x6e/0xb0
<4>[  688.460373]  ? exc_invalid_op+0x18/0x80
<4>[  688.460376]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.460385]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.460389]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.460392]  ? mark_held_locks+0x46/0x90
<4>[  688.460403]  __iommu_map+0x119/0x2c0
<4>[  688.460412]  iommu_map_sg+0xbf/0x210
<4>[  688.460419]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.460429]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.460435]  dma_map_sgtable+0x1d/0x40
<4>[  688.460438]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.460592]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.462656]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.462721] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.462882] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.462886] RDX: 0000000000000000 RSI: 0000000003e13483 RDI: 0000000000000000
<4>[  688.462887] RBP: ffffc90001d6f248 R08: 0000000000277c82 R09: 0000000000000001
<4>[  688.462889] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7e
<4>[  688.462890] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c82003
<4>[  688.462892] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.462893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.462895] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.462897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.462898] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.462899] Call Trace:
<4>[  688.462901]  <TASK>
<4>[  688.462902]  ? show_regs+0x6c/0x80
<4>[  688.462906]  ? __warn+0x93/0x1c0
<4>[  688.462909]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.462913]  ? report_bug+0x182/0x1b0
<4>[  688.462918]  ? handle_bug+0x6e/0xb0
<4>[  688.462921]  ? exc_invalid_op+0x18/0x80
<4>[  688.462923]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.462932]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.462936]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.462939]  ? mark_held_locks+0x46/0x90
<4>[  688.462950]  __iommu_map+0x119/0x2c0
<4>[  688.462959]  iommu_map_sg+0xbf/0x210
<4>[  688.462966]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.462976]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.462982]  dma_map_sgtable+0x1d/0x40
<4>[  688.462985]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.463138]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.465263]  ? clear_bhb_loop+0x15/0x70
<4>[  688.465298] hardirqs last disabled at (234273846): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.465438] RDX: 0000000000000000 RSI: 0000000003e13484 RDI: 0000000000000000
<4>[  688.465440] RBP: ffffc90001d6f248 R08: 0000000000277c83 R09: 0000000000000001
<4>[  688.465441] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7d
<4>[  688.465443] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c83003
<4>[  688.465444] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.465446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.465448] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.465449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.465451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.465452] Call Trace:
<4>[  688.465453]  <TASK>
<4>[  688.465455]  ? show_regs+0x6c/0x80
<4>[  688.465458]  ? __warn+0x93/0x1c0
<4>[  688.465462]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.465466]  ? report_bug+0x182/0x1b0
<4>[  688.465471]  ? handle_bug+0x6e/0xb0
<4>[  688.465473]  ? exc_invalid_op+0x18/0x80
<4>[  688.465476]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.465485]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.465489]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.465491]  ? mark_held_locks+0x46/0x90
<4>[  688.465503]  __iommu_map+0x119/0x2c0
<4>[  688.465512]  iommu_map_sg+0xbf/0x210
<4>[  688.465519]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.465529]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.465534]  dma_map_sgtable+0x1d/0x40
<4>[  688.465538]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.465691]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.467757]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.467825] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.467980] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.467987] RDX: 0000000000000000 RSI: 0000000003e13485 RDI: 0000000000000000
<4>[  688.467989] RBP: ffffc90001d6f248 R08: 0000000000277c84 R09: 0000000000000001
<4>[  688.467990] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7c
<4>[  688.467992] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c84003
<4>[  688.467993] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.467995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.467996] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.467998] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.467999] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.468001] Call Trace:
<4>[  688.468002]  <TASK>
<4>[  688.468004]  ? show_regs+0x6c/0x80
<4>[  688.468007]  ? __warn+0x93/0x1c0
<4>[  688.468010]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.468014]  ? report_bug+0x182/0x1b0
<4>[  688.468019]  ? handle_bug+0x6e/0xb0
<4>[  688.468022]  ? exc_invalid_op+0x18/0x80
<4>[  688.468025]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.468034]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.468037]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.468040]  ? mark_held_locks+0x46/0x90
<4>[  688.468052]  __iommu_map+0x119/0x2c0
<4>[  688.468061]  iommu_map_sg+0xbf/0x210
<4>[  688.468068]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.468078]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.468083]  dma_map_sgtable+0x1d/0x40
<4>[  688.468086]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.468244]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.470363]  ? clear_bhb_loop+0x15/0x70
<4>[  688.470393]  </TASK>
<4>[  688.470401] softirqs last  enabled at (234280952): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.470539] RDX: 0000000000000000 RSI: 0000000003e13486 RDI: 0000000000000000
<4>[  688.470541] RBP: ffffc90001d6f248 R08: 0000000000277c85 R09: 0000000000000001
<4>[  688.470542] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7b
<4>[  688.470544] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c85003
<4>[  688.470545] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.470547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.470548] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.470550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.470551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.470553] Call Trace:
<4>[  688.470554]  <TASK>
<4>[  688.470556]  ? show_regs+0x6c/0x80
<4>[  688.470559]  ? __warn+0x93/0x1c0
<4>[  688.470562]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.470566]  ? report_bug+0x182/0x1b0
<4>[  688.470571]  ? handle_bug+0x6e/0xb0
<4>[  688.470574]  ? exc_invalid_op+0x18/0x80
<4>[  688.470577]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.470586]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.470589]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.470592]  ? mark_held_locks+0x46/0x90
<4>[  688.470603]  __iommu_map+0x119/0x2c0
<4>[  688.470612]  iommu_map_sg+0xbf/0x210
<4>[  688.470620]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.470630]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.470635]  dma_map_sgtable+0x1d/0x40
<4>[  688.470638]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.470792]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.472911]  ? clear_bhb_loop+0x15/0x70
<4>[  688.472928] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.473082] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.473085] RDX: 0000000000000000 RSI: 0000000003e13487 RDI: 0000000000000000
<4>[  688.473087] RBP: ffffc90001d6f248 R08: 0000000000277c86 R09: 0000000000000001
<4>[  688.473088] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b7a
<4>[  688.473090] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c86003
<4>[  688.473091] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.473093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.473095] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.473096] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.473098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.473099] Call Trace:
<4>[  688.473100]  <TASK>
<4>[  688.473102]  ? show_regs+0x6c/0x80
<4>[  688.473105]  ? __warn+0x93/0x1c0
<4>[  688.473109]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.473112]  ? report_bug+0x182/0x1b0
<4>[  688.473118]  ? handle_bug+0x6e/0xb0
<4>[  688.473120]  ? exc_invalid_op+0x18/0x80
<4>[  688.473123]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.473132]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.473136]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.473139]  ? mark_held_locks+0x46/0x90
<4>[  688.473150]  __iommu_map+0x119/0x2c0
<4>[  688.473159]  iommu_map_sg+0xbf/0x210
<4>[  688.473166]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.473176]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.473181]  dma_map_sgtable+0x1d/0x40
<4>[  688.473185]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.473342]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.475470] 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>[  688.475636] RDX: 0000000000000000 RSI: 0000000003e13488 RDI: 0000000000000000
<4>[  688.475638] RBP: ffffc90001d6f248 R08: 0000000000277c87 R09: 0000000000000001
<4>[  688.475639] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b79
<4>[  688.475641] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c87003
<4>[  688.475642] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.475644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.475646] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.475647] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.475649] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.475650] Call Trace:
<4>[  688.475651]  <TASK>
<4>[  688.475653]  ? show_regs+0x6c/0x80
<4>[  688.475657]  ? __warn+0x93/0x1c0
<4>[  688.475660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.475664]  ? report_bug+0x182/0x1b0
<4>[  688.475669]  ? handle_bug+0x6e/0xb0
<4>[  688.475671]  ? exc_invalid_op+0x18/0x80
<4>[  688.475674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.475683]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.475687]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.475690]  ? mark_held_locks+0x46/0x90
<4>[  688.475701]  __iommu_map+0x119/0x2c0
<4>[  688.475710]  iommu_map_sg+0xbf/0x210
<4>[  688.475717]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.475727]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.475732]  dma_map_sgtable+0x1d/0x40
<4>[  688.477794]  drm_ioctl+0x2de/0x5a0
<4>[  688.478018] 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>[  688.478184] RDX: 0000000000000000 RSI: 0000000003e13489 RDI: 0000000000000000
<4>[  688.478186] RBP: ffffc90001d6f248 R08: 0000000000277c88 R09: 0000000000000001
<4>[  688.478187] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b78
<4>[  688.478189] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c88003
<4>[  688.478190] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.478192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.478193] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.478195] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.478196] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.478198] Call Trace:
<4>[  688.478199]  <TASK>
<4>[  688.478201]  ? show_regs+0x6c/0x80
<4>[  688.478204]  ? __warn+0x93/0x1c0
<4>[  688.478207]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.478211]  ? report_bug+0x182/0x1b0
<4>[  688.478221]  ? handle_bug+0x6e/0xb0
<4>[  688.478224]  ? exc_invalid_op+0x18/0x80
<4>[  688.478227]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.478236]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.478240]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.478243]  ? mark_held_locks+0x46/0x90
<4>[  688.478254]  __iommu_map+0x119/0x2c0
<4>[  688.478263]  iommu_map_sg+0xbf/0x210
<4>[  688.478270]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.478280]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.478285]  dma_map_sgtable+0x1d/0x40
<4>[  688.480504]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.480572] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.480726] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.480734] RDX: 0000000000000000 RSI: 0000000003e1348a RDI: 0000000000000000
<4>[  688.480735] RBP: ffffc90001d6f248 R08: 0000000000277c89 R09: 0000000000000001
<4>[  688.480737] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b77
<4>[  688.480738] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c89003
<4>[  688.480740] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.480742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.480743] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.480745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.480746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.480747] Call Trace:
<4>[  688.480749]  <TASK>
<4>[  688.480750]  ? show_regs+0x6c/0x80
<4>[  688.480754]  ? __warn+0x93/0x1c0
<4>[  688.480757]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.480761]  ? report_bug+0x182/0x1b0
<4>[  688.480766]  ? handle_bug+0x6e/0xb0
<4>[  688.480769]  ? exc_invalid_op+0x18/0x80
<4>[  688.480772]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.480781]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.480784]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.480787]  ? mark_held_locks+0x46/0x90
<4>[  688.480798]  __iommu_map+0x119/0x2c0
<4>[  688.480807]  iommu_map_sg+0xbf/0x210
<4>[  688.480814]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.480824]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.480830]  dma_map_sgtable+0x1d/0x40
<4>[  688.480833]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.480986]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.483106]  ? clear_bhb_loop+0x15/0x70
<4>[  688.483123] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.483283] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.483286] RDX: 0000000000000000 RSI: 0000000003e1348b RDI: 0000000000000000
<4>[  688.483288] RBP: ffffc90001d6f248 R08: 0000000000277c8a R09: 0000000000000001
<4>[  688.483290] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b76
<4>[  688.483291] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8a003
<4>[  688.483293] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.483294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.483296] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.483298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.483299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.483301] Call Trace:
<4>[  688.483302]  <TASK>
<4>[  688.483304]  ? show_regs+0x6c/0x80
<4>[  688.483307]  ? __warn+0x93/0x1c0
<4>[  688.483311]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.483315]  ? report_bug+0x182/0x1b0
<4>[  688.483320]  ? handle_bug+0x6e/0xb0
<4>[  688.483322]  ? exc_invalid_op+0x18/0x80
<4>[  688.483325]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.483334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.483338]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.483341]  ? mark_held_locks+0x46/0x90
<4>[  688.483352]  __iommu_map+0x119/0x2c0
<4>[  688.483361]  iommu_map_sg+0xbf/0x210
<4>[  688.483368]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.483378]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.483384]  dma_map_sgtable+0x1d/0x40
<4>[  688.483387]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.483540]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.485661]  ? clear_bhb_loop+0x15/0x70
<4>[  688.485696] hardirqs last disabled at (234305712): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.485836] RDX: 0000000000000000 RSI: 0000000003e1348c RDI: 0000000000000000
<4>[  688.485837] RBP: ffffc90001d6f248 R08: 0000000000277c8b R09: 0000000000000001
<4>[  688.485839] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b75
<4>[  688.485840] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8b003
<4>[  688.485842] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.485844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.485845] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.485847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.485848] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.485850] Call Trace:
<4>[  688.485851]  <TASK>
<4>[  688.485852]  ? show_regs+0x6c/0x80
<4>[  688.485856]  ? __warn+0x93/0x1c0
<4>[  688.485859]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.485863]  ? report_bug+0x182/0x1b0
<4>[  688.485868]  ? handle_bug+0x6e/0xb0
<4>[  688.485871]  ? exc_invalid_op+0x18/0x80
<4>[  688.485874]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.485883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.485886]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.485889]  ? mark_held_locks+0x46/0x90
<4>[  688.485900]  __iommu_map+0x119/0x2c0
<4>[  688.485909]  iommu_map_sg+0xbf/0x210
<4>[  688.485916]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.485926]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.485932]  dma_map_sgtable+0x1d/0x40
<4>[  688.485935]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.486088]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.488201]  ? irqentry_exit+0x77/0xb0
<4>[  688.488227] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.488384] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.488387] RDX: 0000000000000000 RSI: 0000000003e1348d RDI: 0000000000000000
<4>[  688.488389] RBP: ffffc90001d6f248 R08: 0000000000277c8c R09: 0000000000000001
<4>[  688.488390] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b74
<4>[  688.488392] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8c003
<4>[  688.488393] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.488395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.488397] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.488398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.488400] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.488401] Call Trace:
<4>[  688.488402]  <TASK>
<4>[  688.488404]  ? show_regs+0x6c/0x80
<4>[  688.488408]  ? __warn+0x93/0x1c0
<4>[  688.488411]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.488415]  ? report_bug+0x182/0x1b0
<4>[  688.488420]  ? handle_bug+0x6e/0xb0
<4>[  688.488422]  ? exc_invalid_op+0x18/0x80
<4>[  688.488425]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.488434]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.488438]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.488441]  ? mark_held_locks+0x46/0x90
<4>[  688.488452]  __iommu_map+0x119/0x2c0
<4>[  688.488461]  iommu_map_sg+0xbf/0x210
<4>[  688.488468]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.488478]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.488483]  dma_map_sgtable+0x1d/0x40
<4>[  688.488487]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.488640]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.490759]  ? clear_bhb_loop+0x15/0x70
<4>[  688.490790] irq event stamp: 234313669
<4>[  688.490900]  pinctrl_cannonlake mei intel_pmc_core intel_pch_thermal pmt_telemetry pmt_class intel_vsec wmi input_leds acpi_pad acpi_tad serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_damage_helper_test]
<4>[  688.490937] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b73
<4>[  688.490939] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8d003
<4>[  688.490940] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.490942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.490943] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.490945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.490946] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.490948] Call Trace:
<4>[  688.490949]  <TASK>
<4>[  688.490951]  ? show_regs+0x6c/0x80
<4>[  688.490954]  ? __warn+0x93/0x1c0
<4>[  688.490957]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.490961]  ? report_bug+0x182/0x1b0
<4>[  688.490966]  ? handle_bug+0x6e/0xb0
<4>[  688.490969]  ? exc_invalid_op+0x18/0x80
<4>[  688.490972]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.490981]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.490984]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.490987]  ? mark_held_locks+0x46/0x90
<4>[  688.490998]  __iommu_map+0x119/0x2c0
<4>[  688.491008]  iommu_map_sg+0xbf/0x210
<4>[  688.491015]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.491025]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.491030]  dma_map_sgtable+0x1d/0x40
<4>[  688.491187]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.493324] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.493482] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.493489] RDX: 0000000000000000 RSI: 0000000003e1348f RDI: 0000000000000000
<4>[  688.493491] RBP: ffffc90001d6f248 R08: 0000000000277c8e R09: 0000000000000001
<4>[  688.493492] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b72
<4>[  688.493494] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8e003
<4>[  688.493495] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.493497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.493498] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.493500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.493501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.493503] Call Trace:
<4>[  688.493504]  <TASK>
<4>[  688.493506]  ? show_regs+0x6c/0x80
<4>[  688.493509]  ? __warn+0x93/0x1c0
<4>[  688.493513]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.493516]  ? report_bug+0x182/0x1b0
<4>[  688.493521]  ? handle_bug+0x6e/0xb0
<4>[  688.493524]  ? exc_invalid_op+0x18/0x80
<4>[  688.493527]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.493536]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.493539]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.493542]  ? mark_held_locks+0x46/0x90
<4>[  688.493554]  __iommu_map+0x119/0x2c0
<4>[  688.493563]  iommu_map_sg+0xbf/0x210
<4>[  688.493570]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.493580]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.493585]  dma_map_sgtable+0x1d/0x40
<4>[  688.493589]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.493741]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.495858]  ? irqentry_exit+0x77/0xb0
<4>[  688.495882] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.496036] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.496039] RDX: 0000000000000000 RSI: 0000000003e13490 RDI: 0000000000000000
<4>[  688.496041] RBP: ffffc90001d6f248 R08: 0000000000277c8f R09: 0000000000000001
<4>[  688.496042] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b71
<4>[  688.496044] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c8f003
<4>[  688.496045] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.496047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.496048] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.496050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.496051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.496053] Call Trace:
<4>[  688.496054]  <TASK>
<4>[  688.496056]  ? show_regs+0x6c/0x80
<4>[  688.496059]  ? __warn+0x93/0x1c0
<4>[  688.496063]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.496067]  ? report_bug+0x182/0x1b0
<4>[  688.496072]  ? handle_bug+0x6e/0xb0
<4>[  688.496074]  ? exc_invalid_op+0x18/0x80
<4>[  688.496077]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.496086]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.496090]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.496093]  ? mark_held_locks+0x46/0x90
<4>[  688.496104]  __iommu_map+0x119/0x2c0
<4>[  688.496113]  iommu_map_sg+0xbf/0x210
<4>[  688.496120]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.496130]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.496135]  dma_map_sgtable+0x1d/0x40
<4>[  688.496139]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.496296]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.498426] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.498584] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.498592] RDX: 0000000000000000 RSI: 0000000003e13491 RDI: 0000000000000000
<4>[  688.498593] RBP: ffffc90001d6f248 R08: 0000000000277c90 R09: 0000000000000001
<4>[  688.498595] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b70
<4>[  688.498596] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c90003
<4>[  688.498598] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.498599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.498601] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.498602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.498604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.498605] Call Trace:
<4>[  688.498606]  <TASK>
<4>[  688.498608]  ? show_regs+0x6c/0x80
<4>[  688.498612]  ? __warn+0x93/0x1c0
<4>[  688.498615]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.498619]  ? report_bug+0x182/0x1b0
<4>[  688.498624]  ? handle_bug+0x6e/0xb0
<4>[  688.498626]  ? exc_invalid_op+0x18/0x80
<4>[  688.498629]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.498638]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.498642]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.498645]  ? mark_held_locks+0x46/0x90
<4>[  688.498656]  __iommu_map+0x119/0x2c0
<4>[  688.498665]  iommu_map_sg+0xbf/0x210
<4>[  688.498672]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.498682]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.498687]  dma_map_sgtable+0x1d/0x40
<4>[  688.498691]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.498844]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.500937]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.500999] hardirqs last disabled at (234329616): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.501139] RDX: 0000000000000000 RSI: 0000000003e13492 RDI: 0000000000000000
<4>[  688.501140] RBP: ffffc90001d6f248 R08: 0000000000277c91 R09: 0000000000000001
<4>[  688.501142] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6f
<4>[  688.501143] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c91003
<4>[  688.501145] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.501147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.501148] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.501150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.501151] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.501153] Call Trace:
<4>[  688.501154]  <TASK>
<4>[  688.501156]  ? show_regs+0x6c/0x80
<4>[  688.501159]  ? __warn+0x93/0x1c0
<4>[  688.501162]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.501166]  ? report_bug+0x182/0x1b0
<4>[  688.501171]  ? handle_bug+0x6e/0xb0
<4>[  688.501174]  ? exc_invalid_op+0x18/0x80
<4>[  688.501177]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.501186]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.501189]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.501192]  ? mark_held_locks+0x46/0x90
<4>[  688.501203]  __iommu_map+0x119/0x2c0
<4>[  688.501212]  iommu_map_sg+0xbf/0x210
<4>[  688.501225]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.501235]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.501240]  dma_map_sgtable+0x1d/0x40
<4>[  688.501243]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.501397]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.503475]  ? __vm_munmap+0xd7/0x1b0
<4>[  688.503528] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.503681] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.503688] RDX: 0000000000000000 RSI: 0000000003e13493 RDI: 0000000000000000
<4>[  688.503690] RBP: ffffc90001d6f248 R08: 0000000000277c92 R09: 0000000000000001
<4>[  688.503691] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6e
<4>[  688.503693] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c92003
<4>[  688.503694] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.503696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.503698] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.503699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.503700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.503702] Call Trace:
<4>[  688.503703]  <TASK>
<4>[  688.503705]  ? show_regs+0x6c/0x80
<4>[  688.503708]  ? __warn+0x93/0x1c0
<4>[  688.503712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.503715]  ? report_bug+0x182/0x1b0
<4>[  688.503721]  ? handle_bug+0x6e/0xb0
<4>[  688.503723]  ? exc_invalid_op+0x18/0x80
<4>[  688.503726]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.503735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.503739]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.503742]  ? mark_held_locks+0x46/0x90
<4>[  688.503753]  __iommu_map+0x119/0x2c0
<4>[  688.503762]  iommu_map_sg+0xbf/0x210
<4>[  688.503769]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.503779]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.503784]  dma_map_sgtable+0x1d/0x40
<4>[  688.503788]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.503941]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.506060]  ? clear_bhb_loop+0x15/0x70
<4>[  688.506089]  </TASK>
<4>[  688.506096] softirqs last  enabled at (234335804): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.506240] RDX: 0000000000000000 RSI: 0000000003e13494 RDI: 0000000000000000
<4>[  688.506241] RBP: ffffc90001d6f248 R08: 0000000000277c93 R09: 0000000000000001
<4>[  688.506243] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6d
<4>[  688.506244] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c93003
<4>[  688.506246] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.506247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.506249] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.506251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.506252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.506253] Call Trace:
<4>[  688.506255]  <TASK>
<4>[  688.506256]  ? show_regs+0x6c/0x80
<4>[  688.506260]  ? __warn+0x93/0x1c0
<4>[  688.506263]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.506267]  ? report_bug+0x182/0x1b0
<4>[  688.506272]  ? handle_bug+0x6e/0xb0
<4>[  688.506275]  ? exc_invalid_op+0x18/0x80
<4>[  688.506278]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.506287]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.506291]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.506294]  ? mark_held_locks+0x46/0x90
<4>[  688.506305]  __iommu_map+0x119/0x2c0
<4>[  688.506314]  iommu_map_sg+0xbf/0x210
<4>[  688.506321]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.506331]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.506337]  dma_map_sgtable+0x1d/0x40
<4>[  688.506340]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.506493]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.508612]  ? clear_bhb_loop+0x15/0x70
<4>[  688.508629] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.508783] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.508786] RDX: 0000000000000000 RSI: 0000000003e13495 RDI: 0000000000000000
<4>[  688.508788] RBP: ffffc90001d6f248 R08: 0000000000277c94 R09: 0000000000000001
<4>[  688.508789] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6c
<4>[  688.508791] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c94003
<4>[  688.508792] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.508794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.508796] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.508797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.508799] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.508800] Call Trace:
<4>[  688.508801]  <TASK>
<4>[  688.508803]  ? show_regs+0x6c/0x80
<4>[  688.508807]  ? __warn+0x93/0x1c0
<4>[  688.508810]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.508814]  ? report_bug+0x182/0x1b0
<4>[  688.508819]  ? handle_bug+0x6e/0xb0
<4>[  688.508821]  ? exc_invalid_op+0x18/0x80
<4>[  688.508824]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.508833]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.508837]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.508840]  ? mark_held_locks+0x46/0x90
<4>[  688.508851]  __iommu_map+0x119/0x2c0
<4>[  688.508860]  iommu_map_sg+0xbf/0x210
<4>[  688.508867]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.508877]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.508882]  dma_map_sgtable+0x1d/0x40
<4>[  688.508886]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.509354]  ? lock_acquire+0xc9/0x300
<4>[  688.511157]  ? clear_bhb_loop+0x15/0x70
<4>[  688.511175] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.511333] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.511337] RDX: 0000000000000000 RSI: 0000000003e13496 RDI: 0000000000000000
<4>[  688.511338] RBP: ffffc90001d6f248 R08: 0000000000277c95 R09: 0000000000000001
<4>[  688.511340] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6b
<4>[  688.511341] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c95003
<4>[  688.511343] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.511345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.511346] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.511348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.511349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.511351] Call Trace:
<4>[  688.511352]  <TASK>
<4>[  688.511354]  ? show_regs+0x6c/0x80
<4>[  688.511358]  ? __warn+0x93/0x1c0
<4>[  688.511361]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.511365]  ? report_bug+0x182/0x1b0
<4>[  688.511370]  ? handle_bug+0x6e/0xb0
<4>[  688.511373]  ? exc_invalid_op+0x18/0x80
<4>[  688.511376]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.511385]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.511388]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.511391]  ? mark_held_locks+0x46/0x90
<4>[  688.511402]  __iommu_map+0x119/0x2c0
<4>[  688.511411]  iommu_map_sg+0xbf/0x210
<4>[  688.511419]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.511429]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.511434]  dma_map_sgtable+0x1d/0x40
<4>[  688.511438]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.511590]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.513717] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.513874] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.513881] RDX: 0000000000000000 RSI: 0000000003e13497 RDI: 0000000000000000
<4>[  688.513883] RBP: ffffc90001d6f248 R08: 0000000000277c96 R09: 0000000000000001
<4>[  688.513884] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b6a
<4>[  688.513886] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c96003
<4>[  688.513887] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.513889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.513890] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.513892] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.513893] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.513895] Call Trace:
<4>[  688.513896]  <TASK>
<4>[  688.513898]  ? show_regs+0x6c/0x80
<4>[  688.513901]  ? __warn+0x93/0x1c0
<4>[  688.513905]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.513909]  ? report_bug+0x182/0x1b0
<4>[  688.513914]  ? handle_bug+0x6e/0xb0
<4>[  688.513916]  ? exc_invalid_op+0x18/0x80
<4>[  688.513919]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.513928]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.513932]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.513935]  ? mark_held_locks+0x46/0x90
<4>[  688.513946]  __iommu_map+0x119/0x2c0
<4>[  688.513955]  iommu_map_sg+0xbf/0x210
<4>[  688.513962]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.513972]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.513977]  dma_map_sgtable+0x1d/0x40
<4>[  688.513981]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.514134]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.516261]  ? clear_bhb_loop+0x15/0x70
<4>[  688.516293] hardirqs last  enabled at (234353523): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.516436] RDX: 0000000000000000 RSI: 0000000003e13498 RDI: 0000000000000000
<4>[  688.516438] RBP: ffffc90001d6f248 R08: 0000000000277c97 R09: 0000000000000001
<4>[  688.516439] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b69
<4>[  688.516441] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c97003
<4>[  688.516442] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.516444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.516445] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.516447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.516448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.516450] Call Trace:
<4>[  688.516451]  <TASK>
<4>[  688.516453]  ? show_regs+0x6c/0x80
<4>[  688.516456]  ? __warn+0x93/0x1c0
<4>[  688.516459]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.516463]  ? report_bug+0x182/0x1b0
<4>[  688.516468]  ? handle_bug+0x6e/0xb0
<4>[  688.516471]  ? exc_invalid_op+0x18/0x80
<4>[  688.516474]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.516483]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.516486]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.516489]  ? mark_held_locks+0x46/0x90
<4>[  688.516500]  __iommu_map+0x119/0x2c0
<4>[  688.516509]  iommu_map_sg+0xbf/0x210
<4>[  688.516516]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.516526]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.516532]  dma_map_sgtable+0x1d/0x40
<4>[  688.516535]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.516688]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.518755]  x64_sys_call+0x131e/0x2650
<4>[  688.518820] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.518975] 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>[  688.518982] RBP: ffffc90001d6f248 R08: 0000000000277c98 R09: 0000000000000001
<4>[  688.518983] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b68
<4>[  688.518985] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c98003
<4>[  688.518986] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.518988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.518990] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.518991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.518993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.518994] Call Trace:
<4>[  688.518995]  <TASK>
<4>[  688.518997]  ? show_regs+0x6c/0x80
<4>[  688.519000]  ? __warn+0x93/0x1c0
<4>[  688.519004]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.519008]  ? report_bug+0x182/0x1b0
<4>[  688.519013]  ? handle_bug+0x6e/0xb0
<4>[  688.519015]  ? exc_invalid_op+0x18/0x80
<4>[  688.519018]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.519027]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.519031]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.519034]  ? mark_held_locks+0x46/0x90
<4>[  688.519045]  __iommu_map+0x119/0x2c0
<4>[  688.519054]  iommu_map_sg+0xbf/0x210
<4>[  688.519061]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.519071]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.519852]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.521373] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.521529] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.521533] RDX: 0000000000000000 RSI: 0000000003e1349a RDI: 0000000000000000
<4>[  688.521535] RBP: ffffc90001d6f248 R08: 0000000000277c99 R09: 0000000000000001
<4>[  688.521536] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b67
<4>[  688.521538] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c99003
<4>[  688.521539] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.521541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.521542] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.521544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.521545] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.521547] Call Trace:
<4>[  688.521548]  <TASK>
<4>[  688.521550]  ? show_regs+0x6c/0x80
<4>[  688.521553]  ? __warn+0x93/0x1c0
<4>[  688.521556]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.521560]  ? report_bug+0x182/0x1b0
<4>[  688.521565]  ? handle_bug+0x6e/0xb0
<4>[  688.521568]  ? exc_invalid_op+0x18/0x80
<4>[  688.521571]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.521580]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.521583]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.521586]  ? mark_held_locks+0x46/0x90
<4>[  688.521597]  __iommu_map+0x119/0x2c0
<4>[  688.521607]  iommu_map_sg+0xbf/0x210
<4>[  688.521614]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.521624]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.521629]  dma_map_sgtable+0x1d/0x40
<4>[  688.521633]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.521785]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.523906]  ? clear_bhb_loop+0x15/0x70
<4>[  688.523935]  </TASK>
<4>[  688.523942] softirqs last  enabled at (234363744): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.524080] RDX: 0000000000000000 RSI: 0000000003e1349b RDI: 0000000000000000
<4>[  688.524081] RBP: ffffc90001d6f248 R08: 0000000000277c9a R09: 0000000000000001
<4>[  688.524083] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b66
<4>[  688.524084] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9a003
<4>[  688.524086] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.524088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.524089] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.524091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.524092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.524094] Call Trace:
<4>[  688.524095]  <TASK>
<4>[  688.524097]  ? show_regs+0x6c/0x80
<4>[  688.524100]  ? __warn+0x93/0x1c0
<4>[  688.524103]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.524107]  ? report_bug+0x182/0x1b0
<4>[  688.524112]  ? handle_bug+0x6e/0xb0
<4>[  688.524115]  ? exc_invalid_op+0x18/0x80
<4>[  688.524118]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.524127]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.524130]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.524133]  ? mark_held_locks+0x46/0x90
<4>[  688.524144]  __iommu_map+0x119/0x2c0
<4>[  688.524153]  iommu_map_sg+0xbf/0x210
<4>[  688.524161]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.524171]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.524176]  dma_map_sgtable+0x1d/0x40
<4>[  688.524179]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.524337]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.526458]  ? clear_bhb_loop+0x15/0x70
<4>[  688.526477] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.526629] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.526633] RDX: 0000000000000000 RSI: 0000000003e1349c RDI: 0000000000000000
<4>[  688.526634] RBP: ffffc90001d6f248 R08: 0000000000277c9b R09: 0000000000000001
<4>[  688.526636] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b65
<4>[  688.526637] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9b003
<4>[  688.526639] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.526640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.526642] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.526643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.526645] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.526646] Call Trace:
<4>[  688.526648]  <TASK>
<4>[  688.526649]  ? show_regs+0x6c/0x80
<4>[  688.526653]  ? __warn+0x93/0x1c0
<4>[  688.526656]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.526660]  ? report_bug+0x182/0x1b0
<4>[  688.526665]  ? handle_bug+0x6e/0xb0
<4>[  688.526668]  ? exc_invalid_op+0x18/0x80
<4>[  688.526671]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.526680]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.526683]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.526686]  ? mark_held_locks+0x46/0x90
<4>[  688.526697]  __iommu_map+0x119/0x2c0
<4>[  688.526706]  iommu_map_sg+0xbf/0x210
<4>[  688.526713]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.526723]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.526729]  dma_map_sgtable+0x1d/0x40
<4>[  688.526732]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.527195]  ? lock_acquire+0xc9/0x300
<4>[  688.529004]  ? clear_bhb_loop+0x15/0x70
<4>[  688.529022] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.529174] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.529178] RDX: 0000000000000000 RSI: 0000000003e1349d RDI: 0000000000000000
<4>[  688.529180] RBP: ffffc90001d6f248 R08: 0000000000277c9c R09: 0000000000000001
<4>[  688.529181] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b64
<4>[  688.529183] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9c003
<4>[  688.529184] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.529186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.529187] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.529189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.529190] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.529192] Call Trace:
<4>[  688.529193]  <TASK>
<4>[  688.529195]  ? show_regs+0x6c/0x80
<4>[  688.529198]  ? __warn+0x93/0x1c0
<4>[  688.529201]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.529205]  ? report_bug+0x182/0x1b0
<4>[  688.529210]  ? handle_bug+0x6e/0xb0
<4>[  688.529218]  ? exc_invalid_op+0x18/0x80
<4>[  688.529221]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.529230]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.529233]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.529236]  ? mark_held_locks+0x46/0x90
<4>[  688.529248]  __iommu_map+0x119/0x2c0
<4>[  688.529257]  iommu_map_sg+0xbf/0x210
<4>[  688.529264]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.529274]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.529279]  dma_map_sgtable+0x1d/0x40
<4>[  688.529283]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.529436]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.531554]  ? clear_bhb_loop+0x15/0x70
<4>[  688.531588] hardirqs last disabled at (234377432): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.531728] RDX: 0000000000000000 RSI: 0000000003e1349e RDI: 0000000000000000
<4>[  688.531730] RBP: ffffc90001d6f248 R08: 0000000000277c9d R09: 0000000000000001
<4>[  688.531731] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b63
<4>[  688.531732] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9d003
<4>[  688.531734] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.531736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.531737] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.531739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.531740] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.531742] Call Trace:
<4>[  688.531743]  <TASK>
<4>[  688.531745]  ? show_regs+0x6c/0x80
<4>[  688.531748]  ? __warn+0x93/0x1c0
<4>[  688.531751]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.531755]  ? report_bug+0x182/0x1b0
<4>[  688.531760]  ? handle_bug+0x6e/0xb0
<4>[  688.531763]  ? exc_invalid_op+0x18/0x80
<4>[  688.531766]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.531775]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.531778]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.531781]  ? mark_held_locks+0x46/0x90
<4>[  688.531792]  __iommu_map+0x119/0x2c0
<4>[  688.531801]  iommu_map_sg+0xbf/0x210
<4>[  688.531809]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.531819]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.531824]  dma_map_sgtable+0x1d/0x40
<4>[  688.531827]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.531981]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.534095]  ? irqentry_exit+0x77/0xb0
<4>[  688.534119] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.534278] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.534282] RDX: 0000000000000000 RSI: 0000000003e1349f RDI: 0000000000000000
<4>[  688.534283] RBP: ffffc90001d6f248 R08: 0000000000277c9e R09: 0000000000000001
<4>[  688.534285] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b62
<4>[  688.534287] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9e003
<4>[  688.534288] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.534290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.534292] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.534293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.534295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.534296] Call Trace:
<4>[  688.534298]  <TASK>
<4>[  688.534299]  ? show_regs+0x6c/0x80
<4>[  688.534303]  ? __warn+0x93/0x1c0
<4>[  688.534306]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.534310]  ? report_bug+0x182/0x1b0
<4>[  688.534316]  ? handle_bug+0x6e/0xb0
<4>[  688.534318]  ? exc_invalid_op+0x18/0x80
<4>[  688.534321]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.534330]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.534334]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.534337]  ? mark_held_locks+0x46/0x90
<4>[  688.534348]  __iommu_map+0x119/0x2c0
<4>[  688.534357]  iommu_map_sg+0xbf/0x210
<4>[  688.534364]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.534374]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.534380]  dma_map_sgtable+0x1d/0x40
<4>[  688.534383]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.534536]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.536656]  ? clear_bhb_loop+0x15/0x70
<4>[  688.536685]  </TASK>
<4>[  688.536692] softirqs last  enabled at (234384406): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.536830] RDX: 0000000000000000 RSI: 0000000003e134a0 RDI: 0000000000000000
<4>[  688.536831] RBP: ffffc90001d6f248 R08: 0000000000277c9f R09: 0000000000000001
<4>[  688.536833] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b61
<4>[  688.536834] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277c9f003
<4>[  688.536836] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.536838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.536839] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.536841] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.536842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.536843] Call Trace:
<4>[  688.536845]  <TASK>
<4>[  688.536846]  ? show_regs+0x6c/0x80
<4>[  688.536850]  ? __warn+0x93/0x1c0
<4>[  688.536853]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.536857]  ? report_bug+0x182/0x1b0
<4>[  688.536862]  ? handle_bug+0x6e/0xb0
<4>[  688.536864]  ? exc_invalid_op+0x18/0x80
<4>[  688.536867]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.536876]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.536880]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.536883]  ? mark_held_locks+0x46/0x90
<4>[  688.536894]  __iommu_map+0x119/0x2c0
<4>[  688.536903]  iommu_map_sg+0xbf/0x210
<4>[  688.536910]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.536920]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.536926]  dma_map_sgtable+0x1d/0x40
<4>[  688.536929]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.537082]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.539202]  ? clear_bhb_loop+0x15/0x70
<4>[  688.539240] hardirqs last  enabled at (234389387): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.539383] RDX: 0000000000000000 RSI: 0000000003e134a1 RDI: 0000000000000000
<4>[  688.539385] RBP: ffffc90001d6f248 R08: 0000000000277ca0 R09: 0000000000000001
<4>[  688.539386] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b60
<4>[  688.539387] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca0003
<4>[  688.539389] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.539391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.539392] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.539394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.539395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.539397] Call Trace:
<4>[  688.539398]  <TASK>
<4>[  688.539400]  ? show_regs+0x6c/0x80
<4>[  688.539403]  ? __warn+0x93/0x1c0
<4>[  688.539406]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.539410]  ? report_bug+0x182/0x1b0
<4>[  688.539415]  ? handle_bug+0x6e/0xb0
<4>[  688.539418]  ? exc_invalid_op+0x18/0x80
<4>[  688.539421]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.539430]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.539433]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.539436]  ? mark_held_locks+0x46/0x90
<4>[  688.539447]  __iommu_map+0x119/0x2c0
<4>[  688.539456]  iommu_map_sg+0xbf/0x210
<4>[  688.539464]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.539473]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.539479]  dma_map_sgtable+0x1d/0x40
<4>[  688.539482]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.539636]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.541700]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.541765] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.541922] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.541930] RDX: 0000000000000000 RSI: 0000000003e134a2 RDI: 0000000000000000
<4>[  688.541931] RBP: ffffc90001d6f248 R08: 0000000000277ca1 R09: 0000000000000001
<4>[  688.541933] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5f
<4>[  688.541934] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca1003
<4>[  688.541936] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.541937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.541939] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.541940] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.541942] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.541943] Call Trace:
<4>[  688.541945]  <TASK>
<4>[  688.541946]  ? show_regs+0x6c/0x80
<4>[  688.541950]  ? __warn+0x93/0x1c0
<4>[  688.541953]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.541957]  ? report_bug+0x182/0x1b0
<4>[  688.541962]  ? handle_bug+0x6e/0xb0
<4>[  688.541964]  ? exc_invalid_op+0x18/0x80
<4>[  688.541967]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.541976]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.541980]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.541983]  ? mark_held_locks+0x46/0x90
<4>[  688.541994]  __iommu_map+0x119/0x2c0
<4>[  688.542003]  iommu_map_sg+0xbf/0x210
<4>[  688.542010]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.542020]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.542026]  dma_map_sgtable+0x1d/0x40
<4>[  688.542029]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.542182]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.544306]  ? clear_bhb_loop+0x15/0x70
<4>[  688.544341] hardirqs last disabled at (234397354): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.544481] RDX: 0000000000000000 RSI: 0000000003e134a3 RDI: 0000000000000000
<4>[  688.544483] RBP: ffffc90001d6f248 R08: 0000000000277ca2 R09: 0000000000000001
<4>[  688.544484] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5e
<4>[  688.544486] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca2003
<4>[  688.544487] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.544489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.544491] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.544492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.544493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.544495] Call Trace:
<4>[  688.544496]  <TASK>
<4>[  688.544498]  ? show_regs+0x6c/0x80
<4>[  688.544501]  ? __warn+0x93/0x1c0
<4>[  688.544505]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.544508]  ? report_bug+0x182/0x1b0
<4>[  688.544514]  ? handle_bug+0x6e/0xb0
<4>[  688.544516]  ? exc_invalid_op+0x18/0x80
<4>[  688.544519]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.544528]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.544531]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.544534]  ? mark_held_locks+0x46/0x90
<4>[  688.544546]  __iommu_map+0x119/0x2c0
<4>[  688.544555]  iommu_map_sg+0xbf/0x210
<4>[  688.544562]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.544572]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.544577]  dma_map_sgtable+0x1d/0x40
<4>[  688.544581]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.544733]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.546796]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.546865] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.547019] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.547027] RDX: 0000000000000000 RSI: 0000000003e134a4 RDI: 0000000000000000
<4>[  688.547028] RBP: ffffc90001d6f248 R08: 0000000000277ca3 R09: 0000000000000001
<4>[  688.547030] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5d
<4>[  688.547031] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca3003
<4>[  688.547033] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.547034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.547036] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.547037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.547039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.547040] Call Trace:
<4>[  688.547042]  <TASK>
<4>[  688.547043]  ? show_regs+0x6c/0x80
<4>[  688.547047]  ? __warn+0x93/0x1c0
<4>[  688.547050]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.547054]  ? report_bug+0x182/0x1b0
<4>[  688.547059]  ? handle_bug+0x6e/0xb0
<4>[  688.547062]  ? exc_invalid_op+0x18/0x80
<4>[  688.547065]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.547074]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.547077]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.547080]  ? mark_held_locks+0x46/0x90
<4>[  688.547091]  __iommu_map+0x119/0x2c0
<4>[  688.547100]  iommu_map_sg+0xbf/0x210
<4>[  688.547107]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.547117]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.547123]  dma_map_sgtable+0x1d/0x40
<4>[  688.547126]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.547283]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.549404]  ? clear_bhb_loop+0x15/0x70
<4>[  688.549422] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.549576] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.549580] RDX: 0000000000000000 RSI: 0000000003e134a5 RDI: 0000000000000000
<4>[  688.549581] RBP: ffffc90001d6f248 R08: 0000000000277ca4 R09: 0000000000000001
<4>[  688.549583] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5c
<4>[  688.549584] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca4003
<4>[  688.549586] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.549588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.549589] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.549591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.549592] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.549593] Call Trace:
<4>[  688.549595]  <TASK>
<4>[  688.549596]  ? show_regs+0x6c/0x80
<4>[  688.549600]  ? __warn+0x93/0x1c0
<4>[  688.549603]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.549607]  ? report_bug+0x182/0x1b0
<4>[  688.549612]  ? handle_bug+0x6e/0xb0
<4>[  688.549615]  ? exc_invalid_op+0x18/0x80
<4>[  688.549618]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.549627]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.549630]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.549633]  ? mark_held_locks+0x46/0x90
<4>[  688.549644]  __iommu_map+0x119/0x2c0
<4>[  688.549653]  iommu_map_sg+0xbf/0x210
<4>[  688.549660]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.549670]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.549676]  dma_map_sgtable+0x1d/0x40
<4>[  688.549679]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.550142]  ? lock_acquire+0xc9/0x300
<4>[  688.551954]  ? clear_bhb_loop+0x15/0x70
<4>[  688.551972] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.552125] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.552129] RDX: 0000000000000000 RSI: 0000000003e134a6 RDI: 0000000000000000
<4>[  688.552130] RBP: ffffc90001d6f248 R08: 0000000000277ca5 R09: 0000000000000001
<4>[  688.552132] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5b
<4>[  688.552133] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca5003
<4>[  688.552135] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.552136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.552138] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.552139] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.552141] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.552142] Call Trace:
<4>[  688.552143]  <TASK>
<4>[  688.552145]  ? show_regs+0x6c/0x80
<4>[  688.552149]  ? __warn+0x93/0x1c0
<4>[  688.552152]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.552156]  ? report_bug+0x182/0x1b0
<4>[  688.552161]  ? handle_bug+0x6e/0xb0
<4>[  688.552164]  ? exc_invalid_op+0x18/0x80
<4>[  688.552166]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.552175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.552179]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.552182]  ? mark_held_locks+0x46/0x90
<4>[  688.552193]  __iommu_map+0x119/0x2c0
<4>[  688.552202]  iommu_map_sg+0xbf/0x210
<4>[  688.552209]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.552225]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.552231]  dma_map_sgtable+0x1d/0x40
<4>[  688.552234]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.552387]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.554506]  ? clear_bhb_loop+0x15/0x70
<4>[  688.554540] hardirqs last disabled at (234413290): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.554680] RDX: 0000000000000000 RSI: 0000000003e134a7 RDI: 0000000000000000
<4>[  688.554682] RBP: ffffc90001d6f248 R08: 0000000000277ca6 R09: 0000000000000001
<4>[  688.554683] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b5a
<4>[  688.554684] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca6003
<4>[  688.554686] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.554688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.554689] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.554691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.554692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.554694] Call Trace:
<4>[  688.554695]  <TASK>
<4>[  688.554697]  ? show_regs+0x6c/0x80
<4>[  688.554700]  ? __warn+0x93/0x1c0
<4>[  688.554703]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.554707]  ? report_bug+0x182/0x1b0
<4>[  688.554712]  ? handle_bug+0x6e/0xb0
<4>[  688.554715]  ? exc_invalid_op+0x18/0x80
<4>[  688.554718]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.554727]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.554730]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.554733]  ? mark_held_locks+0x46/0x90
<4>[  688.554744]  __iommu_map+0x119/0x2c0
<4>[  688.554754]  iommu_map_sg+0xbf/0x210
<4>[  688.554761]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.554771]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.554776]  dma_map_sgtable+0x1d/0x40
<4>[  688.554779]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.554932]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.557036]  ? up_read+0x22/0x30
<4>[  688.557065] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.557225] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.557232] RDX: 0000000000000000 RSI: 0000000003e134a8 RDI: 0000000000000000
<4>[  688.557233] RBP: ffffc90001d6f248 R08: 0000000000277ca7 R09: 0000000000000001
<4>[  688.557235] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b59
<4>[  688.557236] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca7003
<4>[  688.557238] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.557240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.557241] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.557243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.557244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.557246] Call Trace:
<4>[  688.557247]  <TASK>
<4>[  688.557249]  ? show_regs+0x6c/0x80
<4>[  688.557252]  ? __warn+0x93/0x1c0
<4>[  688.557255]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.557259]  ? report_bug+0x182/0x1b0
<4>[  688.557264]  ? handle_bug+0x6e/0xb0
<4>[  688.557267]  ? exc_invalid_op+0x18/0x80
<4>[  688.557270]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.557279]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.557282]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.557285]  ? mark_held_locks+0x46/0x90
<4>[  688.557297]  __iommu_map+0x119/0x2c0
<4>[  688.557306]  iommu_map_sg+0xbf/0x210
<4>[  688.557313]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.557323]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.557328]  dma_map_sgtable+0x1d/0x40
<4>[  688.557332]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.557485]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.559577]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.559638] hardirqs last disabled at (234421258): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.559778] RDX: 0000000000000000 RSI: 0000000003e134a9 RDI: 0000000000000000
<4>[  688.559779] RBP: ffffc90001d6f248 R08: 0000000000277ca8 R09: 0000000000000001
<4>[  688.559781] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b58
<4>[  688.559782] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca8003
<4>[  688.559784] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.559786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.559787] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.559789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.559790] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.559791] Call Trace:
<4>[  688.559793]  <TASK>
<4>[  688.559794]  ? show_regs+0x6c/0x80
<4>[  688.559798]  ? __warn+0x93/0x1c0
<4>[  688.559801]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.559805]  ? report_bug+0x182/0x1b0
<4>[  688.559810]  ? handle_bug+0x6e/0xb0
<4>[  688.559812]  ? exc_invalid_op+0x18/0x80
<4>[  688.559815]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.559824]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.559828]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.559831]  ? mark_held_locks+0x46/0x90
<4>[  688.559842]  __iommu_map+0x119/0x2c0
<4>[  688.559851]  iommu_map_sg+0xbf/0x210
<4>[  688.559858]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.559868]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.559873]  dma_map_sgtable+0x1d/0x40
<4>[  688.559877]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.560030]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.562145]  ? irqentry_exit+0x77/0xb0
<4>[  688.562166] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.562327] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.562331] RDX: 0000000000000000 RSI: 0000000003e134aa RDI: 0000000000000000
<4>[  688.562332] RBP: ffffc90001d6f248 R08: 0000000000277ca9 R09: 0000000000000001
<4>[  688.562333] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b57
<4>[  688.562335] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ca9003
<4>[  688.562336] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.562338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.562340] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.562341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.562342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.562344] Call Trace:
<4>[  688.562345]  <TASK>
<4>[  688.562347]  ? show_regs+0x6c/0x80
<4>[  688.562351]  ? __warn+0x93/0x1c0
<4>[  688.562354]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.562358]  ? report_bug+0x182/0x1b0
<4>[  688.562363]  ? handle_bug+0x6e/0xb0
<4>[  688.562366]  ? exc_invalid_op+0x18/0x80
<4>[  688.562369]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.562378]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.562381]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.562384]  ? mark_held_locks+0x46/0x90
<4>[  688.562395]  __iommu_map+0x119/0x2c0
<4>[  688.562404]  iommu_map_sg+0xbf/0x210
<4>[  688.562412]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.562422]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.562427]  dma_map_sgtable+0x1d/0x40
<4>[  688.562431]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.562583]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.564703]  ? clear_bhb_loop+0x15/0x70
<4>[  688.564732]  </TASK>
<4>[  688.564739] softirqs last  enabled at (234428232): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.564877] RDX: 0000000000000000 RSI: 0000000003e134ab RDI: 0000000000000000
<4>[  688.564879] RBP: ffffc90001d6f248 R08: 0000000000277caa R09: 0000000000000001
<4>[  688.564880] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b56
<4>[  688.564882] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277caa003
<4>[  688.564883] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.564885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.564887] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.564888] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.564890] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.564891] Call Trace:
<4>[  688.564892]  <TASK>
<4>[  688.564894]  ? show_regs+0x6c/0x80
<4>[  688.564898]  ? __warn+0x93/0x1c0
<4>[  688.564901]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.564905]  ? report_bug+0x182/0x1b0
<4>[  688.564910]  ? handle_bug+0x6e/0xb0
<4>[  688.564912]  ? exc_invalid_op+0x18/0x80
<4>[  688.564915]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.564924]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.564928]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.564931]  ? mark_held_locks+0x46/0x90
<4>[  688.564942]  __iommu_map+0x119/0x2c0
<4>[  688.564951]  iommu_map_sg+0xbf/0x210
<4>[  688.564958]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.564968]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.564974]  dma_map_sgtable+0x1d/0x40
<4>[  688.564977]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.565131]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.567256]  ? clear_bhb_loop+0x15/0x70
<4>[  688.567287] irq event stamp: 234433203
<4>[  688.567398]  pinctrl_cannonlake mei intel_pmc_core intel_pch_thermal pmt_telemetry pmt_class intel_vsec wmi input_leds acpi_pad acpi_tad serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_damage_helper_test]
<4>[  688.567435] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b55
<4>[  688.567436] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cab003
<4>[  688.567438] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.567440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.567441] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.567443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.567444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.567445] Call Trace:
<4>[  688.567447]  <TASK>
<4>[  688.567448]  ? show_regs+0x6c/0x80
<4>[  688.567452]  ? __warn+0x93/0x1c0
<4>[  688.567455]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.567459]  ? report_bug+0x182/0x1b0
<4>[  688.567464]  ? handle_bug+0x6e/0xb0
<4>[  688.567467]  ? exc_invalid_op+0x18/0x80
<4>[  688.567469]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.567479]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.567482]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.567485]  ? mark_held_locks+0x46/0x90
<4>[  688.567496]  __iommu_map+0x119/0x2c0
<4>[  688.567505]  iommu_map_sg+0xbf/0x210
<4>[  688.567512]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.567522]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.567528]  dma_map_sgtable+0x1d/0x40
<4>[  688.567531]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.569803]  ? clear_bhb_loop+0x15/0x70
<4>[  688.569837] hardirqs last disabled at (234437194): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.569977] RDX: 0000000000000000 RSI: 0000000003e134ad RDI: 0000000000000000
<4>[  688.569978] RBP: ffffc90001d6f248 R08: 0000000000277cac R09: 0000000000000001
<4>[  688.569980] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b54
<4>[  688.569981] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cac003
<4>[  688.569983] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.569984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.569986] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.569988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.569989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.569990] Call Trace:
<4>[  688.569992]  <TASK>
<4>[  688.569993]  ? show_regs+0x6c/0x80
<4>[  688.569997]  ? __warn+0x93/0x1c0
<4>[  688.570000]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.570004]  ? report_bug+0x182/0x1b0
<4>[  688.570009]  ? handle_bug+0x6e/0xb0
<4>[  688.570012]  ? exc_invalid_op+0x18/0x80
<4>[  688.570015]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.570024]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.570027]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.570030]  ? mark_held_locks+0x46/0x90
<4>[  688.570041]  __iommu_map+0x119/0x2c0
<4>[  688.570050]  iommu_map_sg+0xbf/0x210
<4>[  688.570057]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.570067]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.570073]  dma_map_sgtable+0x1d/0x40
<4>[  688.570076]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.570233]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.572313]  ? __vm_munmap+0xd7/0x1b0
<4>[  688.572364] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.572520] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.572527] RDX: 0000000000000000 RSI: 0000000003e134ae RDI: 0000000000000000
<4>[  688.572529] RBP: ffffc90001d6f248 R08: 0000000000277cad R09: 0000000000000001
<4>[  688.572530] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b53
<4>[  688.572532] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cad003
<4>[  688.572533] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.572535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.572537] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.572538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.572539] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.572541] Call Trace:
<4>[  688.572542]  <TASK>
<4>[  688.572544]  ? show_regs+0x6c/0x80
<4>[  688.572547]  ? __warn+0x93/0x1c0
<4>[  688.572551]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.572555]  ? report_bug+0x182/0x1b0
<4>[  688.572560]  ? handle_bug+0x6e/0xb0
<4>[  688.572562]  ? exc_invalid_op+0x18/0x80
<4>[  688.572565]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.572574]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.572578]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.572581]  ? mark_held_locks+0x46/0x90
<4>[  688.572592]  __iommu_map+0x119/0x2c0
<4>[  688.572601]  iommu_map_sg+0xbf/0x210
<4>[  688.572608]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.572618]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.572623]  dma_map_sgtable+0x1d/0x40
<4>[  688.572627]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.573090]  ? lock_acquire+0xc9/0x300
<4>[  688.574900]  ? clear_bhb_loop+0x15/0x70
<4>[  688.574929]  </TASK>
<4>[  688.574936] softirqs last  enabled at (234443430): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.575074] RDX: 0000000000000000 RSI: 0000000003e134af RDI: 0000000000000000
<4>[  688.575075] RBP: ffffc90001d6f248 R08: 0000000000277cae R09: 0000000000000001
<4>[  688.575077] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b52
<4>[  688.575079] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cae003
<4>[  688.575080] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.575082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.575083] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.575085] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.575086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.575088] Call Trace:
<4>[  688.575089]  <TASK>
<4>[  688.575091]  ? show_regs+0x6c/0x80
<4>[  688.575094]  ? __warn+0x93/0x1c0
<4>[  688.575098]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.575101]  ? report_bug+0x182/0x1b0
<4>[  688.575106]  ? handle_bug+0x6e/0xb0
<4>[  688.575109]  ? exc_invalid_op+0x18/0x80
<4>[  688.575112]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.575121]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.575124]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.575127]  ? mark_held_locks+0x46/0x90
<4>[  688.575139]  __iommu_map+0x119/0x2c0
<4>[  688.575148]  iommu_map_sg+0xbf/0x210
<4>[  688.575155]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.575165]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.575170]  dma_map_sgtable+0x1d/0x40
<4>[  688.575174]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.575331]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.577450]  ? clear_bhb_loop+0x15/0x70
<4>[  688.577484] hardirqs last disabled at (234449150): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.577625] RDX: 0000000000000000 RSI: 0000000003e134b0 RDI: 0000000000000000
<4>[  688.577626] RBP: ffffc90001d6f248 R08: 0000000000277caf R09: 0000000000000001
<4>[  688.577628] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b51
<4>[  688.577629] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277caf003
<4>[  688.577631] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.577632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.577634] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.577635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.577637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.577638] Call Trace:
<4>[  688.577640]  <TASK>
<4>[  688.577641]  ? show_regs+0x6c/0x80
<4>[  688.577645]  ? __warn+0x93/0x1c0
<4>[  688.577648]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.577652]  ? report_bug+0x182/0x1b0
<4>[  688.577657]  ? handle_bug+0x6e/0xb0
<4>[  688.577659]  ? exc_invalid_op+0x18/0x80
<4>[  688.577662]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.577671]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.577675]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.577678]  ? mark_held_locks+0x46/0x90
<4>[  688.577689]  __iommu_map+0x119/0x2c0
<4>[  688.577698]  iommu_map_sg+0xbf/0x210
<4>[  688.577705]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.577715]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.577720]  dma_map_sgtable+0x1d/0x40
<4>[  688.577724]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.577877]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.579996]  ? clear_bhb_loop+0x15/0x70
<4>[  688.580025]  </TASK>
<4>[  688.580032] softirqs last  enabled at (234451350): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.580170] RDX: 0000000000000000 RSI: 0000000003e134b1 RDI: 0000000000000000
<4>[  688.580172] RBP: ffffc90001d6f248 R08: 0000000000277cb0 R09: 0000000000000001
<4>[  688.580173] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b50
<4>[  688.580174] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb0003
<4>[  688.580176] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.580178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.580179] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.580181] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.580182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.580184] Call Trace:
<4>[  688.580185]  <TASK>
<4>[  688.580187]  ? show_regs+0x6c/0x80
<4>[  688.580190]  ? __warn+0x93/0x1c0
<4>[  688.580193]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.580197]  ? report_bug+0x182/0x1b0
<4>[  688.580202]  ? handle_bug+0x6e/0xb0
<4>[  688.580205]  ? exc_invalid_op+0x18/0x80
<4>[  688.580208]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.580222]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.580225]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.580228]  ? mark_held_locks+0x46/0x90
<4>[  688.580239]  __iommu_map+0x119/0x2c0
<4>[  688.580248]  iommu_map_sg+0xbf/0x210
<4>[  688.580256]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.580266]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.580271]  dma_map_sgtable+0x1d/0x40
<4>[  688.580275]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.580428]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.582547]  ? clear_bhb_loop+0x15/0x70
<4>[  688.582565] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.582718] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.582722] RDX: 0000000000000000 RSI: 0000000003e134b2 RDI: 0000000000000000
<4>[  688.582723] RBP: ffffc90001d6f248 R08: 0000000000277cb1 R09: 0000000000000001
<4>[  688.582725] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4f
<4>[  688.582726] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb1003
<4>[  688.582728] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.582729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.582731] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.582732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.582734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.582735] Call Trace:
<4>[  688.582736]  <TASK>
<4>[  688.582738]  ? show_regs+0x6c/0x80
<4>[  688.582742]  ? __warn+0x93/0x1c0
<4>[  688.582745]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.582749]  ? report_bug+0x182/0x1b0
<4>[  688.582754]  ? handle_bug+0x6e/0xb0
<4>[  688.582756]  ? exc_invalid_op+0x18/0x80
<4>[  688.582759]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.582768]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.582772]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.582774]  ? mark_held_locks+0x46/0x90
<4>[  688.582786]  __iommu_map+0x119/0x2c0
<4>[  688.582795]  iommu_map_sg+0xbf/0x210
<4>[  688.582802]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.582812]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.582817]  dma_map_sgtable+0x1d/0x40
<4>[  688.582821]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.583289]  ? lock_acquire+0xc9/0x300
<4>[  688.585094]  ? clear_bhb_loop+0x15/0x70
<4>[  688.585123]  </TASK>
<4>[  688.585130] softirqs last  enabled at (234459270): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.585274] RDX: 0000000000000000 RSI: 0000000003e134b3 RDI: 0000000000000000
<4>[  688.585275] RBP: ffffc90001d6f248 R08: 0000000000277cb2 R09: 0000000000000001
<4>[  688.585277] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4e
<4>[  688.585279] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb2003
<4>[  688.585280] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.585282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.585284] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.585285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.585287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.585288] Call Trace:
<4>[  688.585289]  <TASK>
<4>[  688.585291]  ? show_regs+0x6c/0x80
<4>[  688.585295]  ? __warn+0x93/0x1c0
<4>[  688.585298]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.585302]  ? report_bug+0x182/0x1b0
<4>[  688.585307]  ? handle_bug+0x6e/0xb0
<4>[  688.585310]  ? exc_invalid_op+0x18/0x80
<4>[  688.585313]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.585322]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.585326]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.585329]  ? mark_held_locks+0x46/0x90
<4>[  688.585340]  __iommu_map+0x119/0x2c0
<4>[  688.585349]  iommu_map_sg+0xbf/0x210
<4>[  688.585356]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.585366]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.585372]  dma_map_sgtable+0x1d/0x40
<4>[  688.585375]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.585529]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.587624]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.587685] hardirqs last disabled at (234465080): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.587825] RDX: 0000000000000000 RSI: 0000000003e134b4 RDI: 0000000000000000
<4>[  688.587827] RBP: ffffc90001d6f248 R08: 0000000000277cb3 R09: 0000000000000001
<4>[  688.587828] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4d
<4>[  688.587830] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb3003
<4>[  688.587831] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.587833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.587834] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.587836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.587837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.587839] Call Trace:
<4>[  688.587840]  <TASK>
<4>[  688.587842]  ? show_regs+0x6c/0x80
<4>[  688.587845]  ? __warn+0x93/0x1c0
<4>[  688.587849]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.587852]  ? report_bug+0x182/0x1b0
<4>[  688.587858]  ? handle_bug+0x6e/0xb0
<4>[  688.587860]  ? exc_invalid_op+0x18/0x80
<4>[  688.587863]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.587872]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.587875]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.587878]  ? mark_held_locks+0x46/0x90
<4>[  688.587890]  __iommu_map+0x119/0x2c0
<4>[  688.587899]  iommu_map_sg+0xbf/0x210
<4>[  688.587906]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.587916]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.587921]  dma_map_sgtable+0x1d/0x40
<4>[  688.587924]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.588077]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.590158]  ? __vm_munmap+0xd7/0x1b0
<4>[  688.590216] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.590374] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.590378] RDX: 0000000000000000 RSI: 0000000003e134b5 RDI: 0000000000000000
<4>[  688.590379] RBP: ffffc90001d6f248 R08: 0000000000277cb4 R09: 0000000000000001
<4>[  688.590381] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4c
<4>[  688.590382] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb4003
<4>[  688.590384] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.590386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.590387] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.590389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.590390] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.590391] Call Trace:
<4>[  688.590393]  <TASK>
<4>[  688.590394]  ? show_regs+0x6c/0x80
<4>[  688.590398]  ? __warn+0x93/0x1c0
<4>[  688.590401]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.590405]  ? report_bug+0x182/0x1b0
<4>[  688.590410]  ? handle_bug+0x6e/0xb0
<4>[  688.590413]  ? exc_invalid_op+0x18/0x80
<4>[  688.590416]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.590425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.590428]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.590431]  ? mark_held_locks+0x46/0x90
<4>[  688.590442]  __iommu_map+0x119/0x2c0
<4>[  688.590451]  iommu_map_sg+0xbf/0x210
<4>[  688.590458]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.590468]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.590474]  dma_map_sgtable+0x1d/0x40
<4>[  688.590477]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.590630]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.592750]  ? clear_bhb_loop+0x15/0x70
<4>[  688.592785] hardirqs last disabled at (234473042): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.592925] RDX: 0000000000000000 RSI: 0000000003e134b6 RDI: 0000000000000000
<4>[  688.592926] RBP: ffffc90001d6f248 R08: 0000000000277cb5 R09: 0000000000000001
<4>[  688.592928] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4b
<4>[  688.592929] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb5003
<4>[  688.592931] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.592933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.592934] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.592936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.592937] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.592938] Call Trace:
<4>[  688.592940]  <TASK>
<4>[  688.592941]  ? show_regs+0x6c/0x80
<4>[  688.592945]  ? __warn+0x93/0x1c0
<4>[  688.592948]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.592952]  ? report_bug+0x182/0x1b0
<4>[  688.592957]  ? handle_bug+0x6e/0xb0
<4>[  688.592959]  ? exc_invalid_op+0x18/0x80
<4>[  688.592962]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.592971]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.592975]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.592978]  ? mark_held_locks+0x46/0x90
<4>[  688.592989]  __iommu_map+0x119/0x2c0
<4>[  688.592998]  iommu_map_sg+0xbf/0x210
<4>[  688.593005]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.593015]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.593020]  dma_map_sgtable+0x1d/0x40
<4>[  688.593024]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.593176]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.595262]  ? __vm_munmap+0xd7/0x1b0
<4>[  688.595315] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.595469] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.595477] RDX: 0000000000000000 RSI: 0000000003e134b7 RDI: 0000000000000000
<4>[  688.595478] RBP: ffffc90001d6f248 R08: 0000000000277cb6 R09: 0000000000000001
<4>[  688.595480] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b4a
<4>[  688.595481] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb6003
<4>[  688.595483] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.595484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.595486] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.595487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.595489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.595490] Call Trace:
<4>[  688.595491]  <TASK>
<4>[  688.595493]  ? show_regs+0x6c/0x80
<4>[  688.595497]  ? __warn+0x93/0x1c0
<4>[  688.595500]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.595504]  ? report_bug+0x182/0x1b0
<4>[  688.595509]  ? handle_bug+0x6e/0xb0
<4>[  688.595512]  ? exc_invalid_op+0x18/0x80
<4>[  688.595515]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.595524]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.595527]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.595530]  ? mark_held_locks+0x46/0x90
<4>[  688.595541]  __iommu_map+0x119/0x2c0
<4>[  688.595550]  iommu_map_sg+0xbf/0x210
<4>[  688.595557]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.595567]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.595573]  dma_map_sgtable+0x1d/0x40
<4>[  688.595576]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.595729]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.597851]  ? clear_bhb_loop+0x15/0x70
<4>[  688.597885] hardirqs last disabled at (234481010): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.598025] RDX: 0000000000000000 RSI: 0000000003e134b8 RDI: 0000000000000000
<4>[  688.598026] RBP: ffffc90001d6f248 R08: 0000000000277cb7 R09: 0000000000000001
<4>[  688.598028] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b49
<4>[  688.598029] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb7003
<4>[  688.598031] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.598033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.598034] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.598036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.598037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.598039] Call Trace:
<4>[  688.598040]  <TASK>
<4>[  688.598042]  ? show_regs+0x6c/0x80
<4>[  688.598045]  ? __warn+0x93/0x1c0
<4>[  688.598048]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.598052]  ? report_bug+0x182/0x1b0
<4>[  688.598057]  ? handle_bug+0x6e/0xb0
<4>[  688.598060]  ? exc_invalid_op+0x18/0x80
<4>[  688.598063]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.598072]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.598075]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.598078]  ? mark_held_locks+0x46/0x90
<4>[  688.598089]  __iommu_map+0x119/0x2c0
<4>[  688.598098]  iommu_map_sg+0xbf/0x210
<4>[  688.598105]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.598115]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.598121]  dma_map_sgtable+0x1d/0x40
<4>[  688.598124]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.598282]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.600344]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.600413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.600568] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.600576] RDX: 0000000000000000 RSI: 0000000003e134b9 RDI: 0000000000000000
<4>[  688.600577] RBP: ffffc90001d6f248 R08: 0000000000277cb8 R09: 0000000000000001
<4>[  688.600578] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b48
<4>[  688.600580] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb8003
<4>[  688.600581] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.600583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.600585] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.600586] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.600588] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.600589] Call Trace:
<4>[  688.600590]  <TASK>
<4>[  688.600592]  ? show_regs+0x6c/0x80
<4>[  688.600596]  ? __warn+0x93/0x1c0
<4>[  688.600599]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.600603]  ? report_bug+0x182/0x1b0
<4>[  688.600608]  ? handle_bug+0x6e/0xb0
<4>[  688.600610]  ? exc_invalid_op+0x18/0x80
<4>[  688.600613]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.600622]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.600626]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.600629]  ? mark_held_locks+0x46/0x90
<4>[  688.600640]  __iommu_map+0x119/0x2c0
<4>[  688.600649]  iommu_map_sg+0xbf/0x210
<4>[  688.600656]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.600666]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.600672]  dma_map_sgtable+0x1d/0x40
<4>[  688.600675]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.600828]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.602948]  ? clear_bhb_loop+0x15/0x70
<4>[  688.602966] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.603118] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.603122] RDX: 0000000000000000 RSI: 0000000003e134ba RDI: 0000000000000000
<4>[  688.603123] RBP: ffffc90001d6f248 R08: 0000000000277cb9 R09: 0000000000000001
<4>[  688.603125] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b47
<4>[  688.603126] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cb9003
<4>[  688.603128] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.603130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.603131] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.603133] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.603134] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.603135] Call Trace:
<4>[  688.603137]  <TASK>
<4>[  688.603138]  ? show_regs+0x6c/0x80
<4>[  688.603142]  ? __warn+0x93/0x1c0
<4>[  688.603145]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.603149]  ? report_bug+0x182/0x1b0
<4>[  688.603154]  ? handle_bug+0x6e/0xb0
<4>[  688.603157]  ? exc_invalid_op+0x18/0x80
<4>[  688.603160]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.603169]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.603172]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.603175]  ? mark_held_locks+0x46/0x90
<4>[  688.603186]  __iommu_map+0x119/0x2c0
<4>[  688.603195]  iommu_map_sg+0xbf/0x210
<4>[  688.603202]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.603217]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.603223]  dma_map_sgtable+0x1d/0x40
<4>[  688.603226]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.603379]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.605503]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  688.605540] ---[ end trace 0000000000000000 ]---
<4>[  688.605671] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.605674] RDX: 0000000000000000 RSI: 0000000003e134bb RDI: 0000000000000000
<4>[  688.605676] RBP: ffffc90001d6f248 R08: 0000000000277cba R09: 0000000000000001
<4>[  688.605677] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b46
<4>[  688.605679] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cba003
<4>[  688.605680] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.605682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.605684] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.605685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.605686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.605688] Call Trace:
<4>[  688.605689]  <TASK>
<4>[  688.605691]  ? show_regs+0x6c/0x80
<4>[  688.605694]  ? __warn+0x93/0x1c0
<4>[  688.605698]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.605702]  ? report_bug+0x182/0x1b0
<4>[  688.605707]  ? handle_bug+0x6e/0xb0
<4>[  688.605709]  ? exc_invalid_op+0x18/0x80
<4>[  688.605712]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.605721]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.605725]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.605728]  ? mark_held_locks+0x46/0x90
<4>[  688.605739]  __iommu_map+0x119/0x2c0
<4>[  688.605748]  iommu_map_sg+0xbf/0x210
<4>[  688.605755]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.605765]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.605771]  dma_map_sgtable+0x1d/0x40
<4>[  688.605774]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.605927]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.608050]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  688.608087] ---[ end trace 0000000000000000 ]---
<4>[  688.608223] 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>[  688.608230] RBP: ffffc90001d6f248 R08: 0000000000277cbb R09: 0000000000000001
<4>[  688.608231] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b45
<4>[  688.608233] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cbb003
<4>[  688.608235] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.608236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.608238] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.608239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.608241] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.608242] Call Trace:
<4>[  688.608243]  <TASK>
<4>[  688.608245]  ? show_regs+0x6c/0x80
<4>[  688.608249]  ? __warn+0x93/0x1c0
<4>[  688.608252]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.608256]  ? report_bug+0x182/0x1b0
<4>[  688.608261]  ? handle_bug+0x6e/0xb0
<4>[  688.608263]  ? exc_invalid_op+0x18/0x80
<4>[  688.608266]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.608275]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.608279]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.608282]  ? mark_held_locks+0x46/0x90
<4>[  688.608293]  __iommu_map+0x119/0x2c0
<4>[  688.608302]  iommu_map_sg+0xbf/0x210
<4>[  688.608309]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.608319]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.608635]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.610611] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.610769] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.610776] RDX: 0000000000000000 RSI: 0000000003e134bd RDI: 0000000000000000
<4>[  688.610777] RBP: ffffc90001d6f248 R08: 0000000000277cbc R09: 0000000000000001
<4>[  688.610779] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b44
<4>[  688.610780] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cbc003
<4>[  688.610782] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.610784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.610785] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.610787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.610788] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.610790] Call Trace:
<4>[  688.610791]  <TASK>
<4>[  688.610793]  ? show_regs+0x6c/0x80
<4>[  688.610796]  ? __warn+0x93/0x1c0
<4>[  688.610799]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.610803]  ? report_bug+0x182/0x1b0
<4>[  688.610808]  ? handle_bug+0x6e/0xb0
<4>[  688.610811]  ? exc_invalid_op+0x18/0x80
<4>[  688.610814]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.610823]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.610826]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.610829]  ? mark_held_locks+0x46/0x90
<4>[  688.610840]  __iommu_map+0x119/0x2c0
<4>[  688.610849]  iommu_map_sg+0xbf/0x210
<4>[  688.610857]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.610866]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.610872]  dma_map_sgtable+0x1d/0x40
<4>[  688.610875]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.611029]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.613121]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.613182] hardirqs last disabled at (234504914): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.613327] RDX: 0000000000000000 RSI: 0000000003e134be RDI: 0000000000000000
<4>[  688.613329] RBP: ffffc90001d6f248 R08: 0000000000277cbd R09: 0000000000000001
<4>[  688.613330] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b43
<4>[  688.613332] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cbd003
<4>[  688.613333] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.613335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.613336] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.613338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.613339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.613341] Call Trace:
<4>[  688.613342]  <TASK>
<4>[  688.613344]  ? show_regs+0x6c/0x80
<4>[  688.613348]  ? __warn+0x93/0x1c0
<4>[  688.613351]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.613355]  ? report_bug+0x182/0x1b0
<4>[  688.613360]  ? handle_bug+0x6e/0xb0
<4>[  688.613363]  ? exc_invalid_op+0x18/0x80
<4>[  688.613366]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.613375]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.613378]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.613381]  ? mark_held_locks+0x46/0x90
<4>[  688.613392]  __iommu_map+0x119/0x2c0
<4>[  688.613402]  iommu_map_sg+0xbf/0x210
<4>[  688.613409]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.613419]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.613424]  dma_map_sgtable+0x1d/0x40
<4>[  688.613428]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.613580]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.615699]  ? clear_bhb_loop+0x15/0x70
<4>[  688.615733] hardirqs last disabled at (234508902): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.615874] RDX: 0000000000000000 RSI: 0000000003e134bf RDI: 0000000000000000
<4>[  688.615875] RBP: ffffc90001d6f248 R08: 0000000000277cbe R09: 0000000000000001
<4>[  688.615877] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b42
<4>[  688.615878] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cbe003
<4>[  688.615880] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.615882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.615883] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.615885] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.615886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.615888] Call Trace:
<4>[  688.615889]  <TASK>
<4>[  688.615891]  ? show_regs+0x6c/0x80
<4>[  688.615894]  ? __warn+0x93/0x1c0
<4>[  688.615897]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.615901]  ? report_bug+0x182/0x1b0
<4>[  688.615906]  ? handle_bug+0x6e/0xb0
<4>[  688.615909]  ? exc_invalid_op+0x18/0x80
<4>[  688.615912]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.615921]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.615924]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.615927]  ? mark_held_locks+0x46/0x90
<4>[  688.615938]  __iommu_map+0x119/0x2c0
<4>[  688.615947]  iommu_map_sg+0xbf/0x210
<4>[  688.615954]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.615964]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.615970]  dma_map_sgtable+0x1d/0x40
<4>[  688.615973]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.616126]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.618242]  ? irqentry_exit+0x77/0xb0
<4>[  688.618264] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.618420] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.618423] RDX: 0000000000000000 RSI: 0000000003e134c0 RDI: 0000000000000000
<4>[  688.618425] RBP: ffffc90001d6f248 R08: 0000000000277cbf R09: 0000000000000001
<4>[  688.618426] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b41
<4>[  688.618428] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cbf003
<4>[  688.618429] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.618431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.618433] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.618434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.618436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.618437] Call Trace:
<4>[  688.618438]  <TASK>
<4>[  688.618440]  ? show_regs+0x6c/0x80
<4>[  688.618444]  ? __warn+0x93/0x1c0
<4>[  688.618447]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.618451]  ? report_bug+0x182/0x1b0
<4>[  688.618456]  ? handle_bug+0x6e/0xb0
<4>[  688.618458]  ? exc_invalid_op+0x18/0x80
<4>[  688.618461]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.618470]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.618474]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.618477]  ? mark_held_locks+0x46/0x90
<4>[  688.618488]  __iommu_map+0x119/0x2c0
<4>[  688.618497]  iommu_map_sg+0xbf/0x210
<4>[  688.618504]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.618514]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.618519]  dma_map_sgtable+0x1d/0x40
<4>[  688.618523]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.618676]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.620796]  ? clear_bhb_loop+0x15/0x70
<4>[  688.620832] softirqs last  enabled at (234515138): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.620971] RDX: 0000000000000000 RSI: 0000000003e134c1 RDI: 0000000000000000
<4>[  688.620972] RBP: ffffc90001d6f248 R08: 0000000000277cc0 R09: 0000000000000001
<4>[  688.620974] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b40
<4>[  688.620975] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc0003
<4>[  688.620977] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.620979] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.620980] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.620982] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.620983] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.620985] Call Trace:
<4>[  688.620986]  <TASK>
<4>[  688.620988]  ? show_regs+0x6c/0x80
<4>[  688.620991]  ? __warn+0x93/0x1c0
<4>[  688.620994]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.620998]  ? report_bug+0x182/0x1b0
<4>[  688.621003]  ? handle_bug+0x6e/0xb0
<4>[  688.621006]  ? exc_invalid_op+0x18/0x80
<4>[  688.621009]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.621018]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.621021]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.621024]  ? mark_held_locks+0x46/0x90
<4>[  688.621035]  __iommu_map+0x119/0x2c0
<4>[  688.621044]  iommu_map_sg+0xbf/0x210
<4>[  688.621052]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.621061]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.621067]  dma_map_sgtable+0x1d/0x40
<4>[  688.621070]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.621229]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.623313]  ? __vm_munmap+0xd7/0x1b0
<4>[  688.623367] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.623522] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.623529] RDX: 0000000000000000 RSI: 0000000003e134c2 RDI: 0000000000000000
<4>[  688.623530] RBP: ffffc90001d6f248 R08: 0000000000277cc1 R09: 0000000000000001
<4>[  688.623532] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3f
<4>[  688.623533] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc1003
<4>[  688.623535] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.623537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.623538] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.623540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.623541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.623543] Call Trace:
<4>[  688.623544]  <TASK>
<4>[  688.623546]  ? show_regs+0x6c/0x80
<4>[  688.623549]  ? __warn+0x93/0x1c0
<4>[  688.623552]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.623556]  ? report_bug+0x182/0x1b0
<4>[  688.623561]  ? handle_bug+0x6e/0xb0
<4>[  688.623564]  ? exc_invalid_op+0x18/0x80
<4>[  688.623567]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.623576]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.623579]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.623582]  ? mark_held_locks+0x46/0x90
<4>[  688.623593]  __iommu_map+0x119/0x2c0
<4>[  688.623603]  iommu_map_sg+0xbf/0x210
<4>[  688.623610]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.623620]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.623625]  dma_map_sgtable+0x1d/0x40
<4>[  688.623629]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.623782]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.625903]  ? clear_bhb_loop+0x15/0x70
<4>[  688.625938] hardirqs last disabled at (234524838): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.626080] RDX: 0000000000000000 RSI: 0000000003e134c3 RDI: 0000000000000000
<4>[  688.626082] RBP: ffffc90001d6f248 R08: 0000000000277cc2 R09: 0000000000000001
<4>[  688.626083] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3e
<4>[  688.626085] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc2003
<4>[  688.626086] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.626088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.626089] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.626091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.626092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.626094] Call Trace:
<4>[  688.626095]  <TASK>
<4>[  688.626097]  ? show_regs+0x6c/0x80
<4>[  688.626100]  ? __warn+0x93/0x1c0
<4>[  688.626104]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.626108]  ? report_bug+0x182/0x1b0
<4>[  688.626113]  ? handle_bug+0x6e/0xb0
<4>[  688.626115]  ? exc_invalid_op+0x18/0x80
<4>[  688.626118]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.626127]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.626131]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.626134]  ? mark_held_locks+0x46/0x90
<4>[  688.626145]  __iommu_map+0x119/0x2c0
<4>[  688.626154]  iommu_map_sg+0xbf/0x210
<4>[  688.626161]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.626171]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.626177]  dma_map_sgtable+0x1d/0x40
<4>[  688.626180]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.626339]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.628411]  do_syscall_64+0x91/0x180
<4>[  688.628472] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.628630] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.628637] RDX: 0000000000000000 RSI: 0000000003e134c4 RDI: 0000000000000000
<4>[  688.628638] RBP: ffffc90001d6f248 R08: 0000000000277cc3 R09: 0000000000000001
<4>[  688.628640] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3d
<4>[  688.628641] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc3003
<4>[  688.628643] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.628644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.628646] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.628648] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.628649] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.628650] Call Trace:
<4>[  688.628652]  <TASK>
<4>[  688.628653]  ? show_regs+0x6c/0x80
<4>[  688.628657]  ? __warn+0x93/0x1c0
<4>[  688.628660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.628664]  ? report_bug+0x182/0x1b0
<4>[  688.628669]  ? handle_bug+0x6e/0xb0
<4>[  688.628672]  ? exc_invalid_op+0x18/0x80
<4>[  688.628675]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.628684]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.628687]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.628690]  ? mark_held_locks+0x46/0x90
<4>[  688.628701]  __iommu_map+0x119/0x2c0
<4>[  688.628711]  iommu_map_sg+0xbf/0x210
<4>[  688.628718]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.628728]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.628733]  dma_map_sgtable+0x1d/0x40
<4>[  688.628737]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.628890]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.631012]  ? clear_bhb_loop+0x15/0x70
<4>[  688.631044] hardirqs last  enabled at (234532801): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.631188] RDX: 0000000000000000 RSI: 0000000003e134c5 RDI: 0000000000000000
<4>[  688.631189] RBP: ffffc90001d6f248 R08: 0000000000277cc4 R09: 0000000000000001
<4>[  688.631191] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3c
<4>[  688.631192] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc4003
<4>[  688.631194] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.631195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.631197] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.631199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.631200] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.631201] Call Trace:
<4>[  688.631203]  <TASK>
<4>[  688.631204]  ? show_regs+0x6c/0x80
<4>[  688.631208]  ? __warn+0x93/0x1c0
<4>[  688.631216]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.631220]  ? report_bug+0x182/0x1b0
<4>[  688.631225]  ? handle_bug+0x6e/0xb0
<4>[  688.631228]  ? exc_invalid_op+0x18/0x80
<4>[  688.631231]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.631240]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.631243]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.631246]  ? mark_held_locks+0x46/0x90
<4>[  688.631258]  __iommu_map+0x119/0x2c0
<4>[  688.631267]  iommu_map_sg+0xbf/0x210
<4>[  688.631274]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.631284]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.631290]  dma_map_sgtable+0x1d/0x40
<4>[  688.631293]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.631446]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.633511]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.633578] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.633740] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.633747] RDX: 0000000000000000 RSI: 0000000003e134c6 RDI: 0000000000000000
<4>[  688.633749] RBP: ffffc90001d6f248 R08: 0000000000277cc5 R09: 0000000000000001
<4>[  688.633750] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3b
<4>[  688.633752] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc5003
<4>[  688.633753] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.633755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.633757] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.633758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.633760] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.633761] Call Trace:
<4>[  688.633762]  <TASK>
<4>[  688.633764]  ? show_regs+0x6c/0x80
<4>[  688.633768]  ? __warn+0x93/0x1c0
<4>[  688.633771]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.633775]  ? report_bug+0x182/0x1b0
<4>[  688.633780]  ? handle_bug+0x6e/0xb0
<4>[  688.633783]  ? exc_invalid_op+0x18/0x80
<4>[  688.633786]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.633795]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.633798]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.633802]  ? mark_held_locks+0x46/0x90
<4>[  688.633813]  __iommu_map+0x119/0x2c0
<4>[  688.633822]  iommu_map_sg+0xbf/0x210
<4>[  688.633829]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.633839]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.633845]  dma_map_sgtable+0x1d/0x40
<4>[  688.633848]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.634003]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.636124]  ? clear_bhb_loop+0x15/0x70
<4>[  688.636141] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.636304] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.636308] RDX: 0000000000000000 RSI: 0000000003e134c7 RDI: 0000000000000000
<4>[  688.636310] RBP: ffffc90001d6f248 R08: 0000000000277cc6 R09: 0000000000000001
<4>[  688.636311] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b3a
<4>[  688.636312] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc6003
<4>[  688.636314] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.636316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.636317] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.636319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.636320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.636322] Call Trace:
<4>[  688.636323]  <TASK>
<4>[  688.636325]  ? show_regs+0x6c/0x80
<4>[  688.636328]  ? __warn+0x93/0x1c0
<4>[  688.636332]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.636336]  ? report_bug+0x182/0x1b0
<4>[  688.636341]  ? handle_bug+0x6e/0xb0
<4>[  688.636344]  ? exc_invalid_op+0x18/0x80
<4>[  688.636347]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.636356]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.636359]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.636362]  ? mark_held_locks+0x46/0x90
<4>[  688.636374]  __iommu_map+0x119/0x2c0
<4>[  688.636383]  iommu_map_sg+0xbf/0x210
<4>[  688.636390]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.636400]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.636406]  dma_map_sgtable+0x1d/0x40
<4>[  688.636409]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.636718]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.638694] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.638855] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.638862] RDX: 0000000000000000 RSI: 0000000003e134c8 RDI: 0000000000000000
<4>[  688.638863] RBP: ffffc90001d6f248 R08: 0000000000277cc7 R09: 0000000000000001
<4>[  688.638865] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b39
<4>[  688.638866] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc7003
<4>[  688.638868] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.638870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.638871] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.638873] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.638874] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.638876] Call Trace:
<4>[  688.638877]  <TASK>
<4>[  688.638879]  ? show_regs+0x6c/0x80
<4>[  688.638882]  ? __warn+0x93/0x1c0
<4>[  688.638885]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.638889]  ? report_bug+0x182/0x1b0
<4>[  688.638894]  ? handle_bug+0x6e/0xb0
<4>[  688.638897]  ? exc_invalid_op+0x18/0x80
<4>[  688.638900]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.638909]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.638912]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.638915]  ? mark_held_locks+0x46/0x90
<4>[  688.638926]  __iommu_map+0x119/0x2c0
<4>[  688.638936]  iommu_map_sg+0xbf/0x210
<4>[  688.638943]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.638953]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.638958]  dma_map_sgtable+0x1d/0x40
<4>[  688.638962]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.639115]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.641249]  ? clear_bhb_loop+0x15/0x70
<4>[  688.641266] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.641424] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.641427] RDX: 0000000000000000 RSI: 0000000003e134c9 RDI: 0000000000000000
<4>[  688.641429] RBP: ffffc90001d6f248 R08: 0000000000277cc8 R09: 0000000000000001
<4>[  688.641430] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b38
<4>[  688.641432] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc8003
<4>[  688.641433] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.641435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.641437] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.641438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.641440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.641441] Call Trace:
<4>[  688.641442]  <TASK>
<4>[  688.641444]  ? show_regs+0x6c/0x80
<4>[  688.641448]  ? __warn+0x93/0x1c0
<4>[  688.641451]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.641455]  ? report_bug+0x182/0x1b0
<4>[  688.641460]  ? handle_bug+0x6e/0xb0
<4>[  688.641462]  ? exc_invalid_op+0x18/0x80
<4>[  688.641465]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.641474]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.641478]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.641481]  ? mark_held_locks+0x46/0x90
<4>[  688.641492]  __iommu_map+0x119/0x2c0
<4>[  688.641502]  iommu_map_sg+0xbf/0x210
<4>[  688.641509]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.641519]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.641524]  dma_map_sgtable+0x1d/0x40
<4>[  688.641528]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.641681]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.643810]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<2>[  688.643849] DMAR: ERROR: DMA PTE for vPFN 0x3e134ca already set (to 277cc9003 not 277cc9003)
<4>[  688.643984] RDX: 0000000000000000 RSI: 0000000003e134ca RDI: 0000000000000000
<4>[  688.643985] RBP: ffffc90001d6f248 R08: 0000000000277cc9 R09: 0000000000000001
<4>[  688.643987] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b37
<4>[  688.643988] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cc9003
<4>[  688.643990] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.643992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.643993] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.643995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.643996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.643998] Call Trace:
<4>[  688.643999]  <TASK>
<4>[  688.644001]  ? show_regs+0x6c/0x80
<4>[  688.644004]  ? __warn+0x93/0x1c0
<4>[  688.644007]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.644011]  ? report_bug+0x182/0x1b0
<4>[  688.644016]  ? handle_bug+0x6e/0xb0
<4>[  688.644019]  ? exc_invalid_op+0x18/0x80
<4>[  688.644022]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.644031]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.644034]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.644037]  ? mark_held_locks+0x46/0x90
<4>[  688.644049]  __iommu_map+0x119/0x2c0
<4>[  688.644058]  iommu_map_sg+0xbf/0x210
<4>[  688.644065]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.644075]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.644080]  dma_map_sgtable+0x1d/0x40
<4>[  688.644084]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.644245]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.646368]  ? clear_bhb_loop+0x15/0x70
<4>[  688.646387] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.646543] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.646547] RDX: 0000000000000000 RSI: 0000000003e134cb RDI: 0000000000000000
<4>[  688.646549] RBP: ffffc90001d6f248 R08: 0000000000277cca R09: 0000000000000001
<4>[  688.646550] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b36
<4>[  688.646551] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cca003
<4>[  688.646553] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.646555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.646556] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.646558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.646559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.646561] Call Trace:
<4>[  688.646562]  <TASK>
<4>[  688.646564]  ? show_regs+0x6c/0x80
<4>[  688.646567]  ? __warn+0x93/0x1c0
<4>[  688.646571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.646575]  ? report_bug+0x182/0x1b0
<4>[  688.646580]  ? handle_bug+0x6e/0xb0
<4>[  688.646582]  ? exc_invalid_op+0x18/0x80
<4>[  688.646585]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.646594]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.646598]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.646601]  ? mark_held_locks+0x46/0x90
<4>[  688.646612]  __iommu_map+0x119/0x2c0
<4>[  688.646621]  iommu_map_sg+0xbf/0x210
<4>[  688.646628]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.646638]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.646644]  dma_map_sgtable+0x1d/0x40
<4>[  688.646647]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.647111]  ? lock_acquire+0xc9/0x300
<4>[  688.648922]  ? clear_bhb_loop+0x15/0x70
<4>[  688.648951]  </TASK>
<4>[  688.648960] softirqs last disabled at (234558961): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.649099] RDX: 0000000000000000 RSI: 0000000003e134cc RDI: 0000000000000000
<4>[  688.649101] RBP: ffffc90001d6f248 R08: 0000000000277ccb R09: 0000000000000001
<4>[  688.649102] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b35
<4>[  688.649103] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ccb003
<4>[  688.649105] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.649107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.649108] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.649110] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.649111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.649113] Call Trace:
<4>[  688.649114]  <TASK>
<4>[  688.649116]  ? show_regs+0x6c/0x80
<4>[  688.649119]  ? __warn+0x93/0x1c0
<4>[  688.649122]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.649126]  ? report_bug+0x182/0x1b0
<4>[  688.649131]  ? handle_bug+0x6e/0xb0
<4>[  688.649134]  ? exc_invalid_op+0x18/0x80
<4>[  688.649137]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.649146]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.649150]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.649153]  ? mark_held_locks+0x46/0x90
<4>[  688.649164]  __iommu_map+0x119/0x2c0
<4>[  688.649173]  iommu_map_sg+0xbf/0x210
<4>[  688.649180]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.649190]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.649196]  dma_map_sgtable+0x1d/0x40
<4>[  688.649199]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.649360]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.651481]  ? clear_bhb_loop+0x15/0x70
<4>[  688.651498] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.651656] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.651659] RDX: 0000000000000000 RSI: 0000000003e134cd RDI: 0000000000000000
<4>[  688.651661] RBP: ffffc90001d6f248 R08: 0000000000277ccc R09: 0000000000000001
<4>[  688.651662] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b34
<4>[  688.651664] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ccc003
<4>[  688.651665] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.651667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.651669] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.651670] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.651672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.651673] Call Trace:
<4>[  688.651674]  <TASK>
<4>[  688.651676]  ? show_regs+0x6c/0x80
<4>[  688.651680]  ? __warn+0x93/0x1c0
<4>[  688.651683]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.651687]  ? report_bug+0x182/0x1b0
<4>[  688.651692]  ? handle_bug+0x6e/0xb0
<4>[  688.651694]  ? exc_invalid_op+0x18/0x80
<4>[  688.651697]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.651706]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.651710]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.651713]  ? mark_held_locks+0x46/0x90
<4>[  688.651724]  __iommu_map+0x119/0x2c0
<4>[  688.651733]  iommu_map_sg+0xbf/0x210
<4>[  688.651740]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.651750]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.651756]  dma_map_sgtable+0x1d/0x40
<4>[  688.651759]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.651912]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.654036]  ? clear_bhb_loop+0x15/0x70
<4>[  688.654071] hardirqs last disabled at (234568666): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.654220] RDX: 0000000000000000 RSI: 0000000003e134ce RDI: 0000000000000000
<4>[  688.654221] RBP: ffffc90001d6f248 R08: 0000000000277ccd R09: 0000000000000001
<4>[  688.654223] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b33
<4>[  688.654224] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ccd003
<4>[  688.654226] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.654228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.654229] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.654231] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.654232] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.654234] Call Trace:
<4>[  688.654235]  <TASK>
<4>[  688.654237]  ? show_regs+0x6c/0x80
<4>[  688.654240]  ? __warn+0x93/0x1c0
<4>[  688.654244]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.654247]  ? report_bug+0x182/0x1b0
<4>[  688.654253]  ? handle_bug+0x6e/0xb0
<4>[  688.654255]  ? exc_invalid_op+0x18/0x80
<4>[  688.654258]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.654267]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.654271]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.654274]  ? mark_held_locks+0x46/0x90
<4>[  688.654285]  __iommu_map+0x119/0x2c0
<4>[  688.654294]  iommu_map_sg+0xbf/0x210
<4>[  688.654301]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.654312]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.654317]  dma_map_sgtable+0x1d/0x40
<4>[  688.654321]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.654474]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.656567]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.656629] hardirqs last disabled at (234572654): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.656772] RDX: 0000000000000000 RSI: 0000000003e134cf RDI: 0000000000000000
<4>[  688.656774] RBP: ffffc90001d6f248 R08: 0000000000277cce R09: 0000000000000001
<4>[  688.656775] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b32
<4>[  688.656777] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cce003
<4>[  688.656778] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.656780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.656781] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.656783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.656784] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.656786] Call Trace:
<4>[  688.656787]  <TASK>
<4>[  688.656789]  ? show_regs+0x6c/0x80
<4>[  688.656792]  ? __warn+0x93/0x1c0
<4>[  688.656796]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.656799]  ? report_bug+0x182/0x1b0
<4>[  688.656805]  ? handle_bug+0x6e/0xb0
<4>[  688.656807]  ? exc_invalid_op+0x18/0x80
<4>[  688.656810]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.656819]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.656822]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.656825]  ? mark_held_locks+0x46/0x90
<4>[  688.656837]  __iommu_map+0x119/0x2c0
<4>[  688.656846]  iommu_map_sg+0xbf/0x210
<4>[  688.656853]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.656863]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.656869]  dma_map_sgtable+0x1d/0x40
<4>[  688.656872]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.657025]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.659093]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.659163] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.659327] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.659334] RDX: 0000000000000000 RSI: 0000000003e134d0 RDI: 0000000000000000
<4>[  688.659336] RBP: ffffc90001d6f248 R08: 0000000000277ccf R09: 0000000000000001
<4>[  688.659337] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b31
<4>[  688.659339] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ccf003
<4>[  688.659340] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.659342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.659344] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.659345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.659347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.659348] Call Trace:
<4>[  688.659349]  <TASK>
<4>[  688.659351]  ? show_regs+0x6c/0x80
<4>[  688.659355]  ? __warn+0x93/0x1c0
<4>[  688.659359]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.659363]  ? report_bug+0x182/0x1b0
<4>[  688.659368]  ? handle_bug+0x6e/0xb0
<4>[  688.659370]  ? exc_invalid_op+0x18/0x80
<4>[  688.659373]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.659383]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.659386]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.659389]  ? mark_held_locks+0x46/0x90
<4>[  688.659400]  __iommu_map+0x119/0x2c0
<4>[  688.659409]  iommu_map_sg+0xbf/0x210
<4>[  688.659417]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.659427]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.659432]  dma_map_sgtable+0x1d/0x40
<4>[  688.659436]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.659589]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.661711]  ? clear_bhb_loop+0x15/0x70
<4>[  688.661728] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.661884] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.661888] RDX: 0000000000000000 RSI: 0000000003e134d1 RDI: 0000000000000000
<4>[  688.661889] RBP: ffffc90001d6f248 R08: 0000000000277cd0 R09: 0000000000000001
<4>[  688.661891] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b30
<4>[  688.661892] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd0003
<4>[  688.661894] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.661896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.661897] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.661899] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.661900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.661902] Call Trace:
<4>[  688.661903]  <TASK>
<4>[  688.661905]  ? show_regs+0x6c/0x80
<4>[  688.661908]  ? __warn+0x93/0x1c0
<4>[  688.661911]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.661915]  ? report_bug+0x182/0x1b0
<4>[  688.661920]  ? handle_bug+0x6e/0xb0
<4>[  688.661923]  ? exc_invalid_op+0x18/0x80
<4>[  688.661926]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.661935]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.661938]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.661941]  ? mark_held_locks+0x46/0x90
<4>[  688.661952]  __iommu_map+0x119/0x2c0
<4>[  688.661961]  iommu_map_sg+0xbf/0x210
<4>[  688.661968]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.661978]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.661984]  dma_map_sgtable+0x1d/0x40
<4>[  688.661987]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.662141]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.664269]  ? clear_bhb_loop+0x15/0x70
<4>[  688.664304] hardirqs last disabled at (234584610): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.664447] RDX: 0000000000000000 RSI: 0000000003e134d2 RDI: 0000000000000000
<4>[  688.664449] RBP: ffffc90001d6f248 R08: 0000000000277cd1 R09: 0000000000000001
<4>[  688.664450] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2f
<4>[  688.664451] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd1003
<4>[  688.664453] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.664455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.664456] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.664458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.664459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.664461] Call Trace:
<4>[  688.664462]  <TASK>
<4>[  688.664464]  ? show_regs+0x6c/0x80
<4>[  688.664467]  ? __warn+0x93/0x1c0
<4>[  688.664470]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.664474]  ? report_bug+0x182/0x1b0
<4>[  688.664479]  ? handle_bug+0x6e/0xb0
<4>[  688.664482]  ? exc_invalid_op+0x18/0x80
<4>[  688.664485]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.664494]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.664497]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.664500]  ? mark_held_locks+0x46/0x90
<4>[  688.664512]  __iommu_map+0x119/0x2c0
<4>[  688.664521]  iommu_map_sg+0xbf/0x210
<4>[  688.664528]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.664538]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.664543]  dma_map_sgtable+0x1d/0x40
<4>[  688.664547]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.664700]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.666808]  ? up_read+0x22/0x30
<4>[  688.666837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.666995] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.667002] RDX: 0000000000000000 RSI: 0000000003e134d3 RDI: 0000000000000000
<4>[  688.667003] RBP: ffffc90001d6f248 R08: 0000000000277cd2 R09: 0000000000000001
<4>[  688.667005] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2e
<4>[  688.667006] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd2003
<4>[  688.667008] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.667010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.667011] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.667013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.667014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.667016] Call Trace:
<4>[  688.667017]  <TASK>
<4>[  688.667019]  ? show_regs+0x6c/0x80
<4>[  688.667022]  ? __warn+0x93/0x1c0
<4>[  688.667025]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.667029]  ? report_bug+0x182/0x1b0
<4>[  688.667034]  ? handle_bug+0x6e/0xb0
<4>[  688.667037]  ? exc_invalid_op+0x18/0x80
<4>[  688.667040]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.667049]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.667052]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.667055]  ? mark_held_locks+0x46/0x90
<4>[  688.667066]  __iommu_map+0x119/0x2c0
<4>[  688.667075]  iommu_map_sg+0xbf/0x210
<4>[  688.667082]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.667092]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.667098]  dma_map_sgtable+0x1d/0x40
<4>[  688.667101]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.667261]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.669382]  ? clear_bhb_loop+0x15/0x70
<4>[  688.669399] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.669555] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.669559] RDX: 0000000000000000 RSI: 0000000003e134d4 RDI: 0000000000000000
<4>[  688.669561] RBP: ffffc90001d6f248 R08: 0000000000277cd3 R09: 0000000000000001
<4>[  688.669562] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2d
<4>[  688.669563] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd3003
<4>[  688.669565] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.669567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.669568] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.669570] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.669571] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.669573] Call Trace:
<4>[  688.669574]  <TASK>
<4>[  688.669576]  ? show_regs+0x6c/0x80
<4>[  688.669579]  ? __warn+0x93/0x1c0
<4>[  688.669582]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.669586]  ? report_bug+0x182/0x1b0
<4>[  688.669591]  ? handle_bug+0x6e/0xb0
<4>[  688.669594]  ? exc_invalid_op+0x18/0x80
<4>[  688.669597]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.669606]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.669610]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.669613]  ? mark_held_locks+0x46/0x90
<4>[  688.669624]  __iommu_map+0x119/0x2c0
<4>[  688.669633]  iommu_map_sg+0xbf/0x210
<4>[  688.669640]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.669650]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.669656]  dma_map_sgtable+0x1d/0x40
<4>[  688.669659]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.669969]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.671944] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.672104] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.672111] RDX: 0000000000000000 RSI: 0000000003e134d5 RDI: 0000000000000000
<4>[  688.672113] RBP: ffffc90001d6f248 R08: 0000000000277cd4 R09: 0000000000000001
<4>[  688.672114] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2c
<4>[  688.672115] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd4003
<4>[  688.672117] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.672119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.672120] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.672122] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.672123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.672125] Call Trace:
<4>[  688.672126]  <TASK>
<4>[  688.672128]  ? show_regs+0x6c/0x80
<4>[  688.672131]  ? __warn+0x93/0x1c0
<4>[  688.672134]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.672138]  ? report_bug+0x182/0x1b0
<4>[  688.672143]  ? handle_bug+0x6e/0xb0
<4>[  688.672146]  ? exc_invalid_op+0x18/0x80
<4>[  688.672149]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.672158]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.672161]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.672164]  ? mark_held_locks+0x46/0x90
<4>[  688.672175]  __iommu_map+0x119/0x2c0
<4>[  688.672184]  iommu_map_sg+0xbf/0x210
<4>[  688.672192]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.672202]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.672207]  dma_map_sgtable+0x1d/0x40
<4>[  688.672217]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.672370]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.674466]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  688.674525] hardirqs last  enabled at (234600541): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.674670] RDX: 0000000000000000 RSI: 0000000003e134d6 RDI: 0000000000000000
<4>[  688.674671] RBP: ffffc90001d6f248 R08: 0000000000277cd5 R09: 0000000000000001
<4>[  688.674672] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2b
<4>[  688.674674] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd5003
<4>[  688.674676] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.674677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.674679] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.674680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.674682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.674683] Call Trace:
<4>[  688.674684]  <TASK>
<4>[  688.674686]  ? show_regs+0x6c/0x80
<4>[  688.674690]  ? __warn+0x93/0x1c0
<4>[  688.674693]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.674697]  ? report_bug+0x182/0x1b0
<4>[  688.674702]  ? handle_bug+0x6e/0xb0
<4>[  688.674705]  ? exc_invalid_op+0x18/0x80
<4>[  688.674708]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.674717]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.674720]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.674723]  ? mark_held_locks+0x46/0x90
<4>[  688.674734]  __iommu_map+0x119/0x2c0
<4>[  688.674743]  iommu_map_sg+0xbf/0x210
<4>[  688.674750]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.674760]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.674766]  dma_map_sgtable+0x1d/0x40
<4>[  688.674769]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.674923]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.676996]  do_syscall_64+0x91/0x180
<4>[  688.677058] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.677221] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.677228] RDX: 0000000000000000 RSI: 0000000003e134d7 RDI: 0000000000000000
<4>[  688.677230] RBP: ffffc90001d6f248 R08: 0000000000277cd6 R09: 0000000000000001
<4>[  688.677231] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b2a
<4>[  688.677233] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd6003
<4>[  688.677234] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.677236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.677237] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.677239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.677240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.677242] Call Trace:
<4>[  688.677243]  <TASK>
<4>[  688.677245]  ? show_regs+0x6c/0x80
<4>[  688.677248]  ? __warn+0x93/0x1c0
<4>[  688.677252]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.677255]  ? report_bug+0x182/0x1b0
<4>[  688.677261]  ? handle_bug+0x6e/0xb0
<4>[  688.677263]  ? exc_invalid_op+0x18/0x80
<4>[  688.677266]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.677276]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.677279]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.677282]  ? mark_held_locks+0x46/0x90
<4>[  688.677293]  __iommu_map+0x119/0x2c0
<4>[  688.677303]  iommu_map_sg+0xbf/0x210
<4>[  688.677310]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.677320]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.677326]  dma_map_sgtable+0x1d/0x40
<4>[  688.677329]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.677483]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.679605]  ? clear_bhb_loop+0x15/0x70
<4>[  688.679623] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.679779] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.679782] RDX: 0000000000000000 RSI: 0000000003e134d8 RDI: 0000000000000000
<4>[  688.679784] RBP: ffffc90001d6f248 R08: 0000000000277cd7 R09: 0000000000000001
<4>[  688.679785] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b29
<4>[  688.679787] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd7003
<4>[  688.679788] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.679790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.679791] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.679793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.679794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.679796] Call Trace:
<4>[  688.679797]  <TASK>
<4>[  688.679799]  ? show_regs+0x6c/0x80
<4>[  688.679802]  ? __warn+0x93/0x1c0
<4>[  688.679806]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.679810]  ? report_bug+0x182/0x1b0
<4>[  688.679815]  ? handle_bug+0x6e/0xb0
<4>[  688.679817]  ? exc_invalid_op+0x18/0x80
<4>[  688.679820]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.679829]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.679833]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.679836]  ? mark_held_locks+0x46/0x90
<4>[  688.679847]  __iommu_map+0x119/0x2c0
<4>[  688.679856]  iommu_map_sg+0xbf/0x210
<4>[  688.679863]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.679873]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.679879]  dma_map_sgtable+0x1d/0x40
<4>[  688.679882]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.680351]  ? lock_acquire+0xc9/0x300
<4>[  688.682156]  ? clear_bhb_loop+0x15/0x70
<4>[  688.682175] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.682336] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.682340] RDX: 0000000000000000 RSI: 0000000003e134d9 RDI: 0000000000000000
<4>[  688.682341] RBP: ffffc90001d6f248 R08: 0000000000277cd8 R09: 0000000000000001
<4>[  688.682343] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b28
<4>[  688.682345] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd8003
<4>[  688.682346] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.682348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.682349] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.682351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.682352] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.682354] Call Trace:
<4>[  688.682355]  <TASK>
<4>[  688.682357]  ? show_regs+0x6c/0x80
<4>[  688.682361]  ? __warn+0x93/0x1c0
<4>[  688.682364]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.682368]  ? report_bug+0x182/0x1b0
<4>[  688.682373]  ? handle_bug+0x6e/0xb0
<4>[  688.682376]  ? exc_invalid_op+0x18/0x80
<4>[  688.682379]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.682388]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.682391]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.682394]  ? mark_held_locks+0x46/0x90
<4>[  688.682405]  __iommu_map+0x119/0x2c0
<4>[  688.682415]  iommu_map_sg+0xbf/0x210
<4>[  688.682422]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.682432]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.682437]  dma_map_sgtable+0x1d/0x40
<4>[  688.682441]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.682904]  ? lock_acquire+0xc9/0x300
<4>[  688.684716]  ? clear_bhb_loop+0x15/0x70
<4>[  688.684734] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.684889] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.684893] RDX: 0000000000000000 RSI: 0000000003e134da RDI: 0000000000000000
<4>[  688.684895] RBP: ffffc90001d6f248 R08: 0000000000277cd9 R09: 0000000000000001
<4>[  688.684896] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b27
<4>[  688.684898] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cd9003
<4>[  688.684899] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.684901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.684902] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.684904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.684905] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.684907] Call Trace:
<4>[  688.684908]  <TASK>
<4>[  688.684910]  ? show_regs+0x6c/0x80
<4>[  688.684913]  ? __warn+0x93/0x1c0
<4>[  688.684917]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.684921]  ? report_bug+0x182/0x1b0
<4>[  688.684926]  ? handle_bug+0x6e/0xb0
<4>[  688.684928]  ? exc_invalid_op+0x18/0x80
<4>[  688.684931]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.684940]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.684944]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.684947]  ? mark_held_locks+0x46/0x90
<4>[  688.684958]  __iommu_map+0x119/0x2c0
<4>[  688.684967]  iommu_map_sg+0xbf/0x210
<4>[  688.684974]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.684984]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.684990]  dma_map_sgtable+0x1d/0x40
<4>[  688.684993]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.685463]  ? lock_acquire+0xc9/0x300
<4>[  688.687275]  ? clear_bhb_loop+0x15/0x70
<4>[  688.687294] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.687449] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.687453] RDX: 0000000000000000 RSI: 0000000003e134db RDI: 0000000000000000
<4>[  688.687454] RBP: ffffc90001d6f248 R08: 0000000000277cda R09: 0000000000000001
<4>[  688.687456] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b26
<4>[  688.687457] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cda003
<4>[  688.687459] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.687461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.687462] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.687464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.687465] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.687467] Call Trace:
<4>[  688.687468]  <TASK>
<4>[  688.687470]  ? show_regs+0x6c/0x80
<4>[  688.687473]  ? __warn+0x93/0x1c0
<4>[  688.687476]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.687480]  ? report_bug+0x182/0x1b0
<4>[  688.687485]  ? handle_bug+0x6e/0xb0
<4>[  688.687488]  ? exc_invalid_op+0x18/0x80
<4>[  688.687491]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.687500]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.687504]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.687507]  ? mark_held_locks+0x46/0x90
<4>[  688.687518]  __iommu_map+0x119/0x2c0
<4>[  688.687527]  iommu_map_sg+0xbf/0x210
<4>[  688.687534]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.687544]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.687549]  dma_map_sgtable+0x1d/0x40
<4>[  688.687553]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.688633]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  688.689840] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.690001] 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>[  688.690008] RBP: ffffc90001d6f248 R08: 0000000000277cdb R09: 0000000000000001
<4>[  688.690009] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b25
<4>[  688.690011] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cdb003
<4>[  688.690012] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.690014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.690015] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.690017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.690018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.690020] Call Trace:
<4>[  688.690021]  <TASK>
<4>[  688.690023]  ? show_regs+0x6c/0x80
<4>[  688.690026]  ? __warn+0x93/0x1c0
<4>[  688.690030]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.690034]  ? report_bug+0x182/0x1b0
<4>[  688.690039]  ? handle_bug+0x6e/0xb0
<4>[  688.690041]  ? exc_invalid_op+0x18/0x80
<4>[  688.690044]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.690053]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.690057]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.690060]  ? mark_held_locks+0x46/0x90
<4>[  688.690071]  __iommu_map+0x119/0x2c0
<4>[  688.690080]  iommu_map_sg+0xbf/0x210
<4>[  688.690087]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.690097]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.690880]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.692401] RDX: 00007ffe2abfb8e0 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  688.692560] 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>[  688.692567] RBP: ffffc90001d6f248 R08: 0000000000277cdc R09: 0000000000000001
<4>[  688.692569] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b24
<4>[  688.692570] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cdc003
<4>[  688.692572] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.692573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.692575] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.692576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.692578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.692579] Call Trace:
<4>[  688.692581]  <TASK>
<4>[  688.692582]  ? show_regs+0x6c/0x80
<4>[  688.692586]  ? __warn+0x93/0x1c0
<4>[  688.692589]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.692593]  ? report_bug+0x182/0x1b0
<4>[  688.692598]  ? handle_bug+0x6e/0xb0
<4>[  688.692601]  ? exc_invalid_op+0x18/0x80
<4>[  688.692604]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.692613]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.692616]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.692619]  ? mark_held_locks+0x46/0x90
<4>[  688.692630]  __iommu_map+0x119/0x2c0
<4>[  688.692639]  iommu_map_sg+0xbf/0x210
<4>[  688.692646]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.692656]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.693442]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.694960] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.695117] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.695121] RDX: 0000000000000000 RSI: 0000000003e134de RDI: 0000000000000000
<4>[  688.695122] RBP: ffffc90001d6f248 R08: 0000000000277cdd R09: 0000000000000001
<4>[  688.695124] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b23
<4>[  688.695125] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cdd003
<4>[  688.695127] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.695128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.695130] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.695132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.695133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.695134] Call Trace:
<4>[  688.695136]  <TASK>
<4>[  688.695137]  ? show_regs+0x6c/0x80
<4>[  688.695141]  ? __warn+0x93/0x1c0
<4>[  688.695144]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.695148]  ? report_bug+0x182/0x1b0
<4>[  688.695153]  ? handle_bug+0x6e/0xb0
<4>[  688.695156]  ? exc_invalid_op+0x18/0x80
<4>[  688.695158]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.695167]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.695171]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.695174]  ? mark_held_locks+0x46/0x90
<4>[  688.695185]  __iommu_map+0x119/0x2c0
<4>[  688.695194]  iommu_map_sg+0xbf/0x210
<4>[  688.695201]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.695218]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.695223]  dma_map_sgtable+0x1d/0x40
<4>[  688.695227]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.695381]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.697503]  ? clear_bhb_loop+0x15/0x70
<4>[  688.697535] hardirqs last  enabled at (234636401): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  688.697680] RDX: 0000000000000000 RSI: 0000000003e134df RDI: 0000000000000000
<4>[  688.697681] RBP: ffffc90001d6f248 R08: 0000000000277cde R09: 0000000000000001
<4>[  688.697682] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b22
<4>[  688.697684] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cde003
<4>[  688.697685] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.697687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.697689] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.697690] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.697692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.697693] Call Trace:
<4>[  688.697694]  <TASK>
<4>[  688.697696]  ? show_regs+0x6c/0x80
<4>[  688.697700]  ? __warn+0x93/0x1c0
<4>[  688.697703]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.697707]  ? report_bug+0x182/0x1b0
<4>[  688.697712]  ? handle_bug+0x6e/0xb0
<4>[  688.697714]  ? exc_invalid_op+0x18/0x80
<4>[  688.697717]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.697726]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.697730]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.697733]  ? mark_held_locks+0x46/0x90
<4>[  688.697744]  __iommu_map+0x119/0x2c0
<4>[  688.697753]  iommu_map_sg+0xbf/0x210
<4>[  688.697760]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.697770]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.697776]  dma_map_sgtable+0x1d/0x40
<4>[  688.697779]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.697933]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.699999]  __x64_sys_ioctl+0xa4/0xe0
<4>[  688.700068] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000702727724ded
<4>[  688.700231] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.700238] RDX: 0000000000000000 RSI: 0000000003e134e0 RDI: 0000000000000000
<4>[  688.700240] RBP: ffffc90001d6f248 R08: 0000000000277cdf R09: 0000000000000001
<4>[  688.700241] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b21
<4>[  688.700242] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cdf003
<4>[  688.700244] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.700246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.700247] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.700249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.700250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.700252] Call Trace:
<4>[  688.700253]  <TASK>
<4>[  688.700255]  ? show_regs+0x6c/0x80
<4>[  688.700258]  ? __warn+0x93/0x1c0
<4>[  688.700262]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.700265]  ? report_bug+0x182/0x1b0
<4>[  688.700271]  ? handle_bug+0x6e/0xb0
<4>[  688.700273]  ? exc_invalid_op+0x18/0x80
<4>[  688.700276]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.700286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.700289]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.700292]  ? mark_held_locks+0x46/0x90
<4>[  688.700303]  __iommu_map+0x119/0x2c0
<4>[  688.700312]  iommu_map_sg+0xbf/0x210
<4>[  688.700320]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.700330]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.700335]  dma_map_sgtable+0x1d/0x40
<4>[  688.700339]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.700492]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.702616]  ? clear_bhb_loop+0x15/0x70
<4>[  688.702633] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.702789] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.702793] RDX: 0000000000000000 RSI: 0000000003e134e1 RDI: 0000000000000000
<4>[  688.702795] RBP: ffffc90001d6f248 R08: 0000000000277ce0 R09: 0000000000000001
<4>[  688.702796] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b20
<4>[  688.702798] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce0003
<4>[  688.702799] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.702801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.702802] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.702804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.702805] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.702807] Call Trace:
<4>[  688.702808]  <TASK>
<4>[  688.702810]  ? show_regs+0x6c/0x80
<4>[  688.702813]  ? __warn+0x93/0x1c0
<4>[  688.702817]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.702820]  ? report_bug+0x182/0x1b0
<4>[  688.702826]  ? handle_bug+0x6e/0xb0
<4>[  688.702829]  ? exc_invalid_op+0x18/0x80
<4>[  688.702831]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.702840]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.702844]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.702847]  ? mark_held_locks+0x46/0x90
<4>[  688.702858]  __iommu_map+0x119/0x2c0
<4>[  688.702867]  iommu_map_sg+0xbf/0x210
<4>[  688.702874]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.702884]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.702890]  dma_map_sgtable+0x1d/0x40
<4>[  688.702893]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.703046]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.705170]  ? clear_bhb_loop+0x15/0x70
<4>[  688.705205] hardirqs last disabled at (234648354): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.705354] RDX: 0000000000000000 RSI: 0000000003e134e2 RDI: 0000000000000000
<4>[  688.705355] RBP: ffffc90001d6f248 R08: 0000000000277ce1 R09: 0000000000000001
<4>[  688.705357] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1f
<4>[  688.705358] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce1003
<4>[  688.705360] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.705361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.705363] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.705364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.705366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.705367] Call Trace:
<4>[  688.705369]  <TASK>
<4>[  688.705370]  ? show_regs+0x6c/0x80
<4>[  688.705374]  ? __warn+0x93/0x1c0
<4>[  688.705377]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.705381]  ? report_bug+0x182/0x1b0
<4>[  688.705386]  ? handle_bug+0x6e/0xb0
<4>[  688.705389]  ? exc_invalid_op+0x18/0x80
<4>[  688.705392]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.705401]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.705404]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.705407]  ? mark_held_locks+0x46/0x90
<4>[  688.705418]  __iommu_map+0x119/0x2c0
<4>[  688.705428]  iommu_map_sg+0xbf/0x210
<4>[  688.705435]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.705445]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.705450]  dma_map_sgtable+0x1d/0x40
<4>[  688.705454]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.705607]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.707733]  ? clear_bhb_loop+0x15/0x70
<4>[  688.707750] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe2abfb8e0
<4>[  688.707907] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.707911] RDX: 0000000000000000 RSI: 0000000003e134e3 RDI: 0000000000000000
<4>[  688.707912] RBP: ffffc90001d6f248 R08: 0000000000277ce2 R09: 0000000000000001
<4>[  688.707914] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1e
<4>[  688.707915] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce2003
<4>[  688.707917] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.707919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.707920] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.707922] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.707923] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.707925] Call Trace:
<4>[  688.707926]  <TASK>
<4>[  688.707928]  ? show_regs+0x6c/0x80
<4>[  688.707931]  ? __warn+0x93/0x1c0
<4>[  688.707934]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.707938]  ? report_bug+0x182/0x1b0
<4>[  688.707943]  ? handle_bug+0x6e/0xb0
<4>[  688.707946]  ? exc_invalid_op+0x18/0x80
<4>[  688.707949]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.707958]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.707961]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.707964]  ? mark_held_locks+0x46/0x90
<4>[  688.707975]  __iommu_map+0x119/0x2c0
<4>[  688.707985]  iommu_map_sg+0xbf/0x210
<4>[  688.707992]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.708001]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.708007]  dma_map_sgtable+0x1d/0x40
<4>[  688.708011]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.708165]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.710295]  ? clear_bhb_loop+0x15/0x70
<4>[  688.710329] hardirqs last disabled at (234656330): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.710472] RDX: 0000000000000000 RSI: 0000000003e134e4 RDI: 0000000000000000
<4>[  688.710473] RBP: ffffc90001d6f248 R08: 0000000000277ce3 R09: 0000000000000001
<4>[  688.710475] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1d
<4>[  688.710476] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce3003
<4>[  688.710478] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.710479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.710481] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.710482] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.710484] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.710485] Call Trace:
<4>[  688.710486]  <TASK>
<4>[  688.710488]  ? show_regs+0x6c/0x80
<4>[  688.710492]  ? __warn+0x93/0x1c0
<4>[  688.710495]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.710499]  ? report_bug+0x182/0x1b0
<4>[  688.710504]  ? handle_bug+0x6e/0xb0
<4>[  688.710507]  ? exc_invalid_op+0x18/0x80
<4>[  688.710510]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.710519]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.710522]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.710525]  ? mark_held_locks+0x46/0x90
<4>[  688.710536]  __iommu_map+0x119/0x2c0
<4>[  688.710545]  iommu_map_sg+0xbf/0x210
<4>[  688.710552]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.710562]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.710568]  dma_map_sgtable+0x1d/0x40
<4>[  688.710571]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.710726]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.712843]  ? irqentry_exit+0x77/0xb0
<4>[  688.712865] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.713023] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.713027] RDX: 0000000000000000 RSI: 0000000003e134e5 RDI: 0000000000000000
<4>[  688.713028] RBP: ffffc90001d6f248 R08: 0000000000277ce4 R09: 0000000000000001
<4>[  688.713030] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1c
<4>[  688.713031] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce4003
<4>[  688.713033] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.713034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.713036] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.713037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.713039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.713040] Call Trace:
<4>[  688.713041]  <TASK>
<4>[  688.713043]  ? show_regs+0x6c/0x80
<4>[  688.713047]  ? __warn+0x93/0x1c0
<4>[  688.713050]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.713054]  ? report_bug+0x182/0x1b0
<4>[  688.713059]  ? handle_bug+0x6e/0xb0
<4>[  688.713062]  ? exc_invalid_op+0x18/0x80
<4>[  688.713065]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.713074]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.713077]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.713080]  ? mark_held_locks+0x46/0x90
<4>[  688.713091]  __iommu_map+0x119/0x2c0
<4>[  688.713100]  iommu_map_sg+0xbf/0x210
<4>[  688.713107]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.713117]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.713123]  dma_map_sgtable+0x1d/0x40
<4>[  688.713127]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.713286]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.715408]  ? clear_bhb_loop+0x15/0x70
<4>[  688.715426] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.715581] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.715585] RDX: 0000000000000000 RSI: 0000000003e134e6 RDI: 0000000000000000
<4>[  688.715587] RBP: ffffc90001d6f248 R08: 0000000000277ce5 R09: 0000000000000001
<4>[  688.715588] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1b
<4>[  688.715589] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce5003
<4>[  688.715591] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.715593] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.715594] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.715596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.715597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.715599] Call Trace:
<4>[  688.715600]  <TASK>
<4>[  688.715601]  ? show_regs+0x6c/0x80
<4>[  688.715605]  ? __warn+0x93/0x1c0
<4>[  688.715608]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.715612]  ? report_bug+0x182/0x1b0
<4>[  688.715617]  ? handle_bug+0x6e/0xb0
<4>[  688.715620]  ? exc_invalid_op+0x18/0x80
<4>[  688.715623]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.715632]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.715635]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.715638]  ? mark_held_locks+0x46/0x90
<4>[  688.715650]  __iommu_map+0x119/0x2c0
<4>[  688.715659]  iommu_map_sg+0xbf/0x210
<4>[  688.715666]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.715676]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.715681]  dma_map_sgtable+0x1d/0x40
<4>[  688.715685]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.715838]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.717970] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.718130] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.718137] RDX: 0000000000000000 RSI: 0000000003e134e7 RDI: 0000000000000000
<4>[  688.718139] RBP: ffffc90001d6f248 R08: 0000000000277ce6 R09: 0000000000000001
<4>[  688.718140] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b1a
<4>[  688.718142] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce6003
<4>[  688.718143] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.718145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.718146] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.718148] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.718149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.718151] Call Trace:
<4>[  688.718152]  <TASK>
<4>[  688.718154]  ? show_regs+0x6c/0x80
<4>[  688.718157]  ? __warn+0x93/0x1c0
<4>[  688.718161]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.718164]  ? report_bug+0x182/0x1b0
<4>[  688.718169]  ? handle_bug+0x6e/0xb0
<4>[  688.718172]  ? exc_invalid_op+0x18/0x80
<4>[  688.718175]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.718184]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.718187]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.718191]  ? mark_held_locks+0x46/0x90
<4>[  688.718202]  __iommu_map+0x119/0x2c0
<4>[  688.718217]  iommu_map_sg+0xbf/0x210
<4>[  688.718224]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.718234]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.718239]  dma_map_sgtable+0x1d/0x40
<4>[  688.718243]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.718396]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.720520]  ? clear_bhb_loop+0x15/0x70
<4>[  688.720538] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.720693] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.720697] RDX: 0000000000000000 RSI: 0000000003e134e8 RDI: 0000000000000000
<4>[  688.720699] RBP: ffffc90001d6f248 R08: 0000000000277ce7 R09: 0000000000000001
<4>[  688.720700] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b19
<4>[  688.720702] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce7003
<4>[  688.720703] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.720705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.720706] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.720708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.720709] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.720711] Call Trace:
<4>[  688.720712]  <TASK>
<4>[  688.720714]  ? show_regs+0x6c/0x80
<4>[  688.720717]  ? __warn+0x93/0x1c0
<4>[  688.720721]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.720725]  ? report_bug+0x182/0x1b0
<4>[  688.720730]  ? handle_bug+0x6e/0xb0
<4>[  688.720732]  ? exc_invalid_op+0x18/0x80
<4>[  688.720735]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.720744]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.720748]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.720751]  ? mark_held_locks+0x46/0x90
<4>[  688.720762]  __iommu_map+0x119/0x2c0
<4>[  688.720771]  iommu_map_sg+0xbf/0x210
<4>[  688.720778]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.720788]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.720794]  dma_map_sgtable+0x1d/0x40
<4>[  688.720797]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.720950]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.723075]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  688.723112] ---[ end trace 0000000000000000 ]---
<4>[  688.723248] 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>[  688.723255] RBP: ffffc90001d6f248 R08: 0000000000277ce8 R09: 0000000000000001
<4>[  688.723256] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b18
<4>[  688.723258] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce8003
<4>[  688.723259] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.723261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.723263] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.723264] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.723266] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.723267] Call Trace:
<4>[  688.723269]  <TASK>
<4>[  688.723271]  ? show_regs+0x6c/0x80
<4>[  688.723274]  ? __warn+0x93/0x1c0
<4>[  688.723278]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.723281]  ? report_bug+0x182/0x1b0
<4>[  688.723287]  ? handle_bug+0x6e/0xb0
<4>[  688.723289]  ? exc_invalid_op+0x18/0x80
<4>[  688.723292]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.723301]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.723305]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.723308]  ? mark_held_locks+0x46/0x90
<4>[  688.723319]  __iommu_map+0x119/0x2c0
<4>[  688.723328]  iommu_map_sg+0xbf/0x210
<4>[  688.723335]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.723345]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.724123]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  688.725648] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.725805] 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>[  688.725812] RBP: ffffc90001d6f248 R08: 0000000000277ce9 R09: 0000000000000001
<4>[  688.725813] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b17
<4>[  688.725815] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ce9003
<4>[  688.725816] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.725818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.725819] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.725821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.725822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.725824] Call Trace:
<4>[  688.725825]  <TASK>
<4>[  688.725827]  ? show_regs+0x6c/0x80
<4>[  688.725830]  ? __warn+0x93/0x1c0
<4>[  688.725834]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.725837]  ? report_bug+0x182/0x1b0
<4>[  688.725843]  ? handle_bug+0x6e/0xb0
<4>[  688.725845]  ? exc_invalid_op+0x18/0x80
<4>[  688.725848]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.725857]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.725860]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.725863]  ? mark_held_locks+0x46/0x90
<4>[  688.725875]  __iommu_map+0x119/0x2c0
<4>[  688.725884]  iommu_map_sg+0xbf/0x210
<4>[  688.725891]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.725901]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.726378]  ? lock_acquire+0xc9/0x300
<4>[  688.728184]  ? clear_bhb_loop+0x15/0x70
<4>[  688.728202] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  688.728363] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.728367] RDX: 0000000000000000 RSI: 0000000003e134eb RDI: 0000000000000000
<4>[  688.728368] RBP: ffffc90001d6f248 R08: 0000000000277cea R09: 0000000000000001
<4>[  688.728370] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b16
<4>[  688.728371] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cea003
<4>[  688.728373] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.728374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.728376] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.728377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.728379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.728380] Call Trace:
<4>[  688.728382]  <TASK>
<4>[  688.728383]  ? show_regs+0x6c/0x80
<4>[  688.728387]  ? __warn+0x93/0x1c0
<4>[  688.728390]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.728394]  ? report_bug+0x182/0x1b0
<4>[  688.728399]  ? handle_bug+0x6e/0xb0
<4>[  688.728402]  ? exc_invalid_op+0x18/0x80
<4>[  688.728405]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.728414]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.728417]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.728420]  ? mark_held_locks+0x46/0x90
<4>[  688.728431]  __iommu_map+0x119/0x2c0
<4>[  688.728441]  iommu_map_sg+0xbf/0x210
<4>[  688.728448]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.728458]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.728463]  dma_map_sgtable+0x1d/0x40
<4>[  688.728467]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.728776]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  688.730757] RSP: 002b:00007ffe2abfb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  688.730916] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  688.730923] RDX: 0000000000000000 RSI: 0000000003e134ec RDI: 0000000000000000
<4>[  688.730925] RBP: ffffc90001d6f248 R08: 0000000000277ceb R09: 0000000000000001
<4>[  688.730926] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b15
<4>[  688.730928] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ceb003
<4>[  688.730929] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.730931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.730933] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.730934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.730936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.730937] Call Trace:
<4>[  688.730938]  <TASK>
<4>[  688.730940]  ? show_regs+0x6c/0x80
<4>[  688.730944]  ? __warn+0x93/0x1c0
<4>[  688.730947]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.730951]  ? report_bug+0x182/0x1b0
<4>[  688.730956]  ? handle_bug+0x6e/0xb0
<4>[  688.730958]  ? exc_invalid_op+0x18/0x80
<4>[  688.730961]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.730970]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.730974]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.730977]  ? mark_held_locks+0x46/0x90
<4>[  688.730988]  __iommu_map+0x119/0x2c0
<4>[  688.730997]  iommu_map_sg+0xbf/0x210
<4>[  688.731004]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.731014]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.731020]  dma_map_sgtable+0x1d/0x40
<4>[  688.731023]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.731177]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.733300]  ? irqentry_exit+0x77/0xb0
<4>[  688.733322] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.733479] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.733483] RDX: 0000000000000000 RSI: 0000000003e134ed RDI: 0000000000000000
<4>[  688.733485] RBP: ffffc90001d6f248 R08: 0000000000277cec R09: 0000000000000001
<4>[  688.733486] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b14
<4>[  688.733488] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cec003
<4>[  688.733489] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.733491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.733492] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.733494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.733495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.733497] Call Trace:
<4>[  688.733498]  <TASK>
<4>[  688.733500]  ? show_regs+0x6c/0x80
<4>[  688.733503]  ? __warn+0x93/0x1c0
<4>[  688.733507]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.733510]  ? report_bug+0x182/0x1b0
<4>[  688.733516]  ? handle_bug+0x6e/0xb0
<4>[  688.733518]  ? exc_invalid_op+0x18/0x80
<4>[  688.733521]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.733530]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.733534]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.733537]  ? mark_held_locks+0x46/0x90
<4>[  688.733548]  __iommu_map+0x119/0x2c0
<4>[  688.733557]  iommu_map_sg+0xbf/0x210
<4>[  688.733564]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.733574]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.733579]  dma_map_sgtable+0x1d/0x40
<4>[  688.733583]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.733736]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.735861]  ? clear_bhb_loop+0x15/0x70
<4>[  688.735898] softirqs last  enabled at (234694436): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  688.736038] RDX: 0000000000000000 RSI: 0000000003e134ee RDI: 0000000000000000
<4>[  688.736039] RBP: ffffc90001d6f248 R08: 0000000000277ced R09: 0000000000000001
<4>[  688.736041] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b13
<4>[  688.736042] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277ced003
<4>[  688.736044] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.736046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.736047] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.736049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.736050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.736052] Call Trace:
<4>[  688.736053]  <TASK>
<4>[  688.736055]  ? show_regs+0x6c/0x80
<4>[  688.736058]  ? __warn+0x93/0x1c0
<4>[  688.736061]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.736065]  ? report_bug+0x182/0x1b0
<4>[  688.736071]  ? handle_bug+0x6e/0xb0
<4>[  688.736073]  ? exc_invalid_op+0x18/0x80
<4>[  688.736076]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.736085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.736088]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.736091]  ? mark_held_locks+0x46/0x90
<4>[  688.736103]  __iommu_map+0x119/0x2c0
<4>[  688.736112]  iommu_map_sg+0xbf/0x210
<4>[  688.736119]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.736129]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.736134]  dma_map_sgtable+0x1d/0x40
<4>[  688.736138]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.736296]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.738413]  ? irqentry_exit+0x77/0xb0
<4>[  688.738434] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.738592] RSP: 0018:ffffc90001d6f188 EFLAGS: 00010246
<4>[  688.738596] RDX: 0000000000000000 RSI: 0000000003e134ef RDI: 0000000000000000
<4>[  688.738597] RBP: ffffc90001d6f248 R08: 0000000000277cee R09: 0000000000000001
<4>[  688.738599] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b12
<4>[  688.738600] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cee003
<4>[  688.738602] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.738603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.738605] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.738606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.738608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.738609] Call Trace:
<4>[  688.738610]  <TASK>
<4>[  688.738612]  ? show_regs+0x6c/0x80
<4>[  688.738616]  ? __warn+0x93/0x1c0
<4>[  688.738619]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.738623]  ? report_bug+0x182/0x1b0
<4>[  688.738628]  ? handle_bug+0x6e/0xb0
<4>[  688.738630]  ? exc_invalid_op+0x18/0x80
<4>[  688.738633]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.738642]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.738646]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.738649]  ? mark_held_locks+0x46/0x90
<4>[  688.738660]  __iommu_map+0x119/0x2c0
<4>[  688.738669]  iommu_map_sg+0xbf/0x210
<4>[  688.738676]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.738686]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.738692]  dma_map_sgtable+0x1d/0x40
<4>[  688.738695]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.738849]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.740970]  ? clear_bhb_loop+0x15/0x70
<4>[  688.741004] hardirqs last disabled at (234704136): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  688.741147] RDX: 0000000000000000 RSI: 0000000003e134f0 RDI: 0000000000000000
<4>[  688.741148] RBP: ffffc90001d6f248 R08: 0000000000277cef R09: 0000000000000001
<4>[  688.741150] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b11
<4>[  688.741151] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cef003
<4>[  688.741153] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.741154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  688.741156] CR2: 0000702727917990 CR3: 000000014d0e6003 CR4: 00000000003726f0
<4>[  688.741157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  688.741159] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  688.741160] Call Trace:
<4>[  688.741161]  <TASK>
<4>[  688.741163]  ? show_regs+0x6c/0x80
<4>[  688.741167]  ? __warn+0x93/0x1c0
<4>[  688.741170]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.741174]  ? report_bug+0x182/0x1b0
<4>[  688.741179]  ? handle_bug+0x6e/0xb0
<4>[  688.741182]  ? exc_invalid_op+0x18/0x80
<4>[  688.741185]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  688.741194]  ? intel_iommu_map_pages+0x687/0x820
<4>[  688.741198]  ? intel_iommu_map_pages+0x664/0x820
<4>[  688.741201]  ? mark_held_locks+0x46/0x90
<4>[  688.741217]  __iommu_map+0x119/0x2c0
<4>[  688.741227]  iommu_map_sg+0xbf/0x210
<4>[  688.741234]  iommu_dma_map_sg+0x43b/0x520
<4>[  688.741244]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  688.741249]  dma_map_sgtable+0x1d/0x40
<4>[  688.741253]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  688.741406]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  688.743523]  ? irqentry_exit+0x77/0xb0
<4>[  688.743545] RBP: 00007ffe2abfb870 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  688.743701] 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>[  688.743708] RBP: ffffc90001d6f248 R08: 0000000000277cf0 R09: 0000000000000001
<4>[  688.743709] R10: ffff888120b7f000 R11: 0000000000000000 R12: 00000000000e9b10
<4>[  688.743711] R13: 0000000000000000 R14: ffff8881038e4588 R15: 0000000277cf0003
<4>[  688.743712] FS:  000070272545c940(0000) GS:ffff88845d800000(0000) knlGS:0000000000000000
<4>[  688.743714] CS:  0010 DS: 0000 ES: 00