Oops#1 Part5
<7>[ 132.707285] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (legacy -> disconnected) pin assignment: - max lanes: 4
<14>[ 135.661240] [IGT] gem_pread: finished subtest exhaustion, SUCCESS
<14>[ 135.661638] [IGT] gem_pread: exiting, ret=0
<7>[ 135.661850] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<4>[ 135.696818] ------------[ cut here ]------------
<4>[ 135.696828] DEBUG_LOCKS_WARN_ON(1)
<4>[ 135.696829] WARNING: kernel/locking/lockdep.c:238 at __lock_acquire+0xb58/0x2790, CPU#7: kworker/u32:14/2161
<4>[ 135.696840] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi i915 prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit cmdlinepart spi_nor mtd ee1004 mei_pxp mei_hdcp tps6598x typec intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel wmi_bmof kvm irqbypass snd_hda_intel ghash_clmulni_intel snd_intel_dspcfg aesni_intel snd_hda_codec rapl snd_hda_core snd_hwdep intel_cstate snd_pcm igc snd_timer i2c_i801 snd spi_intel_pci idma64 mei_me i2c_mux spi_intel i2c_smbus soundcore binfmt_misc thunderbolt mei igen6_edac video serial_multi_instantiate intel_pmc_core pmt_telemetry pmt_discovery nls_iso8859_1 pmt_class wmi intel_pmc_ssram_telemetry intel_vsec pinctrl_tigerlake acpi_tad acpi_pad dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4
<4>[ 135.696905] CPU: 7 UID: 0 PID: 2161 Comm: kworker/u32:14 Tainted: G S U 7.0.0-rc2-CI_DRM_18101-g0173caacd7e6+ #1 PREEMPT(lazy)
Oops#1 Part4
<4>[ 135.696912] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER
<4>[ 135.696914] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4>[ 135.696919] Workqueue: i915 __i915_gem_free_work [i915]
<4>[ 135.697095] RIP: 0010:__lock_acquire+0xb5f/0x2790
<4>[ 135.697101] Code: 55 b0 85 c0 44 8b 5d a8 0f 84 2b fc ff ff 8b 05 d7 e0 51 02 85 c0 0f 85 1d fc ff ff 48 8d 3d 98 f6 52 02 48 c7 c6 c9 53 1e 83 <67> 48 0f b9 3a 31 c0 44 8b 5d a8 4c 8b 55 b0 44 8b 4d b8 e9 a3 f6
<4>[ 135.697109] RSP: 0018:ffffc9000ff5fbf8 EFLAGS: 00010046
<4>[ 135.697112] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
<4>[ 135.697115] RDX: 0000000000000000 RSI: ffffffff831e53c9 RDI: ffffffff839bd3d0
<4>[ 135.697119] RBP: ffffc9000ff5fc98 R08: 0000000000000000 R09: 0000000000000002
<4>[ 135.697122] R10: ffff888146808ff0 R11: 0000000000000001 R12: c318db6ac78d5461
<4>[ 135.697125] R13: 0000000000000000 R14: ffff88819c411468 R15: ffff888146808040
<4>[ 135.697128] FS: 0000000000000000(0000) GS:ffff88851c419000(0000) knlGS:0000000000000000
<4>[ 135.697132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 135.697135] CR2: 000000071acefb6c CR3: 000000013e6cc006 CR4: 0000000000f72ef0
<4>[ 135.697138] PKRU: 55555554
<4>[ 135.697140] Call Trace:
<4>[ 135.697142]
<4>[ 135.697146] ? irqentry_exit+0x6a/0x7c0
<4>[ 135.697151] ? sysvec_apic_timer_interrupt+0x57/0xc0
<4>[ 135.697155] ? trace_hardirqs_on+0x22/0x100
<4>[ 135.697161] lock_acquire+0xc4/0x2f0
<4>[ 135.697165] ? dma_buf_put+0x30/0x120
<4>[ 135.697170] _raw_spin_lock+0x2f/0x60
Oops#1 Part3
<4>[ 135.697174] ? dma_buf_put+0x30/0x120
<4>[ 135.697177] dma_buf_put+0x30/0x120
<4>[ 135.697181] drm_prime_gem_destroy+0x38/0x50
<4>[ 135.697185] __i915_gem_free_object+0x60/0x200 [i915]
<4>[ 135.697332] __i915_gem_free_objects.isra.0+0x7b/0xd0 [i915]
<4>[ 135.697467] __i915_gem_free_work+0x25/0x30 [i915]
<4>[ 135.697605] process_one_work+0x22e/0x740
<4>[ 135.697612] worker_thread+0x1e8/0x3d0
<4>[ 135.697615] ? __pfx_worker_thread+0x10/0x10
<4>[ 135.697619] kthread+0x10d/0x150
<4>[ 135.697623] ? __pfx_kthread+0x10/0x10
<4>[ 135.697627] ret_from_fork+0x3d4/0x480
<4>[ 135.697632] ? __pfx_kthread+0x10/0x10
<4>[ 135.697636] ret_from_fork_asm+0x1a/0x30
<4>[ 135.697642]
<4>[ 135.697645] irq event stamp: 2041597
<4>[ 135.697647] hardirqs last enabled at (2041597): [] irqentry_exit+0x6a/0x7c0
<4>[ 135.697653] hardirqs last disabled at (2041595): [] handle_softirqs+0x457/0x500
<4>[ 135.697660] softirqs last enabled at (2041596): [] __irq_exit_rcu+0x13f/0x160
<4>[ 135.697665] softirqs last disabled at (2041291): [] __irq_exit_rcu+0x13f/0x160
<4>[ 135.697670] ---[ end trace 0000000000000000 ]---
<1>[ 135.697676] BUG: kernel NULL pointer dereference, address: 00000000000000c4
<1>[ 135.697680] #PF: supervisor read access in kernel mode
<1>[ 135.697683] #PF: error_code(0x0000) - not-present page
<6>[ 135.697686] PGD 0 P4D 0
<4>[ 135.697689] Oops: Oops: 0000 [#1] SMP NOPTI
<4>[ 135.697693] CPU: 7 UID: 0 PID: 2161 Comm: kworker/u32:14 Tainted: G S U W 7.0.0-rc2-CI_DRM_18101-g0173caacd7e6+ #1 PREEMPT(lazy)
Oops#1 Part2
<4>[ 135.697700] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [W]=WARN
<4>[ 135.697703] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020
<4>[ 135.697708] Workqueue: i915 __i915_gem_free_work [i915]
<4>[ 135.697855] RIP: 0010:__lock_acquire+0x21a/0x2790
<4>[ 135.697859] Code: 41 89 42 20 4c 89 e0 25 ff 1f 00 00 48 0f a3 05 bc a7 b8 03 0f 83 56 05 00 00 48 8d 04 80 48 8d 04 80 48 8d 04 c5 a0 7f 01 85 <44> 0f b6 b0 c4 00 00 00 41 0f b7 42 20 66 25 ff 1f 0f b7 c0 48 0f
<4>[ 135.697867] RSP: 0018:ffffc9000ff5fbf8 EFLAGS: 00010046
<4>[ 135.697871] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
<4>[ 135.697874] RDX: 0000000000000000 RSI: ffffffff831e53c9 RDI: ffffffff839bd3d0
<4>[ 135.697878] RBP: ffffc9000ff5fc98 R08: 0000000000000000 R09: 0000000000000002
<4>[ 135.697881] R10: ffff888146808ff0 R11: 0000000000000001 R12: c318db6ac78d5461
<4>[ 135.697885] R13: 0000000000000000 R14: ffff88819c411468 R15: ffff888146808040
<4>[ 135.697888] FS: 0000000000000000(0000) GS:ffff88851c419000(0000) knlGS:0000000000000000
<4>[ 135.697893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 135.697896] CR2: 00000000000000c4 CR3: 000000013e6cc006 CR4: 0000000000f72ef0
<4>[ 135.697899] PKRU: 55555554
<4>[ 135.697902] Call Trace:
<4>[ 135.697903]
<4>[ 135.697906] ? irqentry_exit+0x6a/0x7c0
<4>[ 135.697910] ? sysvec_apic_timer_interrupt+0x57/0xc0
<4>[ 135.697914] ? trace_hardirqs_on+0x22/0x100
<4>[ 135.697919] lock_acquire+0xc4/0x2f0
<4>[ 135.697923] ? dma_buf_put+0x30/0x120
<4>[ 135.697929] _raw_spin_lock+0x2f/0x60
<4>[ 135.697932] ? dma_buf_put+0x30/0x120
Oops#1 Part1
<4>[ 135.697936] dma_buf_put+0x30/0x120
<4>[ 135.697939] drm_prime_gem_destroy+0x38/0x50
<4>[ 135.697943] __i915_gem_free_object+0x60/0x200 [i915]
<4>[ 135.698084] __i915_gem_free_objects.isra.0+0x7b/0xd0 [i915]
<4>[ 135.698225] __i915_gem_free_work+0x25/0x30 [i915]
<4>[ 135.698365] process_one_work+0x22e/0x740
<4>[ 135.698371] worker_thread+0x1e8/0x3d0
<4>[ 135.698374] ? __pfx_worker_thread+0x10/0x10
<4>[ 135.698377] kthread+0x10d/0x150
<4>[ 135.698381] ? __pfx_kthread+0x10/0x10
<4>[ 135.698386] ret_from_fork+0x3d4/0x480
<4>[ 135.698389] ? __pfx_kthread+0x10/0x10
<4>[ 135.698393] ret_from_fork_asm+0x1a/0x30
<4>[ 135.698400]
<4>[ 135.698402] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi i915 prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit cmdlinepart spi_nor mtd ee1004 mei_pxp mei_hdcp tps6598x typec intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel wmi_bmof kvm irqbypass snd_hda_intel ghash_clmulni_intel snd_intel_dspcfg aesni_intel snd_hda_codec rapl snd_hda_core snd_hwdep intel_cstate snd_pcm igc snd_timer i2c_i801 snd spi_intel_pci idma64 mei_me i2c_mux spi_intel i2c_smbus soundcore binfmt_misc thunderbolt mei igen6_edac video serial_multi_instantiate intel_pmc_core pmt_telemetry pmt_discovery nls_iso8859_1 pmt_class wmi intel_pmc_ssram_telemetry intel_vsec pinctrl_tigerlake acpi_tad acpi_pad dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4
<4>[ 135.698472] CR2: 00000000000000c4
<4>[ 135.698476] ---[ end trace 0000000000000000 ]---