igt@gem_exec_parallel@basic@vcs1 - incomplete - list_del corruption, .*->prev is LIST_POISON2, WARNING: CPU: \d+ PID: \d+ at lib/list_debug.c:\d+ __list_del_entry_valid
<6> [262.056044] [IGT] gem_exec_parallel: starting dynamic subtest vcs1
<4> [262.276810] ------------[ cut here ]------------
<4> [262.276845] list_del corruption, ffff88848d568978->prev is LIST_POISON2 (dead000000000122)
<4> [262.276866] WARNING: CPU: 2 PID: 4507 at lib/list_debug.c:50 __list_del_entry_valid+0x62/0x90
<4> [262.276868] Modules linked in: vgem snd_hda_codec_hdmi mei_hdcp i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_intel_dspcfg ghash_clmulni_intel cdc_ether usbnet snd_hda_codec mii snd_hwdep snd_hda_core e1000e mei_me snd_pcm ptp mei pps_core intel_lpss_pci prime_numbers
<4> [262.276889] CPU: 2 PID: 4507 Comm: gem_exec_parall Tainted: G U 5.8.0-rc7-CI-CI_DRM_8821+ #1
<4> [262.276891] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.3197.A00.2005110542 05/11/2020
<4> [262.276894] RIP: 0010:__list_del_entry_valid+0x62/0x90
<4> [262.276896] Code: 00 00 00 c3 48 89 fe 48 89 c2 48 c7 c7 98 17 33 82 e8 12 df b6 ff 0f 0b 31 c0 c3 48 89 fe 48 c7 c7 d0 17 33 82 e8 fe de b6 ff <0f> 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 08 18 33 82 e8 e7 de b6
<4> [262.276898] RSP: 0018:ffffc90007a6f808 EFLAGS: 00010082
<4> [262.276901] RAX: 0000000000000000 RBX: ffff88848d568800 RCX: 0000000000000002
<4> [262.276902] RDX: 0000000080000002 RSI: ffffffff82320abb RDI: 00000000ffffffff
<4> [262.276904] RBP: ffffc90007a6f840 R08: 0000000000000000 R09: 0000000000000001
<4> [262.276906] R10: 000000009504f00b R11: 0000000081126834 R12: ffff88847a18bf90
<4> [262.276908] R13: ffff88847a18cff8 R14: ffff88847a18d038 R15: 0000000000001000
<4> [262.276910] FS: 00007feb13ca7700(0000) GS:ffff8884a0700000(0000) knlGS:0000000000000000
<4> [262.276911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [262.276913] CR2: 00007feba5d19470 CR3: 000000049d94a006 CR4: 0000000000760ee0
<4> [262.276915] PKRU: 55555554
<4> [262.276916] Call Trace:
<4> [262.277019] intel_gt_get_buffer_pool+0x208/0x2e0 [i915]
<4> [262.277065] __reloc_entry_gpu+0x21b/0x1050 [i915]
<4> [262.277072] ? __might_fault+0x39/0x90
<4> [262.277114] eb_relocate_vma+0x1fb/0x400 [i915]
<4> [262.277124] ? __mutex_lock+0x9a/0x9c0
<4> [262.277127] ? find_held_lock+0x2d/0x90
<4> [262.277172] ? i915_vma_pin+0x5d7/0x1100 [i915]
<4> [262.277221] ? i915_vma_pin+0x5b0/0x1100 [i915]
<4> [262.277228] ? __mutex_unlock_slowpath+0x3e/0x2a0
<4> [262.277283] ? i915_vma_pin+0x5d7/0x1100 [i915]
<4> [262.277339] ? eb_lookup_vmas+0x2fa/0xe20 [i915]
<4> [262.277345] ? __mutex_unlock_slowpath+0x12f/0x2a0
<4> [262.277397] i915_gem_do_execbuffer+0xe87/0x2eb0 [i915]
<4> [262.277451] ? i915_gem_execbuffer2_ioctl+0xc6/0x4e0 [i915]
<4> [262.277469] ? lock_acquire+0xb5/0x3c0
<4> [262.277472] ? __might_fault+0x39/0x90
<4> [262.277477] ? find_held_lock+0x2d/0x90
<4> [262.277482] ? __might_fault+0x39/0x90
<4> [262.277536] i915_gem_execbuffer2_ioctl+0x116/0x4e0 [i915]
<4> [262.277588] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [262.277594] drm_ioctl_kernel+0xb0/0xf0
<4> [262.277600] drm_ioctl+0x305/0x3c0
<4> [262.277650] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [262.277662] ? __fget_files+0xfd/0x1f0
<4> [262.277670] ksys_ioctl+0x7b/0x90
<4> [262.277676] __x64_sys_ioctl+0x11/0x20
<4> [262.277679] do_syscall_64+0x56/0xe0
<4> [262.277683] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [262.277686] RIP: 0033:0x7feba5ce95d7
<4> [262.277689] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [262.277691] RSP: 002b:00007feb13ca6af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [262.277694] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007feba5ce95d7
<4> [262.277696] RDX: 00007feb13ca6b80 RSI: 0000000040406469 RDI: 0000000000000006
<4> [262.277698] RBP: 00007feb13ca6b80 R08: 00007feba5fbe234 R09: 00007feba5fbe240
<4> [262.277701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000040406469
<4> [262.277703] R13: 0000000000000006 R14: 0000000000000001 R15: 00005629ed5149a0
<4> [262.277735] irq event stamp: 490
<4> [262.277738] hardirqs last enabled at (489): [<ffffffff81a5d857>] _raw_spin_unlock_irqrestore+0x47/0x60
<4> [262.277741] hardirqs last disabled at (490): [<ffffffff81a5d59a>] _raw_spin_lock_irq+0xa/0x40
<4> [262.277744] softirqs last enabled at (368): [<ffffffff81e0038f>] __do_softirq+0x38f/0x498
<4> [262.277747] softirqs last disabled at (357): [<ffffffff81c00f4f>] asm_call_on_stack+0xf/0x20
<4> [262.277749] ---[ end trace 6e090997da99a51d ]---