https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4710/fi-icl-u/igt@drv_selftest@live_requests.html

<3> [429.041851] process_csb:965 GEM_BUG_ON(status & (1 << 1))
<4> [429.041869] ------------[ cut here ]------------
<2> [429.041871] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:965!
<4> [429.041877] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [429.041881] CPU: 2 PID: 4776 Comm: drv_selftest Tainted: G     U  W         4.20.0-rc1-CI-CI_DRM_5090+ #1
<4> [429.041891] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014 10/17/2018
<4> [429.041951] RIP: 0010:process_csb+0x473/0x790 [i915]
<4> [429.041954] Code: bc a1 88 e0 48 8b 35 2c fe 19 00 49 c7 c0 ee a8 95 a0 b9 c5 03 00 00 48 c7 c2 d0 07 94 a0 48 c7 c7 ce 1f 87 a0 e8 0d 28 8f e0 <0f> 0b 48 c7 c1 68 8a 97 a0 ba ac 03 00 00 48 c7 c6 d0 07 94 a0 48
<4> [429.041957] RSP: 0018:ffff8804afe83e58 EFLAGS: 00010082
<4> [429.041959] RAX: 0000000000000009 RBX: ffff880442f38008 RCX: 0000000000000000
<4> [429.041961] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8804ae26f4e8
<4> [429.041964] RBP: ffff8804afe83ec0 R08: 000000000095dca5 R09: ffff8804ae3fb000
<4> [429.041965] R10: 0000000000000000 R11: ffff8804ae26f4e8 R12: ffff88047167706c
<4> [429.041967] R13: 0000000000000005 R14: ffff88047163b1c0 R15: ffff880471677040
<4> [429.041970] FS:  00007f31981fd980(0000) GS:ffff8804afe80000(0000) knlGS:0000000000000000
<4> [429.041972] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [429.041974] CR2: 000055cc2f099280 CR3: 000000043f234004 CR4: 0000000000760ee0
<4> [429.041976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [429.041978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [429.041980] PKRU: 55555554
<4> [429.041981] Call Trace:
<4> [429.041984]  <IRQ>
<4> [429.042029]  __execlists_submission_tasklet+0x2c/0xc20 [i915]
<4> [429.042068]  execlists_submission_tasklet+0x46/0x60 [i915]
<4> [429.042073]  tasklet_action_common.isra.4+0x47/0xb0
<4> [429.042078]  __do_softirq+0xd8/0x4b9
<4> [429.042082]  do_softirq_own_stack+0x2a/0x40
<4> [429.042084]  </IRQ>
<4> [429.042123]  ? i915_request_add+0x342/0x7e0 [i915]
<4> [429.042126]  do_softirq.part.3+0x49/0x50
<4> [429.042129]  __local_bh_enable_ip+0xf6/0x100
<4> [429.042163]  i915_request_add+0x37c/0x7e0 [i915]
<4> [429.042195]  empty_request.isra.12+0x4f/0x70 [i915]
<4> [429.042225]  live_empty_request+0x1f6/0x5c0 [i915]
<4> [429.042277]  __i915_subtests+0x5e/0xf0 [i915]
<4> [429.042318]  __run_selftests+0x10b/0x190 [i915]
<4> [429.042354]  i915_live_selftests+0x2c/0x60 [i915]
<4> [429.042391]  i915_pci_probe+0x50/0xa0 [i915]
<4> [429.042396]  pci_device_probe+0xa1/0x130
<4> [429.042401]  really_probe+0xf3/0x3e0
<4> [429.042405]  driver_probe_device+0x10a/0x120
<4> [429.042408]  __driver_attach+0xdb/0x100
<4> [429.042411]  ? driver_probe_device+0x120/0x120
<4> [429.042413]  ? driver_probe_device+0x120/0x120
<4> [429.042417]  bus_for_each_dev+0x74/0xc0
<4> [429.042420]  bus_add_driver+0x15f/0x250
<4> [429.042423]  ? 0xffffffffa0a7a000
<4> [429.042426]  driver_register+0x56/0xe0
<4> [429.042428]  ? 0xffffffffa0a7a000
<4> [429.042431]  do_one_initcall+0x58/0x2e0
<4> [429.042435]  ? kmem_cache_alloc_trace+0x1eb/0x290
<4> [429.042440]  do_init_module+0x56/0x1ea
<4> [429.042444]  load_module+0x2714/0x29f0
<4> [429.042452]  ? __se_sys_finit_module+0xd3/0xf0
<4> [429.042455]  __se_sys_finit_module+0xd3/0xf0
<4> [429.042460]  do_syscall_64+0x55/0x190
<4> [429.042464]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [429.042466] RIP: 0033:0x7f3197ac6839
<4> [429.042469] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
<4> [429.042472] RSP: 002b:00007fffe60d26f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
<4> [429.042474] RAX: ffffffffffffffda RBX: 0000564c29dfadb0 RCX: 00007f3197ac6839
<4> [429.042476] RDX: 0000000000000000 RSI: 0000564c29dfbb50 RDI: 0000000000000006
<4> [429.042478] RBP: 0000564c29dfbb50 R08: 0000000000000004 R09: 0000000000000000
<4> [429.042480] R10: 00007fffe60d2870 R11: 0000000000000246 R12: 0000000000000000
<4> [429.042482] R13: 0000564c29df4130 R14: 0000000000000020 R15: 000000000000003c
<4> [429.042487] Modules linked in: i915(+) amdgpu chash gpu_sched ttm vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ax88179_178a x86_pkg_temp_thermal usbnet coretemp mii snd_hda_codec crct10dif_pclmul snd_hwdep crc32_pclmul snd_hda_core ghash_clmulni_intel snd_pcm e1000e prime_numbers [last unloaded: i915]