igt@gem_ctx_shared@q-independent@rcs0 - incomplete - GEM_BUG_ON(i915_request_completed(rq))
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5806/shard-glk8/igt@gem_ctx_shared@q-independent@rcs0.html#dmesg-warnings14
<0> [125.637495] ksoftirq-16 1d.s1 118389001us : trace_ports.part.79: 0000:00:02.0 rcs0: submit { ccid:40 66:2* prio 1023, ccid:60 67:2 prio 1023 }
<0> [125.637698] dmesg-879 1..s1 118389060us : process_csb: 0000:00:02.0 rcs0: cs-irq head=5, tail=0
<0> [125.637870] dmesg-879 1..s1 118389061us : process_csb: 0000:00:02.0 rcs0: csb[0]: status=0x00000020:0x00000802
<0> [125.638053] dmesg-879 1..s1 118389065us : trace_ports.part.79: 0000:00:02.0 rcs0: preempted { ccid:20 64:2* prio 1023, ccid:40 66:2* prio 1023 }
<0> [125.638259] dmesg-879 1..s1 118389069us : trace_ports.part.79: 0000:00:02.0 rcs0: promote { ccid:40 66:2* prio 1023, ccid:60 67:2 prio 1023 }
<0> [125.638462] dmesg-879 1..s1 118389073us : process_csb: 0000:00:02.0 rcs0: bump timeslicing, interval:1
<0> [125.638557] gem_ctx_-1227 0.... 118389665us : __i915_request_create: __i915_request_create:858 GEM_BUG_ON(i915_request_completed(rq))
<0> [125.638750] ---------------------------------
<4> [125.641175] ------------[ cut here ]------------
<2> [125.641182] kernel BUG at drivers/gpu/drm/i915/i915_request.c:858!
<4> [125.641250] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [125.641263] CPU: 0 PID: 1227 Comm: gem_ctx_shared Tainted: G W 5.9.0-rc8-CI-CI_DRM_9118+ #1
<4> [125.641280] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [125.641428] RIP: 0010:__i915_request_create+0x16b/0x610 [i915]
<4> [125.641441] Code: 00 48 c7 c2 f0 46 4b a0 48 c7 c7 3d 1c 3a a0 e8 eb 8e e0 e0 bf 01 00 00 00 e8 f1 60 e0 e0 31 f6 bf 09 00 00 00 e8 35 f9 d0 e0 <0f> 0b 48 89 df e8 9b e0 ff ff 44 39 e8 79 96 e8 d1 2f da e0 4c 8d
<4> [125.641471] RSP: 0018:ffffc90000bcfa70 EFLAGS: 00010246
<4> [125.641482] RAX: 0000000000000200 RBX: ffff888259056ec0 RCX: 0000000000000006
<4> [125.641495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
<4> [125.641508] RBP: ffff888262731e00 R08: 0000000000000001 R09: 0000000000000001
<4> [125.641521] R10: 00000000a2a680e4 R11: 000000005201c1e5 R12: ffff88826fa78e00
<4> [125.641534] R13: 0000000000000002 R14: ffffc90000bcfb50 R15: 0000000000000000
<4> [125.641547] FS: 00007f1cd3bf0e40(0000) GS:ffff888278000000(0000) knlGS:0000000000000000
<4> [125.641562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [125.641573] CR2: 00007f1cd3c22040 CR3: 00000002581f4000 CR4: 0000000000350ef0
<4> [125.641585] Call Trace:
<4> [125.641685] i915_request_create+0x8c/0x1d0 [i915]
<4> [125.641782] i915_gem_do_execbuffer+0x12a1/0x22c0 [i915]
<4> [125.641808] ? __lock_acquire+0x909/0x1f50
<4> [125.641821] ? lock_acquire+0xbb/0x3d0
<4> [125.641832] ? __might_fault+0x39/0x90
<4> [125.641932] i915_gem_execbuffer2_ioctl+0xed/0x220 [i915]
<4> [125.642045] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [125.642059] drm_ioctl_kernel+0xb0/0xf0
<4> [125.642074] drm_ioctl+0x305/0x3c0
<4> [125.642191] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [125.642209] ? exc_page_fault+0x199/0x650
<4> [125.642220] ? syscall_enter_from_user_mode+0x17/0x50
<4> [125.642236] __x64_sys_ioctl+0x71/0xb0
<4> [125.642247] ? lockdep_hardirqs_on+0xbe/0x130
<4> [125.642257] do_syscall_64+0x33/0x80
<4> [125.642266] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [125.642276] RIP: 0033:0x7f1cd30695d7
<4> [125.642286] 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> [125.642314] RSP: 002b:00007fff3b6b67e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [125.642329] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f1cd30695d7
<4> [125.642341] RDX: 000055a00ed68ff8 RSI: 00000000c0406469 RDI: 0000000000000006
<4> [125.642353] RBP: 000055a00ed68ff8 R08: 0000000000000006 R09: 0000000100004000
<4> [125.642366] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000c0406469
<4> [125.642381] R13: 0000000000000006 R14: 00007fff3b6b7630 R15: 00007fff3b6b6870
<4> [125.642401] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio mei_hdcp i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btusb btrtl snd_hda_intel btbcm snd_intel_dspcfg btintel snd_hda_codec bluetooth snd_hwdep ecdh_generic ecc snd_hda_core r8169 snd_pcm realtek mei_me mei prime_numbers i2c_hid pinctrl_geminilake pinctrl_intel
<4> [125.642624] ---[ end trace 80cca065d7006077 ]---