igt@i915_selftest@live@requests - incomplete - GEM_BUG_ON("context completed before request")

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8216/shard-iclb8/igt@i915_selftest@live@requests.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8216/filelist.html
<0>[  298.173504] igt_runn-1127    1..s. 287907003us : process_csb: process_csb:2482 GEM_BUG_ON("context completed before request")
<0>[  298.173550] ---------------------------------
<6>[  298.173742] vecs0: 7063 requests
<6>[  298.173746] rcs0: 432 requests
<6>[  298.173749] vcs0: 6995 requests
<4>[  298.174219] ------------[ cut here ]------------
<2>[  298.174224] kernel BUG at drivers/gpu/drm/i915/gt/intel_lrc.c:2482!
<4>[  298.174264] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4>[  298.174265] irq event stamp: 271271
<4>[  298.174276] CPU: 1 PID: 1127 Comm: igt_runner Tainted: G     U  W         5.6.0-CI-CI_DRM_8216+ #1
<4>[  298.174287] hardirqs last  enabled at (271271): [<ffffffff8112ffa7>] do_syslog+0x5b7/0x8d0
<4>[  298.174297] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3234.A01.1906141750 06/14/2019
<4>[  298.174310] hardirqs last disabled at (271270): [<ffffffff8112ffe5>] do_syslog+0x5f5/0x8d0
<4>[  298.174322] softirqs last  enabled at (271226): [<ffffffff81e00385>] __do_softirq+0x385/0x47f
<4>[  298.174444] RIP: 0010:process_csb+0x5de/0x840 [i915]
<4>[  298.174447] Code: 00 48 c7 c2 70 a8 3b a0 48 c7 c7 fb 25 24 a0 e8 78 07 f6 e0 bf 01 00 00 00 e8 ae d9 f5 e0 31 f6 bf 09 00 00 00 e8 f2 fb e6 e0 <0f> 0b 48 c7 c1 b0 91 3e a0 ba b8 09 00 00 48 c7 c6 70 a8 3b a0 48
<4>[  298.174458] softirqs last disabled at (271217): [<ffffffff810bab3a>] irq_exit+0xba/0xc0
<4>[  298.174472] RSP: 0018:ffffc90000170ea8 EFLAGS: 00010296
<4>[  298.174531] RAX: ffff88848db94040 RBX: ffff888489425ec0 RCX: 0000000000000000
<4>[  298.174544] RDX: 0000000000000046 RSI: 0000000000000000 RDI: 0000000000000009
<4>[  298.174556] RBP: ffffc90000170ef8 R08: 0000000000000000 R09: 0000000000000000
<4>[  298.174569] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88848826a018
<4>[  298.174582] R13: ffff88848826a000 R14: 0000000000000ef0 R15: 000000000000c836
<4>[  298.174597] FS:  00007ff00c747980(0000) GS:ffff88849fe80000(0000) knlGS:0000000000000000
<4>[  298.174614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  298.174628] CR2: 0000560651b7b050 CR3: 00000004747a6001 CR4: 0000000000760ee0
<4>[  298.174643] PKRU: 55555554
<4>[  298.174650] Call Trace:
<4>[  298.174657]  <IRQ>
<4>[  298.174743]  execlists_submission_tasklet+0x2d/0x130 [i915]
<4>[  298.174760]  tasklet_action_common.isra.16+0x6c/0x1c0
<4>[  298.174776]  __do_softirq+0xdf/0x47f
<4>[  298.174789]  irq_exit+0xba/0xc0
<4>[  298.174800]  do_IRQ+0x83/0x160
<4>[  298.174812]  common_interrupt+0xf/0xf
<4>[  298.174820]  </IRQ>
<4>[  298.174829] RIP: 0010:free_unref_page_list+0x1ef/0x250
<4>[  298.174839] Code: df 20 de 7e 0f 85 35 ff ff ff e8 8e bf dc ff e9 2b ff ff ff 4c 89 e6 81 e6 00 02 00 00 48 85 f6 74 20 e8 c4 d8 f6 ff 41 54 9d <5b> 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b1 d8 f6 ff 41 54 9d e9 27 ff
<4>[  298.174870] RSP: 0018:ffffc90000e3fd10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc
<4>[  298.174887] RAX: ffff88848db94040 RBX: ffffc90000e3fd70 RCX: 0000000000000000
<4>[  298.174903] RDX: 0000000000000046 RSI: 0000000000000006 RDI: ffffffff8237a63d
<4>[  298.174917] RBP: ffffffff82761e70 R08: 0000000000000000 R09: 0000000000000000
<4>[  298.174931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000246
<4>[  298.174944] R13: ffffc90000e3fd78 R14: ffffc90000e3fdf0 R15: ffffc90000e3fd70
<4>[  298.174965]  release_pages+0x4b8/0x630
<4>[  298.174976]  ? lru_deactivate_file_fn+0x670/0x670
<4>[  298.174989]  __pagevec_release+0x1f/0x30
<4>[  298.175001]  __filemap_fdatawait_range+0x143/0x150
<4>[  298.175022]  ? __filemap_fdatawrite_range+0xc6/0x100
<4>[  298.175035]  ? __filemap_fdatawrite_range+0xd4/0x100
<4>[  298.175052]  file_write_and_wait_range+0x66/0x90
<4>[  298.175064]  ext4_sync_file+0x1a4/0x4e0
<4>[  298.175076]  do_fsync+0x33/0x60
<4>[  298.175085]  __x64_sys_fdatasync+0xe/0x20
<4>[  298.175095]  do_syscall_64+0x4f/0x220
<4>[  298.175104]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[  298.175114] RIP: 0033:0x7ff00b29b2c4
<4>[  298.175124] Code: 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8d 05 41 96 2d 00 8b 00 85 c0 75 13 b8 4b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3c f3 c3 66 90 53 89 fb 48 83 ec 10 e8 04 94
<4>[  298.175155] RSP: 002b:00007ffe75e30758 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
<4>[  298.175173] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff00b29b2c4
<4>[  298.175188] RDX: 00007ff00c747900 RSI: 00007ffe75e2ff10 RDI: 000000000000000b
<4>[  298.175202] RBP: 00007ffe75e30830 R08: 000000000005bbbc R09: 000000000000011e
<4>[  298.175215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006
<4>[  298.175227] R13: 000000000000000c R14: 0000000000000000 R15: 000000000000000e
<4>[  298.175244] Modules linked in: i915(+) vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_dspcfg e1000e snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core cdc_ether usbnet mii snd_pcm ptp pps_core mei_me mei intel_lpss_pci prime_numbers [last unloaded: i915]
<4>[  298.175342] ---[ end trace c5228b06ca848abf ]---
<4>[  298.669712] RIP: 0010:process_csb+0x5de/0x840 [i915]
<4>[  298.669729] Code: 00 48 c7 c2 70 a8 3b a0 48 c7 c7 fb 25 24 a0 e8 78 07 f6 e0 bf 01 00 00 00 e8 ae d9 f5 e0 31 f6 bf 09 00 00 00 e8 f2 fb e6 e0 <0f> 0b 48 c7 c1 b0 91 3e a0 ba b8 09 00 00 48 c7 c6 70 a8 3b a0 48
<4>[  298.669756] RSP: 0018:ffffc90000170ea8 EFLAGS: 00010296
<4>[  298.669766] RAX: ffff88848db94040 RBX: ffff888489425ec0 RCX: 0000000000000000
<4>[  298.669777] RDX: 0000000000000046 RSI: 0000000000000000 RDI: 0000000000000009
<4>[  298.669788] RBP: ffffc90000170ef8 R08: 0000000000000000 R09: 0000000000000000
<4>[  298.669799] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88848826a018
<4>[  298.669809] R13: ffff88848826a000 R14: 0000000000000ef0 R15: 000000000000c836
<4>[  298.669821] FS:  00007ff00c747980(0000) GS:ffff88849fe80000(0000) knlGS:0000000000000000
<4>[  298.669833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  298.669842] CR2: 0000560651b7b050 CR3: 00000004747a6001 CR4: 0000000000760ee0
<4>[  298.669853] PKRU: 55555554
<0>[  298.669859] Kernel panic - not syncing: Fatal exception in interrupt
<0>[  298.669874] Kernel Offset: disabled
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igt@i915_selftest@live@requests - incomplete - GEM_BUG_ON("context completed before request")
