Note that (In reply to Marta Löfstedt from comment #0)
> CI_DRM_3253 GLK-shards
> igt@kms_atomic_transition@plane-all-modeset-transition softdog incomplete.
> 
> <14>[  401.344189] [IGT] kms_frontbuffer_tracking: exiting, ret=77
> <4>[  401.361734] ------------[ cut here ]------------
> <2>[  401.361764] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:879!
> <4>[  401.361802] invalid opcode: 0000 [#1] PREEMPT SMP
> <4>[  401.361815] Modules linked in: snd_hda_codec_realtek
> snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp i915
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel r8169
> snd_hda_codec snd_hwdep mii snd_hda_core snd_pcm mei_me prime_numbers mei
> i2c_hid pinctrl_geminilake pinctrl_intel
> <4>[  401.361907] CPU: 1 PID: 0 Comm: swapper/1 Not tainted
> 4.14.0-rc5-CI-CI_DRM_3252+ #1
> <4>[  401.361924] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07),
> BIOS GELKRVPA.X64.0062.B30.1708222146 08/22/2017
> <4>[  401.361946] task: ffff88017aa30040 task.stack: ffffc900000c0000
> <4>[  401.362026] RIP: 0010:intel_lrc_irq_handler+0x2a9/0x8a0 [i915]
> <4>[  401.362038] RSP: 0018:ffff88017fc83ea0 EFLAGS: 00010202
> <4>[  401.362052] RAX: 0000000000000002 RBX: 0000000000000005 RCX:
> 0000000000000003
> <4>[  401.362067] RDX: 0000000000000000 RSI: ffffffff81d0d8ac RDI:
> 00000000ffffffff
> <4>[  401.362082] RBP: ffff88017fc83ef8 R08: 0000000000000000 R09:
> ffff880168b09b40
> <4>[  401.362097] R10: 0000000000000000 R11: 0000000000000000 R12:
> ffff88016654b040
> <4>[  401.362111] R13: 0000000000000005 R14: 0000000000000000 R15:
> ffff880167daa158
> <4>[  401.362127] FS:  0000000000000000(0000) GS:ffff88017fc80000(0000)
> knlGS:0000000000000000
> <4>[  401.362145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> <4>[  401.362157] CR2: 00007f5943ffa760 CR3: 000000016b557000 CR4:
> 00000000003406e0
> <4>[  401.362173] Call Trace:
> <4>[  401.362181]  <IRQ>
> <4>[  401.362193]  ? tasklet_hi_action+0x71/0x120
> <4>[  401.362206]  tasklet_hi_action+0x98/0x120
> <4>[  401.362219]  __do_softirq+0xc0/0x4ae
> <4>[  401.362232]  irq_exit+0xae/0xc0
> <4>[  401.362242]  scheduler_ipi+0x83/0x130
> <4>[  401.362253]  smp_reschedule_interrupt+0x2f/0x270
> <4>[  401.362265]  reschedule_interrupt+0x9a/0xa0
> <4>[  401.362275]  </IRQ>
> <4>[  401.362284] RIP: 0010:cpuidle_enter_state+0x136/0x370
> <4>[  401.362295] RSP: 0018:ffffc900000c3e80 EFLAGS: 00000212 ORIG_RAX:
> ffffffffffffff02
> <4>[  401.362313] RAX: ffff88017aa30040 RBX: 00000000000fa464 RCX:
> 0000000000000001
> <4>[  401.362328] RDX: 0000000000000000 RSI: ffffffff81d0d8ac RDI:
> ffffffff81cc1886
> <4>[  401.362343] RBP: ffffc900000c3eb8 R08: 000000000000073e R09:
> 0000000000000018
> <4>[  401.362358] R10: 0000000000000000 R11: 0000000000000000 R12:
> 0000000000000004
> <4>[  401.362373] R13: 0000000000000004 R14: ffff88017fca4b30 R15:
> 0000005d72f5225f
> <4>[  401.362393]  cpuidle_enter+0x17/0x20
> <4>[  401.362405]  call_cpuidle+0x23/0x40
> <4>[  401.362415]  do_idle+0x192/0x1e0
> <4>[  401.362425]  cpu_startup_entry+0x1d/0x20
> <4>[  401.362437]  start_secondary+0x11c/0x140
> <4>[  401.362449]  secondary_startup_64+0xa5/0xa5
> <4>[  401.362463] Code: 4d d0 49 c7 01 00 00 00 00 49 c7 41 08 00 00 00 00
> 4d 8b 8f 48 03 00 00 e9 54 ff ff ff 0f 0b 0f 0b 4c 89 cf e8 49 a8 4d e1 eb
> b0 <0f> 0b 41 8b 47 28 8d 88 70 03 00 00 48 8b 45 c8 48 03 88 a8 0b 
> <1>[  401.362631] RIP: intel_lrc_irq_handler+0x2a9/0x8a0 [i915] RSP:
> ffff88017fc83ea0
> <4>[  401.362654] ---[ end trace cbb8de84eed061fa ]---
> 
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3253/shard-glkb4/
> igt@kms_atomic_transition@plane-all-modeset-transition.html

COPY PASTE ERROR!!!! I will close and fix new BUG