https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_362/fi-tgl-u/igt@gem_userptr_blits@unsync-unmap-cycles.html

<6> [459.865430] Console: switching to colour dummy device 80x25
<6> [459.865471] [IGT] gem_userptr_blits: executing
<6> [459.868167] [IGT] gem_userptr_blits: starting subtest unsync-unmap-cycles
<6> [460.632387] ax88179_178a 3-1:1.0 enx000ec6fd59ae: ax88179 - Link status is: 1
<7> [462.800591] [drm:edp_panel_vdd_off_sync [i915]] Turning [ENCODER:243:DDI A] VDD off
<7> [462.800788] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
<7> [462.800885] [drm:intel_power_well_disable [i915]] disabling DC off
<7> [462.800979] [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [462.801049] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<7> [467.984645] hangcheck bcs0
<7> [467.984652] hangcheck 	Awake? 2
<7> [467.984655] hangcheck 	Hangcheck: 6016 ms ago
<7> [467.984659] hangcheck 	Reset count: 86 (global 64)
<7> [467.984661] hangcheck 	Requests:
<7> [467.984667] hangcheck 	MMIO base:  0x00022000
<7> [467.984677] hangcheck 	RING_START: 0x015ff000
<7> [467.984683] hangcheck 	RING_HEAD:  0x00000000
<7> [467.984689] hangcheck 	RING_TAIL:  0x00000068
<7> [467.984697] hangcheck 	RING_CTL:   0x00003001
<7> [467.984706] hangcheck 	RING_MODE:  0x00000000
<7> [467.984711] hangcheck 	RING_IMR: 00000000
<7> [467.984722] hangcheck 	ACTHD:  0x00000000_0a000140
<7> [467.984734] hangcheck 	BBADDR: 0x00000000_00000000
<7> [467.984745] hangcheck 	DMA_FADDR: 0x00000000_00000000
<7> [467.984751] hangcheck 	IPEIR: 0x00000000
<7> [467.984756] hangcheck 	IPEHR: 0x11081003
<7> [467.984765] hangcheck 	Execlist status: 0x00003098 60000020, entries 12
<7> [467.984769] hangcheck 	Execlist CSB read 1, write 2, tasklet queued? no (enabled)
<7> [467.984773] hangcheck 	Execlist CSB[2]: 0x00008019, context: 67076096
<7> [467.984782] hangcheck 		Pending[0] ring:{start:015ff000, hwsp:ffff9140, seqno:00000000}, rq:  457:2  prio=3 @ 8113ms: gem_userptr_bli[1202]
<7> [467.984791] hangcheck 		E  457:2  prio=3 @ 8113ms: gem_userptr_bli[1202]
<7> [467.984794] hangcheck 		Queue priority hint: 2
<7> [467.984799] hangcheck 		Q  457:4  prio=2 @ 8113ms: gem_userptr_bli[1202]
<7> [467.984805] hangcheck 		Q  457:6  prio=2 @ 8112ms: gem_userptr_bli[1202]
<7> [467.984810] hangcheck 		Q  457:8  prio=2 @ 8112ms: gem_userptr_bli[1202]
<7> [467.984814] hangcheck 		Q  457:a  prio=2 @ 8112ms: gem_userptr_bli[1202]
<7> [467.984819] hangcheck 		Q  457:c  prio=2 @ 8112ms: gem_userptr_bli[1202]
<7> [467.984823] hangcheck 		Q  457:e  prio=2 @ 8110ms: gem_userptr_bli[1202]
<7> [467.984828] hangcheck 		Q  457:10  prio=2 @ 8110ms: gem_userptr_bli[1202]
<7> [467.984844] hangcheck 		...skipping 101 queued requests...
<7> [467.984849] hangcheck 		Q  457:dc  prio=2 @ 8072ms: gem_userptr_bli[1202]
<7> [467.984852] hangcheck HWSP:
<7> [467.984858] hangcheck [0000] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [467.984861] hangcheck *
<7> [467.984866] hangcheck [0040] 00000019 03ff8000 03ff8018 00000000 00008019 03ff8000 03ff8018 00000000
<7> [467.984870] hangcheck [0060] 00000019 03ff8000 03ff8018 00000000 00008019 03ff8000 00000000 00000000
<7> [467.984874] hangcheck [0080] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [467.984878] hangcheck [00a0] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000002
<7> [467.984883] hangcheck [00c0] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
<7> [467.984886] hangcheck *
<7> [467.984890] hangcheck Idle? no
<5> [467.985934] i915 0000:00:02.0: Resetting bcs0 for hang on bcs0

And basically we get resets for 10 minutes...