igt@i915_selftest@live@hangcheck - incomplete - no useful logs
Stdout
Starting dynamic subtest: hangcheck
Stderr
Starting dynamic subtest: hangcheck
Dmesg
<6> [551.268554] [IGT] i915_selftest: starting dynamic subtest hangcheck
<5> [551.787049] Setting dangerous option live_selftests - tainting kernel
<6> [551.847957] i915 0000:4d:00.0: Force probing unsupported Device ID 56c0, tainting kernel
<7> [551.848079] i915 0000:4d:00.0: [drm:intel_display_device_probe [i915]] Unknown device ID 56c0; disabling display.
<7> [551.851816] i915 0000:4d:00.0: [drm:intel_gt_common_init_early [i915]] WOPCM: 2048K
<7> [551.852130] i915 0000:4d:00.0: [drm:intel_uc_init_early [i915]] GT0: enable_guc=3 (guc:yes submission:yes huc:yes slpc:yes)
<7> [551.852495] i915 0000:4d:00.0: [drm:intel_gt_probe_all [i915]] GT0: Setting up Primary GT
<6> [551.852855] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<6> [551.852861] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<7> [551.852877] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] rawclk rate: 38400 kHz
<7> [551.853587] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vdbox enable: 0005, instances: 0005
<7> [551.853771] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vebox enable: 0003, instances: 0003
<7> [551.854471] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GGTT size = 4096M
<7> [551.854675] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GMADR size = 0M
<7> [551.854816] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] DSM size = 0M
<6> [551.854947] i915 0000:4d:00.0: [drm] VT-d active for gfx access
<7> [551.855464] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] GEN6_STOLEN_RESERVED = 0x000000037fc00147
<7> [551.855693] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 24576K, usable: 20480K
<7> [551.856099] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(0): system-ttm: 128469 MiB [mem 0x00000000-0x1f5d53afff], io: n/a
<7> [551.856286] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(1): local0: 14248 MiB [mem 0x00000000-0x37a7fffff], io: 14248 MiB [mem 0x3bbc00000000-0x3bbf7a7fffff]
<7> [551.856439] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(6): stolen-local: 20 MiB [mem 0x37e800000-0x37fbfffff], io: 20 MiB [mem 0x3bbf7e800000-0x3bbf7fbfffff]
<7> [551.856868] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] graphic opregion physical addr: 0x0
<7> [551.857127] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] ACPI OpRegion not supported!
<7> [551.857430] i915 0000:4d:00.0: [drm:intel_display_driver_probe_noirq [i915]] Skipping VBT init due to disabled display.
<7> [551.865610] i915 0000:4d:00.0: [drm:intel_wopcm_init [i915]] GuC WOPCM is already locked [1440K, 544K)
<7> [551.865860] i915 0000:4d:00.0: [drm:i915_init_ggtt [i915]] clearing unused GTT space: [0, fee00000]
<7> [551.866055] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: Default steering: group=0x0, instance=0x0
<7> [551.866277] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: MSLICE steering: uses default steering
<7> [551.866460] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: LNCF steering: uses default steering
<7> [551.866646] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 GT workarounds on global
<7> [551.871485] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 engine workarounds on rcs'0
<7> [551.871735] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 whitelist workarounds on rcs'0
<7> [551.871938] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 9 context workarounds on rcs'0
<7> [551.873531] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 engine workarounds on bcs'0
<7> [551.873776] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 context workarounds on bcs'0
<7> [551.874888] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'0
<7> [551.875109] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'0
<7> [551.875861] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'2
<7> [551.876062] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'2
<7> [551.876816] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on
``` vecs'0