igt@i915_selftest@live@ring_submission - incomplete - no useful logs

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1664077984?query_key=8d9c4ab99477c75627bef7204c38d5f7274fae60

Stdout	
Starting dynamic subtest: ring_submission

Stderr	
Starting dynamic subtest: ring_submission

Dmesg	
<6> [376.201468] [IGT] i915_selftest: starting dynamic subtest ring_submission
<5> [376.311412] Setting dangerous option live_selftests - tainting kernel
<7> [376.339661] i915 0000:00:02.0: [drm:intel_gt_common_init_early [i915]] WOPCM: 2048K
<7> [376.339816] i915 0000:00:02.0: [drm:intel_uc_init_early [i915]] GT0: enable_guc=3 (guc:yes submission:yes huc:no slpc:yes)
<7> [376.339978] i915 0000:00:02.0: [drm:intel_gt_probe_all [i915]] GT0: Setting up Primary GT
<7> [376.340073] i915 0000:00:02.0: [drm:intel_gt_probe_all [i915]] GT1: Setting up Standalone Media GT
<7> [376.340164] i915 0000:00:02.0: [drm:intel_gt_common_init_early [i915]] WOPCM: 2048K
<7> [376.340270] i915 0000:00:02.0: [drm:intel_uc_init_early [i915]] GT1: enable_guc=3 (guc:yes submission:yes huc:yes slpc:yes)
<7> [376.340439] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] rawclk rate: 38400 kHz
<7> [376.340851] i915 0000:00:02.0: [drm:intel_engines_init_mmio [i915]] GT0: vdbox enable: 0000, instances: 0000
<7> [376.340927] i915 0000:00:02.0: [drm:intel_engines_init_mmio [i915]] GT0: vebox enable: 0000, instances: 0000
<7> [376.341220] i915 0000:00:02.0: [drm:intel_engines_init_mmio [i915]] GT1: vdbox enable: 0005, instances: 0005
<7> [376.341289] i915 0000:00:02.0: [drm:intel_engines_init_mmio [i915]] GT1: vebox enable: 0001, instances: 0001
<7> [376.341610] i915 0000:00:02.0: [drm:i915_ggtt_probe_hw [i915]] GGTT size = 4096M
<7> [376.341686] i915 0000:00:02.0: [drm:i915_ggtt_probe_hw [i915]] GMADR size = 0M
<7> [376.341752] i915 0000:00:02.0: [drm:i915_ggtt_probe_hw [i915]] DSM size = 0M
<6> [376.341814] i915 0000:00:02.0: [drm] VT-d active for gfx access
<6> [376.341818] i915 0000:00:02.0: vgaarb: deactivate vga console
<6> [376.341928] i915 0000:00:02.0: [drm] Using Transparent Hugepages
<7> [376.341956] i915 0000:00:02.0: [drm:i915_gem_init_stolen [i915]] GEN6_STOLEN_RESERVED = 0x000000007e400947
<7> [376.342067] i915 0000:00:02.0: [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 65536K, usable: 61440K
<7> [376.342175] i915 0000:00:02.0: [drm:init_stolen_lmem [i915]] Stolen Local memory IO start: 0x0000004000800000