igt@gem_tiled_blits@* - Failed assertion: (drm_intel_gem_bo_context_exec(batch->bo, ctx, used, ring)) == 0

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7551/shard-hsw2/igt@gem_tiled_blits@normal.html

Starting subtest: normal
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Test assertion failure function intel_batchbuffer_flush_on_ring, file ../lib/intel_batchbuffer.c:240:
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Failed assertion: (drm_intel_gem_bo_context_exec(batch->bo, ctx, used, ring)) == 0
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Last errno: 5, Input/output error
Subtest normal failed.
**** DEBUG ****
(gem_tiled_blits:1554) intel_os-DEBUG: Checking 3073 surfaces of size 1048576 bytes (total 3223851008) against RAM
(gem_tiled_blits:1554) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_tiled_blits:1554) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(gem_tiled_blits:1554) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(gem_tiled_blits:1554) intel_os-DEBUG: Test requirement passed: sufficient_memory
(gem_tiled_blits:1554) DEBUG: Using 3073 1MiB buffers
(gem_tiled_blits:1554) INFO: Verifying initialisation...
(gem_tiled_blits:1554) INFO: Cyclic blits, forward...
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Test assertion failure function intel_batchbuffer_flush_on_ring, file ../lib/intel_batchbuffer.c:240:
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Failed assertion: (drm_intel_gem_bo_context_exec(batch->bo, ctx, used, ring)) == 0
(gem_tiled_blits:1554) intel_batchbuffer-CRITICAL: Last errno: 5, Input/output error
(gem_tiled_blits:1554) igt_core-INFO: Stack trace:
(gem_tiled_blits:1554) igt_core-INFO:   #0 ../lib/igt_core.c:1877 __igt_fail_assert()
(gem_tiled_blits:1554) igt_core-INFO:   #1 [intel_batchbuffer_flush_on_ring+0xc7]
(gem_tiled_blits:1554) igt_core-INFO:   #2 ../lib/intel_batchbuffer.c:478 intel_blt_copy()
(gem_tiled_blits:1554) igt_core-INFO:   #3 ../lib/intel_batchbuffer.c:502 intel_copy_bo()
(gem_tiled_blits:1554) igt_core-INFO:   #4 ../tests/i915/gem_tiled_blits.c:150 run_test()
(gem_tiled_blits:1554) igt_core-INFO:   #5 ../tests/i915/gem_tiled_blits.c:217 __real_main201()
(gem_tiled_blits:1554) igt_core-INFO:   #6 ../tests/i915/gem_tiled_blits.c:201 main()
(gem_tiled_blits:1554) igt_core-INFO:   #7 ../csu/libc-start.c:344 __libc_start_main()
(gem_tiled_blits:1554) igt_core-INFO:   #8 [_start+0x2a]
****  END  ****
Subtest normal: FAIL (24.044s)