https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7126/fi-bxt-dsi/igt@i915_selftest@live_execlists.html (i915_selftest:4937) igt_kmod-WARNING: i915/intel_execlists_live_selftests: live_timeslice_preempt failed with error -5 (i915_selftest:4937) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling always-on (i915_selftest:4937) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling DC off (i915_selftest:4937) igt_kmod-WARNING: [drm:gen9_set_dc_state [i915]] Setting DC state from 01 to 00 (i915_selftest:4937) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling power well 2 (i915_selftest:4937) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-common-a (i915_selftest:4937) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-common-bc (i915_selftest:4937) igt_kmod-WARNING: i915: probe of 0000:00:02.0 failed with error -5 (i915_selftest:4937) igt_kmod-CRITICAL: Test assertion failure function igt_kselftest_execute, file ../lib/igt_kmod.c:548: (i915_selftest:4937) igt_kmod-CRITICAL: Failed assertion: err == 0 (i915_selftest:4937) igt_kmod-CRITICAL: kselftest "i915 igt__36__live_execlists=1 live_selftests=-1 disable_display=1 st_filter=" failed: Input/output error [5] Subtest live_execlists failed. This issue is split from Bug 112046. Not sure if it affects more than BXT. But now I will start with BXT.
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * BXT: igt@i915_selftest@live_execlists - dmesg-fail - live_timeslice_preempt failed with error -5 (No new failures associated)
It's not very clear as it dropped the pr_err() for which bug it actually was. My guess is if (i915_request_wait(head, 0, 2 * RUNTIME_INFO(outer->i915)->num_engines * (count + 2) * (count + 3)) < 0) { pr_err("Failed to slice along semaphore chain of length (%d, %d)!\n", count, n); GEM_TRACE_DUMP(); intel_gt_set_wedged(outer->gt); err = -EIO; } and likely just bad timing. Nothing to worry about unless it becomes disruptive.
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