[Bug 94307] New: [BAT ILK] gem_sync/basic-bsd fails / hangcheck timer elapsed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94307

            Bug ID: 94307
           Summary: [BAT ILK] gem_sync/basic-bsd fails / hangcheck timer
                    elapsed
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tvrtko.ursulin at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

CI history suggests it is sporadic since CI_DRM_1062.

Results for igt at gem_sync@basic-bsd
Overview

Result: dmesg-fail

Back to summary
Details
Detail     Value
Returncode     99
Time     0:00:10.400008
Stdout     

IGT-Version: 1.13-gd627e30 (x86_64) (Linux: 4.5.0-rc5-gfxbench+ x86_64)
Completed 147082 cycles: 67.990 us
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [__real_main106+0x2f7]
  #2 [main+0x23]
  #3 [__libc_start_main+0xf0]
  #4 [_start+0x29]
Subtest basic-bsd: FAIL (10.004s)

Stderr     

(gem_sync:5862) CRITICAL: Test assertion failure function sync_ring, file
gem_sync.c:103:
(gem_sync:5862) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_sync:5862) CRITICAL: error: 4 != 0
Subtest basic-bsd failed.
**** DEBUG ****
(gem_sync:5862) ioctl-wrappers-DEBUG: Test requirement passed: gem_has_ring(fd,
ring_id)
(gem_sync:5862) INFO: Completed 147082 cycles: 67.990 us
(gem_sync:5862) CRITICAL: Test assertion failure function sync_ring, file
gem_sync.c:103:
(gem_sync:5862) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_sync:5862) CRITICAL: error: 4 != 0
****  END  ****

Environment     

PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"

Command     /opt/igt/tests/gem_sync --run-subtest basic-bsd
dmesg     

[  226.822964] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer
elapsed... bsd ring idle

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