[Bug 97071] New: igt at gem_sync@basic-store-each fails with *ERROR* Hangcheck timer elapsed... video enhancement ring idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97071

            Bug ID: 97071
           Summary: igt at gem_sync@basic-store-each fails with *ERROR*
                    Hangcheck timer elapsed... video enhancement ring idle
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: joonas.lahtinen at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Test output:    

IGT-Version: 1.15-ge3abb20 (x86_64) (Linux:
4.7.0-rc7-gfxbench-RO_Patchwork_1594+ x86_64)
Using Legacy submission , with semaphores
vebox completed 16384 cycles: 623.147 us
bsd completed 31744 cycles: 323.822 us
blt completed 31744 cycles: 324.927 us
render completed 27648 cycles: 373.447 us
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [store_ring+0x57b]
  #2 [__real_main722+0x4a9]
  #3 [main+0x23]
  #4 [__libc_start_main+0xf0]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest basic-store-each: FAIL (10.332s)

Kernel output:

drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer elapsed... video
enhancement ring idle

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