[Bug 96927] [bdw bat] sporadic igt/gem_exec_flush/basic-batch-kernel-default-wb, basic-store-all

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96927

mwa <matthew.auld at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #4 from mwa <matthew.auld at intel.com> ---
Happened on ro-bdw-i7-5557U

stdout

IGT-Version: 1.15-g88c1f7c (x86_64) (Linux:
4.7.0-rc5-gfxbench-RO_Patchwork_1418+ x86_64)
Has LLC? yes
Child[0]: 9216 cycles
Child[1]: 9216 cycles
Child[2]: 9216 cycles
Child[3]: 9216 cycles
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [batch+0x61a]
  #2 [<unknown>+0x61a]
Subtest basic-batch-kernel-default-wb: FAIL (6.426s)

stderr

(gem_exec_flush:6261) CRITICAL: Test assertion failure function batch, file
gem_exec_flush.c:475:
(gem_exec_flush:6261) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_exec_flush:6261) CRITICAL: error: 1 != 0
Subtest basic-batch-kernel-default-wb failed.
**** DEBUG ****
(gem_exec_flush:6261) CRITICAL: Test assertion failure function batch, file
gem_exec_flush.c:475:
(gem_exec_flush:6261) CRITICAL: Failed assertion:
intel_detect_and_clear_missed_interrupts(fd) == 0
(gem_exec_flush:6261) CRITICAL: error: 1 != 0
****  END  ****

environment

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

command

/opt/igt/tests/gem_exec_flush --run-subtest basic-batch-kernel-default-wb

dmesg

[  196.822787] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer
elapsed... render ring idle

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