[Bug 87138] [HSW/BSW]Piglit sporadically causes GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87138

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[BSW]Piglit sporadically    |[HSW/BSW]Piglit
                   |causes GPU hang             |sporadically causes GPU
                   |                            |hang

--- Comment #3 from lu hua <huax.lu at intel.com> ---
It also happens once on HSW. Run 2 cycles on HSW, I am unable to reproduce it.

@test: Piglit/spec_EXT_framebuffer_multisample_accuracy_4_srgb_small
info: @@@Returncode: 0


test case start at: Tue Dec 16 22:41:41 2014
test case end at:   Tue Dec 16 22:41:41 2014

Errors:


Dmesg:<3>[17221.887208] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck
timer elapsed... blitter ring idle


Output:
 bin/ext_framebuffer_multisample-accuracy 4 srgb small -auto -fbo
Pixels that should be unlit
  count = 214644
  Perfect output
Pixels that should be totally lit
  count = 28972
  Perfect output
Pixels that should be partially lit
  count = 18528
  RMS error = 0.096435
The error threshold for this test is 0.119880
PIGLIT: {"result": "pass" }


Piglit
returncode: 0
result: GPU hang
summary: Piglit/spec_EXT_framebuffer_multisample_accuracy_4_srgb_small   
GPU_hang

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