[Bug 87138] New: [BSW]Piglit sporadically causes GPU hang

[bugzilla-daemon at freedesktop.org]

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

            Bug ID: 87138
           Summary: [BSW]Piglit sporadically causes GPU hang
           Product: Mesa
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

System Environment:
--------------------------
Platform: BSW
Libdrm:       
(master)libdrm-2.4.58-19-gf99522e678dbbaffeca9462a8edcbe900574dc12
Mesa:        (master)7e8ba77c49b3fc0fe56d0ba60acc734d389fd9bd
Xserver:   
(master)xorg-server-1.16.99.901-21-g4b0d0df34f10a88c10cb23dd50087b59f5c4fece
Xf86_video_intel:(master)2.99.916-165-g9c2c485df9fd39ae36779f765a892e36835a8001
Libva:        (master)cdfd3d50d80c092ca3ae8914418be628d5a80832
Libva_intel_driver:(master)f2a34f94c57e1f7ce975b2068fb087df84b92e3a
Kernel:   (drm-intel-nightly)bfdd01aa1825aa0068f9236b21362b550f6d630f

Bug detailed description:
---------------------------
Run full Piglit, it sporadically causes GPU hang, If run the binary, I am
unable the reproduce it.


test log:
Dmesg:<3>[20185.674527] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck
timer elapsed... render ring idle


Output:
 bin/shader_runner
/GFX/Test/Piglit/piglit/generated_tests/spec/glsl-1.10/execution/built-in-functions/vs-op-le-int-int-using-if.shader_test
-auto
PIGLIT: {"result": "pass" }


Piglit
returncode: 0
result: GPU hang
summary:
Piglit/spec_glsl-1.10_execution_built-in-functions_vs-op-le-int-int-using-if   
GPU_hang

Reproduce steps:
-------------------------
1. xinit
2. run full piglit

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