[Bug 88985] New: [BSW]igt/gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrashing sporadically fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88985

            Bug ID: 88985
           Summary: [BSW]igt/gem_reloc_vs_gpu/forked-interruptible-faultin
                    g-reloc-thrashing sporadically fails
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 113175
  --> https://bugs.freedesktop.org/attachment.cgi?id=113175&action=edit
dmesg

==System Environment==
--------------------------
Regression: not sure

no-working platforms: BSW

==kernel==
--------------------------
drm-intel-nightly/9583cb470cd82997b5f23d4acab852563f5c0047
commit 9583cb470cd82997b5f23d4acab852563f5c0047
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Feb 4 15:22:12 2015 +0100

    drm-intel-nightly: 2015y-02m-04d-14h-21m-52s UTC integration manifest

==Bug detailed description==
-----------------------------
It sporadicall fails on BSW,  fail rate:1/4

output:
IGT-Version: 1.9-g87edb51 (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_9583cb_20150205+ x86_64)
(gem_reloc_vs_gpu:4352) ioctl-wrappers-CRITICAL: Test assertion failure
function gem_execbuf, file ioctl_wrappers.c:437:
(gem_reloc_vs_gpu:4352) ioctl-wrappers-CRITICAL: Failed assertion: ret == 0
(gem_reloc_vs_gpu:4352) ioctl-wrappers-CRITICAL: Last errno: 2, No such file or
directory
child 4 failed with exit status 99
Subtest forked-interruptible-faulting-reloc-thrashing: FAIL (6.081s)


==Reproduce steps==
---------------------------- 
1. ./gem_reloc_vs_gpu --run-subtest
forked-interruptible-faulting-reloc-thrashing

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