[Bug 99036] [BYT] Unable to purge GPU memory due lock contention.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Dec 9 17:15:46 UTC 2016


            Bug ID: 99036
           Summary: [BYT] Unable to purge GPU memory due lock contention.
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

BYT intermittently report the following dmesg error when executing piglit:

   Unable to purge GPU memory due lock contention.

Subsequently, the machine fails other GPU test suites, and eventually

I've performed hundreds of piglit runs on byt to reproduce this intermittent
issue.  The earliest I have seen it is:

radv: Initialize the shader_stats_dump flag.

It's likely that this is triggered by a i965 commit just prior to 029e8ff.  I
will continue to test in an attempt to identify the regression more precisely.

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