[Bug 92070] arb_sync.clientwaitsync-timeout fails intermittently

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92070

            Bug ID: 92070
           Summary: arb_sync.clientwaitsync-timeout fails intermittently
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Occasionally, this piglit test fails on haswell with the following signature:

/tmp/build_root/m32/lib/piglit/bin/arb_sync-ClientWaitSync-timeout -auto -fbo
glClientWaitSync returned GL_CONDITION_SATISFIED.
Probe [0] failed. Expected: 17.000000  Observed: 0.000000
Probe [1] failed. Expected: 13.000000  Observed: 0.000000
Probe [3] failed. Expected: 17.000000  Observed: 0.000000
Probe [4] failed. Expected: 18.000000  Observed: 0.000000
Probe [6] failed. Expected: 12.000000  Observed: 0.000000
Probe [7] failed. Expected: 13.000000  Observed: 0.000000
Probe [9] failed. Expected: 12.000000  Observed: 0.000000
Probe [10] failed. Expected: 18.000000  Observed: 0.000000
Probe [12] failed. Expected: 27.000000  Observed: 0.000000
Probe [13] failed. Expected: 13.000000  Observed: 0.000000
Probe [15] failed. Expected: 27.000000  Observed: 0.000000
Probe [16] failed. Expected: 18.000000  Observed: 0.000000
Probe [18] failed. Expected: 22.000000  Observed: 0.000000
Probe [19] failed. Expected: 13.000000  Observed: 0.000000
Probe [21] failed. Expected: 22.000000  Observed: 0.000000
Probe [22] failed. Expected: 18.000000  Observed: 0.000000
Probe [24] failed. Expected: 37.000000  Observed: 0.000000
Probe [25] failed. Expected: 13.000000  Observed: 0.000000
Probe [27] failed. Expected: 37.000000  Observed: 0.000000
Probe [28] failed. Expected: 18.000000  Observed: 0.000000
Probe [30] failed. Expected: 32.000000  Observed: 0.000000
Probe [31] failed. Expected: 13.000000  Observed: 0.000000
Probe [33] failed. Expected: 32.000000  Observed: 0.000000
Probe [34] failed. Expected: 18.000000  Observed: 0.000000
Probe [36] failed. Expected: 47.000000  Observed: 0.000000
Probe [37] failed. Expected: 13.000000  Observed: 0.000000
Probe [39] failed. Expected: 47.000000  Observed: 0.000000
Probe [40] failed. Expected: 18.000000  Observed: 0.000000
Probe [42] failed. Expected: 42.000000  Observed: 0.000000
Probe [43] failed. Expected: 13.000000  Observed: 0.000000
Probe [45] failed. Expected: 42.000000  Observed: 0.000000
Probe [46] failed. Expected: 18.000000  Observed: 0.000000
glClientWaitSync returned GL_CONDITION_SATISFIED.
glClientWaitSync returned GL_CONDITION_SATISFIED.
glClientWaitSync returned GL_ALREADY_SIGNALED.

It also fails reliably on byt and g965.

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