[Bug 68257] New: [i965]igt/gem_suspend/fence-restore-untiled randomly fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68257

          Priority: medium
            Bug ID: 68257
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [i965]igt/gem_suspend/fence-restore-untiled randomly
                    fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 84226
  --> https://bugs.freedesktop.org/attachment.cgi?id=84226&action=edit
dmesg

System Environment:
--------------------------
Platform:    Ironlake/Sandybridge/Ivybridge/Haswell
Kernel:      (drm-intel-next-queued) 815ca9817afc1c1a45799fb9d4a4f413b7b1517c

Bug detailed description:
-----------------------------
It randomly fails on Ironlake/Sandybridge/Ivybridge/Haswell with -queued
kernel. It happens 2 in 10 runs. Run it 10 cycles on -fixes kernel, it works
well.

output:
rtcwake: wakeup from "mem" using /dev/rtc0 at Mon Aug 19 06:04:47 2013
Test assertion failure function igt_system_suspend_autoresume, file
drmtest.c:1826:
Failed assertion: ret == 0
Subtest fence-restore-untiled: FAIL

Reproduce steps:
----------------------------
1. ./gem_suspend --run-subtest fence-restore-untiled

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