[Bug 78239] New: [SNB/IVB/HSW]Some subcases of igt/gem_reset_stats fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78239

          Priority: medium
            Bug ID: 78239
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [SNB/IVB/HSW]Some subcases of igt/gem_reset_stats
                    fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 98397
  --> https://bugs.freedesktop.org/attachment.cgi?id=98397&action=edit
dmesg

*System Environment:
--------------------------
Platform: SNB IVB HSW
kernel: 
-nightly: 08ce6614d07dd1e426109672a5e323317c8d6ec7(works)
-queued: e5c03ca362819ba8ffbe5674340b61b9cd75de8f (works)
-fixes: 9bbfd20abe5025adbb0ac75160bd2e41158a9e83 (fails)


 *Bug detailed description:
-----------------------------
Some subcases of igt/gem_reset_stats below fails
ban-blt
ban-bsd
ban-render



Output:
 ./gem_reset_stats --run-subtest ban-blt
IGT-Version: 1.6-gc864279 (x86_64) (Linux:
3.15.0-rc2_drm-intel-fixes_9bbfd2_20140503+ x86_64)
retrying for ban (9)
retrying for ban (8)
retrying for ban (7)
retrying for ban (6)
retrying for ban (5)
retrying for ban (4)
retrying for ban (3)
retrying for ban (2)
retrying for ban (1)
retrying for ban (0)
Test assertion failure function test_ban, file gem_reset_stats.c:574:
Last errno: 0, Success
Failed assertion: h4 == -EIO
Subtest ban-blt: FAIL

 *Reproduce steps:
---------------------------- 
1. ./gem_reset_stats --run-subtest ban-blt

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