[Bug 86225] New: [SNB+]igt/gem_reset_stats/defer-hangcheck-blt fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86225

            Bug ID: 86225
           Summary: [SNB+]igt/gem_reset_stats/defer-hangcheck-blt 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 109373
  --> https://bugs.freedesktop.org/attachment.cgi?id=109373&action=edit
dmesg

==System Environment==
--------------------------
Regression: no, new case
Non-working platforms:  SNB+

==kernel==
--------------------------
drm-intel-nightly/9a7620f405895714b4e0dc3181a8328b4406287e

==Bug detailed description==
It fail on SNB+ platforms.

gem_reset_stats/defer-hangcheck-bsd and gem_reset_stats/defer-hangcheck-render
also fail.

output:
IGT-Version: 1.8-g50d539e (x86_64) (Linux:
3.18.0-rc2_drm-intel-nightly_203b34_20141103+ x86_64)
Test assertion failure function defer_hangcheck, file gem_reset_stats.c:1056:
Failed assertion: count_end > count_start
Subtest defer-hangcheck-blt: FAIL (29.422s)
Test requirement not met in function gem_require_ring, file
ioctl_wrappers.c:881:
Test requirement: gem_has_vebox(fd)
Warning on condition flags != 0 in fucntion check_stop_rings, file
drmtest.c:112
i915_ring_stop flags on exit 0x80000004, can't quiescent gpu cleanly

==Reproduce steps==
---------------------------- 
1. ./gem_reset_stats --run-subtest defer-hangcheck-blt

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