[Bug 86686] New: [SNB]igt/kms_flip/nonblocking-read timeout

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86686

            Bug ID: 86686
           Summary: [SNB]igt/kms_flip/nonblocking-read timeout
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jinxianx.guo at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 109984
  --> https://bugs.freedesktop.org/attachment.cgi?id=109984&action=edit
dmesg

==System Environment==
--------------------------
Regression: No
The tests always fail, only occurs on -fixes branch.

Non-working platforms: SNB

==kernel==
--------------------------
origin/drm-intel-nightly: ab4b258a6ea5f58b5cb17131aced8f9a8dd64499(works)
    drm-intel-nightly: 2014y-11m-24d-21h-37m-18s UTC integration manifest
origin/drm-intel-next-queued: a259953ea9b7c86e437e0a620d37aad150a00b8f(works)
    drm/i915: Stop gathering error states for CS error interrupts
origin/drm-intel-fixes: bdfa7542d40e6251c232a802231b37116bd31b11(fails)
    drm/i915: Ignore SURFLIVE and flip counter when the GPU gets reset

==Bug detailed description==
igt/kms_flip/nonblocking-read timeout

Output:
[root at x-hnr9 tests]# ./kms_flip --run-subtest nonblocking-read
IGT-Version: 1.8-gd807891 (x86_64) (Linux:
3.18.0-rc6_drm-intel-fixes_bdfa75_20141125+ x86_64)
Using monotonic timestamps
Subtest nonblocking-read: TIMEOUT (5.001s)


==Reproduce steps==
---------------------------- 
1. ./kms_flip --run-subtest nonblocking-read

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