[Bug 75079] New: [PNV Bisected]igt/kms_pipe_crc_basic/read-crc-pipe-A-frame-sequence is slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75079

          Priority: high
            Bug ID: 75079
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [PNV
                    Bisected]igt/kms_pipe_crc_basic/read-crc-pipe-A-frame-
                    sequence is slow
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 94186
  --> https://bugs.freedesktop.org/attachment.cgi?id=94186&action=edit
dmesg

system Environment:
--------------------------
Platform: Pineview
Kernel:(drm-intel-fixes)f51a44b9a6c4982cc25bfb3727de9bb893621ebc

Bug detailed description:
-----------------------------
kms_pipe_crc_basic/read-crc-pipe-A-frame-sequence is slow on pineview with
-fixes and -nightly kernel.
Run more than 30 minutes, It doesn't exit testing.

The latest known good commit: 3670d6dbff7b829d71ce84d6c9cb88cd5abdbc53
The latest known bad commit: 959783684e2010326d91db2aa55f424f7e041c84

output:
IGT-Version: 1.5-g9597836 (i686) (Linux:
3.13.0-rc8_drm-intel-fixes_f51a44_20140217+ i686)
read-crc-pipe-A-frame-sequence: Testing connector LVDS-1 using pipe A

Reproduce steps:
----------------------------
1. ./kms_pipe_crc_basic --run-subtest read-crc-pipe-A-frame-sequence

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