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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [IVB/BDW Bisected]igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=81377#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [IVB/BDW Bisected]igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=81377">bug 81377</a>
              from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
        <pre>This fail still able to reproduce while running test
igt/kms_rotation_crc/sprite-rotation

[root@x-bdw01 tests]# ./kms_rotation_crc --run-subtest sprite-rotation
IGT-Version: 1.7-g17d63e4 (x86_64) (Linux:
3.16.0_drm-intel-nightly_79e44b_20140806+ x86_64)
Test assertion failure function igt_wait_for_vblank, file igt_kms.c:1480:
Failed assertion: drmWaitVBlank(drm_fd, &wait_vbl) == 0
Last errno: 16, Device or resource busy
Subtest sprite-rotation: FAIL</pre>
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