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<body><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> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [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>
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<th>Added</th>
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<td>NEEDINFO
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<td>ASSIGNED
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [IVB/BDW Bisected]igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81377#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [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>(In reply to <a href="show_bug.cgi?id=81377#c7">comment #7</a>)
<span class="quote">> Could you retest with latest -nightly? The following could fix this:
>
> commit d6bbafa183793537d8dca4d4c2e448805e59448a
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Fri Sep 5 07:13:24 2014 +0100
>
> drm/i915: Check for a stalled page flip after each vblank
>
>
> and
>
> commit 9c787942907face82da505c2c5493998b56cfc5a
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Fri Sep 5 07:13:25 2014 +0100
>
> drm/i915: Decouple the stuck pageflip on modeset</span >
The failure unable to reproduce on IVB
[root@x-ivb9 tests]# ./kms_mmio_vs_cs_flip --run-subtest setcrtc_vs_cs_flip
IGT-Version: 1.8-g4b81e9c (x86_64) (Linux:
3.17.0-rc6_drm-intel-nightly_1c38db_20140924_debug+ x86_64)
Subtest setcrtc_vs_cs_flip: SUCCESS (2.606s)
But still able to reproduce on BDW
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./kms_mmio_vs_cs_flip --run-subtest setcrtc_vs_cs_flip
IGT-Version: 1.7-g5f16ef6 (x86_64) (Linux:
3.17.0-rc6_drm-intel-nightly_0f7cc1_20140925+ x86_64)
Test assertion failure function igt_wait_for_vblank, file igt_kms.c:1597:
Failed assertion: drmWaitVBlank(drm_fd, &wait_vbl) == 0
Last errno: 16, Device or resource busy
Subtest setcrtc_vs_cs_flip: FAIL</pre>
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