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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>
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<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [PNV/IVB/BSW]igt/kms_flip subcases vblank-vs-suspend and vblank-vs-suspend-interruptible fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79052">bug 79052</a>
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [PNV/IVB/BSW]igt/kms_flip subcases vblank-vs-suspend and vblank-vs-suspend-interruptible fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79052#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [PNV/IVB/BSW]igt/kms_flip subcases vblank-vs-suspend and vblank-vs-suspend-interruptible fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79052">bug 79052</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 Jesse Barnes from <a href="show_bug.cgi?id=79052#c9">comment #9</a>)
<span class="quote">> Does this still happen on current kernels? I think some vblank fixes have
> landed since then.</span >
Test still fails on latest -nightly(bfdd01aa1825aa0068f9236b21362b550f6d630f)
root@x-bsw01:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest vblank-vs-suspend
IGT-Version: 1.8-g819e68f (x86_64) (Linux:
3.18.0-rc7_drm-intel-nightly_bfdd01_20141208+ x86_64)
Using monotonic timestamps
Beginning vblank-vs-suspend on crtc 8, connector 29
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan 4 23:55:17 2001
.rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan 4 23:55:51 2001
Test assertion failure function check_state, file kms_flip.c:572:
Failed assertion: es->current_seq - es->last_seq <= 100
unexpected vblank seq 269, should be < 249
Subtest vblank-vs-suspend: FAIL (10.066s)</pre>
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