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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_NEEDINFO "
title="NEEDINFO - [all Bisected]igt/gem_wait/render_timeout fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82749">bug 82749</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>[all Regression]igt/gem_wait/render_timeout fails
</td>
<td>[all Bisected]igt/gem_wait/render_timeout fails
</td>
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [all Bisected]igt/gem_wait/render_timeout fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82749#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [all Bisected]igt/gem_wait/render_timeout fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82749">bug 82749</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 Daniel Vetter from <a href="show_bug.cgi?id=82749#c15">comment #15</a>)
<span class="quote">> Hm, no bisect result.
>
> On a hunch this regression is probably due to
>
> commit 5ed0bdf21a85d78e04f89f15ccf227562177cbd9
> Author: Thomas Gleixner <<a href="mailto:tglx@linutronix.de">tglx@linutronix.de</a>>
> Date: Wed Jul 16 21:05:06 2014 +0000
>
> drm: i915: Use nsec based interfaces
>
> Use ktime_get_raw_ns() and get rid of the back and forth timespec
> conversions.
>
> Signed-off-by: Thomas Gleixner <<a href="mailto:tglx@linutronix.de">tglx@linutronix.de</a>>
> Acked-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
> Signed-off-by: John Stultz <<a href="mailto:john.stultz@linaro.org">john.stultz@linaro.org</a>>
>
> Can you please test this commit + its parent to check whether that's right?
> Test results here on my machine are somehow strange so I'd like confirmation.</span >
Yes, 5ed0bdf21a85d78e04f89f15ccf227562177cbd9 is the first bad commit. it's
parents commit(f519b1a2e08c913375324a927992bb328387f169) is good commit.
[root@x-hsw24 tests]# ./gem_wait --run-subtest render_timeout
IGT-Version: 1.8-gdbac905 (x86_64) (Linux: 3.16.0-rc5_kcloud_f519b1_20141201+
x86_64)
8192 iters is enough work
Finished with 815483789 time remaining
Subtest render_timeout: SUCCESS (10.395s)
[root@x-hsw24 tests]# ./gem_wait --run-subtest render_timeout
IGT-Version: 1.8-gdbac905 (x86_64) (Linux: 3.16.0-rc5_kcloud_5ed0bd_20141201+
x86_64)
8192 iters is enough work
Finished with 815166097 time remaining
Test assertion failure function render_timeout, file gem_wait.c:200:
Failed assertion: timeout == 0
Last errno: 62, Timer expired
error: 1170404 != 0
Subtest render_timeout: FAIL (10.392s)</pre>
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