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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82340#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82340">bug 82340</a>
from <span class="vcard"><a class="email" href="mailto:ming.yao@intel.com" title="yaoming <ming.yao@intel.com>"> <span class="fn">yaoming</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=82340#c9">comment #9</a>)
<span class="quote">> Try
> <a href="http://cgit.freedesktop.org/~ickle/linux-2.6/commit/">http://cgit.freedesktop.org/~ickle/linux-2.6/commit/</a>
> ?h=requests&id=30e95d38220df18fafb1918027714ef6ecb8d259 instead then.</span >
With this patch, no system hang appears. But each time I test S4(20 circles),
it would be interrupted on circle 2 or circle 3, just like reboot.
It is the same result on the latest
drm-intel-nightly(43df30da20447e2856b2761215ff274886a9f931).
My reproduce step:
for ((i=0; i<20; i++))
do
echo 0 > /sys/class/rtc/rtc0/wakealarm
echo +45 > /sys/class/rtc/rtc0/wakealarm
echo disk > /sys/power/state
done</pre>
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