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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] Stress. Platform is not able to recover successfully from S4 after 23 iterations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94673#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] Stress. Platform is not able to recover successfully from S4 after 23 iterations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94673">bug 94673</a>
from <span class="vcard"><a class="email" href="mailto:elio.martinez.monroy@intel.com" title="Elio <elio.martinez.monroy@intel.com>"> <span class="fn">Elio</span></a>
</span></b>
<pre>S4 is called using the following instructions :
#!/bin/bash
cat /sys/power/state | grep disk
if [ $? -eq 0 ]; then
date
sleep 10
# Clear old alarm
echo '[CMD]echo 0 > /sys/class/rtc/rtc0/wakealarm'
echo 0 > /sys/class/rtc/rtc0/wakealarm
RC=$?
if [ ${RC} -ne 0 ]; then
check_rc "[CMD]echo 0 > /sys/class/rtc/rtc0/wakealarm" ${RC}
return 1
fi
echo '[CMD]echo +40 > /sys/class/rtc/rtc0/wakealarm'
echo +40 > /sys/class/rtc/rtc0/wakealarm
RC=$?
if [ ${RC} -ne 0 ]; then
check_rc "[CMD]echo 40 > /sys/class/rtc/rtc0/wakealarm" ${RC}
return 1
fi
# to change to /sys/class/rtc/rtcN/wakeup in future kernel
dmesg -c >> dmesg
echo '[CMD]echo disk > /sys/power/state #S4'
echo disk > /sys/power/state #S4
dmesg -c >> dmesg
else
echo '[NOTE][CMD] S4 is not supported'
fi
echo "[CMD]suspend_resume end"</pre>
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