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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BDW] System dmesg contains "ERROR" when machine resumes from s3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83094#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BDW] System dmesg contains "ERROR" when machine resumes from s3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83094">bug 83094</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>Created <span class=""><a href="attachment.cgi?id=107532" name="attach_107532" title="dmesg">attachment 107532</a> <a href="attachment.cgi?id=107532&action=edit" title="dmesg">[details]</a></span>
dmesg
(In reply to Paulo Zanoni from <a href="show_bug.cgi?id=83094#c10">comment #10</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=107437" name="attach_107437" title="Possible fix">attachment 107437</a> <a href="attachment.cgi?id=107437&action=edit" title="Possible fix">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=83094&attachment=107437'>[review]</a> [review]
> Possible fix
>
> Hi
>
> Does this patch fix the problem?
>
> Thanks,
> Paulo</span >
The dmesg error still able to reproduce with this patch.
root@x-bdw05:~# echo 0 > /sys/class/rtc/rtc0/wakealarm ; echo +10 >
/sys/class/rtc/rtc0/wakealarm; echo mem > /sys/power/state
root@x-bdw05:~#
root@x-bdw05:~# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 669.801135] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.</pre>
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