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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - External displays remain blank with linux-3.18.6 after resuming from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89589#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - External displays remain blank with linux-3.18.6 after resuming from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89589">bug 89589</a>
from <span class="vcard"><a class="email" href="mailto:freedesktop@h.totakura.in" title="Sree Harsha Totakura <freedesktop@h.totakura.in>"> <span class="fn">Sree Harsha Totakura</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=114353" name="attach_114353" title="dmesg debug outputs">attachment 114353</a> <a href="attachment.cgi?id=114353&action=edit" title="dmesg debug outputs">[details]</a></span>
dmesg debug outputs
The attachment contains the dmesg output with drm.debug=14. It contains:
* before_suspend.log: output until invoking suspend to RAM
* after_suspend.log.diff: output taken after resuming (the external displays
remain turned off)
* laptop_switch.log.diff: output after turning off all external displays with
xrandr
* full_switch.log.diff: output after turning on all external displays with
xrandr
Note that the diffs are to be applied successively as per the order listed
above.</pre>
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