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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - black screen after resume from hibernation since linux kernel 3.18"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86565#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - black screen after resume from hibernation since linux kernel 3.18"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86565">bug 86565</a>
from <span class="vcard"><a class="email" href="mailto:Martin@Lichtvoll.de" title="Martin Steigerwald <Martin@Lichtvoll.de>"> <span class="fn">Martin Steigerwald</span></a>
</span></b>
<pre>I wonder whether
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [hsw backlight bisected] backlight is off after resume"
href="show_bug.cgi?id=80773">Bug 80773</a> - [hsw backlight bisected] backlight is off after resume
with this fixing commit
sna/transform: Correctly check for imprecise fractional translations
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=7ecc778691c452285f754743a93a46fa1d3da52f">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=7ecc778691c452285f754743a93a46fa1d3da52f</a>
may be related to it. But its a driver fix in X.org, yet for me working is
kernel 3.17 and not working is kernel 3.18. So might be something different.
I can also try changing sleep modules to userspace software suspend… maybe I
can tell it to switch to VT1 before hibernation this way so I may see some
kernel debug messages.</pre>
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