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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - IvyBridge broken fonts on resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97202#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - IvyBridge broken fonts on resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97202">bug 97202</a>
from <span class="vcard"><a class="email" href="mailto:yann.argotti@intel.com" title="yann <yann.argotti@intel.com>"> <span class="fn">yann</span></a>
</span></b>
<pre>(In reply to Nikolay from <a href="show_bug.cgi?id=97202#c7">comment #7</a>)
<span class="quote">> I will add parameters you requested and reboot at once. Could you please
> clarify where should I collect resulting log from once this happens again?
> Will that get dumped into dmesg as well.</span >
Yes you are right :)
<span class="quote">> Also, interestingly enough it looks like some apps are not affected: one
> notable example of that is firefox - I can still see majority (I guess even
> all) of the letters on web pages, but other apps like terminal, emacs, etc
> become totally broken.
>
> As far as kernel log goes: no, problem occurred much later that than
> 1.501655 but there are no messages about that in kernel log. Nothing that
> would even remotely relate to video/screens as far as I can see.</span >
you are right, there is no error/ warn message (except on bt, for instance) on
gfx side after resume happening ~8735 sec from boot.
you may try also, separately (ie set, reboot and test if anything is changing):
1- edit /etc/environment and add COGL_ATLAS_DEFAULT_BLIT_MODE=framebuffer
(see <a class="bz_bug_link
bz_status_NEW "
title="NEW - [ilk] Font and screen corruption in GTK+ applications"
href="show_bug.cgi?id=88584">bug 88584</a>)
2- try to change accel method from sna to uxa by editing your configuration
file:/etc/X11/xorg.conf.d/20-intel.conf
and set
Option "AccelMethod" "uxa"</pre>
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