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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69341#c21">Comment # 21</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69341">bug 69341</a>
from <span class="vcard"><a class="email" href="mailto:langkamp@tomblog.de" title="langkamp@tomblog.de">langkamp@tomblog.de</a>
</span></b>
<pre>did you tried a recent git version?
you also could try the oibaf ppa with (k)ubuntus - you wrote you tested only
plain kubuntu.
Maybe you also have to set radeon.dpm=1 in grub. I have not tested without it.
in the end it could also be a opensuse thing (but i don´t believe that) or a
hardware fault (I have an gibabyte OC version)
my best guess at the moment is radeon.dpm=1</pre>
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