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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436">bug 77436</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Do you have sysrq enabled? It would be great to get a kernel stacktrace to see
where that iowait is coming from (sysrq-T). If the cursor stops moving, we have
serious problems, it suggests that X is being trapped in a throttle() waiting
for the GPU.
One thing to try for poor GPU performance is my branch
<a href="http://cgit.freedesktop.org/~ickle/linux-2.6/">http://cgit.freedesktop.org/~ickle/linux-2.6/</a> #<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="show_bug.cgi?id=77436">bug77436</a></pre>
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