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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] hang on rcs pageflip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74053#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] hang on rcs pageflip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74053">bug 74053</a>
from <span class="vcard"><a class="email" href="mailto:enrico.tagliavini@gmail.com" title="Enrico Tagliavini <enrico.tagliavini@gmail.com>"> <span class="fn">Enrico Tagliavini</span></a>
</span></b>
<pre>Well no hangs for now! I downloaded the 3.13.2 kernel, applied the patch again
and compiled it. From now on I'll start using this instead of the 3.13.1.
The difference I might experience compared to when running without the patch,
but I'm not sure at all, if there is a difference it is quite small: during
firefox rendering (or something else inside the app) freeze for a fraction of
second (like half second or so). During such short and temporary freezes it
was, rarely, happening the hang. As I said now there is no GPU hang, dmesg is
always 100% clear for drm and i915 stuff, but those micro freezes might be a
little more frequent with the patch. Again I want to stress this is very hard
to quantify and so feel free to simply ignore this. It might just be part of
the fact I'm keeping a lot more attention than usual on rendering times to spot
an hang.</pre>
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