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List:       kde-bugs-dist
Subject:    [kwin] [Bug 343551] Kwin hangs, stops drawing the screen and starts using 100% cpu inside nvidia-glc
From:       Sergio <sergio.callegari () gmail ! com>
Date:       2015-05-04 11:22:35
Message-ID: bug-343551-17878-5KEocRhMOO () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=343551

--- Comment #47 from Sergio <sergio.callegari@gmail.com> ---
After the utopic->vivid upgrade, I get the machine in over 60% iowait, 0 cpu
load, but I do not think this is related. Possibly it is another (and more
serious) issue with ubuntu vivid.

When kwin is hung, continuously switching to a virtual console and back to the
X11 screen with ALT+FN lets one do operations in steps...  The machine is using
the KDE 5.3 ppa right now. Setting the environment variables makes it almost
usable (apart from the other issues mentioned above, like the 60% iowait and
io-related processes getting stuck).  In any case, the machine is now off and I
am reinstalling it as trusty with kde 4 or mint with cinnamon soon because I
cannot afford keeping it off, so unfortunately I will not be able to do more
tests or provide a lot of further information. It is a pity, kubuntu decided to
make so many changes at the same time in this upgrade, because I really do not
have not enough time right now to try decoupling the problems.

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