Public bug reported:
I have recently upgraded to KDE 4.7.4 from the PPA to get rid of constant
crashes of the Desktop. Since then, some of the applications I extensively use
throughout the day start to become extremely slow at some point after some
hours of use (it is more the GUI that seems to be slow), use 100% CPU and if
done quickly, they can be closed, otherwise they completely freeze within about
a minute and keep on using 100% CPU.
At least sometimes it is actually an X.org process that uses 100% CPU, not the
actual application process.
I have this with Eclipse which I use most, but have seen the exact same
behaviour also with GIMP and Firefox.
The problem did not occur before the upgrade to KDE 4.7.4, but it is
still just a guess that it has something to do with that.
The same behaviour shows on two different PCs with a clean installation
of Kubuntu 11.10 and KDE 4.7.4 from the PPA.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/922022
Title:
Applications freeze after several hours of extensive use
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