Public bug reported:
Binary package hint: kdebase-workspace
Hi!
I run KDE 4.4.1 on karmic from the kubuntu repositories on a Laptop with a
Radeon Mobility 9000. Compositing works quite well with the radeon driver. But
Xorg and plasma seem to consume lots of memory (system's total phys. memory:
768MB), the system is slow and my system swaps quite often. In KDE 4.3 I didn't
notice that behavior. Note that I already disabled nepomuk.
Thus, I tried to disable compositing to get a performance boost. This produces
a strange effect. Depending on where the systemsettings window is located when
disabling compositing, some part of the desktop seems to be corrupt. As well as
the control bar as kwin didn't change from compositing to non-compositing in
some area. In the attachment you'll find some screenshots illustrating the
behavior.
** Affects: kdebase-workspace (Ubuntu)
Importance: Undecided
Status: New
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Disabling compositing corrupts desktop using the radeon driver
https://bugs.launchpad.net/bugs/532505
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