OK, here’s the rundown… I’m running Suse 11.0 with both Gnome & KDE 4.1.2 on a Lenovo T60 with an ATI Radeon x1300. I don’t have any problems in Gnome with Compiz running. However, in KDE 4.1 (all versions of 4.1) I get weird graphical corruption after the screensaver activates. This seems to happen whether I have compositing on or off. If the screensaver only runs for a short period of time, the screen corruption seen on the screensaver doesn’t carry over to the desktop, but if I let the screensaver run for a longer period of time, when I move the mouse to de-activate it, the screen is completely garbled and the only way to fix it is to CTRL+ALT+Backspace to kill and restart the X-server. I’ve tried various versions of fglrx to no avail. Here’s my output from fglrx as of now:
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI Mobility Radeon X1300
OpenGL version string: 2.1.7979 Release
Perhaps it has something to do specifically with the screensavers? I can’t come up with anything else… Maybe I’ll try and see how a “blank screen” screensaver works. What’s odd is that I can enable desktop effects all I want and never see any problems. But as soon as the screensaver runs for any extended length of time, poof… corrupted.
I had that problem. For me I used Kwin & had the breakapart effect as soon as I turned off that effect(exploding does it too) the screensaver works like a screensaver should.