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Old 07-22-10, 09:48 AM   #1
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Join Date: Jun 2007
Posts: 6
Default oS11.3/KDE4: X slows down after a few hours


I recently updated my openSUSE 11.2 System to 11.3 and installed the NVIDIA driver (195.36.31) by using the official repositories. I've also replaced my graphic card (8800 GTS 640MB -> GTX 260 896 MB) a few days before, because my CPU wasn't able to play a specific 1080p h264 video correctly. (8800 GTS 640MB doesn't support VDPAU)

Now, I'm encountering serious performance problems, after a few hours. X gets slower and slower, and opening e.g. nvidia-settings freezes the entire X-Screen for several seconds. (in this time, the mouse position updates once every second)

Switching VT or logout and login increases the performance slightly, at least for a moment. But the freezing of the entire X-Screen, when I'm opening nvidia-settings, still exists.
Switching to Runlevel 3, rmmod nvidia, and switching back to Runlevel 5 "solves" the problem. But this is not really a solution ... (EDIT: I tried this again, and this time even that didn't work)

I've never encountered such a problem on my old setup (openSUSE 11.2/8800 GTS 640MB). I'm running two screens (1920x1080, 1440x900) by using TwinView and use several programs like Eclipse, Opera, OOffice, smplayer/VPDAU. Oh, and I'm using KDE 4.4.4.

Is this some kind of side effect of using VDPAU? Driver 195.36.31 or the 260 GTX?
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