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Old 18th December 2008, 12:29 AM
rt454 Offline
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Join Date: May 2008
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Thumbs up Choppy performance [SOLVED]

I recently installed f10 and have had an issue where after using the system for about an hour the display starts to update slowly (the mouse jerks around the screen, scrolling in firefox is very jerky, and it can't even keep up with my typing). When I restart performace goes back to normal until another hour passes and it degrades again.

I am using metacity as a compositor, but I have the same problem with compiz-fusion or with no compositing. I have also tried both the 64 and 32-bit flavours, and saw no difference. These problems show up on completely clean installs, with all updates applied and nothing else installed.

When these problems are exhibited I can see that I'm not using an swap and I have about a gig of free ram and my processor usage is at ~2%. When I run glxgears I get ~1100 fps, but the display is choppy.

I'm using a lenovo t61: t7500, 4gigs of ram, x3100, external monitor(1680x1050)

Thanks for any help with this issue.

Last edited by rt454; 18th December 2008 at 08:05 PM.
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  #2  
Old 18th December 2008, 02:26 AM
JohnVV Offline
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dose the same thing happen with the screen res set to 1042x 640
With the 32 bit it will only use 3.3 gig of the 4 gig ( unless you use the modified kernel )
What 3d driver are you using on the laptop .
Did you use the default install ( using LVM ) or did you use a custom partition setup making
/, /boot , swap, /home
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  #3  
Old 18th December 2008, 08:05 PM
rt454 Offline
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I found the issue; my external hard drive was running low on disk space and once I freed some up everything was back to normal.
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