Comment 27 for bug 342923
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| noisymime (josh-noisymime) wrote Re: (Needs UXA) Kubuntu Jaunty Intel 945 GM - Poor sluggish graphics performance in Kate text, etc. | #27 |
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0e1f616
(Get the code!)
> 1. Disable desktop effects or
This does not solve the issue for me. With effects off I still get terrible screen refresh noticeable most when switching desktops and when scrolling in apps like Firefox.
> 2. Enable UXA and see if UXA is stable in your scenarios.
Not possible on my system. Enabling UXA causes the X server to crash when trying to load so can't even get to a kdm logon screen.
> Option "AccelMethod" "EXA"
> Option "MigrationHeuri
I also tried these options but they caused major visual corruption when trying to enable a 2nd monitor using xrandr after logon.
Whilst I understand the sentiment that the priority is a working desktop rather than performance, the speed this reduces a system to make it practically unusable as an everyday environment. Similar to others above, I was running KDE 4.2 under Intrepid and had no such issues, so this is likely a problem between kwin and the newer intel driver.