Public bug reported:
Upgrading from Hardy to Jaunty causes a huge performance downgrade using
ATI mobility 9000 RV250, in particular in browsing, scrolling and
rendering of windows. I see that it's a common problem with older ATI
hardware (see for instance
http://ubuntuforums.org/showthread.php?t=1133931&highlight=ati+mobility+9000).
Maybe a tweak in xorg.conf can improve performance over default
settings, but no clear information is easily found.
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=e907764b-2758-4b52-8384-90707d48d894
MachineType: IBM 2373TG5
NonfreeKernelModules: ath_hal
Package: linux-image-2.6.28-11-generic 2.6.28-11.42
ProcCmdLine: root=UUID=4f7a2ec0-ebf8-4164-9a46-34626133c34c ro quiet splash
ProcEnviron:
LANG=it_IT.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-11.42-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug ati driver i386 jaunty xorg
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Very slow performance of ATI mobility 9000 in Jaunty
https://bugs.launchpad.net/bugs/376108
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