Public bug reported:
Binary package hint: xserver-xorg-video-intel
After upgrading from Intrepid to Jaunty recently, I found that the
general graphics performance is poor.
* With desktop effects on, window switching & minimize/maximize are horribly
slow and sluggish. Switching off desktop effects help a bit, but still the
following problems remain.
* The screen refresh is very poor and sometimes leaves the traces of other
windows in the current windows !
* Selecting text in Kate seems to cause a late refresh and the texts realign
themselves after selecting - again screen refresh
None of this used to happen in Intrepid with KDE 4.2. Unfortunately,
since I have upgraded, I couldn't get the log files from Intrepid, where
it was working fine !
Through ubuntuforums I learnt about UXA. After enabling UXA ('Option
"AccelMethod" "uxa"' in xorg.conf 'Device' section), all the above
problems were gone and it worked just fine as in Intrepid !! But there
are other problems like frequent system freezes and all
(https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/342675) with UXA.
HP/Compaq nc6400 laptop
$ lsb_release -rd
Description: Ubuntu jaunty (development branch)
Release: 9.04
$ uname -a
Linux <hostname> 2.6.28-9-generic #31-Ubuntu SMP Wed Mar 11 15:43:58 UTC 2009
i686 GNU/Linux
$ glxinfo | grep render
get fences failed: -1
param: 6, val: 0
direct rendering: Yes
OpenGL renderer string: Mesa DRI Intel(R) 945GM GEM 20090114 x86/MMX/SSE2
$ lspci -nn | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
Package: xserver-xorg-video-intel 2:2.6.1-1ubuntu4
ProcEnviron:
LANGUAGE=
PATH=(custom, user)
LANG=en_IN
SHELL=/bin/bash
ProcVersion: Linux version 2.6.28-9-generic (bui...@palmer) (gcc version 4.3.3
(Ubuntu 4.3.3-5ubuntu2) ) #31-Ubuntu SMP Wed Mar 11 15:43:58 UTC 2009
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.28-9-generic i686
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
Kubuntu Jaunty Intel 945 GM - Poor sluggish graphics performance on HP/Compaq
nc6400 laptop
https://bugs.launchpad.net/bugs/342923
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