Public bug reported:
Binary package hint: xserver-xorg-video-ati
On an external LCD (Dell 2408WFP 1920x1200), connected to my laptop
(Thinkpad T43) through a docking station, the performance of X (e.g.
Compiz and some cairo-based animation from applications like GNOME Do)
is slower/sluggish than on the laptop's LCD. Moreover, when playing a
video (using xv) on the external LCD, the desktop is seen corrupt (as
shown in the screenshot attached). Worth to mention is when the
corruption happens, the animation etc. do feel smoother.
This is not experienced on Ubuntu 9.04 Jaunty.
ProblemType: Bug
Architecture: i386
Date: Fri Sep 25 01:57:14 2009
DistroRelease: Ubuntu 9.10
MachineType: IBM 266871U
Package: xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu2
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-10-generic
root=UUID=e986618e-8c3f-4efb-a053-ca04d0c98dcc ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-10.35-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu5
libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu5
libdrm2 2.4.13-1ubuntu1
xserver-xorg-video-intel 2:2.8.1-1ubuntu1
xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu2
SourcePackage: xserver-xorg-video-ati
Uname: Linux 2.6.31-10-generic i686
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 08/21/2006
dmi.bios.vendor: IBM
dmi.bios.version: 1YET65WW (1.29 )
dmi.board.name: 266871U
dmi.board.vendor: IBM
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: IBM
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnIBM:bvr1YET65WW(1.29):bd08/21/2006:svnIBM:pn266871U:pvrThinkPadT43:rvnIBM:rn266871U:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
dmi.product.name: 266871U
dmi.product.version: ThinkPad T43
dmi.sys.vendor: IBM
fglrx: Not loaded
system:
distro: Ubuntu
architecture: i686kernel: 2.6.31-10-generic
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
[Karmic] Regression of X performance on external display
https://bugs.launchpad.net/bugs/436295
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