Public bug reported:
Binary package hint: xserver-xorg-video-ati
Graphics are very slow, and opening Google in Firefox will instantly
freeze the machine in Ubuntu 10.04
Removing compiz and compiz-core didn't solve this.
Using the kernel command line options "ro nomodeset" instead of "ro
quiet splash" solves this problem.
The machine does not freeze when kms is disabled, and graphics speed is
acceptable (as in 9.10)
This machine is using a PCI Radeon 9200 SE card (not PCI express)
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-video-radeon 1:6.13.0-1ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-22.36-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Thu Jun 10 17:02:38 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic
root=UUID=f23f8933-9fff-425e-8b38-c5a0ffd76d7c ro nomodeset
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: xserver-xorg-video-ati
dmi.bios.date: 08/28/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.60
dmi.board.name: P43DE
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.60:bd08/28/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnP43DE:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
glxinfo: Error: [Errno 2] No such file or directory
system:
distro: Ubuntu
codename: lucid
architecture: i686
kernel: 2.6.32-22-generic
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
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radeon kms freezes computer (RV280 Radeon 9200 SE)
https://bugs.launchpad.net/bugs/592286
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