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[freelock <john@xxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

After upgrading to Lucid from Karmic, I'm experiencing screen lockups at
least one or two times a day. This happens whether or not I add
radeon.modeset=0 to the kernel startup line in grub (e.g. with or
without the KRM enabled), and usually when switching desktops quickly,
making moderate use of compiz.

I see a backtrace at the end of the Xorg.0.log after this happens. Mouse
can still move but I cannot switch to a VT. When I log in via SSH, the
computer is under high load ( 7 or so ). Even logged in, I cannot kill X
successfully or reboot -- I end up using SysRQ keys to sync the disk and
restart.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Tue May 11 10:22:55 2010
DkmsStatus:
 
MachineType: IBM 266871U
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=UUID=46d381fc-fe5d-47c9-a778-fac31eb90631 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
dmi.bios.date: 11/07/2005
dmi.bios.vendor: IBM
dmi.bios.version: 1YET59WW (1.24 )
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:bvr1YET59WW(1.24):bd11/07/2005:svnIBM:pn266871U:pvrThinkPadT43:rvnIBM:rn266871U:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
dmi.product.name: 266871U
dmi.product.version: ThinkPad T43
dmi.sys.vendor: IBM
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-22-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug freeze i386 lucid

-- 
Xorg freeze - ati/radeon
https://bugs.launchpad.net/bugs/578897
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