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[Bug 713643] [NEW] High CPU usage by Xorg process when scrolling in firefox or adobe reader or in any other application

 

Public bug reported:

Binary package hint: xorg

When i start firefox or adobe reader to read some file or URL, the Xorg
process usage goes as high as 100 % and the scrolling makes the screen
to flicker. The /var/log/Xorg.0.log.old shows the stack trace. glxinfo
command also does not work.

output of glxinfo from command line is as follows:
ankit@ankit-laptop:~$ glxinfo
name of display: :0.0
X Error of failed request: BadRequest (invalid request code or no such operation)
  Major opcode of failed request: 155 (GLX)
  Minor opcode of failed request: 19 (X_GLXQueryServerString)
  Serial number of failed request: 15
  Current serial number in output stream: 15

ankit@ankit-laptop:~$ lspci | grep VGA
01:00.0 VGA compatible controller: ATI Technologies Inc M96 [Mobility Radeon HD 4650]

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Sat Feb  5 18:58:45 2011
DkmsStatus:
 bcmwl, 5.60.48.36+bdcom, 2.6.32-21-generic, x86_64: installed 
 bcmwl, 5.60.48.36+bdcom, 2.6.32-24-generic, x86_64: installed 
 fglrx, 8.812, 2.6.32-21-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=2b1c67d3-d887-4f4c-ac72-fe24d682ffd2 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 09/10/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.34
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3628
dmi.board.vendor: Quanta
dmi.board.version: 18.42
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.34:bd09/10/2009:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvrRev1:rvnQuanta:rn3628:rvr18.42:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       x86_64
 kernel:             2.6.32-24-generic

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


** Tags: amd64 apport-bug lucid performance

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https://bugs.launchpad.net/bugs/713643

Title:
  High CPU usage by Xorg process when scrolling in firefox or adobe
  reader or in any other application



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References