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[ByteSoup <607732@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

Originally raised as a question here:

https://answers.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+question/116345

Problem symptoms:

Visting a given webpage results in a java process that increases its
CPU% to 100%. When the browser is closed and the java process is killed
the "Xorg" process uses up much more CPU than average, approximately
30-70%. The whole desktop responds very sluggishly and all applications
are slow to open and respond. dropping out to a tty session
(CTRL+ALT+F1) and restarting gdm just sees the problem return. If I stop
gdm and wait approximately 15mins and then restart gdm everything goes
back to normal. Also if I leave the desktop for a very long time
(approximately 1 hour) things do settle down again and the
responsiveness of the desktop resumes to normal.

Steps to reproduce:

1. Boot up PC and login to desktop as normal
2. Login to VPN
3. Open firefox
4. Visit the problem website (internal site at my work, if I find a public one that invokes the same issue then I'll post it here)
5. Use top to see the java process ramp up to 100% CPU, let this settle for a couple of minutes
6. Close firefox and kill the java process
7. Try to use some desktop applications, keep an eye on the terminal session running "top" and make a note of how much CPU is used each time you try to start another application (i.e. another terminal)

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-video-intel 2:2.9.1-3ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-23-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Tue Jul 20 13:20:57 2010
DkmsStatus:
 bcmwl, 5.60.48.36+bdcom, 2.6.32-22-generic, x86_64: installed 
 bcmwl, 5.60.48.36+bdcom, 2.6.32-23-generic, x86_64: installed 
 bcmwl, 5.60.48.36+bdcom, 2.6.32-21-generic, x86_64: installed 
 virtualbox-ose, 3.1.6, 2.6.32-22-generic, x86_64: installed 
 virtualbox-ose, 3.1.6, 2.6.32-23-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Dell Inc. Latitude E6400
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-23-generic root=UUID=bda2b679-fb17-440f-8719-4a49d37220ff ro quiet splash
ProcEnviron:
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: xserver-xorg-video-intel
dmi.bios.date: 12/17/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0HT027
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd12/17/2008:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0HT027:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       x86_64
 kernel:             2.6.32-23-generic

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug lucid

-- 
Xorg using up CPU and only reboot solves problem
https://bugs.launchpad.net/bugs/607732
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