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[Bodinux <652779@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Two tasks lead to Xorg taking all the cpu and slowing down the current
tasks.

First task :
-using xsane, scan an image and direct it to the viewer, upon save, xorg takes all the cpu and slows down the saving of the image. For example, it took more than 11 minutes to save a 33MB image in .pnm format. Looking at the progress bar, it as first going normally quick then it slew down more and more until almost stalled. Finally the task (saving the image) ended after more than 11 minutes but the image could not be read in Eye of Gnome ("Le chargeur PNM s'attendait à recevoir un entier, mais ce n'était pas le cas"), sometimes the image is successfully saved.
This is reproduceable and very annoying.

Second task :
-I got this bug also one time during a task in Gimp (resize or rotate) but I could not reproduce it this morning.

Nevertheless despiste the slow down, it still possible to change windows
and do some work on the computer (no freeze).

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 i686
Architecture: i386
Date: Fri Oct  1 09:34:54 2010
DkmsStatus:
 
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: Hewlett-Packard hp workstation xw4100
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=b8918628-db04-443b-99dc-738e50a80389 ro quiet splash
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 04/01/2004
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786B3 v1.18
dmi.board.name: 0868h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.type: 2
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: HP Minitower
dmi.modalias: dmi:bvnHewlett-Packard:bvr786B3v1.18:bd04/01/2004:svnHewlett-Packard:pnhpworkstationxw4100:pvr:rvnHewlett-Packard:rn0868h:rvr:cvnHewlett-Packard:ct2:cvrHPMinitower:
dmi.product.name: hp workstation xw4100
dmi.sys.vendor: Hewlett-Packard
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-24-generic
xkbcomp:
 Error: command ['xkbcomp', ':0', '-w0', '-'] failed with exit code 1: No protocol specified
 Error:            Cannot open display ":0"
                   Exiting

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


** Tags: apport-bug i386 lucid

-- 
Xorg takes all the CPU on some trivial tasks
https://bugs.launchpad.net/bugs/652779
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