Public bug reported:

when using the indicator applet to switch users, I click a user to
switch to. Then the picture on the monitor is garbled. I believe the
computer switches to that user based on the garbled graphics. It is hard
to tell what is still functional once I have switched users. At this
point I must turn the power off to the computer and restart the
computer.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-24-generic 2.6.35-24.42
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: IXP [ATI IXP], device 0: ATI IXP AC97 [ATI IXP AC97]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  dad        1602 F.... pulseaudio
 /dev/snd/pcmC0D0p:   dad        1602 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'IXP'/'ATI IXP rev 2 with ALC658D at 0xfe02a000, irq 17'
   Mixer name   : 'Realtek ALC658D'
   Components   : 'AC97a:414c4781'
   Controls      : 38
   Simple ctrls  : 24
Date: Sun Jan 16 14:27:44 2011
HibernationDevice: RESUME=UUID=15ad6a4b-f365-4179-ad22-7a4f61f1be8e
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: HP Pavilion 061 ER859AA-ABA M7334N
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-24-generic 
root=UUID=0462db87-04c0-4bd6-b429-2489897bd02e ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
dmi.bios.date: 12/13/2005
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 3.40
dmi.board.name: AMETHYST-M
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvr3.40:bd12/13/2005:svnHPPavilion061:pnER859AA-ABAM7334N:pvr0qn1114RE101AMETM00:rvnMSI:rnAMETHYST-M:rvr1.0:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: ER859AA-ABA M7334N
dmi.product.version: 0qn1114RE101AMETM00
dmi.sys.vendor: HP Pavilion 061

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 kernel-graphics maverick needs-upstream-testing

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https://bugs.launchpad.net/bugs/703725

Title:
  Video garbled/maxtearing after switching users

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