Public bug reported:

I have an up to date (2010-27-05) ubuntu lucid. The computer gets
unresponsive every time I try to switch to VT1 and VT7. It just hangs;
no keyboard or mouseinput(I can see the mouse arrow). This only happens
when I am logged in to "desktop" with graphical Xorg, never from GDM. I
have not tried to remote login via SSH.

I have had this problem since I first installed Ubuntu Lucid at the
release day. It it also consistent on the Ubuntu Live CD.

My computer is a centrino based laptop equipped with ATI Mobile 9700 (M11).
Everything else seems to work ok, including the boot splash.

Looking at Xorg logfile I can't see anything wrong.

I don't know how to debug this further, but can provide further
information if some guides me.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-22-generic 2.6.32-22.33
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  paal       3327 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with CS4299 at irq 10'
   Mixer name   : 'Cirrus Logic CS4299 rev 4'
   Components   : 'AC97a:43525934'
   Controls      : 36
   Simple ctrls  : 22
Date: Wed May 26 23:46:34 2010
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=cbfb5663-cc3a-4f48-adc8-3d5c217cde71
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic 
root=UUID=add38bff-a3b7-4313-af96-588d5e0f3c53 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34
RfKill:
 
SourcePackage: linux
dmi.bios.date: 03/25/2005
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: R01-A1L
dmi.board.version: Rev.A
dmi.chassis.type: 10
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvrR01-A1L:bd03/25/2005:svn:pn:pvr-1:rvn:rn:rvrRev.A:cvn:ct10:cvrN/A:
dmi.product.version: -1

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: apport-bug graphics i386 lucid needs-upstream-testing

-- 
Computer consistently gets unresponsive after switching from VTX to VT7 (driver 
RADEON, Chipset M10)
https://bugs.launchpad.net/bugs/586099
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