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[balak <kjbala@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

My laptop hangs when I just connect an external monitor to it. This is even before I configure any type of mirror screen or extended desktop. The instant VGA connector touches the port, the system is lost. The only way out is by hard reboot. I have tried 'Ctl-Alt-Backspace' (after enabling it), ssh-ing into the laptop but nothing works.  This did not happen in jaunty. 
I use my laptop to display presentations regularly so this is a very big loss of usage at work.

This is a very bad regression. People can inadvertently loose all unsaved data just in the course of trying to display externally.  
Enabling/Disabling Compiz does not seem to make any difference.

I looked at Bug:438000 which seems to be compiz related and happens
AFTER somebody tries to configure the screen for external monitor.

Please let me know what other debug information may be needed for this.

ProblemType: Bug
Architecture: amd64
Date: Mon Jan 25 10:09:54 2010
DistroRelease: Ubuntu 9.10
MachineType: Sony Corporation VGN-SR220J
Package: xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1
ProcCmdLine: root=UUID=8a118175-e282-45ae-8f60-3035572801e4 ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54~ppa2-generic-tuxonice
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu10
 libgl1-mesa-glx 7.6.0-1ubuntu4
 libdrm2 2.4.14-1ubuntu1
 xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.31-17-generic-tuxonice x86_64
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 08/14/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R1110Y1
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR1110Y1:bd08/14/2008:svnSonyCorporation:pnVGN-SR220J:pvrC601156A:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VGN-SR220J
dmi.product.version: C601156A
dmi.sys.vendor: Sony Corporation
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       x86_64kernel:             2.6.31-17-generic-tuxonice

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


** Tags: amd64 apport-bug

-- 
System Hangs on Connecting External Monitor
https://bugs.launchpad.net/bugs/512387
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