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[hanfkeks <C.weber23@xxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

I use a laptop (Dell Inspiron 6400, with an ATI X1300) and have an
external screen attached (via VGA, res. 1920x1200).

When I boot without the external monitor attached everything is fine,
if the monitor is attached the image on the external screen is scrambled (horizontal flickering, as if the frequency is wrong).
If i then use the function key on the laptop to switch of the laptop screen, and have only the external monitor suddenly everything is fine. But i have to do that before I log in, once I log in this trick doesn't work any and will result in a freeze.

The scrambled image is already that way when the ubuntu boot logo is shown,
and also when I switch to a console with CTRL+F_ .

This bug occured after updating from kernel
2.6.32-14-generic(last ine to work properly) to the next one, is can still boot with that kernel and everything works fine.
(So i'm not sure if it is a xorg or a kernel bug)

if you need any more information or need me to try sth out please let me
know.

----
Description:	Ubuntu lucid (development branch)
Release:	10.04

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic i686
Architecture: i386
CheckboxSubmission: f09df0fdd3530e2a1218a8d41b922fe1
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Fri Apr  9 20:14:17 2010
DkmsStatus: Error: [Errno 2] No such file or directory
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100224.1)
MachineType: Dell Inc. MM061
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic root=UUID=b0ee0216-ba33-4ce9-90cf-bbbedc4d9041 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 06/13/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A17
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA17:bd06/13/2007:svnDellInc.:pnMM061:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: MM061
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-19-generic

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


** Tags: apport-bug i386 lucid

-- 
flickering on external screen
https://bugs.launchpad.net/bugs/559482
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