X windows breaks after kernel updates

[Sensiva]

Binary package hint: xorg

I did clean install of Karmic amd64, then applied the available updates, now its running in the low graphics mode

ProblemType: Bug
Architecture: amd64
Date: Thu Dec 3 11:22:02 2009
DistroRelease: Ubuntu 9.10
MachineType: Dell Inc. OptiPlex 755
Package: xorg 1:7.4+3ubuntu10
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=9f9d42ff-10bf-42f7-adc1-afe1a51a1e4a ro splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-15.50-generic
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
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xorg
Uname: Linux 2.6.31-15-generic x86_64
XsessionErrors:
 (gnome-settings-daemon:1816): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:1863): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:1853): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
dmi.bios.date: 09/10/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A15
dmi.board.name: 0GM819
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA15:bd09/10/2009:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0GM819:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: x86_64kernel: 2.6.31-15-generic

[Sensiva (sensiva)]

the attached xorg.conf above is brought from a running Hardy installation, the automatically generated on by X -configure is attached here

[Steve Langasek (vorlon)]

Sensiva,

Your bug report has been marked as a duplicate of a bug specific to Kubuntu systems that have the gdm package installed. Are you running Kubuntu, or Ubuntu? Do you still see this issue after upgrading to the latest version of the gdm package?