Comment 14 for bug 226993

see below

Timo Aaltonen wrote:
> Your installation is hosed somehow by the upgrade. GF8600GT works just
> fine here. The log shows that it's using the vesa driver, which means
> that the driver failed to load either because the nvidia kernel module
> can't be loaded or because there's a version mismatch between the kernel
> module and the X driver/libs.
>
> Shut down GDM by running '/etc/init.d/gdm stop', and then from the
> virtual terminal run 'sudo startx'. That should give you the real error.
> Make sure to have 'nvidia' in /etc/X11/xorg.conf before you run startx.
>
>
X: warning; process set to priority -1 instead of requested priority 0

This is a pre-release version of the X server from The X.Org Foundation.
It is not supported in any way.
Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.
Select the "xorg" product for bugs you find in this release.
Before reporting bugs in pre-release versions please check the
latest version in the X.Org Foundation git repository.
See http://wiki.x.org/wiki/GitPage for git access instructions.

X.Org X Server 1.4.0.90
Release Date: 5 September 2007
X Protocol Version 11, Revision 0
Build Operating System: Linux Ubuntu (xorg-server
2:1.4.1~git20080131-1ubuntu9)
Current Operating System: Linux seaweed 2.6.22-14-generic #1 SMP Tue Feb
12 02:46:46 UTC 2008 x86_64
Build Date: 15 April 2008 05:41:18PM

    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat May 10 09:28:08 2008
(==) Using config file: "/etc/X11/xorg.conf"
dlopen: /usr/lib/xorg/modules/extensions//libextmod.so: wrong ELF class:
ELFCLASS32
(EE) Failed to load /usr/lib/xorg/modules/extensions//libextmod.so
(EE) Failed to load module "extmod" (loader failed, 7)
dlopen: /usr/lib/xorg/modules/extensions//libdbe.so: wrong ELF class:
ELFCLASS32
(EE) Failed to load /usr/lib/xorg/modules/extensions//libdbe.so
(EE) Failed to load module "dbe" (loader failed, 7)
dlopen: /usr/lib/xorg/modules/extensions//librecord.so: wrong ELF class:
ELFCLASS32
(EE) Failed to load /usr/lib/xorg/modules/extensions//librecord.so
(EE) Failed to load module "record" (loader failed, 7)
dlopen: /usr/lib/xorg/modules/extensions//libdri.so: wrong ELF class:
ELFCLASS32
(EE) Failed to load /usr/lib/xorg/modules/extensions//libdri.so
(EE) Failed to load module "dri" (loader failed, 7)
(II) Module "ramdac" already built-in
Error: API mismatch: this NVIDIA driver component has version
169.12, but the NVIDIA kernel module's version does not match.
Please make sure that the kernel module and all NVIDIA driver
components have the same version.
(EE) NVIDIA(0): Failed to initialize the NVIDIA kernel module! Please ensure
(EE) NVIDIA(0): that there is a supported NVIDIA GPU in this system, and
(EE) NVIDIA(0): that the NVIDIA device files have been created
properly.
(EE) NVIDIA(0): Please consult the NVIDIA README for details.
(EE) NVIDIA(0): *** Aborting ***
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found
giving up.
xinit: Connection reset by peer (errno 104): unable to connect to X server
xinit: No such process (errno 3): Server error.