On 10/2/07, sgrover <[EMAIL PROTECTED]> wrote:
> What kind of video card do you have?  An nVidia?  If so, did you
> recently do a kernel update?  (I know one came through not long ago for
> K/ubuntu...).  It *could* be that your video drivers were not updated to
> match the new kernel.  This is kinda common with nVidia cards, though I
> used the instructions at www.ubuntuguide.com for nVidia setup last time
> around and have not seen this issue since...
>
> The easy fix is to use the basic nVidia drivers.  Edit your
> /etc/X11/xorg.conf file (as root), and change the video card section -
> mine looks like this:
>
> Section "Device"
>          Identifier      "nVidia Corporation G70 [GeForce 7600 GT]"
>          Driver          "nvidia"
>          BusID           "PCI:3:0:0"
> EndSection
>
> The "Driver" line needs to be changed to say "nv".
>
> Once that is done, restart your manager (kdm/gdm/etc.).  If it IS the
> video card problem this will work.  But you won't have 3d acceleration.
>
> The Better way to fix this and keep the 3d acceleration is to update
> your nVidia drivers.  If you don't have your apt sources set up
> correctly, this is a bit more of a challenge, and almost always means
> doing it manually.  Go to the nVidia website and download the latest
> universal driver.  There's lots of guides for this on the web -
> http://www.google.ca/search?q=nvidia+ubuntu will get you started.
>
> If you don't have an nVidia card, then you might need to track down
> details for your video card - I think the ATI cards have a similar issue
> when the kernel is upgraded.
>
> Of course, this is all assuming it's a video driver error.  But this
> normally results in errors in the /var/log/Xorg.0.log file which you're
> not seeing.
>
> Maybe if you post your /var/log/Xorg.0.log we can take a look?

Considering root was able to log in and use gnome, I'm not sure it is
an Xorg driver issue (although, that was the first thing I thought of
as well.)

-Mark C.

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