[mythtv-users] Mythbuntu 8.04 "Low Graphics Mode" with nvidia 8600
Mario Limonciello
mario.mailing at gmail.com
Tue May 6 07:00:50 UTC 2008
Peter Schachte wrote:
> Christopher M. Jones wrote:
>> I tried to upgrade my 7.10 Mythbuntu to 8.04 last week. Since then I've
>> been around and around in circles over this problem. My googling hasn't
>> turned up any definitive answers.
>>
>> Using an nvidia 8600 card mythbuntu starts up in "Low Graphics Mode".
>> This card worked fine under the previous 7.10 version. In frustration I
>> tried installing etch, and had the same problems. It seems the card
>> simply isn't recognized.
>>
>> Has anyone had this problem? I'm willing to post whatever message output
>> might be helpful, if there is anyone here who is willing to help.
>> Surely, someone on this list must be running a similar setup.
>
> I've had a similar problem, but it's the kernel version, not the nvidia-glx
> version, that causes it. This is an AMD64 machine with an NVidia 5200 card
> connected to a TV via SVideo, on Mythbuntu 8.04. When I boot the
> 2.6.24-14-generic kernel, it works fine (happily, I kept the old kernel), but
> when I boot the most recent kernel, 2.6.24-16-generic, with all the same
> packages installed, I get the low graphics mode problem you describe. I
> tried reinstalling nvidia-glx-new, dropping back to nvidia-glx, and even
> going back to the default mythbuntu-generated xorg.conf file, all with no
> improvement.
>
> The error in /var/log/Xorg.0.log was that it was unable to load the nvidia
> module, but I can't figure out why. I do have linux-restricted-modules
> installed and up-to-date, and
> /lib/linux-restricted-modules/2.6.24-16-generic/nvidia_new is present and
> contains the same set of files as the .../2.6.24-14-generic/nvidia_new
> directory. I've also got version 169.12+2.6.24.12-16.34 of nvidia-glx-new
> installed.
>
> So anyway, you might have a similar problem. Maybe try reverting to kernel
> version 2.6.24-14 and see if that fixes it.
>
Try issuing a depmod -a while booted into the -16 kernel. If still no luck, try
to manually modprobe it (modprobe nvidia). If it's not loading properly, look
in /lib/modules/ for multiple .ko's for nvidia. If there is by chance, that's
likely the cause...
--
Mario Limonciello
mario.mailing at gmail.com
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