Possibly-related video problems

Ben Novack bennovack at gmail.com
Mon Jul 18 17:51:27 UTC 2005

On 7/18/05, ZIYAD A. M. AL-BATLY <zamb at saudi.net.sa> wrote:
> On Mon, 2005-07-18 at 11:24 -0400, Ben Novack wrote:
> > I'm encountering two problems that may or may not be related:
> >
> > First, I have a GeForce 440MX video card, and I've installed the
> > nvidia-glx driver, but when GL content - screensavers, specifically -
> > should be running, I just have a black screen.
> >
> > Also, video playback in Totem is incredibly pixellated, especially
> > when I go fullscreen. I'm not playing especially small video; these
> > are DVDs of 4:3 TV episodes. Is this actually a fixable problem, or is
> > Totem's resizing aptitude weaker than the proprietary players (like
> > Apple's DVD Player and WMP) I'm used to? I suspect there's at least
> > some level of fixability to it, because even when not fullscreened,
> > things look more pixellated than they should.
> >
> > Thanks,
> >
> > ---Ben
> >
> You most likely still using the (open source) "nv" driver, not NVIDIA's
> closed source "nvidia" driver (even though you installed the package
> "nvidia-glx")!  You could conform this by running:
>         glxinfo | grep direct
> and see if the answer is "Yes".
> To fix this run the following and choose "nvidia" when prompted "Select
> the desired X server driver":
>         sudo dpkg-reconfigure xserver-xorg
> If you don't want to miss with the other options and you just want to
> change the driver:  Edit the file "/etc/X11/xorg.conf" and search for
> '"nv"' and change it to '"nvidia"'.
> You need to restart GDM for the change to take effect.  Either reboot
> your system (preferred solution), or log out of GNOME/KDE and run from a
> console "sudo /etc/init.d/gdm restart".
> See if that fixes your problem.  If not, just repost here again.
> Ziyad.

Well, that fixes the GL problem, although IMHO it should have been
done for me when I installed the driver.

At any rate, the low quality of video playback remains... any ideas on
how to troubleshoot that one?


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