Sounds a bitr strange alright.
Make sure that you have the correct GL drivers loading. You can tell
this by looking at the output that X generates
in /var/log/XFree86.0.log. Can't remember if that is the correct name
or not but it's obvious if you go there.
Look down the output where it's loading the modules. When it loads the
GLX core you should see a copyright notice for NVidia Corporation and
the XFree86 Project.
Also there is a know bug last time I checked with Xmms's OpenGL stuff.
Not sure if it's fixed in the latest releases of xmms as the OpenGL
equalizer dosen't seem to be apart of the Helix Code rpm. But it is
listed on the Nvidia FAQ as a know problem. I've yet to get any OpenGL
plugin to work with the drivers however Quake3Arena and any OpenGl
programs I've written all run great.
A good Q&A site is http://www.mcdownloads.com. I think ???? Search on
google for "XF86Config nvidia drivers" and it should appear.
Quoting tor_bendiksen at ie.ibm.com:
>>>> After maybe nearly a year of trying, I still can't get hardware
> accelerated OpenGL on my machine. I've recently upgraded to
> RedHat 7.0,
> thinking something in my old 5.1/6.2 RedHat installations were
> something (in this, and courierimap).
>> Anyway. I've attached the log of what happens - anyone else get
> similar, and find a workaround ?
>> The main problem is still:
> Symbol __glXActiveScreens from module
> /usr/X11R6/lib/modules/extensions/libdri.a is unresolved!
>> (that's an XFree86 module, not a shared lib or kernel module).
>> I Have some of the same problems. (With RedHat
> 5.2/6/6.1/6.2/7.0b2 and
> Mandrake 7/7.1)
>> My problem is that after installing the correct drivers from
> Nvidia, and I
> try to use something with OpenGl the machine freezes. Real
> annoying thing
> (Xmms freezes as well.. Can't use it..)..
>> Anyone got any ideas? I've got a Hercules Prophet GeForce video
> card, and
> tried everything I can find on Nvidias page and a few other
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