VMD-L Mailing List

From: Stéphane Teletchéa (steletch_at_biomedicale.univ-paris5.fr)
Date: Wed Apr 10 2002 - 04:10:21 CDT

Le Mardi 9 Avril 2002 16:57, John Stone a écrit :
> Hi,
> We have seen similar problems with the recent NVidia drivers.
> The problems seem to be completely independent of the versions
> VMD itself as best I can tell.
>
> NVidia has a "Linux driver discussion forum" where one can post notes
> about this sort of problem, we've started doing this, in order to get them
> to fix the problems with their drivers, I'd strongly recommend that
> you describe your problems to them on their board here:
> http://www.nvnews.net/forum/forumdisplay.php?s=&forumid=57
>
> In particular, mention that you see the resize problem with multiple
> OpenGL applications. I'd recommend giving them a list of the applications
> you tried that had problems. I'm planning on describing problems we've
> seen here that are similar to the ones you describe, as well as a few
> others we've run across.
>
> My only suggestion at this time, beyond posting to the NVidia discussion
> forum is to try changing the AGP settings in your XFree86 config files..
> This helped me cure the problem on my GeForce 3 at home. It didn't help
> one of the newer GeForce 3 Ti boards here at work, but just a suggestion.
>
> I've heard from others that this problem (and others) occurs on
> the new GeForce 4 cards as well.
>
> John
>
> On Tue, Apr 09, 2002 at 04:37:11PM +0300, Mikko Huhtala wrote:
> > I'm using the precompiled DRI/OpenGL package of VMD 1.7.1 on a RH
> > Linux 7.2 box equipped with a Geforce 3 card. The build of the NVidia
> > 1.0 drivers is 2802 and the kernel is stock (Tosatti) 2.4.18. The
> > graphics window of VMD works, but sometimes gets thrashed or worse
> > when the window is resized. Resizing the window right after launch,
> > before any molecules are loaded, thrashes the 3d display every time,
> > but usually this can be recovered by resizing the window again. During
> > a session, when there are molecules in the 3d window, resize
> > operations seem to randomly either work, thrash the window until the
> > next resize, crash VMD, hang X or even crash the whole system. VMD
> > 1.7.0 suffers from the same problems.
> >
> > The same NVidia driver seem to be ok on a Geforce 1 card, although I
> > only tested very briefly. I have seen thrashing of some windows when
> > using other OpenGL applications with the 2802 drivers and Geforce 3,
> > but never system crashes.
> >
> > Anyone else with experiences of 1.7.1 and build 2802 of NVidia
> > drivers?
> >
> >
> > Cheers,
> >
> > Mikko Huhtala

I would like to add some comment here, but before i need to ask wheter you
use a pentium processor or an AMD processor.
Stef