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SubjectRe: Need help reporting bug, no 3D accel with Matrox g400
> > It appears that some later kernel versions
> > do not support 3D acceleration in some cases.
> > I'm getting this problem with Debain etch and Ubuntu
> > Dapper. I first thought it was a problem caused by
> > switching to xorg but Ubuntu 5.10 is fine and it uses
> > xorg.
> >
> > ----------------------------------------------------
> > The 3D acceleration doesn't work with xorg using the
> > mga driver for a Matrox g400.
> > My test case is ppracer which runs dreadfully slow.
> >
> > This is a Debian etch machine with Debian's
> > 2.6.15-1-k7 kernel.
> >
> >
> > This is what I have found so far.
> >
> > Re: No direct rendering with recent kernels
> > http://lists.debian.org/debian-x/2006/01/msg00133.html[mga]
> >

Does adding Option "OldDMAInit" "true"
in xorg.conf

fix the issue for you?

Dave.

> >
> > DRM for MGA broken since 2005-Aug-04.
> > https://bugs.freedesktop.org/show_bug.cgi?id=4797
> >
> >
> >
> > The 3D acceleration for mga appears to still be
> > broken.
> >
> > Where and how may I respectfully plead for this to be
> > fixed?
>
> Here, .. no pleading required.. I'm going to get my MGA out and setup
> again, however I was sure we'd fixed this before... there is a problem
> with the MGA userspace having broken locking,
>
> I'm nearly sure I've fixed up most of the kernel side, but I'll try
> and get time to test it again..
>
> Dave.
>
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