I need help reporting a bug.
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]
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?
:^)
Thanks
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On Tue, 28 Mar 2006 07:13:28 -0800 (PST)
cyber rigger <[email protected]> wrote:
> My test case is ppracer which runs dreadfully slow.
Isn't the output of this command enough to tell if direct rendering is
enabled or not?
glxinfo | grep ^direct
--
Paolo Ornati
Linux 2.6.16 on x86_64
On Tue, 2006-03-28 at 07:13 -0800, cyber rigger wrote:
>
> 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.
That bug is RESOLVED FIXED. Did you try 2.6.16? Do the xorg.conf
workarounds mentioned in that bug report help?
Lee
>
>
> 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]
>
>
> 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.
> > 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.
>
I tried the workarounds with a 2.6.15 kernel. They
didn't work for me.
I installed Debian's 2.6.16-1-k7 kernel (from sid).
The 3D acceleration WORKS now but I'm only getting
about HALF the frame rate (ppracer) as I did with
Debian's 2.6.8-3-k7 kernel (with xfree86).
Both test were with a Matrox g400.
Could the frame rate change just be a difference
between xfree86 and xorg?
--- Lee Revell <[email protected]> wrote:
> On Tue, 2006-03-28 at 07:13 -0800, cyber rigger
> wrote:
> >
> > 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.
>
> That bug is RESOLVED FIXED. Did you try 2.6.16? Do
> the xorg.conf
> workarounds mentioned in that bug report help?
>
> Lee
>
>
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Are you using dual-screen setup? Direct rendering is disabled when
Xinerama is enabled. In any case , look what your /var/log/Xorg.0.log
is saying about rendering settings.
Sergey
On Tue, 2006-03-28 at 07:13 -0800, cyber rigger wrote:
> I need help reporting a bug.
>
>
> 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]
>
>
> 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?
>
> :^)
>
>
> Thanks
>
>
>
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
My g400 just has only one plug.
I'm using just one monitor.
The 3D acceleration WORKS with a 2.6.16 kernel (using
xorg)
but at only about half the frame rate
of 2.6.8 with xfree86.
The workarounds for 2.6.15 didn't work for me.
See attached Xorg.0.log for the 2.6.15 kernel.
--- Sergey Panov <[email protected]> wrote:
> Are you using dual-screen setup? Direct rendering is
> disabled when
> Xinerama is enabled. In any case , look what your
> /var/log/Xorg.0.log
> is saying about rendering settings.
>
> Sergey
>
> On Tue, 2006-03-28 at 07:13 -0800, cyber rigger
> wrote:
> > I need help reporting a bug.
> >
> >
> > 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]
> >
> >
> > 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?
> >
> > :^)
> >
> >
> > Thanks
> >
> >
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam? Yahoo! Mail has the best spam
> protection around
> > http://mail.yahoo.com
> > -
> > To unsubscribe from this list: send the line
> "unsubscribe linux-kernel" in
> > the body of a message to [email protected]
> > More majordomo info at
> http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
>
>
__________________________________________________
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On Tue, 2006-03-28 at 20:20 -0800, cyber rigger wrote:
> My g400 just has only one plug.
> I'm using just one monitor.
>
> The 3D acceleration WORKS with a 2.6.16 kernel (using
> xorg)
> but at only about half the frame rate
> of 2.6.8 with xfree86.
>
> The workarounds for 2.6.15 didn't work for me.
>
> See attached Xorg.0.log for the 2.6.15 kernel.
>
Please, don't top post.
Lee