[Openchrome-users] Could not lock DMA pages

[MagicITX]

On 12/28/05, MagicITX <magicitx at gmail.com> wrote:
>
>
>
> On 12/28/05, Thomas Hellstr?m <unichrome at shipmail.org> wrote:
> >
> > MagicITX wrote:
> >
> > >
> > >
> > > On 12/28/05, *Thomas Hellstr?m* <unichrome at shipmail.org
> > > <mailto:unichrome at shipmail.org >> wrote:
> > >
> > >     MagicITX wrote:
> > >
> > >>
> > >>
> > >>     On 12/28/05, *Thomas Hellstr?m* <unichrome at shipmail.org
> > >>     <mailto: unichrome at shipmail.org>> wrote:
> > >>
> > >>         Hi!
> > >>
> > >>         MagicITX wrote:
> > >>
> > >>>
> > >>>
> > >>> On 12/24/05, *Thomas Hellstr?m* < unichrome at shipmail.org
> > >>         <mailto:unichrome at shipmail.org>
> > >>> <mailto: unichrome at shipmail.org
> > >>         <mailto:unichrome at shipmail.org>>> wrote:
> > >>>
> > >>>     > On 12/23/05, Thomas Hellstr?m < unichrome at shipmail.org
> > >>         <mailto:unichrome at shipmail.org>
> > >>>     <mailto:unichrome at shipmail.org
> > >>         <mailto:unichrome at shipmail.org>>> wrote:
> > >>>     >>
> > >>>     >> MagicITX wrote:
> > >>>     >>
> > >>>     >> > I know this isn't a unichrome error but thought
> > >>         someone here
> > >>>     might be
> > >>>     >> > able to help.  I installed unichrome, libxvmc and
> > >>         drm from the
> > >>>     >> > unichrome-20051116 snapshot.  I installed VLC
> > >>         (Videolan Client)
> > >>>     >> > 0.8.1_r1 using Gentoo's emerge.  When I run vlc it
> > >>         get a
> > >>>     string of
> > >>>     >> > these in the log:
> > >>>     >> >
> > >>>     >> > [drm:via_build_sg_info] *ERROR* Could not lock DMA
> > >>         pages.
> > >>>     >> >
> > >>>     >> > On the display is a green block.  Any ideas?
> > >>>     >>
> > >>>     >> We've had similar error reports before, but I've been
> > >>         unable to
> > >>>     >> reproduce it.
> > >>>     >> Basically it is the drm being handed memory that does not
> > >>>     belong to the
> > >>>     >> user.
> > >>>     >>
> > >>>     >> What hardware is this?
> > >>>     >> What does the Xorg.0.log say? (Compressed, please)
> > >>>     >> Does Xine -V xv work with the same stream.
> > >>>     >> Does mplayer work with the same stream?
> > >>>     >>
> > >>>     >> /Thomas
> > >>>     >
> > >>>
> > >>>     Hi!
> > >>>
> > >>>     >
> > >>>     > This is a VIA EPIA M10000 system.  I put my Xorg
> > >>         online at
> > >>>     > http://www.magicitx.com/pub/Xorg.0.log
> > >>>     > I'm trying to play a DVD with vlc when I get the
> > >>         error.  I don't
> > >>>     have Xine
> > >>>     > on the system and still working on xvmc for
> > >>         mplayer.  I'll focus on
> > >>>     > mplayer
> > >>>     > today so I can give more information.  Watching
> > >>         live-tv with
> > >>>     MythTV works
> > >>>     > fine including xvmc.
> > >>>     >
> > >>>     > Thanks
> > >>>     >
> > >>>     > --
> > >>>     >
> > >>>     > Tim
> > >>>     > www.magicitx.com <http://www.magicitx.com>
> > >>         <http://www.magicitx.com>
> > >>>     >
> > >>>
> > >>>     The error is Xv-related, so it would be interesting to
> > >>         know whether Xv
> > >>>     works for the other players you have with the same
> > >>         stream. XvMC uses
> > >>>     another DRM path.
> > >>>
> > >>>     /Thomas
> > >>>
> > >>>
> > >>>
> > >>> The system were I got this error broke.  It would stay up
> > >>         for about 10
> > >>> minutes then freeze hard.  It didn't matter what I was
> > >>         running or not
> > >>> running.  Rebooting didn't do any good unless I waited for a
> > >>         while.  I
> > >>> suspect a component on the motherboard has heat problems.
> > >>>
> > >>> So I replace the motherboard and the problem with vlc went
> > >>         away.  Was
> > >>> it due to the motherboard problem?  A BIOS setting?  This
> > >>         one may
> > >>> remain a mystery.
> > >>>
> > >>> Thanks for the help Thomas.
> > >>
> > >>         Great. Can you just verify (if the problem should re-emerge
> > >>         for you or
> > >>         for somebody else)
> > >>
> > >>         a) that this is a CLE266 chipset,
> > >>         b) you have the line "[Xv] Using PCI DMA for Xv image
> > >>         transfer." in your
> > >>         Xorg.0.log.
> > >>         c) vlc works fine.
> > >>
> > >>         Regards,
> > >>         Thomas
> > >>
> > >>>
> > >>> --
> > >>>
> > >>> Tim
> > >>> www.magicitx.com <http://www.magicitx.com> <
> > >>         http://www.magicitx.com <http://www.magicitx.com >>
> > >>
> > >>
> > >>
> > >>
> > >>     a. This is a CLE266 north bridge.
> > >>     b. No, I don't have that line in the Xorg.0.log file.  Hmmm
> > >>     c. vlc works find with both dvd's and files.
> > >>
> > >     Then b) might be the difference. That line should be there if you
> > >     use the latest openChrome driver and have dri enabled.
> > >
> > >     /Thomas
> > >
> > >>     --
> > >>
> > >>     Tim
> > >>     www.magicitx.com <http://www.magicitx.com>
> > >
> > >
> > >
> > > I reloaded the openchrome drivers and rebooted.  Now my Xorg.0.log has
> > > the PCI DMA line.  Guess what, vlc doesn't work.  Green screen where
> > > the video should be.  It is playing because I get audio.
> >
> > OK, Could you check then if  mplayer (using xv / _not xvmc_) or any
> > other xv videoplayer does work with the same stream?
> >
> > /Thomas
> >
> >
> > >
> > >
> > > --
> > >
> > > Tim
> > > www.magicitx.com < http://www.magicitx.com>
> >
> >
> >
> >
> mplayer works fine.
>
> --
>
> Tim
> www.magicitx.com
>


Since mplayer works fine it must be something vlc is doing.  I'm not sure
how vlc could cause a driver error like this though.

Is there any way I can reverse the Xv PCI DMA thing so vlc works?

--

Tim
www.magicitx.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://wiki.openchrome.org/pipermail/openchrome-users/attachments/20051229/5b89e9bf/attachment.html