[Openchrome-users] Could not lock DMA pages

[MagicITX]

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> wrote:
> >
> > Hi!
> >
> > MagicITX wrote:
> >
> > >
> > >
> > > On 12/24/05, *Thomas Hellstr?m* <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 >> 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>
> > >     >
> > >
> > >     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 >
> >
> >
> >
> >
> 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
>
>
>
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.


--

Tim
www.magicitx.com
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