[Openchrome-users] Could not lock DMA pages

[Thomas Hellström]

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>