[Openchrome-users] CN700 locks

[Andrey Melentyev]

Its a known to users issue. However I didn't see any opened bug for
this problem and no answers from openChrome developers. The problem
was mentioned in openchrome-users mailing list multiple times:

http://wiki.openchrome.org/pipermail/openchrome-users/2007-October/003711.html
http://wiki.openchrome.org/pipermail/openchrome-users/2007-October/003707.html

and later, as you can see in archives. No solution except the one with
"EnableAGPDMA" found in mailing lists.

AFAIK, there's no freely available datasheet for VIA cards. There were
some talks about opening VIA IGP's specs to some developers under NDA,
but it seems that it were just words.


On 09 Nov 2007 17:07:11 +0100, David Kuehling <dvdkhlng at gmx.de> wrote:
> >>>>> "Octav'" == Octav'  <octavsly at tiscali.nl> writes:
>
> > A quick answers: My machine does not crash anymore after disabling the
> > AGPDMA: Option "EnableAGPDMA" "false"
>
> I have the same problem w/ CN700.  But disabling DMA is quite a
> performance hit when playing movies.
>
> Is anybody actively researching that problem's cause?  Or is it known
> and just not yet fixed?
>
> Say I'm experienced with gnu/linux and driver development.  What could I
> do to help?  Anybody in posession of CN700 datasheets?
>
> David
> --
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>
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