On 28 Jan 2002, Michel [ISO-8859-1] Dänzer wrote:
> On Mon, 2002-01-28 at 04:54, Davor Buvinic wrote:
> >
> > Yes, running glxgears cause the movie player to crawl and if I start to move
> > or resize their windows X crashes.
> >
> > The movie player is MPlayer, today cvs.
> >
> > Here is my log file from X. As you can see, at the end of the file the
> > following messages appears:
> >
> > [...]
> > (II) R128(0): StopVideo
> > (EE) R128(0): Idle timed out, resetting engine...
> > [...]
>
> I have an idea what the problem could be. The Xv code still uses direct
> register access, even when the CCE is running. That's exactly what we
> want to avoid, because it can crash the chip. :)
>
> I probably won't have time this week to work on a solution but I suggest
> you try either shutting down the CCE before accessing registers or
> adding new Xv functions which use the CCE for register access (à la the
> CCE accel functions). I'd prefer not shutting down the CCE at any rate.
>
Yes, that's what happens. I do think we need to shutdown CCE because in
some case we want to read registers - and not only write. The short term
solution would be to use XAA->Sync() instead of WaitForEngineIdle because
WaitForEngineIdle does not guarantee the card is quiscent in CCE mode.
Vladimir Dergachev
>
> --
> Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
> XFree86 and DRI project member / CS student, Free Software enthusiast
>
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