Fixing R300 hangs

[David Nielsen]

søn, 26 02 2006 kl. 14:14 -0500, skrev John Thacker:
> Mike A. Harris wrote:
> 
> > Doing a bit of investigation has shown that it isn't just the
> > r300 DRI driver that is instable, but even just loading the X server
> > DRI module with many r300 or newer cards causes the system to crash,
> > even if DRI is actually disabled, and even if the r300 DRI driver is
> > not even present on the system.
> 
> I believe that this is almost surely this problem:
> http://lists.freedesktop.org/archives/xorg/2005-December/011678.html
> https://bugs.freedesktop.org/show_bug.cgi?id=4847
> http://webcvs.freedesktop.org/xorg/driver/xf86-video-ati/ChangeLog?rev=1.22&view=markup
> 
> There are some important memory map and other fixes for Radeon cards
> (especially R300 and above) that hit the xorg CVS tree on February
> 17, after 7.0.  (The author considered them a little too experimental
> for 7.0.)  Apparently without the fixes many people saw lockups using 
> R300 cards without DRI enabled or the r300 DRI drive present.  However,
> with these fixes the instability goes away.
> 
> Perhaps these upstream CVS patches could be integrated into the Fedora
> Core patches.  If so, the r300 driver could be left in FC5.  Of course,
> we are running low on time, but I think it's a relatively critical bug.
> Especially if the recent Mesa change doesn't solve the crashes for
> everyone.

Mike, could we get a set of testing rpms akin to what you did with the
fonts package to see if this fixes the r300 behavioral problems?

- David

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