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Bug#182924: xserver-xfree86: Xserver freezes on resume from suspend to disk with radeon chips and DRI enabled

On Fri, Feb 28, 2003 at 08:34:59PM -0500, Branden Robinson wrote:
> > LY. It will completly lock the machine. This is a known problem. Charl
> > Botha has written a patch for this. Since it is still not included in the
> > XF86 cvs and is also missing in XFree86 4.3 according to
> > <http://www.mail-archive.com/devel@xfree86.org/msg00207.html> and my own
> > experience with 4.3, I would like to have the patches applied for the
> > Debian package xserver-xfree86.
> > 
> > More information about this problem can be found at
> > <http://cpbotha.net/dri_resume.html>, patches can be found at
> > <http://cpbotha.net/files/dri_resume/>.
> The patch is pretty extensive; this means it may not apply cleanly given
> all the other patches I've made to the driver for Debian's packages.
> I may not have the patience do a lot of hand-merging, however, I will
> give this patch a shot.  If it's too much trouble I'll let you know;
> in that event perhaps you can mail debian-x or some other mailing list
> and find someone with this hardware and willing to prepare a version of
> the patch for our packages.

Another problem is that my patch makes crucial modifications to the DRM,
without which the Radeon XFree86 driver patches will have little or no
effect.  The DRM is the only place where things like Radeon microcode can be
reloaded after resume.

I've thought about this, but wouldn't know how to package this for Debian,
as Debian ships an unpatched kernel AFAICR.  Are there other packages which
ship kernel modules?

I did submit the work to fixes@xfree86.org, but apparently too late for the
4.3 release.  I've been promised that it would be integrated AFTER the 4.3
release, so eventually the DRM part will propagate into the 2.5 (and
probably 2.4) kernel trees.


charl p. botha http://cpbotha.net/ http://visualisation.tudelft.nl/

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