On Mon, Nov 24, 2008 at 10:28:44PM -0600, Jordan Bettis wrote:
>
> Hi. I just wanted to weigh in and say that I've tried Max's fix on my
> Ultra 5 and I can confirm that it works with the X server from lenny.
>
> Before trying Max's kernel patch I also verified that X.org is
> *broken* and unusable using the default kernel. This is true of the
> X.org server included in Lenny as well as the 1.5.3 server in
> experimental.
>
> Looking at the patch it's clear that the original intention of the
> kernel change was to clean out some seemingly crufty and dodgy old
> code, but seeing that
>
> 1) the change is localized to SPARC machines;
>
> 2) it renders X.org unusable with Ultra 5s, and highly probably Ultra
> 10s as they're virtually the same, as well as an unknown set of other
> machines;
>
> 3) Ultra 5s and Ultra 10s seem to remain the most popular SPARC
> machines for the desktop (and therefore the set of SPARC machines
> likely to have X.org installed)
>
> it doesn't seem reasonable to release stable Debian system with this
> problem in it on the academic grounds that "it's X.org's fault."
>
> This is a serious problem with Debian on SPARC. Assuming that Debian
> really cares about SPARC, (particularly on the desktop) and I think
> the project should do what needs to be done to make sure that this bug
> doesn't make it into the released version of Lenny.
>
> Someone mentioned not wanting to build their own kernel so I uploaded
> the one I built to my web server. I tried to build it from the source
> of linux-image-2.6.26, so that it would be identical to the Debian
> kernel -- with the patch applied -- but I ran into problems running
> dpkg-buildpackage. So instead I went with the usual
> linux-source/make-kpkg route.
>
> I enabled just about everything though so it should be pretty similar
> to a Debian kernel with respect to features. It is also built using
> initrd.
>
> <http://hafd.org/~jordanb/linux-image-2.6.26murat-custom_murat001_sparc.deb>
>
> Sorry about the name. I got a bit carried away.
Please retest the official 2.6.26-11 images to verify if they work you:
linux-2.6 (2.6.26-11) unstable; urgency=low
.
[ Bastian Blank ]
* [sparc] Reintroduce dummy PCI host controller to workaround broken X.org.
* [sparc] Fix size checks in PCI maps.
Cheers,
Moritz
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