ubuntu-x-swat team mailing list archive

[madbiologist <s.j.turner@xxxxxxxxx>]

Yes, anyone can run apport-collect <bugnumber>, assuming there is not a
build error in the package that the bug is assigned to (xserver-xorg-
video-ati in this case) like there was in the Intel graphics driver for
a while during Lucid development.

And yes, nomodeset should be forcing UMS.  However I found some reports
in the forums that nomodeset is not working for some people, both on ATI
and Intel graphics.  An alternative option which seems to work is
radeon.modeset=0

However I emailed ATI's Alex Deucher about the patch I mentioned in the
second paragraph of comment 17.  This is his reply:

> I'm unsure as to what it is supposed to do/fix.  Would you be able to
> explain briefly for me, with references if necessary?

It just expands the possible crtc mask for the output when mapping the
the kms stuff to xrandr.  evergreen cards have 6 crtcs.  The old mask
would have limited it to 4 IIRC.  It only affects cards capable of
more than 4 independent heads.

>
> In particular, does it have any relevance to the Launchpad bugs at
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/569372
> and
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/560306 
> ?

No relevance.  Your best bet for evergreen is kms.  The ums
modesetting code doesn't work well for digital outputs and I haven't
had time to sort out why.

-- 
10.4 Live CD - Blank screen with Radeon 5870
https://bugs.launchpad.net/bugs/569372
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