On Wed, 2015-06-17 at 16:10 +0200, Pavel Machek wrote:
> > The above looks very much like the issue that made me write commit
> > 45171002b01b ("radeon: add AGPMode 1 quirk for RV250"). See
> > https://bugzilla.redhat.com/show_bug.cgi?id=531825 for a lot of
> > background.
> >
> > Does booting with radeon.agpmode=1 survive a suspend and resume cycle?
>
> Yes, that option helps. Thanks!
Then I suggest you add another quirk for your T40p (after testing
agpmode 2 also). Because this all seems to be caused by a broken BIOS,
and/or broken AGP thingy, and/or broken RV250 (or the interaction of
these things or whatever). Maddening stuff, impossible to debug.
Good luck,
Paul Bolle
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