Bug#441181: xserver-xorg-video-ati: does not detect monitor

[Alex Deucher]

On 9/17/07, Michal Suchanek <hramrach at centrum.cz> wrote:
> On 15/09/2007, Michal Suchanek <hramrach at centrum.cz> wrote:
> > On 14/09/2007, Brice Goglin <Brice.Goglin at ens-lyon.org> wrote:
> > > Michal Suchanek wrote:
> > > > Detects and throws away part of the information would be more precise.
> > > > It gets the sync rates and calculates a mode that fits into these but
> > > > is larger than physical size.
> > > >
> > > > It sort of works with 6.7.192 (in this setup it does not choose modes
> > > > larger than 1280x1024, probably just accidentally) but it crashes on
> > > > Radeon 9200, at least in Ubuntu.
> > > >
> > > > https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/139210
> > > >
> > >
> > > The problem described there looks like some lockups I have been
> > > experiencing lately too. There is at least one interesting fix in
> > > upstream git master for this, it helped for me. I uploaded
> > > xserver-xorg-video-ati 6.7.192-4 yesterday with the current contents of
> > > upstream git, please try it.
> > >
> > Tried to install the experimental X on a Lenny live CD. Locked up
> > quite fast. Before I could report I tried it :)
> >
> > Also I do not think these new drivers really fix the problem, they
> > just do not contain many of the built-in modes the old driver did.
> > Would have to test to be sure, though.
> >
> Tried to add the default modes from the old driver as modelines, and
> with the 6.7 from experimental it works. The driver rejects the larger
> modes because they are too large for virtual size.
>
> However, on the very system where it fixes the mode selection it
> caused a lockup.
>
> 01:00.1 0380: 1002:5940 (rev 01)
>
> Radeon 9250 (reported as Radeon 9200 PRO) rv280
>
> Should I file a different bug about the lockups or is there one among
> the zillions of Radeon bugs already?

First make sure you are using the latest bits from ati git, then if
you still have lockups, check bugzilla (https://bugs.freedesktop.org)
for similar bugs and possibly file a new bug.  What sort of lock up
(3D related, blank screen, etc.)?

Alex