Bug#572880: video-radeon: frequent lockups on suspend to disk/resume with KMS

[Michal Suchanek <michal.suchanek@ruk.cuni.cz>]

On 03/07/2010 01:57 PM, Brice Goglin wrote:
> Hramrach wrote:
>    
> > Package: xserver-xorg-video-radeon
> > Version: 1:6.12.191-1
> > Severity: normal
> > File: video-radeon
> >
> >
> > I have upgraded the system to get KMS working and now the system would
> > lockup about once in three tries when doing suspend to disk/resume.
> >
> > I suspect this is related to KMS but I had to upgrade quite a bit of
> > stuff to get it working so I cannot be sure.
> >
> > I will try with KMS disabled for now.
> >
> >      
> Is the log below from before or after you think you disabled KMS ?
> I am asking because of this:
>
>    
> > Kernel command line: root=/dev/mapper/nc4010-root ro splash video=radeonfb:mode=800x600
> > [...]
> > (II) [KMS] drm report modesetting isn't supported
> >      

Yes, it's after I disabled modesetting.

I can tell if it is enabled or not as it affects both console and X visibly.

radeonfb is blacklisted in 2.6.33 and I could not figure out the 
parameters that loaded it in 2.6.32 anyway.

Either way it's not modesetting what breaks suspend, it must be some 
unrelated change in the new packages. The system locks up on suspend 
with modesetting disabled as well.

Thanks

Michal