Cannot get radeon hd4290 working with KMS

Michel Dänzer michel at
Tue Mar 29 01:40:44 PDT 2011

On Die, 2011-03-29 at 10:34 +0200, A. Bischof wrote: 
> Am 29.03.2011 09:28, schrieb Michel Dänzer:
> > On Die, 2011-03-29 at 08:53 +0200, A. Bischof wrote:
> >>
> >> [dri] This chipset requires a kernel module version of 1.17.0,
> >> [dri] but the kernel reports a version of 2.8.0.[dri] If using legacy
> >> modesetting, upgrade your kernel.
> >> [dri] If using kernel modesetting, make sure your module is
> >> [dri] loaded prior to starting X, [...]
> >
> > I think this is the crucial piece of advice. It looks like the radeon
> > kernel module is getting loaded too late for the X driver to notice that
> > KMS is enabled.
> thanks for your quick answer. I thought so too, but loading the module 
> via /etc/modprobe.d/radeon-kms.conf should be early enough - but even if 
> I load it via grub, which I tried, this message remains.
> # cat /etc/default/grub
> ...
> #GRUB_CMDLINE_LINUX="radeon.modeset=1"
> I did update-grub2 afterwards.

Neither of these has any influence on when the module is loaded. Adding
radeon to /etc/modules may help, otherwise for testing you could boot to
single user mode first, modprobe radeon manually and then switch to
runlevel 2.

> P.S.:
> You can answer to the list, I read it ;-)

It's customary on X lists to follow up to individuals directly as well
as to the list. But I can try to remember respecting your wish.

Earthling Michel Dänzer           |      
Libre software enthusiast         |          Debian, X and DRI developer

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