Matrox G550 dual head crashes 1.5.2 server

Tilman Sauerbeck tilman at
Wed Apr 15 11:13:19 PDT 2009

Stefan Dirsch [2009-04-15 11:28]:


> On Wed, Apr 15, 2009 at 10:14:12AM +0200, Dieter und Sigrid Henskes wrote:
> > I run a Matrox G550 card in dual head mode. This worked fine under Xorg 7.2 ( 
> > Linux Kernel in SUSE 10.3 ). But this crashes the Server 1.5.2 
> > under Xorg 7.4 in SUSE 11.1 ( Linux Kernel ). 
> In case you use MergedFB, I've reported this
> It would be appreciated if Tilman and/or Ian could shed some light on
> this.

The use of mga_hal isn't supported by xf86-video-mga - it hasn't worked
in ages.

The randr-1.2 branch of xf86-video-mga.git supports most of the
modesetting features that mga_hal offered, btw, though it's not finished
as you probably know :|


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