Bug#495267: Upstream commit which causes this
On Sat, 2008-08-16 at 13:05 +0200, Florian Weimer wrote:
> * Michel Dänzer:
> > On Sat, 2008-08-16 at 09:33 +0200, Florian Weimer wrote:
> >> tag 495267 upstream
> >> thanks
> >> Upstream HEAD is still affected.
> >> commit 55e4469f59c82bb5762673de5f3f27d18b0bd9a3
> >> Author: Alex Deucher <firstname.lastname@example.org>
> >> Date: Tue May 20 17:46:58 2008 -0400
> >> RADEON: enable cloning on multi-crtc cards
> > I suspect this is a case of the xrandr utility not being smart enough to
> > automatically select different CRTCs for the outputs. Try choosing them
> > explicitly with --crtc.
> Doesn't seem to work, either. If I use --crtc, one of the screens just
> stays dark.
Please provide the exact command line you tried and the output of xrandr
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer