Bug#495267: Upstream commit which causes this
On Sat, 2008-08-16 at 09:33 +0200, Florian Weimer wrote:
> tag 495267 upstream
> 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.
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer