Sorry for the delay, I had to find some time to connect the RS690-based box again and do the testing. I installed the latest git head for dri2proto,drm,macros,mesa,pthread-stubs and xf86-video-ati, and restarted the box with radeon.modeset=0. The flickering actually got worse (just as with the standard ddx and KMS on Ubuntu 9.10; Now also the lower resolutions flicker on the DVI screen.
Sorry for the delay, I had to find some time to connect the RS690-based box again and do the testing. I installed the latest git head for dri2proto, drm,macros, mesa,pthread- stubs and xf86-video-ati, and restarted the box with radeon.modeset=0. The flickering actually got worse (just as with the standard ddx and KMS on Ubuntu 9.10; Now also the lower resolutions flicker on the DVI screen.
I'll try http:// bugs.freedeskto p.org/show_ bug.cgi? id=19960# c29 next, and report back there.