Created attachment 360274 [details] X server logfile Description of problem: Fedora 12 Radeon Test Day 2009-09-09 with i686 LiveCD Multihead Test: Any changes in GNOME display properties, e.g. enabling clone mode, switching off a monitor. crashes X server. NOTE: The machine DOES not start up in clone mode but gdm appears on a screen stretched over 2 displays. Version-Release number of selected component (if applicable): kernel-2.6.31-0.212.rc9.git1.fc12.i686 xorg-x11-drv-ati-6.13.0-0.3.20090908git651fe5a47.fc12.i686 libdrm-2.4.12-0.9.fc12.i686 mesa-libGL-7.6-0.9.fc12.i686 How reproducible: always Additional info: smolt profile attached as URL. No xorg.conf in use.
Created attachment 360275 [details] dmesg logfile
Created attachment 360276 [details] Output of xrandr --verbose
*** Bug 493412 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 522137 ***