The bug seems to be related (duplicate? ) of #434956
in my case,
> with xserver-xorg-video-ati = 6.13.0-1ubuntu5
when booting with default options (radeon.modeset=1) i get this bug
when booting with radeon.modeset=0 the x server fails with 'couldn't find valid pll dividers'
> with xserver-xorg-video-ati = 6.13.1-1ubuntu1~xup3~lucid
when booting with default options (radeon.modeset=1) i get this same bug
when booting with radeon.modeset=0 the x server starts but 'suspend' results on locking the display (screensaver) and blanking the screen (reverted by ctrl-alt-f1 / ctrl-alt-f7)
The bug seems to be related (duplicate? ) of #434956 xorg-video- ati = 6.13.0-1ubuntu5
in my case,
> with xserver-
when booting with default options (radeon.modeset=1) i get this bug
when booting with radeon.modeset=0 the x server fails with 'couldn't find valid pll dividers'
> with xserver- xorg-video- ati = 6.13.1- 1ubuntu1~ xup3~lucid
when booting with default options (radeon.modeset=1) i get this same bug
when booting with radeon.modeset=0 the x server starts but 'suspend' results on locking the display (screensaver) and blanking the screen (reverted by ctrl-alt-f1 / ctrl-alt-f7)
regards
fred