>
> cat /var/log/Xorg.0.log|grep "(EE)"
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [ 22706.248] (EE) dbus-core: error connecting to system bus:
org.freedesktop.DBus.Error.FileNotFound (Failed to connect to socket
/run/dbus/system_bus_socket: No such file or directory)
> [ 22706.253] (EE) open /dev/dri/card0: No such file or directory
> [ 22706.253] (EE) open /dev/dri/card0: No such file or directory
> [ 22706.253] (EE) Unable to find a valid framebuffer device
> [ 22706.253] (EE) Screen 0 deleted because of no matching config section.
> [ 22706.253] (EE) Screen 0 deleted because of no matching config section.
> [ 22706.253] (EE)
> [ 22706.254] (EE) Cannot run in framebuffer mode. Please specify busIDs
for all framebuffer devices
> [ 22706.254] (EE)
> [ 22706.254] (EE)
> [ 22706.254] (EE) Please also check the log file at "/var/log/Xorg.0.log"
for additional information.
> [ 22706.254] (EE)
> [ 22706.256] (EE) Server terminated with error (1). Closing log file.
>
The no framebuffer comments look suspicious.
I haven't used a Radeon card in a long long time but there are some general
framebuffer settings in the kernel compile. You might start there.
Good luck,
Mark