[    11.979] (II) [KMS] drm report modesetting isn't supported.
[    11.979] (EE) Screen 0 deleted because of no matching config section.
[    11.979] (II) UnloadModule: "radeon"
[    11.979] (EE) Device(s) detected, but none match those in the config file.
[    11.979] (EE)
Fatal server error:
[    11.979] (EE) no screens found(EE)
[    11.980] (EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[    11.980] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[    11.980] (EE)
[    11.987] (EE) Server terminated with error (1). Closing log file.