On Mon, Apr 12, 2010 at 1:05 AM, sync <jiannma at gmail.com> wrote: > Suddenly the X-windows restarts when left at the login screen for more than > a few seconds. > > The error in my syslog is: > > Apr 12 15:26:45 localhost gdm[2892]: gdm_slave_xioerror_handler: Fatal X > error - Restarting :0 I'm having a similar problem, X suddenly restarted. When I searched Google for the stuff in the log it mentions some problems with old versions of firefox, but I don't have the bad version installed. What causes signal 15? Why the gdm fatal X error? What other logs should I be looking at? Relevant parts of /var/log/messages: Jan 7 08:31:53 x automount[3691]: update_negative_cache: key "vbox" not found in map. Jan 7 09:47:27 x automount[3691]: update_negative_cache: key "vbox" not found in map. Jan 7 09:50:08 x gconfd (y-26384): Received signal 15, shutting down cleanly Jan 7 09:50:08 x gconfd (y-26384): Exiting Jan 7 09:50:08 x gdm[4113]: gdm_slave_xioerror_handler: Fatal X error - Restarting :0 Jan 7 09:51:34 x gconfd (y-27711): starting (version 2.14.0), pid 27711 user 'y' mahalo, Dave