CentOS - Apr 2010 - gdm_slave_xioerror_handler problem

Hi , guys:


 Today , I  work  on my  laptop which uses the CentOS x86_64  operating
system ,

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


This message came up serval times previously ~


Any other help would be nice.

Thanks in advance ~
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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