Bug#569933: gnome-screensaver: Locking screen logs out gnome session

[Roland Hansmann]

> Looks like a X server crash to me.
>
> Is there anything relevant in /var/log/Xorg.0.log.old after this
> happens?
Xorg.0.log(.old) shows nothing suspicious. But daemon.log gives me the
following in the same second I lock the screen:
Feb 15 14:17:20  x-session-manager[7863]: WARNING: Detected that
screensaver has left the bus
Feb 15 14:17:20  gdm[7819]: WARNING: gdm_slave_xioerror_handler: Fatal X
error - Restarting :0

>
> What is your graphics hardware and which driver are you using?
>
# lspci |grep -i vga
01:00.0 VGA compatible controller: ATI Technologies Inc M64-S [Mobility
Radeon X2300]
I am using the "radeon" module from xserver-xorg-video-radeon.