I have a quite similar problem. My System (X-Server?) crashes from time to time (not always!) when watching video-files in totem or vlc. I'm not using compiz.
Kernel : Linux 2.6.24-19-generic (i686)
Compiled : #1 SMP Wed Jun 18 14:43:41 UTC 2008
C Library : GNU C Library version 2.7 (stable)
Distribution : Ubuntu 8.04.1
Desktop Environment : GNOME 2.22 (session name: Default)
-Display-
Resolution : 1280x800 pixels
Version : 1.4.0.90
-OpenGL-
Vendor : ATI Technologies Inc.
Renderer : ATI Mobility Radeon X1400
Driver Version : 8.50.3
Version : 2.1.7659 Release
Direct Rendering : Yes
Do you need more/other infos?
/var/log/Xorg.0.log.old:
(...)Fatal server error:
Caught signal 11. Server aborting
(II) AIGLX: Suspending AIGLX clients for VT switch
I have a quite similar problem. My System (X-Server?) crashes from time to time (not always!) when watching video-files in totem or vlc. I'm not using compiz.
Kernel : Linux 2.6.24-19-generic (i686)
Compiled : #1 SMP Wed Jun 18 14:43:41 UTC 2008
C Library : GNU C Library version 2.7 (stable)
Distribution : Ubuntu 8.04.1
Desktop Environment : GNOME 2.22 (session name: Default)
-Display-
Resolution : 1280x800 pixels
Version : 1.4.0.90
-OpenGL-
Vendor : ATI Technologies Inc.
Renderer : ATI Mobility Radeon X1400
Driver Version : 8.50.3
Version : 2.1.7659 Release
Direct Rendering : Yes
Do you need more/other infos?
/var/log/ Xorg.0. log.old:
(...)Fatal server error:
Caught signal 11. Server aborting
(II) AIGLX: Suspending AIGLX clients for VT switch