So... I have done some experimenting on my own...
Apparently, adding the following options to your xorg.conf might fix the problem when using the fglrx driver:
and append the following lines to your xorg.conf:
---
Section "Extensions"
Option "Composite" "false"
EndSection
---
I don't know why Video-Overlay options might interfere with OpenOffice (and some other programs, too), but disabling the OpenGL Overlay somehow does the trick...
So... I have done some experimenting on my own...
Apparently, adding the following options to your xorg.conf might fix the problem when using the fglrx driver:
in
Section "Device"
add the following two lines:
---
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
---
and append the following lines to your xorg.conf:
---
Section "Extensions"
Option "Composite" "false"
EndSection
---
I don't know why Video-Overlay options might interfere with OpenOffice (and some other programs, too), but disabling the OpenGL Overlay somehow does the trick...