I am experiencing the white boxes as well on a fully updated Gutsy. But I have a ATI graphics card.
My device section from xorg.conf (if that helps):
Identifier "ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE]"
Boardname "ati"
Busid "PCI:1:0:0"
Driver "ati"
Screen 0
Option "MergedFB" "off"
I am experiencing the white boxes as well on a fully updated Gutsy. But I have a ATI graphics card.
My device section from xorg.conf (if that helps):
Identifier "ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE]"
Boardname "ati"
Busid "PCI:1:0:0"
Driver "ati"
Screen 0
Option "MergedFB" "off"