> > Does the BIOS setup allow changing the graphics aperture size? If yes, > > can you try increasing it? > > Nothing like that in the BIOS menus. Note that some BIOSes obfuscate it as DVMT (Dynamic Video Memory Technology) or some other fancy marketing term.
The BIOS of my VAIO VGN-B1VP does not have more than Date, Password, IDE devices and Boot device settings. Anyway this used to work perfectly with xserver-xorg-video-i810, so this seems to be a problem with the new driver.