Brice Goglin wrote:
FYI, a new version of the upstream Intel driver has been uploaded last
night (2:2.0.0-6). It contains what upstream developers think should fix
some problems on i830 chipsets. The package is currently in incoming
http://incoming.debian.org/
and will be moved to experimental within a couple hours.
Brice
Indeed, installing version 2:2.0.0-6 solved the problems for me.