Previous version of xserver-xorg-video-savage does not seem to have this bug, so downgrading to 1:2.1.1-4 is a workaround:
http://snapshot.debian.net/package/xserver-xorg-video-savage -Mikko -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]