I've tried what Alex told on freedesktop's bugtracker (please take a look there) so it really seems it's nothing about X itself, just loading the module without X involved the freeze happens.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/735126 Title: [natty] system freezes on boot without disabling KMS _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

