I've the same problem with Ubuntu 11.04 daily build (april 9) on my ATI (!) based system.
I will try “drm_kms_helper.poll=0” as a kernel boot parameter -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/747069 Title: [natty beta-1] Screen flashes on and of every few seconds with nouveau driver _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp