This could be the fdo bug at http://bugs.freedesktop.org/show_bug.cgi?id=26915 , which is fixed upstream in kernel 2.6.33.7 From the changelog:
commit ce0824b5a9740ac4d18368a224c945a10c680f1c Author: Alex Deucher Date: Sat Mar 6 09:43:41 2010 -0500 drm/radeon/kms: fix legacy tv-out pal mode commit ff3f011cd859072b5d6e64c0b968cff9bfdc0b37 upstream. fixes fdo bug 26915 Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/ Please test if possible. ** Bug watch added: freedesktop.org Bugzilla #26915 http://bugs.freedesktop.org/show_bug.cgi?id=26915 ** Package changed: xserver-xorg-video-ati (Ubuntu) => linux (Ubuntu) -- TV output has stationary horizontal gray stripes https://bugs.launchpad.net/bugs/584169 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ 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