Just for the record and for those who have the problem, here is how i solved it : http://ubuntuforums.org/showthread.php?t=282956
-- "-generic" kernel doesn't boot after upgrade to Edgy prerelease (but -386 does) https://launchpad.net/bugs/67256 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
