This should possibly be filed as a bug on linux-restricted-modules. Unless you're using compiz/xgl, in which case it's possibly related to the separate X server process running.
** Changed in: firefox (Ubuntu) Status: Unconfirmed => Rejected -- Firefox won't start on edgy https://launchpad.net/bugs/59040 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs