Did you rebuild your initramfs after installing dmraid rc11? :~$ sudo update-initramfs -k `uname -r` -u
-- DMRAID stopped to work in kernels > 2.6.15 https://launchpad.net/bugs/54246 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
