Sorry for the confusion, I now found the problem. It is necessary to install also:
linux-ubuntu-modules package. With this package it works even with booting from raid 5 partition. -- [Hardy][Regression] dmraid45 target missing in latest kernel https://bugs.launchpad.net/bugs/220493 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs