Found the problem. With 2.6.20-15.27, the harddisk was /dev/sda, but with 2.6.20-16.28 the harddisk became /dev/hda.
-- booting fails after kernel upgrade https://bugs.launchpad.net/bugs/117300 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs