This bit me too. Two 500GB drives, RAID1, using 10.04.1 alternate 386 installer.
Reading through all these comments, and those on similar (possibly related) bugs, it seems like this is caused by an arithmetic error in some code that figures out where things ought to be on the disk. Suddenly I am reminded of another arithmetic error that cropped up in gparted recently, relating to the switchover from align-to-cylinder to align-to-megabyte. Didn't the default partition alignment method just change in Lucid? Very suspicious... -- mount: mounting /dev/md0 on /root/ failed: Invalid argument https://bugs.launchpad.net/bugs/569900 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