I am seeing this problem as well, running 10.04.1. Formatted two identical internal drives as ext4, then merged them with mdadm. Status looks fine in mdadm output and in palimpset, but trying to mount the drive gives the same errors mentioned above. Looks like I'll have to re-format down to ext3.
I am seeing this problem as well, running 10.04.1. Formatted two identical internal drives as ext4, then merged them with mdadm. Status looks fine in mdadm output and in palimpset, but trying to mount the drive gives the same errors mentioned above. Looks like I'll have to re-format down to ext3.