Barry Warsaw writes:
The scary one is two independent reports of fstab corruption in the 8.04 to 8.10 upgrade. It is claimed to be unfixable by booting from CD, mounting the partition, and editing fstab: the editor saves but the fstab returns to the original corrupt state upon reboot.
For me, servers have been the easiest to upgrade. I've never had a problem with the OS specifically. I have had problems with certain applications [...]. On the desktops, IME the most troublesome part is always X, [...].
This certainly conforms to what I've seen on that LUG list. Since nobody on that list is running Ubuntu server, the "scary one" (quoted above) can probably be discounted, too. That looks like some user-friendliness run amok.