The roswell beta installer will exit if a moutnpoint in the target
/etc/fstab is incorrect, or non-existant.
In the case of this test, /dev/hda6 at /mnt/test was defined as reiserfs,
and actually existed as
Anaconda exited with the message that the partition was unformatted or
inaccessable. The only option was to exit the installer.
This is less than intuitive, I think, and the option should be give to go
back or format the partiion before the installer exits.
On upgrades we are very picky because we do not want to inadvertantly upgrade
the wrong installation, or a misconfigured one, as this case was. That can lead
to bigger problems. We notify the user of a problem so they can rectify it
before we attempt the upgrade process.