F15 install. File system errors left uncorrected.

[linux guy]

I'm installing F15 on an HP laptop from the F15 KDE Live iso loaded on a USB
flash drive.

I've installed F15 on 6 computers with no problems using the same iso +
drive.  Furthermore, it passes the verify and run test when it boots.


I'm receiving the following message when the installation is complete.

===================================================
ext4 filesystem check failure on /dev/mapper/vg_alligator-lv_
root:

File system errors left uncorrected.

Errors like this usually mean there is a problem with the filesystem
that will require user interaction to repair.  Before restarting
installation, reboot to rescue mode or another system that allows you
to repair the filesystem interactively.  Restart installation after
you have corrected the problems on the filesystem.
==================================================

If I ignore the message, the drive won't boot the computer.

I ran the hard drive test function in the BIOS and it passes fine.

The drive is a brand new Seagate Momentus 500 GB with G Force protection.
I've tried two such drives and both yield the same result.

Here are some post of users that are having the same problem.

http://www.fedoraforum.org/forum/showthread.php?t=269860

https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=680667

https://bugzilla.redhat.com/show_bug.cgi?id=743990


Thanks !
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