http://groups.google.com/groups?q=In...d+format+LINUX

A few suggestions there. It all boils down to the kernel update. SOmething just might not be jiving with your system and the update... but it is odd that it took several reboots to creep up pn you.

Strange that the Ubuntu forums offered no help.

For future reference:

http://ubuntuforums.org/showthread.php?t=35087


A similar error with solution:

http://ubuntuforums.org/showthread.p...t=uncompressed

Other than that, I'd say back your data up and try again. Linux rules!