error on usb boot

[stlsaint]

I am trying to boot backtrack off my usb using grub. I keep getting this error a:
EXT3-fs:Couldnt mount because of unsupported optional features (240)

And it says this about every partition on my harddrive on my computer. Im not sure how to fix this thus i ask here.

[Obtik6]

Kernel Compile troubles... - Bitbender Forums

i had the same problem, hopefully that helps you, or anyone with the same prob. googles awesome