Here just updated one device with the updated firmware and noticed many disk checks during the image write.
FSCK ==> “File System Consistency checK”
I did it a second time and saw the FSCKs some more.
This tells me that the internal MMC might be going dead.
That said the USB booting is working fine and that piece is in the boot EFI rom chip and not on the MMC chip.
General discussion relating to the O2 Joggler, from the default O2 setup, to alternative operating systems and applications.