Thank you for your response. I am running 2007 HE Mk II and have tried loading modules for ext2 before mounting when the partitions were formatted as ext2. My understanding was that ext3 did not require an external module and that mbcache was only necessary on OS 2007 on an N800. I think that the kernel in 2007 HE Mk II is actually 2006, thus not all rules re 2007 on an N800 apply to 2007 HE Mk II on an N770. Would not be surprised to learn I was mistaken in the implications of that though. What is jbd? I remember trying to reference it once in fstab.

Can you supply the commands to load those modules please?

And thank you for your work on allowing dual booting. You rock!