You may have run out of memory space on your RAM disk while you
were doing the full backup (Or something like that ;)
This could have caused the package to go corrupted. My experience of kernel
panic in leaf is often due to some lack of memory.
This is what I would investigate if I were you.
Apparently, I didn't realize that when I responded to this earlier, it went
to ALParada personally and not to the list. (Sorry, I'm new on this
particular list.) I'm resending this to the list so that everyone can
benefit from the discusion:
-Original Message-
From: ALParada