I don't know the extent this would help you guys, but ...
Short version: I (and others, but not everyone) found that to make this work best, and specifically to ensure persistence, it helps to use ext3 for the casper-rw partition (and I have used ext3 for both partitions this time with 8.04: the root partition kubuntu804 and casper-rw). (I first got the tip from K0LO @ Kubuntu forums.)
I don't know the extent this would help you guys, but ...
Short version: I (and others, but not everyone) found that to make this work best, and specifically to ensure persistence, it helps to use ext3 for the casper-rw partition (and I have used ext3 for both partitions this time with 8.04: the root partition kubuntu804 and casper-rw). (I first got the tip from K0LO @ Kubuntu forums.)
Here's the notes on that, as well as other workarounds: /bugs.launchpad .net/ubuntu/ +source/ upstart/ +bug/125702
https:/
(do this, in addition to fixing the bug we are talking about here with BusyBox)