Comment 4 for bug 838809

I wonder if this is another case of networking being ripped out from under the iSCSI stack during boot? That's been a problem in the past.

The best way to debug this is usually to boot with init=/bin/sh and then manually bring up the system, running steps from Upstart jobs by hand. It's tedious but it's a lot easier than trying to play guesswork from a full parallel boot ...