update: Would flush have anything to do with the problem, I notice a lot of flushes on boot that disappear after a while, and this one seems to be stuck.
$ps -ef root 375 2 0 13:20 ? 00:00:00 [flush-8:16] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/125702 Title: casper-rw fs not cleanly unmounted on persistent live USB shutdown -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
