I filed debian bug https://bugs.debian.org/cgi- bin/bugreport.cgi?bug=788841 about the race condition that I think exists.
** Bug watch added: Debian Bug tracker #788841 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788841 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1462530 Title: multipath errors on vivid and wily kernel? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1462530/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs