Poking around a bit I have found that, for some reason, the root volume is not available. Hence, running lvm and using lvchange -a y /dev/mapper /bromine-root at the prompt makes the device node appear (and hence I can mount it).
While this does not help me particularly it may help with tracking down the source of the problem. -- Unable to mount root LVM partition https://bugs.launchpad.net/bugs/596554 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs