Ah, turns out this is resolved in 3.13.0-12-generic (and probably earlier). Thanks!
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1282302 Title: deadlock when unmounting nfs shares in trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1282302/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs