Is this still and issue for you? You may be able to identify the processes that are causing the problem using the fuser command, e.g. on mounted zfs file system /poolname use:
fuser -vm /poolname maybe that helps. ** Changed in: zfs-linux (Ubuntu) Status: New => Incomplete ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Low ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722261 Title: deadlock in mount umount and sync To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1722261/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs