This seems fixed in Wily too, as the changes in https://git.kernel.org/cgit/utils/util-linux/util- linux.git/commit/?id=4be900c51d371a7a41495e4eca2d29fc77c20c7c exist in the wily version of the package.
https://bazaar.launchpad.net/~ubuntu-branches/ubuntu/wily/util- linux/wily/view/head:/libmount/src/context_mount.c#L175 ** Changed in: util-linux (Ubuntu Wily) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/1507298 Title: [wily] user-mounted FUSE filesystems won't unmount Status in util-linux package in Ubuntu: Fix Released Status in util-linux source package in Wily: Incomplete Status in util-linux package in Gentoo Linux: Unknown Bug description: Steps to reproduce: 1) mount any user-mounted FUSE filesystem: sshfs, mp3fs, achivemount, ntfs-3g, ... 2) try to umount it using $ fusermount -u <mount_point> 3) observe the fail, claiming it wasn't found in /etc/mtab Observed with util-linux 2.26.2-6ubuntu3 The bug on the gentoo bugtracker: https://bugs.gentoo.org/show_bug.cgi?id=435540 There I've found a link to the in-upstream patch: http://git.kernel.org/?p=utils/util-linux/util-linux.git;a=commit;h=4be900c51d371a7a41495e4eca2d29fc77c20c7c To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1507298/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp