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tumbler prevents removable media and folders from being unmounted

Submitted by slickymaster

Assigned to Jannis Pohlmann

Link to original bug (#11260)

Description

tumbler prevents volume from being unmounted. The volume content consists of jpg, png, mov and MP4 files.

Here's the terminal output when trying to unmount the volume:

~$ fusermount -u ./private fusermount: failed to unmount /home/slickymaster/private: Device or resource busy

Running 'fuser -m' on the mount point to see what processes are currently using the filesystem:

~$ fuser -m ./private /home/slickymaster/private: 3829

Getting the process name:

~$ cat /proc/3829/cmdline /usr/lib/i386-linux-gnu/tumbler-1/tumblerd

The only possible way to get the volume to unmount is by manual killing the culprit process:

~$ kill 3829 ~$ fusermount -u ./private ~$

~$ apt-cache policy tumbler tumbler: Installed: 0.1.30-1ubuntu1 Candidate: 0.1.30-1ubuntu1 Version table: *** 0.1.30-1ubuntu1 0 500 http://pt.archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages 100 /var/lib/dpkg/status

~$ lsb_release -a && uname -r No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty 3.16.0-031600-generic