I am on 0.1.30-1ubuntu and I just got this issue as well. I was unable to unmount a volume because tumblerd was generating thumbnails, even though I had no Thunar window open. I found it by running fuser, killing the process allowed me to unmount.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995918 Title: tumbler causes "Cannot unmount because file system on device is busy." To manage notifications about this bug go to: https://bugs.launchpad.net/tumbler/+bug/995918/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
