Possible solution!! Add your users to the disk group. It looks like udev bug (change of permissions on some devices).
-- Receive kio_media_mounthelper error when removing usb device https://bugs.launchpad.net/bugs/217550 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
