Disabling the mtp plugin allows the pendrives to be detected and mounted correctly when Rhythmbox is running. However, disabling it is a workaround and not a fix.
Here is the bug reported with "ubuntu-bug storage": https://bugs.launchpad.net/ubuntu/+source/linux/+bug/557551 -- Rhythmbox "blocks" pendrives from mounting https://bugs.launchpad.net/bugs/555262 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to rhythmbox in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs