Try using 'ubuntu-bug storage' as that will help debug the detection of removable media and submit a new bug report for you about the proper package.
I've removed the package ubuntu-release-upgrader as this does not deal with the software that provides release upgrades. ** Package changed: ubuntu-release-upgrader (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1218272 Title: device notifier not detecting usb memory sticks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1218272/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs