Oh, I got the workaround from this page (which I found through good ol' Google): http://marc.theaimsgroup.com/?l=linux-usb-devel&m=114781479530376&w=2
-- user is not informed if there is not enough power for usb devices https://launchpad.net/bugs/67848 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
