Had the same problem. My solution was to blacklist rt2500usb and rt2x00usb and only load rt73, as all of these claim to support the device (Hama Wireless LAN Stick 54 MBps)
-- Ralink Wireless legacy drivers (rt2500 rt61 rt73 rt2570) USB/PCMCIA/PCI hangs PC https://bugs.launchpad.net/bugs/34902 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs