This seems to be the same problem I have in #129183 Can you try with the package found in my ppa (http://ppa.launchpad.net/cschieli/ubuntu)
http://ppa.launchpad.net/cschieli/ubuntu/pool/main/l/linux-ubuntu- modules-2.6.22/linux-ubuntu- modules-2.6.22-12-generic_2.6.22-12.32~ppa1_i386.deb -- [Gutsy] Network Manager freezes system when logging into a WPA WiFi network using ralink rt2500 https://bugs.launchpad.net/bugs/133251 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
