I can confirm exactly the same behaviour with a PCI dlink using acx111 driver. When I got connected to my WEP network keyboard froze for a bit, network-manager applet disappeared and after that my keyboard stopped responding periodically or repeated multiple times the key I had pressed.
** Attachment added: "dmesg.log" http://launchpadlibrarian.net/17064807/dmesg.log -- [acx] 40-bit WEP on a Linksys WPC54Gv2 makes Hardy go wacko https://bugs.launchpad.net/bugs/250217 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs