Same issue with a Linksys WPC54G v2 card. lspci output : 0000:03:00.0 Network controller: Texas Instruments ACX 111 54Mbps Wireless Interface Linking the default firmware to 1.2.1.34 causes it to work but links are broken with each kernel update. -- ACX Drivers -- needs updating. https://launchpad.net/malone/bugs/26703