I got the same issue with an Allied Telesyn PCMCIA card: sudo lspci -v
03:00.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01) Subsystem: Allied Telesyn International Unknown device 1204 Flags: bus master, medium devsel, latency 168, IRQ 11 Memory at f4000000 (32-bit, non-prefetchable) [size=64K] Capabilities: [44] Power Management version 2 The workaround is available with the Mad Wifi tools installed : sudo apt-get install madwifi-tools ifconfig ath0 down wlanconfig ath0 destroy wlanconfig ath0 create wlandev wifi0 wlanmode [sta|adhoc|ap|monitor|wds|ahdemo] Source of the workaround: http://madwifi.org/wiki/UserDocs/ChangingMode Hope this helps. -- Cannot set modes other than 'Managed' on Atheros based wifi card https://launchpad.net/bugs/62106 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
