I have the same error on a clean install. lspci: 01:06.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
iwconfig: ath0 IEEE 802.11g ESSID:"VE" Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated Bit Rate:0 kb/s Tx-Power:18 dBm Sensitivity=0/3 Retry:off RTS thr:off Fragment thr:off Power Management:off Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 [EMAIL PROTECTED]:~$ sudo iwconfig ath0 mode master Error for wireless request "Set Mode" (8B06) : SET failed on device ath0 ; Invalid argument. [EMAIL PROTECTED]:~$ sudo iwconfig ath0 mode Master Error for wireless request "Set Mode" (8B06) : SET failed on device ath0 ; Invalid argument. I have D-Link DWL520 Rev. B3. -- 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