Yes,i did set the ESSID.Because there are a WiFi network called "default" actually.
Here is my dmesg.
Code:
#dmesg | grep ath
ath0 at pci2 dev 2 function 0 "Atheros AR5212 (IBM MiniPCI)" rev 0x01: irq 11
ath0: AR5213 5.6 phy 4.1 rf5111 1.7 rf2111 2.3, MKK1A, address 00:05:4e:4f:f2:c7
And
Code:
#cat /etc/hostname.ath0
dhcp NONE NONE NONE