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I am working on beaglebone black trying to integrate TP link TL-WN721N Wifi dongle which uses atheros driver. I am using linux 3.2 kernel with ti-sitara rootfs

The problem is when is type the command

  wpa_supplicant -Dwext -i wlan0 -c /etc/wpa_supplicant.conf

it shows Successfully initialised wpa_supplicant

but it gets stuck there and i have to give ctrl+c to exit from that ,after that i gave

 ifup wlan0

the response was

  Sending discover...
  Sending discover...
  Sending discover...
  No lease, failing

after this I repeated the step for wpa_supplicant this time also it gets stuck and when I gave

ifup wlan0

this time it got the IP and was able to ping..........

This cycles were seemed to repeat when I tried connecting any-other wifi networks ie: wpa_supplicant gets stuck two times and on the second attempt of ifup wlan0 only i will be able to get IP

here is my /etc/wpa_supplicat.conf file

network={

    ssid="UTStarcom"
    #psk="123force"
    psk=44d83e5c96bd39f47b54625d80b80c79d5b14430d424fdf6636365901b01ab14

}

and my /etc/network/interfaces

 auto lo
 iface lo inet loopback

 auto eth0
 iface eth0 inet static
 address 192.168.2.30
 netmask 255.255.255.0
 gateway 192.168.2.1

 allow-hotplug wlan0
 auto wlan0
 iface wlan0 inet dhcp
 wpa-driver wext
 wpa-conf /etc/wpa_supplicant.conf

Can you suggest any solutions for this isuue?

Sorcrer
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2 Answers2

1

No! Don't Ctrl+C to terminate the wpa_supplicant, it is the daemon there to help you keep connection with the AP and exchange new keys with AP. Try run wpa_supplicant with -B to make it run in background.

You may also consider add control interface and control it over wpa-cli.

Shi B.
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  • I tried that also but then also and after when I tried "ifup wlan0" I got the result "no lease, failing" .The above combinations I mentioned in the question only gave the wlan connectivity – Sorcrer Mar 03 '14 at 13:25
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lsusb to find your usb client. Then, update your system. Use apt-cache search "Your USB Client". If you get a read-out, get back to me. Oh and you need to supply your BBB with the 5V jack instead of the USB to computer.

Seth

De Funct
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