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[SOLVED] No Wifi interface when booting of USB - Printable Version

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No Wifi interface when booting of USB - damianv - 16th Nov, 2013 08:48 PM

Hi Guys,

I have setup my PI up to boot from my USB flash disk and its working great! except I can't get my wlan going..
If I boot from SD it works fine no config needed but from USB its a no go?

Here are some outputs:

Terminal
$ lsusb
Bus 001 Device 009: ID 0846:9030 NetGear, Inc. WNA1100 Wireless-N 150 [Atheros AR9271]

$ cat /etc/network/interfaces
auto lo

iface lo inet loopback
iface eth0 inet dhcp

allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
wireless-power off
iface default inet dhcp

$ sudo ifconfig -a
eth0 Link encap:Ethernet HWaddr b8:27:eb:3d:24:58
inet addr:192.168.0.101 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7846 errors:0 dropped:0 overruns:0 frame:0
TX packets:5763 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7991192 (7.6 MiB) TX bytes:664808 (649.2 KiB)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1104 (1.0 KiB) TX bytes:1104 (1.0 KiB)

I'm running beta 1.1

I'm still very new to linux but learning as I go along Rolleyes

thanks!


RE: No Wifi interface when booting of USB - mk01 - 16th Nov, 2013 11:42 PM

@damianv

this sounds like power issue. do you have both wifi dongle and usb storage device attached through powered usb hub?


RE: No Wifi interface when booting of USB - damianv - 17th Nov, 2013 11:57 PM

Hi mk

Thanks for the reply. Yes it seems to have been a power issue. Used the powered usb hub and it has created an interface for the wlan0 now

Thanks for the help!


RE: No Wifi interface when booting of USB - IriDium - 18th Nov, 2013 06:26 AM

See Power usage