From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ola Oni <oniola@gmail.com>
Date: Mon, 17 Dec 2018 23:12:58 +0000
Subject: [Buildroot] Wifi not working - raspberrypi3_defconfig
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On 17/12/2018 21:25, Peter Seiderer wrote:
> Hello Ola,
> 
> On Mon, 17 Dec 2018 20:31:43 +0000, Ola Oni <oniola@gmail.com> wrote:
> 
>>>
>>> raspberrypi3_defconfig with the following changes works for me:
>>>
>>> +BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y
>>>
>>> +BR2_PACKAGE_RPI_WIFI_FIRMWARE=y
>>> +BR2_PACKAGE_DHCPCD=y
>>> +BR2_PACKAGE_WPA_SUPPLICANT=y  :
>>
>> Hi Peter,
>>
>> I am rebuilt the raspberry pi 3 buildroot image which has now allowed me
>> to see wlan0 when I issue ifconfig but still can't seems to connect to
>> WiFi network.
>>
>> Attached is a file which I have appended my current rpi3_defconfig and
>> other outputs. Many thanks in advance.
> 
> - configs/rpi3_defconfig: looks good
> - dmesg: looks good (brcmfmac messages exist)
> - my /etc/network/interfaces (no wireless-... entries):
> 
> # interface file auto-generated by buildroot
>    
> auto lo
> iface lo inet loopback
> 
> auto eth0
> iface eth0 inet dhcp
>    pre-up /etc/network/nfs_check
>    wait-delay 15
>    hostname $(hostname)
> 
> auto wlan0
> iface wlan0 inet dhcp
>    pre-up wpa_supplicant -i wlan0 -c /etc/wpa_supplicant.conf -B
>    post-down killall -q wpa_supplicant
> 
> - my /etc/wpa_supplicant.conf (only the bare minimum):
> 
> network={
>      ssid="my ssid"
>      psk="my password"
> }
> 
> 
> Run wpa_supplicant with debug enabled (-dd)...double check ssid/psk?
> 
> Regards,
> Peter
> 
>>
>> Regards
>> Ola
> 
> 
Hi Peter,
WiFi is now working. Enabling the wpa_supplicant in debug mode revealed 
that there was an old file /var/run/wpa_supplicant/wlan0 that it wanted 
me to "delete" which I simply renamed.

I then proceed to running again but then I realized that I forgot to 
kill the original wpa_supplicant which was automatically started.

Killing this process and issuing the wpa_supplicant directly from the 
command line kicked things into life.

Thank you for your support highly appreciated.

Regards

Ola