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#1 2017-10-30 06:34:49

Yianni-VJ
Member
Registered: 2016-05-24
Posts: 84

Rasbian Stretch - WiFi problem

After a fresh install I get this error when I try to connect to wireless:

    Connection Error exit status 255 Successfully initialized wpa_supplicant
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ctrl_iface exists and seems to be in use - cannot override it
Delete '/var/run/wpa_supplicant/wlan0' manually if it is not used anymore
Failed to initialize control interface '/var/run/wpa_supplicant'.
You may have another wpa_supplicant process already running or the file was
left by an unclean termination of wpa_supplicant in which case you will need
to manually remove this file before starting wpa_supplicant again.

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#2 2017-10-30 18:48:37

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,562

Re: Rasbian Stretch - WiFi problem

run following command see if it any helps
sudo rm /var/run/wpa_supplicant/wlan0

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#3 2017-10-30 21:44:21

Yianni-VJ
Member
Registered: 2016-05-24
Posts: 84

Re: Rasbian Stretch - WiFi problem

rm: cannot remove '/var/run/wpa_supplicant/wlan0': No such file or directory

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#4 2017-10-31 04:26:26

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,562

Re: Rasbian Stretch - WiFi problem

Does it display same error again when you try connect to an AP?

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#5 2017-11-01 04:29:23

Yianni-VJ
Member
Registered: 2016-05-24
Posts: 84

Re: Rasbian Stretch - WiFi problem

Yes, same msg after a reboot

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#6 2017-11-01 05:51:44

Shahin
Administrator
Registered: 2016-02-17
Posts: 2,562

Re: Rasbian Stretch - WiFi problem

Try to connect wlan manually, it is very difficult to troubleshoot this issue directly from nanodlp.

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#7 2018-02-18 00:50:24

oliveenchine
Member
Registered: 2016-03-11
Posts: 25

Re: Rasbian Stretch - WiFi problem

Yianni-VJ wrote:

After a fresh install I get this error when I try to connect to wireless:

    Connection Error exit status 255 Successfully initialized wpa_supplicant
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ctrl_iface exists and seems to be in use - cannot override it
Delete '/var/run/wpa_supplicant/wlan0' manually if it is not used anymore
Failed to initialize control interface '/var/run/wpa_supplicant'.
You may have another wpa_supplicant process already running or the file was
left by an unclean termination of wpa_supplicant in which case you will need
to manually remove this file before starting wpa_supplicant again.


Got same issue , just delete the nanodlp wifi and dhcp setting files on  /boot (or just rename it ) . it should then connect normally ...

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