Pi 3 on board WiFi help - Raspberry Pi Forums

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hi guys. please help. i've been searching days , driving me insane. have 2 sd cards; 1 ubuntu mate , 1 raspbian lite. i've installed mate , wicd , dependencies along usual updates that's far i'm trying troubleshoot issue. wifi works flawlessly in ubuntu, in lite can't work , thing driving me nuts. eth0 works fine. info have every solution i've tried hasn't worked, os seems ignore interface configs made in /etc/network interfaces while troubleshooting, wlan0 reads on ifconfig ethernet device, scanning works running ifdown yields invalid interface error. trying power off adapter systemctl resulted in invalid device error, , it's nothing recognised on lsusb unknown device is. dmesg returns string of errors can see below.

code: select all

[  559.660619] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -5 [  559.660631] brcmfmac: brcmf_cfg80211_get_tx_power: error (-5) [  559.660717] brcmfmac: brcmf_fil_cmd_data: bus down. have nothing do. [  559.660723] brcmfmac: brcmf_link_down: wlc_disassoc failed (-5) [  560.180578] brcmfmac: brcmf_fil_cmd_data: bus down. have nothing do. [  560.181935] brcmfmac: brcmf_fil_cmd_data: bus down. have nothing do. [  560.184861] brcmfmac: brcmf_fil_cmd_data: bus down. have nothing do. [  560.184879] brcmfmac: brcmf_cfg80211_get_channel: chanspec failed (-5) [  560.265461] brcmfmac: brcmf_fil_cmd_data: bus down. have nothing do. [  560.265477] brcmfmac: brcmf_cfg80211_reg_notifier: country code iovar returned err = -5
many help.

you shouldn't make changes /etc/network/interfaces. addition should make
/etc/wpa_supplicant/wpa_supplicant.conf

code: select all

network={   ssid="myssid"   psk="mypassphrase" }


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