it was working somehow for almost 1 year and now again broken on my Arch linux Prestigio 133S laptop, a few weeks ago, after update, I've found 2 wlan interfaces instead of one and "no networks found" since then:
`~λ ip addr
....
10: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 54:c9:ef:d7:cf:b7 brd ff:ff:ff:ff:ff:ff
11: wlp0s21f0u7i2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 56:c9:ef:d7:cf:b7 brd ff:ff:ff:ff:ff:ff
~/builds/rtl8723buλ sudo systemctl stop wpa_supplicant@wlp0s21f0u7i2
~/builds/rtl8723buλ networkctl list
IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
7 enp0s21f0u4 ether routable configured
10 wlan0 wlan off unmanaged
11 wlp0s21f0u7i2 wlan off configuring
4 links listed.
~λ sudo wifi-menu wlp0s21f0u7i2
Scanning for networks... failed
No networks found
~λ sudo wifi-menu wlan0
Scanning for networks... failed
No networks found
~λ `
it was working somehow for almost 1 year and now again broken on my Arch linux Prestigio 133S laptop, a few weeks ago, after update, I've found 2 wlan interfaces instead of one and "no networks found" since then:
`~λ ip addr .... 10: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 54:c9:ef:d7:cf:b7 brd ff:ff:ff:ff:ff:ff 11: wlp0s21f0u7i2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 56:c9:ef:d7:cf:b7 brd ff:ff:ff:ff:ff:ff ~/builds/rtl8723buλ sudo systemctl stop wpa_supplicant@wlp0s21f0u7i2 ~/builds/rtl8723buλ networkctl list IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged 7 enp0s21f0u4 ether routable configured 10 wlan0 wlan off unmanaged 11 wlp0s21f0u7i2 wlan off configuring
4 links listed. ~λ sudo wifi-menu wlp0s21f0u7i2 Scanning for networks... failed No networks found ~λ sudo wifi-menu wlan0
Scanning for networks... failed No networks found ~λ `
full details will be later