Hi list !
We are producing iMX6 based products. We flash the exact same image to all of them. The image contains Wi-Fi setting for a first connexion. Sometimes (say one
of ten), the device is not connecting.
On those devices, we see that the wlan0 is "unavailable".
$ nmcli dev
wlan0 wifi unavailable --
lo loopback unmanaged --
$ nmcli device show wlan0
GENERAL.PÉRIPHÉRIQUE: wlan0
GENERAL.TYPE: wifi
GENERAL.ADR.-MAT.: 9A:DD:10:B2:43:FD
GENERAL.MTU: 1500
GENERAL.ÉTAT: 20 (indisponible)
GENERAL.CONNEXION: --
GENERAL.CON-PATH: --
Restarting NetworkManager is enough for recovering a functional Wi-Fi, meaning that everything around seems ok (wlan kernel module correctly probed,
configuration files are ok...)
1°) Any idea on what could happen here ?
2°) Is restarting NetworkManager the only way to modify the interface status ? I am planning to write a small script at boot-up which would detect this
situation and then run the appropriate command
Thank you very much,
gUI
--
Guillaume BETOUS
Embedded software engineer
E: guillaume.bet...@kawantech.com
M: +33 6 88 57 43 55
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W: www.kawantech.com / L: https://fr.linkedin.com/company/kawantech
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