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From: <bp@www.zefox.net>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Spontaneous locale change on Bookworm
Date: Tue, 24 Sep 2024 00:37:59 -0000 (UTC)
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Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> On Mon, 23 Sep 2024 16:38:25 -0000 (UTC), bp wrote:
> 
>> Why is still unclear.
> 
> You didn’t check the logs with journalctl, as I suggested?

I don't know what to look for.

The problem seemed solved by explicitly requiring wlan0
in Network > Advanced Options > preconfigured > Device.

At your prompting I did run
journalctl | grep -i wlan0 | grep -i failed
which yielded a repeating pattern of messages ending with:

Sep 22 09:30:54 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=1 duration=10 reason=CONN_FAILED
Sep 22 09:31:11 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=2 duration=20 reason=CONN_FAILED
Sep 22 09:31:27 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=1 duration=10 reason=CONN_FAILED
Sep 22 09:31:44 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=2 duration=20 reason=CONN_FAILED
Sep 22 09:31:45 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=1 duration=10 reason=CONN_FAILED
Sep 22 09:32:02 raspberrypi wpa_supplicant[823]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="d-link.zefox.net" auth_failures=2 duration=20 reason=CONN_FAILED
Sep 22 09:32:10 raspberrypi NetworkManager[821]: <info>  [1727022730.2605] device (wlan0): state change: config -> failed (reason 'no-secrets', sys-iface-state: 'managed')
Sep 22 09:32:10 raspberrypi NetworkManager[821]: <warn>  [1727022730.2612] device (wlan0): Activation: failed for connection 'preconfigured'
Sep 22 09:32:10 raspberrypi NetworkManager[821]: <info>  [1727022730.2614] device (wlan0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
as the last block of text. No errors after
roughly the time I changed the network settings to add Device wlan0,
which was done mid-morning on the 22nd, I think.

Running
journalctl | grep -i wlan0 | grep -i success
produced much output, ending with
Sep 22 09:35:14 raspberrypi NetworkManager[821]: <info>  [1727022914.3489] device (wlan0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to wireless network "d-link.zefox.net"
Sep 22 09:35:14 raspberrypi NetworkManager[821]: <info>  [1727022914.5427] device (wlan0): Activation: successful, device activated.
Sep 23 09:12:57 raspberrypi NetworkManager[819]: <info>  [1727107977.4602] device (wlan0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to wireless network "d-link.zefox.net"
Sep 23 09:12:57 raspberrypi NetworkManager[819]: <info>  [1727107977.6547] device (wlan0): Activation: successful, device activated.

The timestamp gap from Sep 22 to Sep 23 matches the pause before I
made the Device wlan0 change.  

This isn't very clever use of journalctl, admittedly, and I don't really
understand what it's showing me now. 

Running 
journalctl | grep -i wlan0 | grep -i supplicant-failed
produces just three lines:
Sep 21 07:36:41 raspberrypi NetworkManager[826]: <info>  [1726929401.0115] device (p2p-dev-wlan0): state change: disconnected -> unavailable (reason 'supplicant-failed', sys-iface-state: 'managed')
Sep 21 07:38:51 raspberrypi NetworkManager[826]: <info>  [1726929531.4462] device (p2p-dev-wlan0): state change: disconnected -> unavailable (reason 'supplicant-failed', sys-iface-state: 'managed')
Sep 22 08:05:07 raspberrypi NetworkManager[821]: <info>  [1727017507.7245] device (p2p-dev-wlan0): state change: disconnected -> unavailable (reason 'supplicant-failed', sys-iface-state: 'managed')

If any of this makes sense please clue me in. Meanwhile wifi seems to work, 
so I can get back to wrestling with your TLS exercises.

Thanks for all your help!

bob prohaska