On Mon, Jul 7, 2025 at 4:43 PM Bjoern A. Zeeb <b...@freebsd.org> wrote:

> On Mon, 7 Jul 2025, Kevin Oberman wrote:
>
> > Late last month I removed my 2.4G SSID from wpa_supplicant.conf which
> > finally got my Intel Alder Lake card to associate with my 5G SSID and set
> > the mode to 11ac. This worked fine until I re-booted. Now the network
> > failed to start, spitting out repeated 'No beacon heard' messages with
> the
> > interface rapidly moving DOWN and then UP, finally giving up and leaving
> > the Interface DOWN.
> >
> > After logging in, I did 'service netif start wlan0' and the network came
> up
> > fine and continued to be stable until I next rebooted the system when the
> > same thing happened again.
> >
> > The log of the event is attached. Much is repetitive, but kept changing a
> > bit until the network was restarted.
>
> I am seeing this at times in my development bhyve but I wasn't able to
> pinpoint it to anything specific yet.
>
> service wpa_supplicant restart wlan0
>
> should be enough to get you out of this;  usually no need to throw away
> the entire wireless interface and re-create it.  I would say in 19 of 20
> times this happens that's doing the job for me;  there are times when I
> have to do it twice.
>
> Out of curiosity, was it warm restarts or cold boots from power off?
>
> --
> Bjoern A. Zeeb                                                     r15:7
>

Warm reboot in all cases.
-- 
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkober...@gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683

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