Re: wlan0 no longer functional after n249128-a0c64a443e4c -> n249146-cb5c07649aa0

From: Graham Perrin <grahamperrin_at_gmail.com>
Date: Sun, 05 Sep 2021 13:22:58 UTC
On 05/09/2021 13:52, David Wolfskill wrote:

> … from:
>
> FreeBSD g1-51.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #340 main-n249128-a0c64a443e4c: Fri Sep  3 04:06:12 PDT 2021root@g1-55.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY   amd64 1400032 1400032
>
> to:
>
> FreeBSD g1-51.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #341 main-n249146-cb5c07649aa0: Sat Sep  4 04:28:27 PDT 2021root@g1-51.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY   amd64 1400032 1400032
>
> I find that while the em0 NIC still works, wlan0 (iwn(4) HW) does not:
> the WLAN LED doesn't light up. …


<https://cgit.freebsd.org/src/log/?qt=range&q=a0c64a443e4c...cb5c07649aa0>


> … I note that the subject update also included updates to
> contrib/wpa/wpa_supplicant, as well as some files in sys/net80211,
> but I have not started chasing that down. …

Can you share relevant lines from your /boot/loader.conf and 
/etc/rc.conf files? They're probably not a factor, but might be of 
interest. Thanks.

iwn(4) here, too, but I'm still on n248984-08b9cc316a3 
<https://cgit.freebsd.org/src/log/?qt=range&q=08b9cc316a3> from around 
eight days ago. I might update later (with a new boot environment).