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

From: Idwer Vollering <vidwer_at_gmail.com>
Date: Mon, 06 Sep 2021 11:44:09 UTC
Op ma 6 sep. 2021 om 07:53 schreef Cy Schubert <Cy.Schubert@cschubert.com>:
>
> In message <2838567.hHqAuc6tWs@sigill.theweb.org.ua>, "Oleg V. Nauman"
> writes:
> > On 2021 M09 5, Sun 15:52:50 EEST David Wolfskill wrote:
> > > Sorry I hadn't noticed this yesterday (so I could have repported it
> > > then), but after updating the "head" slice of my laptopp from:
> > >
> > > FreeBSD g1-51.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #340
> > > main-n249128-a0c64a443e4c: Fri Sep  3 04:06:12 PDT 2021
> > > root@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 2021
> > > root@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.
> >
> >  I am also experiencing issues with wlan after my current update to
> > 1f7a6325fe1b. I have checked ath(4) , run(4), rtwn(4) and all of them
> > demonstrating the same behavior  - wlan can not associate.
> > You can mitigate it by using security/wpa_supplicant from ports as replacemen
> > t
> > of wpa_supplicant in base.
> >
> > .....
> > >
> > > I note that exactly the same hardware works OK in stable/12 and stable/13.
> > >
> > > Peace,
> > > david
> >
>
> Can you grep wpa_supplicant in /var/log/messages? This will give us a clue.

wpa_supplicant stops in wpa_driver_bsd_scan() -
https://github.com/freebsd/freebsd-src/blob/bd452dcbede69b1862c769f244948f94b86448b5/contrib/wpa/src/drivers/driver_bsd.c#L1315

Here's some selected output from /var/log/messages.

Before (built from commit a0c64a443e4cae67a5eea3a61a47d746866de3ee):

Sep  6 13:29:40 <hostname> wpa_supplicant[45348]: Successfully
initialized wpa_supplicant
Sep  6 13:29:40 <hostname> wpa_supplicant[45348]: ioctl[SIOCS80211,
op=20, val=0, arg_len=7]: Invalid argument
Sep  6 13:29:40 <hostname> syslogd: last message repeated 1 times
Sep  6 13:29:46 <hostname> wpa_supplicant[45349]: wlan1: Trying to
associate with <mac> (SSID='<ssid>' freq=2447 MHz)
Sep  6 13:29:46 <hostname> wpa_supplicant[45349]: Failed to add
supported operating classes IE
Sep  6 13:29:46 <hostname> kernel: wlan1: link state changed to UP
Sep  6 13:29:46 <hostname> wpa_supplicant[45349]: wlan1: Associated with <mac>
Sep  6 13:29:46 <hostname> dhclient[45401]: send_packet: No buffer
space available
Sep  6 13:29:46 <hostname> wpa_supplicant[45349]: wlan1: WPA: Key
negotiation completed with <mac> [PTK=CCMP GTK=CCMP]
Sep  6 13:29:46 <hostname> wpa_supplicant[45349]: wlan1:
CTRL-EVENT-CONNECTED - Connection to <mac> completed [id=0 id_str=]

After (built from main):

Sep  6 12:19:50 <hostname> wpa_supplicant[1236]: Successfully
initialized wpa_supplicant
Sep  6 12:19:50 <hostname> kernel: wlan1: Ethernet address: <mac>
Sep  6 12:19:50 <hostname> wpa_supplicant[1236]: ioctl[SIOCS80211,
op=20, val=0, arg_len=7]: Invalid argument
Sep  6 12:19:50 <hostname> syslogd: last message repeated 1 times
Sep  6 12:19:50 <hostname> wpa_supplicant[1237]: wlan1:
CTRL-EVENT-SCAN-FAILED ret=-1 retry=1

>
>
> --
> Cheers,
> Cy Schubert <Cy.Schubert@cschubert.com>
> FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  https://FreeBSD.org
> NTP:           <cy@nwtime.org>    Web:  https://nwtime.org
>
>         The need of the many outweighs the greed of the few.
>
>
> >
> >
>
>
>