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Date:      Tue, 01 Jun 2021 14:02:06 -0700
From:      Cy Schubert <Cy.Schubert@cschubert.com>
To:        current@freebsd.org
Subject:   Re: wpa_supplicant: SIGBUS after main-n247052-d40cd26a86a7 ->  main-n247092-ec7b47fc81b2
Message-ID:  <202106012102.151L26ud012631@slippy.cwsent.com>
In-Reply-To: <YLYle5bAV%2BaDYzVS@albert.catwhisker.org>
References:  <YLYle5bAV%2BaDYzVS@albert.catwhisker.org>

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Can you provide me with a backtrace, using the bt command, please.



-- 
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.


In message <YLYle5bAV+aDYzVS@albert.catwhisker.org>, David Wolfskill writes:
> 
> --+ZZXH3gC4eszK4ZV
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>
> Reading symbols from /usr/obj/usr/src/amd64.amd64/usr.sbin/wpa/wpa_supplica=
> nt/wpa_supplicant...
> (No debugging symbols found in /usr/obj/usr/src/amd64.amd64/usr.sbin/wpa/wp=
> a_supplicant/wpa_supplicant)
> [New LWP 100168]
> Core was generated by `/usr/sbin/wpa_supplicant -s -B -i wlan0 -c /etc/wpa_=
> supplicant.conf -D bsd -P /v'.
> Program terminated with signal SIGBUS, Bus error.
> --Type <RET> for more, q to quit, c to continue without paging--
> #0  0x00000000010fb34f in wpa_sm_rx_eapol ()
> (gdb) bt
> #0  0x00000000010fb34f in wpa_sm_rx_eapol ()
> #1  0x00000000010f3afe in l2_packet_receive ()
> #2  0x0000000001122ef3 in eloop_run ()
> #3  0x00000000010b44a8 in wpa_supplicant_run ()
> #4  0x000000000109fdec in main ()
> (gdb)=20
>
> wlan0 is an iwn(4) device, in this case.  Not yet sure how reproducible
> this is, but wpa_supplicant's issue(s) do not (yet) seem to prevent the
> machine from using teh network (as I'm typing on the laptop's keyboard
> to write this).
>
> uname strings: yesterday:
>
> FreeBSD g1-55.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #258 main-n2=
> 47052-d40cd26a86a7: Mon May 31 05:48:18 PDT 2021     root@g1-55.catwhisker.=
> org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY  amd64 1400018 1400018
>
> today:
>
> FreeBSD g1-55.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #259 main-n2=
> 47092-ec7b47fc81b2: Tue Jun  1 04:49:26 PDT 2021     root@g1-55.catwhisker.=
> org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY  amd64 1400018 1400018
>
> (Though the laptop did just lose connectivity; checking /var/log/messages:
>
> <6>1 2021-06-01T12:06:15.336865+00:00 g1-55.catwhisker.org kernel - - - wla=
> n0: link state changed to DOWN
> <2>1 2021-06-01T12:09:26.811751+00:00 g1-55.catwhisker.org kernel - - - if_=
> delmulti_locked: detaching ifnet instance 0xfffff800126d6800
> <2>1 2021-06-01T12:09:26.811773+00:00 g1-55.catwhisker.org syslogd - - - la=
> st message repeated 5 times
> <6>1 2021-06-01T12:09:26.811774+00:00 g1-55.catwhisker.org kernel - - - lo0=
> : link state changed to DOWN
> <27>1 2021-06-01T12:09:27.317032+00:00 g1-55.catwhisker.org dhclient 441 - =
> - My address (172.17.1.55) was deleted, dhclient exiting
> <2>1 2021-06-01T12:09:27.317474+00:00 g1-55.catwhisker.org kernel - - - if_=
> delmulti_locked: detaching ifnet instance 0xfffff800129a1800
>
> I tried "sudo service netif restart" and that brought the connection back
> (for now, anyway).
>
> As the laptop is a machine that I connect to networks I do not
> control, it uses packet filtering (ipfw, which I've been using since
> Whistle Communications, ca. 1998).
>
> The build typescript will be up at
> https://www.catwhisker.org/~david/FreeBSD/history/laptop.14_build_typescrip=
> t.txt
> shortly.
>
> Peace,
> david
> --=20
> David H. Wolfskill                              david@catwhisker.org
> Claiming that Donald Trump won the 2020 election is the opposite of
> patriotism.  Make of that what you will.
>
> See https://www.catwhisker.org/~david/publickey.gpg for my public key.
>
> --+ZZXH3gC4eszK4ZV
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>





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