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Date:      Tue, 10 Dec 2013 10:49:58 -0800
From:      "R. Tyler Croy" <tyler@monkeypox.org>
To:        freebsd-wireless@freebsd.org
Subject:   Bizarre iwn(4) firmware crash
Message-ID:  <20131210184958.GJ31882@kiwi.coupleofllamas.com>

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I'm not sure if this is a bug to file against intel, or a bug for us to wor=
ry
about. The firmware crashed, taking me offline. Fortunately `service netif
restart` brought wireless back for a short time before I saw this in /var/l=
og/messages:

Dec 10 10:47:05 kiwi kernel: iwn0: device timeout
Dec 10 10:48:35 kiwi kernel: iwn0: device timeout


The firmware crash itself:

Dec 10 09:58:24 kiwi kernel: iwn0: RF switch: radio enabled
Dec 10 09:58:25 kiwi kernel: iwn0: RF switch: radio disabled
Dec 10 09:58:25 kiwi kernel: iwn0: RF switch: radio enabled
Dec 10 09:58:25 kiwi kernel: iwn0: RF switch: radio disabled
Dec 10 09:58:25 kiwi kernel: iwn0: iwn_intr: fatal firmware error
Dec 10 09:58:25 kiwi kernel: firmware error log:
Dec 10 09:58:25 kiwi kernel: error type      =3D "SYSASSERT" (0x00000005)
Dec 10 09:58:25 kiwi kernel: program counter =3D 0x0001BE44
Dec 10 09:58:25 kiwi kernel: source line     =3D 0x000000FB
Dec 10 09:58:25 kiwi kernel: error data      =3D 0x0000000000000000
Dec 10 09:58:25 kiwi kernel: branch link     =3D 0x0001BD540001BD54
Dec 10 09:58:25 kiwi kernel: interrupt link  =3D 0x0000091600000000
Dec 10 09:58:25 kiwi kernel: time            =3D 237232
Dec 10 09:58:25 kiwi kernel: driver status:
Dec 10 09:58:25 kiwi kernel: tx ring  0: qid=3D0  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  1: qid=3D1  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  2: qid=3D2  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  3: qid=3D3  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  4: qid=3D4  cur=3D16  queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  5: qid=3D5  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  6: qid=3D6  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  7: qid=3D7  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  8: qid=3D8  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring  9: qid=3D9  cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 10: qid=3D10 cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 11: qid=3D11 cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 12: qid=3D12 cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 13: qid=3D13 cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 14: qid=3D14 cur=3D0   queued=3D0 =20
Dec 10 09:58:25 kiwi kernel: tx ring 15: qid=3D15 cur=3D0   queued=3D0 =20


- R. Tyler Croy
------------------
   Code: https://github.com/rtyler
Chatter: https://twitter.com/agentdero
         rtyler@jabber.org


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