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Date:      Fri, 13 Jun 2014 09:52:16 -0700
From:      David Wolfskill <david@catwhisker.org>
To:        Stefan Parvu <sparvu@systemdatarecorder.org>, freebsd-current@freebsd.org
Subject:   Re: iwn driver issue
Message-ID:  <20140613165216.GZ1180@albert.catwhisker.org>
In-Reply-To: <20140613163644.GA1291@brick.home>
References:  <20140613112624.bef131c3b84e5e4ad38ed84f@systemdatarecorder.org> <20140613163644.GA1291@brick.home>

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On Fri, Jun 13, 2014 at 06:36:44PM +0200, Edward Tomasz Napiera??a wrote:
> On 0613T1126, Stefan Parvu wrote:
> > Hi,
> >=20
> > Im running FreeBSD current:
> > FreeBSD nereid 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r265628: Thu May  8=
 08:05:37 UTC 2014    =20
> > root@grind.freebsd.org:/usr/obj/usr/src/sys/VT  amd64
> >=20
> > on Asus Zenbook UX32VD. My wireless network works ok, however from time=
 to time I need
> > to restart the netif service since my link does not work anymore. After=
 restart everything is ok.
> > The device is: Wifi: Intel Centrino Advanced-N 6235.
> >=20
> > Sometimes Im able to see something like:
> >=20
> > iwn0: iwn_scan: called whilst scanning!
> > iwn0: iwn_intr: fatal firmware error
> > firmware error log:
> >   error type      =3D "UNKNOWN" (0x0000198A)
> >   program counter =3D 0x00015920
> >   source line     =3D 0x000001DC
> >   error data      =3D 0x0000029600000000
> >   branch link     =3D 0x0001591000015910
> >   interrupt link  =3D 0x0000DBEA00000000
> >   time            =3D 2479833477
> > driver status:
> >   tx ring  0: qid=3D0  cur=3D14  queued=3D0 =20
> >   tx ring  1: qid=3D1  cur=3D0   queued=3D0 =20
> >   tx ring  2: qid=3D2  cur=3D0   queued=3D0 =20
> >   tx ring  3: qid=3D3  cur=3D19  queued=3D0 =20
> ...
> >=20
> > After restarting the networking service everything is back to normal.
>=20
> Can you update to at least r266546 and try again?
> ....

In case it's of interest or use, in tracking head daily for some time on
a Dell Precision M4400, I've seen similar symptoms.

But this morning, something happene dthat was rather worse than usual:
during "make installworld," (while I was otherwise occupied getting
ready to head in to work), the machine apparently rebooted.

Here are the last several builds I've done:

FreeBSD 11.0-CURRENT #1271  r267264M/267264:1100022: Mon Jun  9 07:47:43 PD=
T 2014     root@g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i3=
86
FreeBSD 11.0-CURRENT #1272  r267321M/267323:1100022: Tue Jun 10 06:31:13 PD=
T 2014     root@g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i3=
86
FreeBSD 11.0-CURRENT #1273  r267358M/267358:1100022: Wed Jun 11 08:51:08 PD=
T 2014     root@d130.dwolf.juniper.net.:/common/S4/obj/usr/src/sys/CANARY  =
i386
FreeBSD 11.0-CURRENT #1274  r267378M/267384:1100022: Thu Jun 12 12:51:53 PD=
T 2014     root@d130.dwolf.juniper.net.:/common/S4/obj/usr/src/sys/CANARY  =
i386
FreeBSD 11.0-CURRENT #1275  r267441M/267441:1100023: Fri Jun 13 06:34:57 PD=
T 2014     root@g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i3=
86

Note that the reboot referenced above was while it was doiong the
installworld for FreeBSD 11.0-CURRENT #1275  r267441M/267441:1100023,
so it was running FreeBSD 11.0-CURRENT #1274  r267378M/267384:1100022
at the time.

And (to bring this back to the topic at hand), when I checked the logs,
the last thing I found before the start-up messages fro the reboot was:

Jun 13 06:00:29 g1-252 kernel: iwn0: iwn_scan: called whilst scanning!
Jun 13 06:00:29 g1-252 kernel: iwn0: iwn_scan: called whilst scanning!
Jun 13 06:11:35 g1-252 kernel: iwn0: iwn_scan: called whilst scanning!
Jun 13 06:16:46 g1-252 kernel: Expensive timeout(9) function: 0xc0c858e0(0x=
d15728d0) 3.292387227 s
Jun 13 06:16:46 g1-252 kernel: iwn0: iwn_intr: fatal firmware error
Jun 13 06:16:46 g1-252 kernel: firmware error log:
Jun 13 06:16:46 g1-252 kernel: error type      =3D "SYSASSERT" (0x00000005)
Jun 13 06:16:46 g1-252 kernel: program counter =3D 0x000024EC
Jun 13 06:16:46 g1-252 kernel: source line     =3D 0x00000489
Jun 13 06:16:46 g1-252 kernel: error data      =3D 0x000000FF00000489
Jun 13 06:16:46 g1-252 kernel: branch link     =3D 0x000024C8000024C8
Jun 13 06:16:46 g1-252 kernel: interrupt link  =3D 0x0000091600000000
Jun 13 06:16:46 g1-252 kernel: time            =3D 2183893590
Jun 13 06:16:46 g1-252 kernel: driver status:
Jun 13 06:16:46 g1-252 kernel: tx ring  0: qid=3D0  cur=3D203 queued=3D6 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  1: qid=3D1  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  2: qid=3D2  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  3: qid=3D3  cur=3D4   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  4: qid=3D4  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  5: qid=3D5  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  6: qid=3D6  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  7: qid=3D7  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  8: qid=3D8  cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring  9: qid=3D9  cur=3D206 queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 10: qid=3D10 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 11: qid=3D11 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 12: qid=3D12 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 13: qid=3D13 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 14: qid=3D14 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 15: qid=3D15 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 16: qid=3D16 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 17: qid=3D17 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 18: qid=3D18 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: tx ring 19: qid=3D19 cur=3D0   queued=3D0 =
=20
Jun 13 06:16:46 g1-252 kernel: rx ring: cur=3D23
Jun 13 06:16:46 g1-252 kernel: iwn0: iwn_panicked: controller panicked, iv_=
state =3D 5; resetting...
Jun 13 06:23:22 g1-252 kernel: iwn0: iwn_scan: called whilst scanning!
Jun 13 06:28:43 g1-252 kernel: iwn0: iwn_scan: called whilst scanning!
Jun 13 06:36:33 g1-252 pkg-static: nvidia-driver-331.67 deinstalled
Jun 13 06:36:37 g1-252 pkg-static: nvidia-driver-331.67 installed
Jun 13 06:36:45 g1-252 kernel: iwn0: iwn_intr: fatal firmware error
Jun 13 06:36:45 g1-252 kernel: firmware error log:
Jun 13 06:36:45 g1-252 kernel: error type      =3D "SYSASSERT" (0x00000005)
Jun 13 06:36:45 g1-252 kernel: program counter =3D 0x000024EC
Jun 13 06:36:45 g1-252 kernel: source line     =3D 0x00000489
Jun 13 06:36:45 g1-252 kernel: error data      =3D 0x000000FF00000489
Jun 13 06:36:45 g1-252 kernel: branch link     =3D 0x000024C8000024C8
Jun 13 06:36:45 g1-252 kernel: interrupt link  =3D 0x0000091600000000
Jun 13 06:36:45 g1-252 kernel: time            =3D 3384124024
Jun 13 06:36:45 g1-252 kernel: driver status:
Jun 13 06:36:45 g1-252 kernel: tx ring  0: qid=3D0  cur=3D67  queued=3D1 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  1: qid=3D1  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  2: qid=3D2  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  3: qid=3D3  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  4: qid=3D4  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  5: qid=3D5  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  6: qid=3D6  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  7: qid=3D7  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  8: qid=3D8  cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring  9: qid=3D9  cur=3D127 queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 10: qid=3D10 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 11: qid=3D11 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 12: qid=3D12 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 13: qid=3D13 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 14: qid=3D14 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 15: qid=3D15 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 16: qid=3D16 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 17: qid=3D17 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 18: qid=3D18 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: tx ring 19: qid=3D19 cur=3D0   queued=3D0 =
=20
Jun 13 06:36:45 g1-252 kernel: rx ring: cur=3D63
Jun 13 06:36:45 g1-252 kernel: iwn0: iwn_panicked: controller panicked, iv_=
state =3D 5; resetting...
Jun 13 06:39:35 localhost syslogd: kernel boot file is /boot/kernel/kernel
Jun 13 06:39:35 localhost kernel: Copyright (c) 1992-2014 The FreeBSD Proje=
ct.
Jun 13 06:39:35 localhost kernel: Copyright (c) 1979, 1980, 1983, 1986, 198=
8, 1989, 1991, 1992, 1993, 1994
Jun 13 06:39:35 localhost kernel: The Regents of the University of Californ=
ia. All rights reserved.
Jun 13 06:39:35 localhost kernel: FreeBSD is a registered trademark of The =
FreeBSD Foundation.
Jun 13 06:39:35 localhost kernel: FreeBSD 11.0-CURRENT #1275  r267441M/2674=
41:1100023: Fri Jun 13 06:34:57 PDT 2014

[For completeness: after the machine came up, I re-started the "make
installworld", which then completed without further incident.]

Peace,
david
--=20
David H. Wolfskill				david@catwhisker.org
Taliban: Evil cowards with guns afraid of truth from a 14-year old girl.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.

--mDCy6lndoo077oG4
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--mDCy6lndoo077oG4--



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