Re: iwn driver issue

From: Edward Tomasz Napierała <trasz_at_freebsd.org>
Date: Fri, 13 Jun 2014 21:12:13 +0200
I have mixed feelings about this.  Sure, a panic is a problem, but
without it the problem will remain unfixed - I'm unable to reproduce
it, even though I'm using the driver all the time.  And it's pretty
much useless without that patch.

The fix will probably be trivial; I just need a proper backtrace.

On 0613T1234, Adrian Chadd wrote:
> This isn't this first time this has been reported, right?
> 
> I think we may need to back this patch out until it's better resolved.
> 
> 
> -a
> 
> 
> On 13 June 2014 11:52, David Wolfskill <david_at_catwhisker.org> wrote:
> > On Fri, Jun 13, 2014 at 06:36:44PM +0200, Edward Tomasz Napiera??a wrote:
> >> On 0613T1126, Stefan Parvu wrote:
> >> > Hi,
> >> >
> >> > Im running FreeBSD current:
> >> > FreeBSD nereid 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r265628: Thu May  8 08:05:37 UTC 2014
> >> > root_at_grind.freebsd.org:/usr/obj/usr/src/sys/VT  amd64
> >> >
> >> > 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.
> >> >
> >> > Sometimes Im able to see something like:
> >> >
> >> > iwn0: iwn_scan: called whilst scanning!
> >> > iwn0: iwn_intr: fatal firmware error
> >> > firmware error log:
> >> >   error type      = "UNKNOWN" (0x0000198A)
> >> >   program counter = 0x00015920
> >> >   source line     = 0x000001DC
> >> >   error data      = 0x0000029600000000
> >> >   branch link     = 0x0001591000015910
> >> >   interrupt link  = 0x0000DBEA00000000
> >> >   time            = 2479833477
> >> > driver status:
> >> >   tx ring  0: qid=0  cur=14  queued=0
> >> >   tx ring  1: qid=1  cur=0   queued=0
> >> >   tx ring  2: qid=2  cur=0   queued=0
> >> >   tx ring  3: qid=3  cur=19  queued=0
> >> ...
> >> >
> >> > After restarting the networking service everything is back to normal.
> >>
> >> 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 PDT 2014     root_at_g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i386
> > FreeBSD 11.0-CURRENT #1272  r267321M/267323:1100022: Tue Jun 10 06:31:13 PDT 2014     root_at_g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i386
> > FreeBSD 11.0-CURRENT #1273  r267358M/267358:1100022: Wed Jun 11 08:51:08 PDT 2014     root_at_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 PDT 2014     root_at_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 PDT 2014     root_at_g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i386
> >
> > 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(0xd15728d0) 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      = "SYSASSERT" (0x00000005)
> > Jun 13 06:16:46 g1-252 kernel: program counter = 0x000024EC
> > Jun 13 06:16:46 g1-252 kernel: source line     = 0x00000489
> > Jun 13 06:16:46 g1-252 kernel: error data      = 0x000000FF00000489
> > Jun 13 06:16:46 g1-252 kernel: branch link     = 0x000024C8000024C8
> > Jun 13 06:16:46 g1-252 kernel: interrupt link  = 0x0000091600000000
> > Jun 13 06:16:46 g1-252 kernel: time            = 2183893590
> > Jun 13 06:16:46 g1-252 kernel: driver status:
> > Jun 13 06:16:46 g1-252 kernel: tx ring  0: qid=0  cur=203 queued=6
> > Jun 13 06:16:46 g1-252 kernel: tx ring  1: qid=1  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  2: qid=2  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  3: qid=3  cur=4   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  4: qid=4  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  5: qid=5  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  6: qid=6  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  7: qid=7  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  8: qid=8  cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring  9: qid=9  cur=206 queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 10: qid=10 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 11: qid=11 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 12: qid=12 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 13: qid=13 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 14: qid=14 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 15: qid=15 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 16: qid=16 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 17: qid=17 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 18: qid=18 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: tx ring 19: qid=19 cur=0   queued=0
> > Jun 13 06:16:46 g1-252 kernel: rx ring: cur=23
> > Jun 13 06:16:46 g1-252 kernel: iwn0: iwn_panicked: controller panicked, iv_state = 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      = "SYSASSERT" (0x00000005)
> > Jun 13 06:36:45 g1-252 kernel: program counter = 0x000024EC
> > Jun 13 06:36:45 g1-252 kernel: source line     = 0x00000489
> > Jun 13 06:36:45 g1-252 kernel: error data      = 0x000000FF00000489
> > Jun 13 06:36:45 g1-252 kernel: branch link     = 0x000024C8000024C8
> > Jun 13 06:36:45 g1-252 kernel: interrupt link  = 0x0000091600000000
> > Jun 13 06:36:45 g1-252 kernel: time            = 3384124024
> > Jun 13 06:36:45 g1-252 kernel: driver status:
> > Jun 13 06:36:45 g1-252 kernel: tx ring  0: qid=0  cur=67  queued=1
> > Jun 13 06:36:45 g1-252 kernel: tx ring  1: qid=1  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  2: qid=2  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  3: qid=3  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  4: qid=4  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  5: qid=5  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  6: qid=6  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  7: qid=7  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  8: qid=8  cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring  9: qid=9  cur=127 queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 10: qid=10 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 11: qid=11 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 12: qid=12 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 13: qid=13 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 14: qid=14 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 15: qid=15 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 16: qid=16 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 17: qid=17 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 18: qid=18 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: tx ring 19: qid=19 cur=0   queued=0
> > Jun 13 06:36:45 g1-252 kernel: rx ring: cur=63
> > Jun 13 06:36:45 g1-252 kernel: iwn0: iwn_panicked: controller panicked, iv_state = 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 Project.
> > Jun 13 06:39:35 localhost kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> > Jun 13 06:39:35 localhost kernel: The Regents of the University of California. 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/267441:1100023: 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
> > --
> > David H. Wolfskill                              david_at_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.
Received on Fri Jun 13 2014 - 17:12:19 UTC

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