Re: iwi0 firmware error on Dell Inspiron 6000 w/ Intel PRO/Wireless 2200BG

On Fri, 2007-10-26 at 12:20 +0200, Stefan Ehmann wrote:
> On Thursday 25 October 2007 19:54:17 Sam Leffler wrote:
> > Stefan Ehmann wrote:
> > > On Thursday 25 October 2007 18:28:47 pluknet wrote:
> > >> On 25/10/2007, Guy Helmer <ghelmer_at_palisadesys.com> wrote:
> > >>> I just upgraded a laptop to FreeBSD RELENG_7 checked out on 20071016.
> > >>> Previously, iwi0 had worked OK under FreeBSD 6.2.  After updating to 7,
> > >>> though, iwi0 reports "firmware error" and nothing more happens.  I have
> > >>> set legal.intel_iwi.license_ack=1 in /boot/loader.conf.  wpa_supplicant
> > >>> and dhclient are running with the same configurations that worked under
> > >>> FreeBSD 6.  I'm using the GENERIC kernel with SCHED_ULE instead of
> > >>> SCHED_4BSD, and the loaded modules are:
> > >>>
> > >>> Id Refs Address    Size     Name
> > >>>  1   23 0xc0400000 8d0750   kernel
> > >>>  2    1 0xc0cd1000 111b8    geom_eli.ko
> > >>>  3    2 0xc0ce3000 25ff8    crypto.ko
> > >>>  4    2 0xc0d09000 ab40     zlib.ko
> > >>>  5    1 0xc0d14000 6e48     snd_ich.ko
> > >>>  6    2 0xc0d1b000 4a52c    sound.ko
> > >>>  7    1 0xc0d66000 69164    acpi.ko
> > >>> 10    1 0xc32fb000 22000    linux.ko
> > >>> 11    1 0xc3595000 21000    radeon.ko
> > >>> 12    1 0xc35b6000 f000     drm.ko
> > >>> 13    1 0xc31ff000 f000     if_iwi.ko
> > >>> 14    1 0xc3e4f000 30000    iwi_bss.ko
> > >>>
> > >>> ifconfig iwi0 reports:
> > >>>
> > >>> iwi0: flags=8803<UP,BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
> > >>>         ether 00:12:f0:12:1c:24
> > >>>         inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
> > >>>         media: IEEE 802.11 Wireless Ethernet autoselect
> > >>>         status: no carrier
> > >>>         ssid "" channel 8 (2447 Mhz 11g)
> > >>>         authmode WPA1+WPA2/802.11i privacy ON deftxkey 1 txpowmax 100
> > >>>         bmiss 10 scanvalid 60 bgscan bgscanintvl 300 bgscanidle 250
> > >>>         roam:rssi11g 14 roam:rate11g 5 protmode CTS roaming MANUAL
> > >>> bintval 100
> > >>>
> > >>> I've tried setting debug.iwi=1, and the kernel messages regarding iwi0
> > >>> are:
> > >>>
> > >>> Oct 25 08:09:11 aquarius kernel: iwi0: <Intel(R) PRO/Wireless 2200BG>
> > >>> mem 0xdfcfd000-0xdfcfdfff irq 17 at device 3.0 on pci3 Oct 25 08:09:11
> > >>> aquarius kernel: iwi0: Ethernet address: 00:12:f0:12:1c:24 Oct 25
> > >>> 08:09:11 aquarius kernel: iwi0: [ITHREAD]
> > >>> Oct 25 08:09:14 aquarius kernel: iwi0: firmware error
> > >>> Oct 25 08:10:17 aquarius kernel: iwi_newstate: SCAN -> INIT flags 0x0
> > >>> Oct 25 08:10:31 aquarius kernel: iwi_newstate: INIT -> INIT flags 0x0
> > >>> Oct 25 08:10:31 aquarius kernel: iwi_newstate: INIT -> SCAN flags 0x1
> > >>> Oct 25 08:10:57 aquarius kernel: iwi_newstate: SCAN -> SCAN flags 0x1
> > >>> Oct 25 08:10:57 aquarius kernel: iwi_newstate: SCAN -> SCAN flags 0x1
> > >>>
> > >>> Any ideas?
> > >>>
> > >>> Guy
> > >>>
> > >>> --
> > >>> Guy Helmer, Ph.D.
> > >>> Chief System Architect
> > >>> Palisade Systems, Inc.
> > >>
> > >> Me too.
> > >> (It works in authmode OPEN though, see my case on
> > >> http://lists.freebsd.org/pipermail/freebsd-current/2007-August/076397.ht
> > >>ml)
> > >
> > > On my notebook, I get similar errors most of the time. The problems
> > > started some months ago.
> > >
> > > If I don't configure iwi0 via /etc/rc.conf, I can get WPA working
> > > something like this:
> > >
> > > ifconfig iwi0 up
> > > wpa_supplicant -d -i iwi0 -c /etc/wpa_supplicant.conf
> > > dhclient iwi0
> > >
> > > IIRC it worked most of the time via /etc/rc.conf if I disabled
> > > WITNESS/INVARIANTS. Haven't been using the notebook too much lately, so
> > > I'm not sure if this is still true.
> >
> > I just tested this on a t42 w/ 2200 card and it worked for me.  Try
> > setting debug.iwi to something like 2 or 5 and collect a log.  The
> > firmware is very finnicky and getting it to integrate w/ wpa_supplicant
> > was a challenge.
> 
> I upgraded to a fresh CURRENT.
> 
> Most of the time it works during startup. I couldn't reproduce the firmware 
> error message with debug.iwi enabled.
> 
> What used to work and now causes the firmware error message is when I 
> kldunload if_iwi. This used to work some time ago, e.g. iwi was automatically 
> reloaded and successfully associated. (I use this for suspend/resume)
> 
> I only get wpa_supplicant to work again if I do ifconfig iwi down/up.
> 
> Here's the log
> http://stud4.tuwien.ac.at/~e0125637/fbsd/iwi.log

My laptop (Acer TravelMate 4102) has this problem, too.
The workaround is:
1. Turn off radio switch.
2. sudo kldunload if_iwi
3. Goto 2. if console printed "firmware error."
4. Trun on radio switch.
5. Wi-Fi is workable now.