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Date:      Sat, 14 Aug 2010 10:43:40 -0700
From:      David Wolfskill <david@catwhisker.org>
To:        Bernhard Schmidt <bschmidt@techwires.net>
Cc:        Adrian Chadd <adrian@freebsd.org>, current@freebsd.org, Rui Paulo <rpaulo@lavabit.com>
Subject:   Re: Panic: Kernel page fault with ath0_com_lock held, r211295
Message-ID:  <20100814174340.GM1670@albert.catwhisker.org>
In-Reply-To: <AANLkTikr3vRYnjxzGQcc-TyRkk_SO4YUdwn=T2fQjsiK@mail.gmail.com>
References:  <20100814152907.GG1670@albert.catwhisker.org> <AANLkTi=zceU9Vb2C5_xPVcT8yaxF4ZsSHPieqBhDbsaW@mail.gmail.com> <20100814164750.GJ1670@albert.catwhisker.org> <AANLkTikr3vRYnjxzGQcc-TyRkk_SO4YUdwn=T2fQjsiK@mail.gmail.com>
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On Sat, Aug 14, 2010 at 07:05:40PM +0200, Bernhard Schmidt wrote:
> ...
> > OK; I reverted by doing this:
> >
> > g1-46(9.0-C)[1] cd /usr/src
> > g1-46(9.0-C)[2] svn merge -c -211295 file:///svn/freebsd/src/base/head
> > --- Reverse-merging r211295 into 'sys':
> > U =A0 =A0sys/net80211/ieee80211_node.c
> > U =A0 =A0sys/net80211/ieee80211_sta.c
> > g1-46(9.0-C)[3]
> >
> > I then re-built the kernel and rebooted (with the ath(4) card inserted):
> > [..]
> > I think that qualifies as "working".
>=20
> Indeed, please try attached patch.

Patch applied cleanly; rebuilt kernel; rebooted OK:

g1-219(9.0-C)[1] uname -a
FreeBSD g1-219.catwhisker.org. 9.0-CURRENT FreeBSD 9.0-CURRENT #91 r211295M=
: Sat Aug 14 10:22:11 PDT 2010     root@g1-219.catwhisker.org.:/usr/obj/usr=
/src/sys/CANARY  i386
g1-219(9.0-C)[2] ifconfig
xl0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=3D80009<RXCSUM,VLAN_MTU,LINKSTATE>
        ether 00:08:74:e9:c9:41
        media: Ethernet autoselect (none)
        status: no carrier
fwe0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=3D8<VLAN_MTU>
        ether 42:4f:c0:2c:30:41
        ch 1 dma -1
fwip0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
        lladdr 42.4f.c0.0.7.2c.30.41.a.2.ff.fe.0.0.0.0
iwi0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:0e:35:aa:11:ca
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
        status: associated
plip0: flags=3D8810<POINTOPOINT,SIMPLEX,MULTICAST> metric 0 mtu 1500
ipfw0: flags=3D8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=3D3<RXCSUM,TXCSUM> =20
        inet 127.0.0.1 netmask 0xff000000=20
        inet6 ::1 prefixlen 128=20
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7=20
        nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
ath0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:40:96:a7:a7:01
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11b
        status: associated
wlan1: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
        ether 00:0e:35:aa:11:ca
        media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
        status: no carrier
        ssid "" channel 5 (2432 MHz 11g)
        country US authmode WPA1+WPA2/802.11i privacy ON deftxkey UNDEF
        txpower 0 bmiss 24 scanvalid 60 protmode CTS wme roaming MANUAL
        bintval 0
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
        ether 00:40:96:a7:a7:01
        inet 172.17.1.219 netmask 0xffff0000 broadcast 172.17.255.255
        media: IEEE 802.11 Wireless Ethernet DS/11Mbps mode 11b
        status: associated
        ssid lmdhw-net channel 6 (2437 MHz 11b) bssid 00:60:1d:f1:ed:d3
        regdomain FCC indoor ecm authmode OPEN privacy ON deftxkey 1
        wepkey 1:40-bit txpower 23 bmiss 7 scanvalid 60 bgscan bgscanintvl =
300
        bgscanidle 250 roam:rssi 7 roam:rate 1 wme burst
g1-219(9.0-C)[3]=20

Thanks!

Peace,
david
--=20
David H. Wolfskill				david@catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.

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

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