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Date:      Wed, 21 Dec 2011 13:05:16 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Martin Lesser <ml-freebsd-wireless@bettercom.de>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: stuck beacon with if_ath: old but unresolved issue
Message-ID:  <CAJ-Vmokjsp=8d%2BBqnXq3z8N0Ed_3jS1JZmHj7jZOS7Fbkt8THg@mail.gmail.com>
In-Reply-To: <4EF23CD7.7090402@bettercom.de>
References:  <4EF23CD7.7090402@bettercom.de>

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Does this happen on -HEAD too?


Adrian

On 21 December 2011 12:08, Martin Lesser
<ml-freebsd-wireless@bettercom.de> wrote:
> Hi all,
>
> I'm wondering if anyone has an idea how to fix
> http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/155100 - it's occuring =
on
> newer kernels as well as on older ones:
>
> [ml@fs ~]$ uname -a
> FreeBSD fs.bettercom.de 8.2-RELEASE-p3 FreeBSD 8.2-RELEASE-p3 #0: Tue Sep=
 27
> 18:07:27 UTC 2011
> root@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC =A0i386
>
> [ml@fs ~]$ ifconfig wlan0
> wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
> =A0 =A0 =A0 =A0ether 00:1b:11:0d:69:2f
> =A0 =A0 =A0 =A0inet 192.168.100.1 netmask 0xffffff00 broadcast 192.168.10=
0.255
> =A0 =A0 =A0 =A0media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <=
hostap>
> =A0 =A0 =A0 =A0status: running
> =A0 =A0 =A0 =A0ssid BC_Home2 channel 5 (2432 MHz 11g) bssid 00:1b:11:0d:6=
9:2f
> =A0 =A0 =A0 =A0regdomain ETSI country DE indoor ecm authmode WPA1+WPA2/80=
2.11i
> =A0 =A0 =A0 =A0privacy MIXED deftxkey 3 TKIP 2:128-bit TKIP 3:128-bit txp=
ower 30
> =A0 =A0 =A0 =A0scanvalid 60 protmode CTS wme burst dtimperiod 1 -dfs
>
> Extract from /var/log/messages:
>
> ath0: <Atheros 5413> mem 0xd4000000-0xd400ffff irq 17 at device 4.0 on pc=
i5
> ath0: AR5413 mac 10.5 RF5413 phy 6.1
> ...
> Dec 21 19:43:56 fs kernel: ath0: stuck beacon; resetting (bmiss count 4)
> Dec 21 19:44:12 fs kernel: ath0: stuck beacon; resetting (bmiss count 4)
> Dec 21 19:46:31 fs last message repeated 3 times
> Dec 21 19:51:09 fs last message repeated 2 times
> Dec 21 20:04:33 fs kernel: ath0: stuck beacon; resetting (bmiss count 4)
> Dec 21 20:05:01 fs last message repeated 11 times
> Dec 21 20:07:10 fs last message repeated 32 times
> Dec 21 20:11:49 fs last message repeated 32 times
>
> Extract from /etc/rc.conf:
>
> wlans_ath0=3D"wlan0"
> create_args_wlan0=3D"wlanmode hostap country DE"
> ifconfig_wlan0=3D"inet 192.168.100.1 netmask 255.255.255.0 up channel 5:g=
"
>
> I'm not living in a crowded area instead my FreeBSD-box has channel 5
> "exclusiv"; only 2 or 3 other APs are in range of the box but working on
> another frequency (channels 1,2 and 11).
>
> BUT: The lines above from messages occured when the box sent bytes via
> another AP on channel 1 to which the BSD-box is connected via ethernet. T=
his
> other AP has another bssid. So no traffic was sent on wlan0 interface but
> ath0 was affected by traffic generated nearby as you can see above. Final=
ly
> the error may crash the box if wireless traffic keeps on a high rate (for=
mer
> postings about this issue state that too).
>
> What can I provide to get this bug in if_ath.c fixed? I would really like=
 to
> use my BSD-box also as AP but in the moment I cannot do that reliable. At
> the moment I'm concerned whether a 3rd may be able to crash my BSD-box by
> producing a large amount of wireless traffic...
>
> Regards
>
> Martin
> _______________________________________________
> freebsd-wireless@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless
> To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.or=
g"



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