From owner-freebsd-wireless@FreeBSD.ORG  Wed Sep  7 14:55:57 2011
Return-Path: <owner-freebsd-wireless@FreeBSD.ORG>
Delivered-To: freebsd-wireless@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 1EFF31065672;
	Wed,  7 Sep 2011 14:55:57 +0000 (UTC)
	(envelope-from emaste@freebsd.org)
Received: from mail1.sandvine.com (Mail1.sandvine.com [64.7.137.134])
	by mx1.freebsd.org (Postfix) with ESMTP id CD3218FC14;
	Wed,  7 Sep 2011 14:55:56 +0000 (UTC)
Received: from labgw2.phaedrus.sandvine.com (192.168.222.22) by
	WTL-EXCH-1.sandvine.com (192.168.196.31) with Microsoft SMTP Server id
	14.0.694.0; Wed, 7 Sep 2011 10:45:09 -0400
Received: by labgw2.phaedrus.sandvine.com (Postfix, from userid 10332)	id
	51B1D33C02; Wed,  7 Sep 2011 10:45:09 -0400 (EDT)
Date: Wed, 7 Sep 2011 10:45:09 -0400
From: Ed Maste <emaste@freebsd.org>
To: Joel Dahl <joel@vnode.se>
Message-ID: <20110907144509.GA93951@sandvine.com>
References: <09C13664-4FC0-41F3-8849-CE875B3A6CC0@vnode.se>
	<CAJ-VmokggV3r8cStQNOMRCKoWMF1tPsoXW6PhHPxSq-i8Pyf-Q@mail.gmail.com>
	<20110905062453.GM52426@goofy03.vnode.local>
	<CAAgh0_b6WKYQSyT22MegzxaEsdQBiP0huWgQC+9a7yAFvWdYJw@mail.gmail.com>
	<20110906204242.GP52426@goofy03.vnode.local>
	<CAAgh0_bOOT2j_y4AeJHpXQty36Gb32pYq_atyf6j9QqnhqeCsA@mail.gmail.com>
	<20110907105325.GQ52426@goofy03.vnode.local>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <20110907105325.GQ52426@goofy03.vnode.local>
User-Agent: Mutt/1.4.2.1i
Cc: freebsd-wireless@freebsd.org, Bernhard Schmidt <bschmidt@freebsd.org>
Subject: Re: BETA2 panic
X-BeenThere: freebsd-wireless@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Discussions of 802.11 stack,
	tools device driver development." <freebsd-wireless.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-wireless>, 
	<mailto:freebsd-wireless-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-wireless>
List-Post: <mailto:freebsd-wireless@freebsd.org>
List-Help: <mailto:freebsd-wireless-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-wireless>, 
	<mailto:freebsd-wireless-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Sep 2011 14:55:57 -0000

On Wed, Sep 07, 2011 at 12:53:25PM +0200, Joel Dahl wrote:

> > Can you try to comment out the call to ieee80211_beacon_miss() on line
> > 2936 in if_iwn.c? If the panic no longer happens the issue is
> > somewhere in the conditions before that call.
> 
> Hm, this is with bwn(4), not iwn(4). :)

For what it's worth, I've seen the same panic on occasion with a rum(4)
adapter.  Currently running r225223 + some minor local changes.

Console log:

wlan0: link state changed to DOWN
panic: wrong state 1
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper(c0f2d577,4,c0f2b58b,8cd,0,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0f78b11,0,c0f48baf,c5611be4,0,...) at kdb_backtrace+0x2a
panic(c0f48baf,1,49e5a776,4ae2b5f2,c0b2e830,...) at panic+0x117
ieee80211_swbmiss(c65f2000,0,c0f2aafa,216,c5611c24,...) at ieee80211_swbmiss+0x28
softclock(c10e5440,c10f2080,4,c0f27640,c598aa38,...) at softclock+0x29b
intr_event_execute_handlers(c59bc588,c598aa00,c0f23ac4,55e,c59be5c0,...) at intr_event_execute_handlers+0x125
ithread_loop(c5a027f0,c5611d28,c0f23730,3f9,c59bc588,...) at ithread_loop+0xa9
fork_exit(c09fc930,c5a027f0,c5611d28) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xc5611d60, ebp = 0 ---