From owner-freebsd-current@FreeBSD.ORG  Wed Aug 17 23:18:41 2005
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: freebsd-current@freebsd.org
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 0D38916A41F
	for <freebsd-current@freebsd.org>; Wed, 17 Aug 2005 23:18:41 +0000 (GMT)
	(envelope-from thompsa@freebsd.org)
Received: from heff.fud.org.nz (60-234-149-201.bitstream.orcon.net.nz
	[60.234.149.201])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8224C43D45
	for <freebsd-current@freebsd.org>; Wed, 17 Aug 2005 23:18:40 +0000 (GMT)
	(envelope-from thompsa@freebsd.org)
Received: by heff.fud.org.nz (Postfix, from userid 1001)
	id F116C1CCD4; Thu, 18 Aug 2005 11:18:38 +1200 (NZST)
Date: Thu, 18 Aug 2005 11:18:38 +1200
From: Andrew Thompson <thompsa@freebsd.org>
To: Jonatan B <onatan@gmail.com>
Message-ID: <20050817231838.GA97927@heff.fud.org.nz>
References: <b0ba593005081703416d19fbf4@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <b0ba593005081703416d19fbf4@mail.gmail.com>
User-Agent: Mutt/1.4.2.1i
Cc: freebsd-current@freebsd.org
Subject: Re: [PANIC] 6.0BETA2 in l2ping flood
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 17 Aug 2005 23:18:41 -0000

On Wed, Aug 17, 2005 at 12:41:07PM +0200, Jonatan B wrote:
> This is a repeatable panic I get when l2ping flooding my tungsten.
> Maksim?
> 
> repeatable panic with bluetooth on SMP
> 
> #> l2ping -fa MyTungsten -s 65531
> 

Interesting... I can get exactly the same panic by doing

 ifconfig bridge0 create
  <'tcpdump -i bridge0' on another terminal>
 ifconfig bridge0 up
 ifconfig bridge0 destroy

So far I have been unable to find the cause.

> kernel trap 12 with interrupts disable
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 01
> virtual fault address	= 0xdeadc0e6
> fault code		= supervisor read, page not present
> instruction pointer	= 0x20:0xc06b15b6
> stack pointer		= 0x28:0xe508cc96	# sometimes 0x28:0xe508cc94
> frame pointer		= 0x28:0xe508cccc
> code segment		= base 0x0, limit 0xfffff, type 0x1b
> 			= DPL 0, pres 1, def32 1, gran 1
> processor eflags	= resume, IOPL = 0
> current process		= 37 (swi4: clock sio)
> [thread pid 37 tid 100036 ]
> Stopped at	softclock+0x96: cmpl	%eax,0x8(%ecx)
> db> trace
> Tracing pid 37 tid 100036 td 0xc2340d80
> softclock(0,0,c092b71f,251,e508cd00) at softclock+0x96
> ithread_loop(c2328500,e508cd38,c092b50a,30d,0) at ithread_loop+0x162
> fork_exit(c068b200,c2328500,e508cd38) at fork_exit+0xc1
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip = 0, esp = 0xe508cd6c, ebp = 0 ---
> db> 
> 
> 
> Please CC me as I'm not subscribed.
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"