From owner-freebsd-current@FreeBSD.ORG Mon Oct 1 13:08:31 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2F508106566B; Mon, 1 Oct 2012 13:08:31 +0000 (UTC) (envelope-from w8hdkim@gmail.com) Received: from mail-vb0-f54.google.com (mail-vb0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id C598A8FC12; Mon, 1 Oct 2012 13:08:30 +0000 (UTC) Received: by vbmv11 with SMTP id v11so6827990vbm.13 for ; Mon, 01 Oct 2012 06:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=xzAwm+c7y0xZQa6UVJUf9x2GQMa5QARN6Qq7BCVYMZI=; b=Z4QAHirDD2BL92CnqKnEWGXqo/FkXYQI2d1kxZ53oyWsKG9AlCpVV6xm7R6Km637YZ x8PuE+V6rsI+ZovXyMU5VpTiOAPp4OCyTLVIFwwH4deE0vY7qLrs92AeAoV6wTyRHDL0 pdjph0zOIkynYbjCJzSDPM+lr6LrdtirCXrrIs0ezXiH7ybZdDoIC5nBKcaQE/C6QmF/ sC4/rVk3by2GTW7jRFtTZ+xnIGjqflOoS1nehYKQpL3CJHOQjf3P8CmfomaQ8GYmrGnI QupjTLH385CXgxqER7nC7/hBL+pas8x0CDG7e7qlHN6N8xL40ngYMLIpmBUdua9RczPu Tw3w== MIME-Version: 1.0 Received: by 10.52.68.201 with SMTP id y9mr6775506vdt.68.1349096910071; Mon, 01 Oct 2012 06:08:30 -0700 (PDT) Received: by 10.58.226.163 with HTTP; Mon, 1 Oct 2012 06:08:30 -0700 (PDT) In-Reply-To: <201210010804.08925.jhb@freebsd.org> References: <201210010804.08925.jhb@freebsd.org> Date: Mon, 1 Oct 2012 09:08:30 -0400 Message-ID: From: Kim Culhan To: John Baldwin Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-current@freebsd.org Subject: Re: panic possibly on on bridge member removal X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Oct 2012 13:08:31 -0000 On Mon, Oct 1, 2012 at 8:04 AM, John Baldwin wrote: > On Saturday, September 29, 2012 8:40:03 am Kim Culhan wrote: >> After a few hours of operation involving tap0 added to the bridge >> running openvpn >> and shutting down openvpn which removes tap0 from the bridge, the >> machine is found to have a panic: >> >> Fatal trap 12: page fault while in kernel mode >> cpuid = 1; apic id = 01 >> fault virtual address = 0x188 >> fault code = supervisor read data, page not present >> instruction pointer = 0x20:0xffffffff82a14f96 >> stack pointer = 0x28:0xffffff8000285670 >> frame pointer = 0x28:0xffffff80002856b0 >> code segment = base 0x0, limit 0xfffff, type 0x1b >> = DPL 0, pres 1, long 1, def32 0, gran 1 >> processor eflags = interrupt enabled, resume, IOPL = 0 >> current process = 12 (swi5: fast taskq) >> [ thread pid 12 tid 100022 ] >> Stopped at bridge_enqueue+0x86: calll *0x188(%r12) >> db> bt >> Tracing pid 12 tid 100022 td 0xfffffe0003aff000 >> bridge_enqueue() at bridge_enqueue+0x86 > > Can you run 'gdb /boot/kernel/kernel' and do 'l *bridge_enqueue+0x86'? > > -- > John Baldwin (gdb) l *bridge_enqueue+0x86 No symbol "bridge_enqueue" in current context. (gdb) -- -kim