From owner-freebsd-current@FreeBSD.ORG Tue Jan 8 00:21:06 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id E2209C42 for ; Tue, 8 Jan 2013 00:21:06 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-ob0-f175.google.com (mail-ob0-f175.google.com [209.85.214.175]) by mx1.freebsd.org (Postfix) with ESMTP id B3843F28 for ; Tue, 8 Jan 2013 00:21:06 +0000 (UTC) Received: by mail-ob0-f175.google.com with SMTP id vb8so17989086obc.20 for ; Mon, 07 Jan 2013 16:21:00 -0800 (PST) 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=iWTvawaH6/3G+Dr1QTiqG7WbyF4MphqskQvT9biMmrI=; b=Ld8wqbOis3ASPae79VELqj4XfhsnA/eF4aT0ybgC95hoUjbKYj4vqHAvbPGETCJLEc SpRM6mTN4endy0XOUATtCgZ9rw6xXC9LzPE4AoaGUELpwD3uFLjGfHbZGwsRU/MtaZHf wNjG8IfSWhU6PCy6mqMqoDiojX8vC9MCtzcEUaa+Bpz3R67Cl9kaSXN2rZri8QL4RrsD 6vumDOAKWwHC99bZf4uyZeF9381+t7WBLbydkPstujfuqz8PxaevUAT+58IniRWvjr89 kYgAHGKarAgcRYSJ2NGaUT9qQdxfWac+9OJpaZqNxtBfIpGMPx69kdxAesVkt/+M/3em pPRA== MIME-Version: 1.0 Received: by 10.60.171.175 with SMTP id av15mr34089243oec.75.1357604460782; Mon, 07 Jan 2013 16:21:00 -0800 (PST) Received: by 10.76.128.68 with HTTP; Mon, 7 Jan 2013 16:21:00 -0800 (PST) In-Reply-To: <50EB63A9.50903@delphij.net> References: <50EB602F.9050300@delphij.net> <20130108000233.GZ82219@kib.kiev.ua> <50EB63A9.50903@delphij.net> Date: Mon, 7 Jan 2013 19:21:00 -0500 Message-ID: Subject: Re: sysctl -a causes kernel trap 12 From: Ryan Stone To: Xin LI Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Konstantin Belousov , FreeBSD Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Tue, 08 Jan 2013 00:21:06 -0000 Have you tried dropping into the debugger by setting debug.debugger_on_panic=1 instead of trying to generate a core? You might have some success generating at least a backtrace. Also it would be worth setting kern.stop_scheduler_on_panic=0 to see if that lets you generate a core.