From owner-freebsd-hackers@FreeBSD.ORG Mon Sep 24 15:42:41 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C312F16A41B for ; Mon, 24 Sep 2007 15:42:41 +0000 (UTC) (envelope-from benjie@addgene.org) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9271913C465 for ; Mon, 24 Sep 2007 15:42:41 +0000 (UTC) (envelope-from benjie@addgene.org) Received: by wa-out-1112.google.com with SMTP id k17so2088931waf for ; Mon, 24 Sep 2007 08:42:40 -0700 (PDT) Received: by 10.115.17.1 with SMTP id u1mr728887wai.1190648560551; Mon, 24 Sep 2007 08:42:40 -0700 (PDT) Received: by 10.114.15.16 with HTTP; Mon, 24 Sep 2007 08:42:40 -0700 (PDT) Message-ID: Date: Mon, 24 Sep 2007 11:42:40 -0400 From: "Benjie Chen" To: "Ivan Voras" In-Reply-To: MIME-Version: 1.0 References: X-Mailman-Approved-At: Tue, 25 Sep 2007 08:28:44 +0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-hackers@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Kernel panic on PowerEdge 1950 under certain stress load X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Sep 2007 15:42:41 -0000 Ivan and Kris, I will try to get a kernel trace -- it may not happen for awhile since I am not in the office and working remotely for awhile so it may not be easy to get a trace... but I will check. It looks like the problem reported by that link, and some of the links from there though... Benjie On 9/24/07, Ivan Voras wrote: > > Benjie Chen wrote: > > > Kernel panic is at 0xC066C731, which from nm shows it's in mtx_lock_spin > > c066c7b4 T _mtx_lock_spin > > c066c85c T _mtx_unlock_sleep > > > > So this could mean that independent stress tests will not result in > panic if > > there aren't enough concurrency to cause the problem. > > When you get a kernelbacktrace, see if it's the same as the one > mentioned here: > > http://lists.freebsd.org/pipermail/freebsd-current/2007-September/076932.html > > > > -- Benjie Chen, Ph.D. Addgene, a better way to share plasmids www.addgene.org