From owner-freebsd-current@FreeBSD.ORG Thu Sep 11 02:13:26 2003 Return-Path: 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 95C6F16A4BF for ; Thu, 11 Sep 2003 02:13:26 -0700 (PDT) Received: from mailout04.sul.t-online.com (mailout04.sul.t-online.com [194.25.134.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5EF3343FEC for ; Thu, 11 Sep 2003 02:13:25 -0700 (PDT) (envelope-from root@reifenberger.com) Received: from fwd00.aul.t-online.de by mailout04.sul.t-online.com with smtp id 19xNVp-0001wR-09; Thu, 11 Sep 2003 11:13:13 +0200 Received: from nihil.reifenberger.com (XjjfRqZYreWIZl1SQoI1tcMYxRSH2+8YlfUTfsjpLIAczFjLdivqU0@[217.232.240.79]) by fmrl00.sul.t-online.com with esmtp id 19xNVY-28oca00; Thu, 11 Sep 2003 11:12:56 +0200 Received: from nihil.reifenberger.com (localhost.reifenberger.com [127.0.0.1]) h8B9CtjV000713; Thu, 11 Sep 2003 11:12:56 +0200 (CEST) (envelope-from root@reifenberger.com) Received: from localhost (root@localhost)h8B9CtBM000710; Thu, 11 Sep 2003 11:12:55 +0200 (CEST) Date: Thu, 11 Sep 2003 11:12:55 +0200 (CEST) From: Michael Reifenberger To: Andrey Chernov In-Reply-To: <20030911090848.GA919@nagual.pp.ru> Message-ID: <20030911111235.E676@nihil.reifenberger.com> References: <20030911090848.GA919@nagual.pp.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Seen: false X-ID: XjjfRqZYreWIZl1SQoI1tcMYxRSH2+8YlfUTfsjpLIAczFjLdivqU0@t-dialin.net cc: current@freebsd.org Subject: Re: Double panics with g_up X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 11 Sep 2003 09:13:26 -0000 On Thu, 11 Sep 2003, Andrey Chernov wrote: > Date: Thu, 11 Sep 2003 13:08:49 +0400 > From: Andrey Chernov > To: current@freebsd.org > Subject: Double panics with g_up > > I saw this already 5 times. It is _always_ double panic. Second panic may > vary (f.e. clock, etc) but first one _always_ in g_up. Since second panic > is on the way, there is no usable stack trace remains. > > My suggestion: can we add sysctl to NOT sync disk after panic but reboot > immediately to preserve stack frame (for remote machine)? > kern.sync_on_panic=0 Bye! ---- Michael Reifenberger ^.*Plaut.*$, IT, R/3 Basis, GPS FreeBSD is BSD, UNIX(tm) is a BSD-like OS