From owner-freebsd-stable@FreeBSD.ORG Thu Feb 23 23:46:31 2006 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3C9E116A420 for ; Thu, 23 Feb 2006 23:46:31 +0000 (GMT) (envelope-from gcr+freebsd-stable@tharned.org) Received: from mx11.sac.fedex.com (mx11.sac.fedex.com [199.81.193.118]) by mx1.FreeBSD.org (Postfix) with ESMTP id BBFC743D45 for ; Thu, 23 Feb 2006 23:46:28 +0000 (GMT) (envelope-from gcr+freebsd-stable@tharned.org) Received: from inet03.prod.fedex.com (inet03.prod.fedex.com [199.81.10.43]) by mx11.sac.fedex.com (8.12.9p2/8.12.9) with ESMTP id k1NNkH1c092339 for ; Thu, 23 Feb 2006 17:46:25 -0600 (CST) (envelope-from gcr+freebsd-stable@tharned.org) Received: from w10.sac.fedex.com (w10.sac.fedex.com [161.135.204.136]) by inet03.prod.fedex.com (8.12.11/8.12.11) with ESMTP id k1NNk9wv006719 for ; Thu, 23 Feb 2006 17:46:17 -0600 (CST) Received: from w10.sac.fedex.com (gcr@localhost [127.0.0.1]) by w10.sac.fedex.com (8.13.4/8.13.4) with ESMTP id k1NMilX2020745; Thu, 23 Feb 2006 16:44:47 -0600 (CST) (envelope-from gcr+freebsd-stable@tharned.org) Received: from localhost (gcr@localhost) by w10.sac.fedex.com (8.13.4/8.13.4/Submit) with ESMTP id k1NMiku8020551; Thu, 23 Feb 2006 16:44:47 -0600 (CST) (envelope-from gcr+freebsd-stable@tharned.org) Date: Thu, 23 Feb 2006 16:44:46 -0600 (CST) From: Greg Rivers Sender: gcr@fedex.com To: "Michael R. Wayne" In-Reply-To: <200602231753.k1NHr8c1079056@manor.msen.com> Message-ID: <20060223163849.I12100@w10.sac.fedex.com> References: <200602231753.k1NHr8c1079056@manor.msen.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: stable@freebsd.org Subject: Re: Disk I/O system hang on 5.4-RELEASE-p8 i386 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Feb 2006 23:46:31 -0000 On Thu, 23 Feb 2006, Michael R. Wayne wrote: > Been fighting this for a while. We have an older server, running > 5.4-RELEASE-p8 i386 and used primarily for email, which hangs every > couple of weeks. The hang seems to be in the disk I/O system; pings > succeed, and I can continue get a login: prompt on the console until > I enter a login at which the response stops. > [snip] I think you're seeing the UFS deadlock I reported last November for RELENG_6. See the thread beginning at http://lists.freebsd.org/pipermail/freebsd-stable/2005-November/019979.html I believe this issue has made it onto the show-stopper list for 6.1-RELEASE and is being actively worked on. -- Greg