From owner-freebsd-current@FreeBSD.ORG Thu May 26 19:12:22 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org 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 10AF616A41C for ; Thu, 26 May 2005 19:12:21 +0000 (GMT) (envelope-from PeterJeremy@optushome.com.au) Received: from mail05.syd.optusnet.com.au (mail05.syd.optusnet.com.au [211.29.132.186]) by mx1.FreeBSD.org (Postfix) with ESMTP id 610B943D48 for ; Thu, 26 May 2005 19:12:21 +0000 (GMT) (envelope-from PeterJeremy@optushome.com.au) Received: from cirb503493.alcatel.com.au (c211-30-75-229.belrs2.nsw.optusnet.com.au [211.30.75.229]) by mail05.syd.optusnet.com.au (8.12.11/8.12.11) with ESMTP id j4QJCItQ012337 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 27 May 2005 05:12:19 +1000 Received: from cirb503493.alcatel.com.au (localhost.alcatel.com.au [127.0.0.1]) by cirb503493.alcatel.com.au (8.12.10/8.12.10) with ESMTP id j4QJCHRx018129; Fri, 27 May 2005 05:12:17 +1000 (EST) (envelope-from pjeremy@cirb503493.alcatel.com.au) Received: (from pjeremy@localhost) by cirb503493.alcatel.com.au (8.12.10/8.12.9/Submit) id j4QJCHD2018128; Fri, 27 May 2005 05:12:17 +1000 (EST) (envelope-from pjeremy) Date: Fri, 27 May 2005 05:12:17 +1000 From: Peter Jeremy To: Ted Faber Message-ID: <20050526191217.GA17267@cirb503493.alcatel.com.au> References: <20050526001806.GA1008@pun.isi.edu> <20050526080928.GE12640@cirb503493.alcatel.com.au> <20050526160846.GA6851@pun.isi.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050526160846.GA6851@pun.isi.edu> User-Agent: Mutt/1.4.2i Cc: freebsd-current@freebsd.org Subject: Re: hard deadlock(?) on -current; some debugging info, need help 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: Thu, 26 May 2005 19:12:22 -0000 On Thu, 2005-May-26 09:08:46 -0700, Ted Faber wrote: >On Thu, May 26, 2005 at 06:09:28PM +1000, Peter Jeremy wrote: >> Nothing is waiting on physical I/O, but there are lots of locked vnodes. >> I notice there's a sh(? - pid 10715) blocked on nfsreq. Can you reproduce >> the problem without the NFS mounted filesystems? > >I have a laptop on the same network that uses NFS much less aggressively >and it has never locked up. I understand that's anecdotal. It's pretty >hard to reconfigure the desktop into a position where I get work done >and don't use NFS here. OK. I have no reason to believe the problem is in NFS, it was just a "reduce the number of possibilities" type suggestion. >I've let it sit a few minutes. I'll try it again next lockup, just in >case. I've just typed "panic" from the debugger. If there's a better >way, please let me know. You could try "call doadump". -- Peter Jeremy