From owner-freebsd-current@FreeBSD.ORG Tue Jan 29 22:08:43 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3A18816A469 for ; Tue, 29 Jan 2008 22:08:43 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from mail2.fluidhosting.com (mx21.fluidhosting.com [204.14.89.4]) by mx1.freebsd.org (Postfix) with SMTP id C767E13C461 for ; Tue, 29 Jan 2008 22:08:42 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: (qmail 19940 invoked by uid 399); 29 Jan 2008 22:08:41 -0000 Received: from localhost (HELO lap.dougb.net) (dougb@dougbarton.us@127.0.0.1) by localhost with ESMTP; 29 Jan 2008 22:08:41 -0000 X-Originating-IP: 127.0.0.1 Message-ID: <479FA3E8.10606@FreeBSD.org> Date: Tue, 29 Jan 2008 14:08:40 -0800 From: Doug Barton Organization: http://www.FreeBSD.org/ User-Agent: Thunderbird 2.0.0.9 (X11/20080126) MIME-Version: 1.0 To: Attilio Rao References: <790a9fff0801150552l542a4238ofc12efe5fdb45fc2@mail.gmail.com> <3bbf2fe10801240707o72b927cg74dbf9b7bbcd88fc@mail.gmail.com> <20080125075551.GB21633@comp.chem.msu.su> <3bbf2fe10801250000k5852c2f2j5d1897c900096818@mail.gmail.com> <20080126142901.GD49535@comp.chem.msu.su> <479B6303.6000401@FreeBSD.org> <3bbf2fe10801260918k56c1a73hf28ff154eca0b74c@mail.gmail.com> <479BBDAA.6000008@FreeBSD.org> <3bbf2fe10801261657x7d7c9de4q71adeaf3a2dd8159@mail.gmail.com> <479C0B5B.9030709@FreeBSD.org> <3bbf2fe10801270642m5ec609d8xb29add77ced36d8a@mail.gmail.com> In-Reply-To: <3bbf2fe10801270642m5ec609d8xb29add77ced36d8a@mail.gmail.com> X-Enigmail-Version: 0.95.5 OpenPGP: id=D5B2F0FB Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Kostik Belousov , Yar Tikhiy , freebsd-current@freebsd.org Subject: Re: panic: System call lstat returning with 1 locks held 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: Tue, 29 Jan 2008 22:08:43 -0000 Attilio Rao wrote: > 2008/1/27, Doug Barton : >> Attilio Rao wrote: >> >>> As my really first commit about VFS happened on 28 december (and it >>> should also be a nop), and you reported a 23 december kernel, it seems >>> like the problem was alredy there by time. >> Ok, so you're off the hook. :) Interested in helping track down why >> it's panic'ing? > > Sure, I'm testing a patch which instruments lockmgr with ktr and > witness support. > I will post later in the day in order to make consumer-available. ok. FYI I tried torture-testing it today, and thing are looking a little better. It only paniced once, with the same message as in the subject but it was stat, not lstat. Unfortunately it didn't actually do the dump, so I don't have a backtrace. If I can get it to panic&dump I'll let you know. Doug -- This .signature sanitized for your protection