From owner-freebsd-hackers@FreeBSD.ORG Tue Nov 8 08:42:07 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A846E16A41F; Tue, 8 Nov 2005 08:42:07 +0000 (GMT) (envelope-from bra@fsn.hu) Received: from people.fsn.hu (people.fsn.hu [195.228.252.137]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3300843D45; Tue, 8 Nov 2005 08:42:06 +0000 (GMT) (envelope-from bra@fsn.hu) Received: from localhost (localhost [127.0.0.1]) by people.fsn.hu (Postfix) with ESMTP id 2520A8441F; Tue, 8 Nov 2005 09:42:05 +0100 (CET) Received: from people.fsn.hu ([127.0.0.1]) by localhost (people.fsn.hu [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 58964-02-7; Tue, 8 Nov 2005 09:41:59 +0100 (CET) Received: from [127.0.0.1] (unknown [192.168.2.3]) by people.fsn.hu (Postfix) with ESMTP id 26CAC84426; Tue, 8 Nov 2005 09:41:59 +0100 (CET) Message-ID: <437064D6.6060504@fsn.hu> Date: Tue, 08 Nov 2005 09:41:58 +0100 From: Attila Nagy User-Agent: Mozilla Thunderbird 1.0.7 (X11/20050930) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Robert Watson References: <436A868F.4010606@fsn.hu> <20051104095129.M9692@fledge.watson.org> <436B8918.9060105@fsn.hu> <436C7998.5040404@fsn.hu> In-Reply-To: <436C7998.5040404@fsn.hu> Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at fsn.hu Cc: freebsd-hackers@freebsd.org, freebsd-amd64@freebsd.org Subject: Re: Reproduceable freeze with quotas enabled 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: Tue, 08 Nov 2005 08:42:07 -0000 Attila Nagy wrote: > Attila Nagy wrote: >> Robert Watson wrote: >>> On Thu, 3 Nov 2005, Attila Nagy wrote: >>> >>>> I have an "easily" (at least to me) reproduceable freeze with both >>>> 6-STABLE and 7-CURRENT on an amd64 SMP machine. >>>> What I do is simply copy a lot of directories, files and symlinks >>>> with different uids from another machine to this one, using rsync. >>> >>> This is probably a vnode lock leak or deadlock. As it looks like you >>> have both the ability to get into the debugger and also a serial or >>> other remote console, the output of: >>> show allpcpu >>> alltrace >>> show lockedvnods >>> show allocks >>> would be helpful. There are also "options DEBUG_LOCKS" which extends >>> the debugging information available via "show lockedvnods" with >>> information about where the lock was acquired, which can be quite >>> helpful. > http://people.fsn.hu/~bra/freebsd/crash-20051105/crashlog > I've put all together in this file. > Tell me please if I can do anything to make the issue more clear. Just for the record: the machine freezes with UP kernels too. Any chance to investigate it further? It's a really annoying bug, which makes quota support a little bit useless. Thanks, -- Attila Nagy e-mail: Attila.Nagy@fsn.hu Adopt a directory on our free software phone: +3630 306 6758 server! http://www.fsn.hu/?f=brick