From owner-freebsd-current@FreeBSD.ORG Tue May 15 23:24:56 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 68B4216A406 for ; Tue, 15 May 2007 23:24:56 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.173]) by mx1.freebsd.org (Postfix) with ESMTP id E6F5513C465 for ; Tue, 15 May 2007 23:24:55 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: by ug-out-1314.google.com with SMTP id 71so1353610ugh for ; Tue, 15 May 2007 16:24:55 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=rCbeP2zGzxNtEZsSVZxThSr2l6YbgmYeAce28aQ1dr1rhjrgWmAcNBKNgSAKgML10ymFjPKy8xGeoXIETxMt3qNSfa0roWXdY9ZMGE+mi7K2894ocARhLajVXtKSdlK04QpmLQb9R5k0G/8qWintDHRcEOWWK1Tkd1vbdnukU08= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=X6bH7O7AbJRd6Yz8GH4qr35bZEiYAiJEOjCsoSE3JQh0Fe8ZimKo0/h6+4HSK0KISS13VooTeDhKItqL4fR8OIN0wbwentMT/tVGW3h/3lSHHL/hAxVPFzbBaSAysY5BxSnReWvI+UoEDtcJ6kdgw7dmt/86K4oFA1zyneGj4hY= Received: by 10.82.123.16 with SMTP id v16mr4893953buc.1179271494580; Tue, 15 May 2007 16:24:54 -0700 (PDT) Received: by 10.78.120.9 with HTTP; Tue, 15 May 2007 16:24:54 -0700 (PDT) Message-ID: <3bbf2fe10705151624t3f80205o877a1b1fdd27d1c@mail.gmail.com> Date: Wed, 16 May 2007 01:24:54 +0200 From: "Attilio Rao" Sender: asmrookie@gmail.com To: "Stefan Bethke" In-Reply-To: <8909CE68-AFE2-4ED2-AA3B-0242C9FC8274@lassitu.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <97D4D7C1-8FE4-48C1-9604-A567420796D5@lassitu.de> <355DA9CE-F097-46EA-8D37-BA4C27019246@lassitu.de> <20070513222114.GA64807@xor.obsecurity.org> <68AA0B73-75E0-4E20-8AE0-74FB2FB654ED@lassitu.de> <20070513232413.GA65863@xor.obsecurity.org> <20070514080510.GB71110@xor.obsecurity.org> <47AE9AC9-13D4-45A0-B199-CFB348D9B284@lassitu.de> <4649F194.7070106@FreeBSD.org> <8909CE68-AFE2-4ED2-AA3B-0242C9FC8274@lassitu.de> X-Google-Sender-Auth: ab092ad553c99346 Cc: FreeBSD Current , Andre Oppermann , Kris Kennaway Subject: Re: panic: mutex tcp owned at /usr/src/sys/netinet/tcp_input.c:2475 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, 15 May 2007 23:24:56 -0000 2007/5/15, Stefan Bethke : > Am 15.05.2007 um 19:44 schrieb Attilio Rao: > > > I've seen exactly what I expected (a leaked recursion on > > 0xffffff002ae8dbd8 mutex (that I suspect is "TCP"). > > Since none of us can do on-line debugging in your machine, can you > > please download that patch, apply it, recompile your kernel and > > doing these tests again?: > > http://users.gufi.org/~rookie/works/patches/kern_mutex.diff > > > > It will give a good understanding of where the recursion happens > > and where probabilly expected unrecursion fails. > > Uploaded the ktrdump to http://www.lassitu.de/freebsd/20070510/ > ktrdump-20070515a.txt.gz, the matching backtrace is at http:// > www.lassitu.de/freebsd/20070510/kgdb-20070515a.txt. Stefan, definitively thanks a lot for your efforts. I think that now andre@ has a good number of information in order to investigate. Attilio -- Peace can only be achieved by understanding - A. Einstein