From owner-freebsd-stable@FreeBSD.ORG Sun Oct 21 22:31:10 2012 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6F19B7C for ; Sun, 21 Oct 2012 22:31:10 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id C52538FC0A for ; Sun, 21 Oct 2012 22:31:09 +0000 (UTC) Received: by mail-lb0-f182.google.com with SMTP id b5so1661197lbd.13 for ; Sun, 21 Oct 2012 15:31:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=G0Upl6jjlZDJ8S1SM6jWhCrhAHxmr7rkIn+rQOnCzyU=; b=SGDmUzRRNMyojJ/jqdh3vvSAblOK6SmvJXkmHk9Palo+Xn3keHjnX9WT219zCGik+g 7s21ZIxAH6+EExD9edLEvRIPno35c3yd4tunJnYdT9AxsHEbXnWyLqD5p5fEnmH8wyay NwJThnvKIY3+aQTl/zVMfh7mInEIJkJPIUEEVxEB+7nA27L/tH2QX5Y4TA/IefrlwqDg Zp7Nm37I+5xQzZPKkgz88X/nhGU87NohDKnP3NLXiqaLWBeN84SEKmt/RxFQ5WjYl9OK 35hAqWR1n+7Y5/OFiNfJOhvs3SDtYxijQ6Al1Sg1YJFySakFqczvt07Fujz+/6TaYDZh /6ow== Received: by 10.152.105.135 with SMTP id gm7mr6600415lab.22.1350858668278; Sun, 21 Oct 2012 15:31:08 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (mavhome.mavhome.dp.ua. [213.227.240.37]) by mx.google.com with ESMTPS id y10sm2525799lbg.4.2012.10.21.15.31.06 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 21 Oct 2012 15:31:07 -0700 (PDT) Sender: Alexander Motin Message-ID: <508477A8.2040609@FreeBSD.org> Date: Mon, 22 Oct 2012 01:31:04 +0300 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:13.0) Gecko/20120628 Thunderbird/13.0.1 MIME-Version: 1.0 To: David Wolfskill Subject: Re: stable/9 @r241776 panic: REDZONE: Buffer underflow detected... References: <20121020141019.GW1817@albert.catwhisker.org> <20121021121356.GJ35915@deviant.kiev.zoral.com.ua> <20121021163322.GB1730@albert.catwhisker.org> <20121021164634.GC1730@albert.catwhisker.org> <20121021174054.GM35915@deviant.kiev.zoral.com.ua> <50843EB6.8030407@FreeBSD.org> <20121021202346.GB1609@albert.catwhisker.org> <5084713A.1050200@FreeBSD.org> In-Reply-To: <5084713A.1050200@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Oct 2012 22:31:10 -0000 On 22.10.2012 01:03, Alexander Motin wrote: > On 21.10.2012 23:23, David Wolfskill wrote: >> On Sun, Oct 21, 2012 at 09:28:06PM +0300, Alexander Motin wrote: >>> ... >>> I am curious, how to interpret phrase "42=94966796 bytes allocated" in >>> log. May be it is just corrupted output, but the number still seems >>> quite big, especially for i386 system, making me think about some >>> integer overflow. David, could you write down that part once more? >>> >>> Having few more lines of "Allocation backtrace:" could also be useful. >>> >>> Could you show your kernel config? I can try to run it on my tests >>> system, hoping to reproduce the problem. >>> ... > > I've used your kernel config and my test system was unable to boot from > NFS, while GENERIC kernel boots fine. I haven't got panic, but boot just > stopped on root mounting. You have so many options specified there so I > can't predict which of them could cause this. Now I am trying to binary > search for the problematic one(s). Sorry. false alarm. I was just closed firewall in your kernel config. Without it my test system boots your kernel without any problem. -- Alexander Motin