From owner-freebsd-stable@FreeBSD.ORG Sun Oct 21 22:03:49 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 B47BD5A5 for ; Sun, 21 Oct 2012 22:03:49 +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 296408FC12 for ; Sun, 21 Oct 2012 22:03:48 +0000 (UTC) Received: by mail-lb0-f182.google.com with SMTP id b5so1652737lbd.13 for ; Sun, 21 Oct 2012 15:03:47 -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=YueX42wNGQa3nDyJ5wdfurYDIxVF2da8Iw7XIhRVLZs=; b=HkQ7gyI31yAqs0rtUDRISYemPc99PpyiEQVmBTrTy3NnRu0m/O0P+7qw7tRIWE72/H sGw3LbDYOXcF3Sgdp/2oSMD70vwtExjpzi1fCFiU1G6sZ/alZezZYEjeNfCnYuTloJJ3 /1DoVSDc8MUNIDnAEwnrVBlOYYoXoohihxFEi31VtFzYNrMlnzWi8TF9PMi+tY6SSyLM Loe0Y5RL/r5T32r7GbsJGLRZLmFkXnmerX/WPKfFG4mHwS+F6Q50dTXbdoDxaz+2171w xR1E6HWrgTmnLUte7PzSJw68r0cMCFJGN0eYtTutMnYgWV/yhQ91dtxilTNZdSIVxJZo dMkQ== Received: by 10.112.88.39 with SMTP id bd7mr2893547lbb.119.1350857027150; Sun, 21 Oct 2012 15:03:47 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (mavhome.mavhome.dp.ua. [213.227.240.37]) by mx.google.com with ESMTPS id p9sm2514389lbc.3.2012.10.21.15.03.45 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 21 Oct 2012 15:03:46 -0700 (PDT) Sender: Alexander Motin Message-ID: <5084713A.1050200@FreeBSD.org> Date: Mon, 22 Oct 2012 01:03:38 +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> In-Reply-To: <20121021202346.GB1609@albert.catwhisker.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 22:03:49 -0000 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). -- Alexander Motin