From owner-freebsd-net@FreeBSD.ORG Sat Oct 22 15:24:54 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E7BAB106566C for ; Sat, 22 Oct 2011 15:24:54 +0000 (UTC) (envelope-from yanegomi@gmail.com) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id A74208FC13 for ; Sat, 22 Oct 2011 15:24:54 +0000 (UTC) Received: by yxt33 with SMTP id 33so1081851yxt.13 for ; Sat, 22 Oct 2011 08:24:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version:content-type; bh=q7wCy1iSuiEMg5Na0oBqNc0apcWtTqa0lJU2SK0T+YM=; b=HAS5d81ecWljLTubCy2mS7xxEv1FmLd91XvoQjZjEzWWNesublhmQyZXXDbpBU+07E 17BmYcH+DoqmN4JbwVEar5G09uKQSghiRrP4zl0rhV7Ys1zk22gUBE9W6XMRdwQKUNU+ 50BEvMsN2WVtRb/tVrdtLwrTqsM1TdPCY/84g= Received: by 10.68.74.132 with SMTP id t4mr6934130pbv.130.1319295542777; Sat, 22 Oct 2011 07:59:02 -0700 (PDT) Received: from c-24-6-49-154.hsd1.ca.comcast.net (c-24-6-49-154.hsd1.ca.comcast.net. [24.6.49.154]) by mx.google.com with ESMTPS id v8sm43227795pbf.8.2011.10.22.07.59.00 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 22 Oct 2011 07:59:01 -0700 (PDT) Date: Sat, 22 Oct 2011 07:58:59 -0700 (PDT) From: Garrett Cooper To: Pawel Jakub Dawidek In-Reply-To: <20111022084931.GD1697@garage.freebsd.pl> Message-ID: References: <20111022084931.GD1697@garage.freebsd.pl> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org Subject: Re: 9.0-RC1 panic in tcp_input: negative winow. X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Oct 2011 15:24:55 -0000 On Sat, 22 Oct 2011, Pawel Jakub Dawidek wrote: > The panic message says: > > panic: tcp_input negative window: tp 0xfffffe007763e000 rcv_nxt 3718269252 rcv_adv 3718268291 > > I only have picture of the backtrace: > > http://people.freebsd.org/~pjd/misc/panic_negative_window.jpg I've seen that issue once before in the r222XYZ days -- it's a problem that's been around since the TCP / IP code has been refactored in FreeBSD. Thanks, -Garrett