From owner-freebsd-net@FreeBSD.ORG Thu Jul 8 08:29:47 2010 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 281E6106566C; Thu, 8 Jul 2010 08:29:47 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id 9033B8FC15; Thu, 8 Jul 2010 08:29:46 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id o688Thfr013268 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 8 Jul 2010 11:29:43 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4) with ESMTP id o688ThIj040313; Thu, 8 Jul 2010 11:29:43 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id o688TheL040312; Thu, 8 Jul 2010 11:29:43 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 8 Jul 2010 11:29:43 +0300 From: Kostik Belousov To: Andriy Gapon Message-ID: <20100708082943.GB2439@deviant.kiev.zoral.com.ua> References: <7C3D15DD6E8F464998CA1470D8A322F302BB9F72@ES02CO.wgti.net> <20100707205041.GO13238@deviant.kiev.zoral.com.ua> <4C358843.5000001@freebsd.org> <4C358A01.8080206@icyb.net.ua> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+pHx0qQiF2pBVqBT" Content-Disposition: inline In-Reply-To: <4C358A01.8080206@icyb.net.ua> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-2.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_50, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: lstewart@freebsd.org, freebsd-net@freebsd.org, bz@freebsd.org, Andre Oppermann , Ming Fu Subject: Re: kern/123095 kern/131602 sendfile 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: Thu, 08 Jul 2010 08:29:47 -0000 --+pHx0qQiF2pBVqBT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 08, 2010 at 11:19:13AM +0300, Andriy Gapon wrote: > on 08/07/2010 11:11 Andre Oppermann said the following: > >=20 > > Can you check whether your patch fixes the bug when you go over a real > > network? >=20 > As I understand the patch is not supposed to fix the bug, it's supposed t= o catch > it early. I.e. get panic instead of data corruption. Right, the patch maps the page in sf buffer read-only (on i386 only). But note the parallel posting with m_cat() change. It is still not enough, and I am not set up for the real network testing ATM. --+pHx0qQiF2pBVqBT Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkw1jHYACgkQC3+MBN1Mb4gZrgCgy3Rvs07iZpz5W8tDbiFplveg MQgAoJ2EKq4E2OkIsg2ON/u6qcFQ+8Xk =oZdG -----END PGP SIGNATURE----- --+pHx0qQiF2pBVqBT--