From owner-freebsd-net@FreeBSD.ORG Sun Feb 1 16:05:59 2009 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 BD11B106564A for ; Sun, 1 Feb 2009 16:05:59 +0000 (UTC) (envelope-from freebsd-listen@fabiankeil.de) Received: from smtprelay08.ispgateway.de (smtprelay08.ispgateway.de [80.67.29.8]) by mx1.freebsd.org (Postfix) with ESMTP id 7A6DE8FC1E for ; Sun, 1 Feb 2009 16:05:59 +0000 (UTC) (envelope-from freebsd-listen@fabiankeil.de) Received: from [88.153.0.16] (helo=localhost) by smtprelay08.ispgateway.de with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.68) (envelope-from ) id 1LTepa-0005kE-4q; Sun, 01 Feb 2009 17:05:58 +0100 Date: Sun, 1 Feb 2009 17:05:50 +0100 From: Fabian Keil To: Jeff Roberson Message-ID: <20090201170550.482bf325@fabiankeil.de> In-Reply-To: <20090201160544.4f1961b4@fabiankeil.de> References: <20090131125100.N983@desktop> <20090201160544.4f1961b4@fabiankeil.de> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; i386-portbld-freebsd8.0) X-PGP-KEY-URL: http://www.fabiankeil.de/gpg-keys/freebsd-listen-2008-08-18.asc Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/Gx72li3ReUEmSfYl00og=HH"; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Df-Sender: 775067 Cc: freebsd-net@freebsd.org Subject: Re: mbuf revision, testers/comments wanted. 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: Sun, 01 Feb 2009 16:06:00 -0000 --Sig_/Gx72li3ReUEmSfYl00og=HH Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Fabian Keil wrote: > Jeff Roberson wrote: >=20 > > http://people.freebsd.org/~jeff/mbuf_ref2.diff >=20 > > I have been experimenting with different revisions to the mbuf api to=20 > > improve performance and simplify code. This patch is the first of > > several proposed steps towards those goals. The aim of this patch is > > two fold; >=20 > > I would appreciate testing feedback from varied workloads to make sure= =20 > > there are no bugs before I go forward with this. I have tested only > > host oriented networking with a few drivers. It is not anticipated > > that there will be any significant incompatibilities introduced with > > this round but there is always that possibility. > 5) > Finally, I tested the patch on an IBM ThinPad R51. The kernel > hangs on boot, the last messages are (hand transcribed): > > iwi0: mem 0xc0214000-0xc0214fff irq 11 at = device 2.0 on pci2 > iwi0: Reserved 0x1000 bytes for rid 0x10 type 3 at 0xc0214000 > iwi0: could not allocate rx mbuf > iwi0: could not allocate Rx ring > bpfdetach: was not attached Never mind, kernel and user land weren't completely in sync and this might be related to the recent wlan commits. I'll retry with an up-to-date user land. Fabian --Sig_/Gx72li3ReUEmSfYl00og=HH Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkmFyF4ACgkQBYqIVf93VJ0MBgCgkURQMJmBH/JZiDPpd+kF/lcg vtcAnj/VUkFStVbQsyrpwraGd3pLe2wx =j5Rw -----END PGP SIGNATURE----- --Sig_/Gx72li3ReUEmSfYl00og=HH--