From owner-freebsd-hackers@freebsd.org Mon Apr 23 08:08:28 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 70C5EFA5C15 for ; Mon, 23 Apr 2018 08:08:28 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from cu01176b.smtpx.saremail.com (cu01176b.smtpx.saremail.com [195.16.151.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0B88F7D78F; Mon, 23 Apr 2018 08:08:27 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from [172.16.8.141] (unknown [192.148.167.11]) by proxypop01.sare.net (Postfix) with ESMTPA id 2C10F9DD824; Mon, 23 Apr 2018 09:59:50 +0200 (CEST) From: Borja Marcos Message-Id: <214C069B-940F-41B4-A417-5AF5CC3F7E09@sarenet.es> Content-Type: multipart/signed; boundary="Apple-Mail=_6003881C-7EC7-45DE-A6CE-D16A1D2BE682"; protocol="application/pgp-signature"; micalg=pgp-sha1 Mime-Version: 1.0 (Mac OS X Mail 11.3 \(3445.6.18\)) Subject: Re: Realtek re(4) driver Date: Mon, 23 Apr 2018 09:59:48 +0200 In-Reply-To: <054b8c2c-7cd4-fdc2-d02c-d9d8e0ca3c20@freebsd.org> Cc: freebsd-hackers@freebsd.org To: Allan Jude References: <054b8c2c-7cd4-fdc2-d02c-d9d8e0ca3c20@freebsd.org> X-Mailer: Apple Mail (2.3445.6.18) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Apr 2018 08:08:28 -0000 --Apple-Mail=_6003881C-7EC7-45DE-A6CE-D16A1D2BE682 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 11 Apr 2018, at 19:34, Allan Jude wrote: >=20 > I think it would be useful to collect the 'pciconf -lv' output of the > re(4) devices that have issues, so they can be differentiated from the > ones that work fine. There we go. The machine is an Intel NUC6CAYB. Yep, sounds stupid. Intel = using Realtek Ethernet chips. Sigh. re0: port = 0xe000-0xe 0ff mem 0x91104000-0x91104fff,0x91100000-0x91103fff at device 0.0 on = pci3 re0: Using 1 MSI-X message re0: turning off MSI enable bit. re0: Chip rev. 0x54000000 re0: MAC rev. 0x00100000 miibus0: on re0 rgephy0: PHY 1 on miibus0 rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, = 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, 1000baseT-FDX-master, = 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow re0: Using defaults for TSO: 65518/35/2048 re0: Ethernet address: 94:c6:91:: re0@pci0:3:0:0: class=3D0x020000 card=3D0x20678086 chip=3D0x816810ec = rev=3D0x15 hdr=3D0x00 vendor =3D 'Realtek Semiconductor Co., Ltd.' device =3D 'RTL8111/8168/8411 PCI Express Gigabit Ethernet = Controller' class =3D network subclass =3D ethernet What I=E2=80=99ve observed is crazy packet loss and round trip times = especially when running an iSCSI initiator with a lot of filesystem activity. Borja. --Apple-Mail=_6003881C-7EC7-45DE-A6CE-D16A1D2BE682 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iF0EARECAB0WIQRdSxpX7rVbKGmYLxtQulWjhdaAnwUCWt2SdAAKCRBQulWjhdaA n8yoAJwMHi3vMLMcCh6xubVbivY++nXR1ACgs4Uory0JXZYYKzMqUqH2GLa8QTg= =FRAV -----END PGP SIGNATURE----- --Apple-Mail=_6003881C-7EC7-45DE-A6CE-D16A1D2BE682--