From owner-freebsd-stable@FreeBSD.ORG Sun Jun 20 00:26:23 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 494A9106566B for ; Sun, 20 Jun 2010 00:26:23 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 110348FC15 for ; Sun, 20 Jun 2010 00:26:22 +0000 (UTC) Received: by iwn7 with SMTP id 7so2911078iwn.13 for ; Sat, 19 Jun 2010 17:26:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=86KPV9XWhd4Jepo4vFQjTwr5eZKBhV433vXhvm7SMJ0=; b=jfFYyXimpW9EM0bVWW/C05gUpe+HbSj6yRe6d0uJ6j3VNqnRJVoeba3G+u4IIP6OB+ mgG1Kc7cojZcCEbwUdvXtdX75myP8HRIGhudo/5VsnNI5USKq66VDMfgV0FelHZObgkI 0i5EddRwnvFUOYgnqluCqfz49bqrVP1T0mn88= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=eju+iONkHN+uuiLoi94Ofb7sUGaxm9DPuajQTvg61PwRHCwvJmWqhzoGDhYSfXRQ7b Qe75P/cYxckzCs4lY5Cz1AV5RgSbMjvQIitqsPIz1FXUF9sk7q17WWESyh+hg4QZltaH 1OzZQ+vX9kcfKsmiqalpOgW/92JxKakJkb1xg= MIME-Version: 1.0 Received: by 10.231.142.158 with SMTP id q30mr3423533ibu.145.1276993582373; Sat, 19 Jun 2010 17:26:22 -0700 (PDT) Received: by 10.231.182.212 with HTTP; Sat, 19 Jun 2010 17:26:22 -0700 (PDT) In-Reply-To: <4C1D4496.10403@altadena.net> References: <4C1D4496.10403@altadena.net> Date: Sat, 19 Jun 2010 19:26:22 -0500 Message-ID: From: Brandon Gooch To: Pete Carah Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: stable@freebsd.org Subject: Re: if_em problems, both 7 and 8-stable X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 20 Jun 2010 00:26:23 -0000 On Sat, Jun 19, 2010 at 5:28 PM, Pete Carah wrote: > I cannot successfully create a vlan on if_em on either releng 7 or releng= 8; > I have seen a patch for part of > the problem (checksum offsets end up incorrect) but not all. =A0Even turn= ing > off ALL hw_xxx flags leaves one > unacceptable bug - the interface gets hard-reset any time you add or dele= te > a vlan. =A0I *know* that cisco > uses these interfaces without these problems, so it has to be possible. = =A0I > have used vlans in linux without > appearing to get the same problems, though I'm not sure the rest of the > configuration matches. > > What gives, especially since the patch for one of the problems (wrong > checksum offsets) was generated > about 6 months ago... > > We are trying to use an intel platform as a router; this is a show-stoppe= r. > =A0I could try linux though I prefer not to... Would it be possible for you to provide more details about the hardware and software setup? The Intel chip and the revision (or relevant CVS info) about the builds of 7-RELENG and 8-RELENG would be useful, perhaps the dmesg of the machine and output of `pciconf -lv`? For what it's worth, I'm using vlans on an "Intel 82566DM Gigabit Ethernet Adapter (82566DM)", on-board in my Dell Optiplex 755, all hardware options on... $ ifconfig em0 em0: flags=3D8843 metric 0 mtu 1500 options=3D219b ether 00:1e:4f:d5:84:b7 inet 10.7.0.7 netmask 0xff000000 broadcast 10.255.255.255 media: Ethernet autoselect (1000baseT ) status: active -Brandon