From owner-freebsd-net@freebsd.org Tue Dec 17 08:29:02 2019 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A942E1E0158 for ; Tue, 17 Dec 2019 08:29:02 +0000 (UTC) (envelope-from contact@evilham.com) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 47cWWf3HPfz40Tt for ; Tue, 17 Dec 2019 08:29:02 +0000 (UTC) (envelope-from contact@evilham.com) Received: by mailman.nyi.freebsd.org (Postfix) id 6EF1C1E0157; Tue, 17 Dec 2019 08:29:02 +0000 (UTC) Delivered-To: net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6D9CA1E0156 for ; Tue, 17 Dec 2019 08:29:02 +0000 (UTC) (envelope-from contact@evilham.com) Received: from yggdrasil.evilham.com (yggdrasil.evilham.com [46.19.33.155]) (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 47cWWd3f21z40Tn for ; Tue, 17 Dec 2019 08:29:01 +0000 (UTC) (envelope-from contact@evilham.com) Received: from yggdrasil.evilham.com (unknown [IPv6:2a0a:e5c1:121:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by yggdrasil.evilham.com (Postfix) with ESMTPSA id 47cWWT3XfVz3wbk; Tue, 17 Dec 2019 09:28:53 +0100 (CET) From: Evilham To: Marius Halden Cc: net@freebsd.org Subject: Re: igb interface not detecting link down References: <20191217073346.GA54345@lden.im> In-reply-to: <20191217073346.GA54345@lden.im> Date: Tue, 17 Dec 2019 09:28:50 +0100 Message-ID: <063536fe-2a2f-4db4-8789-4aeee2030879@yggdrasil.evilham.com> MIME-Version: 1.0 Content-Type: text/plain; format=flowed X-Rspamd-Queue-Id: 47cWWd3f21z40Tn X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=evilham.com; spf=pass (mx1.freebsd.org: domain of contact@evilham.com designates 46.19.33.155 as permitted sender) smtp.mailfrom=contact@evilham.com X-Spamd-Result: default: False [-6.48 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(-3.68)[ip: (-9.85), ipnet: 46.19.32.0/21(-4.93), asn: 196752(-3.65), country: NL(0.03)]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[evilham.com,none]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:196752, ipnet:46.19.32.0/21, country:NL]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Dec 2019 08:29:02 -0000 On dt., des. 17 2019, Marius Halden wrote: > Hi, > > We have som machines with Intel i350 NICs which after upgrading > from > 11.2-RELEASE to 12.1-RELEASE has started to act up. They will > detect > link and come up initially when brought up, but they will not > detect > link down events when the connection is lost, e.g. if we remove > the > network cable. > > This is a big problem for us as they are used in a failover lagg > which > is currently not working due to this. > > `ifconfig down ; ifconfig up` does not have any > effect. I > cannot see anything in dmesg or any other logs. > > Removing the interfaces from lagg interface does not make any > changes to > this behaviour, nor did disabling `vlanhwtag` which I found a > bug report > for issues with when using these NICs. > > Is this a known regression from 11.X? Any advise for how to > debug this > further? I'd recommend following this bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236724 And adding any information that can be useful. -- Evilham