From owner-freebsd-infiniband@freebsd.org Mon Feb 24 09:05:35 2020 Return-Path: Delivered-To: freebsd-infiniband@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 2F7B32567E7 for ; Mon, 24 Feb 2020 09:05:35 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 48Qx3y2n7Tz3D6M for ; Mon, 24 Feb 2020 09:05:33 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [62.141.129.235]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 851232604CB; Mon, 24 Feb 2020 10:05:26 +0100 (CET) Subject: Re: [PATCH]: ipoib with mlx4 initialisation ordering To: Andreas Kempe , freebsd-infiniband@freebsd.org References: <20200222004838.GA22659@moira.hest-guild.se> From: Hans Petter Selasky Message-ID: <9d76992b-6ba4-2419-61ff-5035aa45e597@selasky.org> Date: Mon, 24 Feb 2020 10:05:09 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200222004838.GA22659@moira.hest-guild.se> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 48Qx3y2n7Tz3D6M X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-4.96 / 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)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; IP_SCORE(-2.66)[ip: (-9.21), ipnet: 2a01:4f8::/29(-2.54), asn: 24940(-1.56), country: DE(-0.02)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Feb 2020 09:05:35 -0000 On 2020-02-22 01:48, Andreas Kempe wrote: > This issue can be remedied by changing the initialisation of the IPoIB > module to happen after the mlx4 driver is initialised. By doing this, > all multicast groups will be cleaned up before the ib_multicast client > is destroyed. Hi Andreas, Are you sure it is not the module exit that should be ordered instead? module_exit(ipoib_cleanup_module); Because from the description this issue happen on shutdown and not load. I'm currently trying to reproduce the issue. Dropping freebsd-net @ --HPS