From owner-freebsd-infiniband@freebsd.org Wed Mar 24 18:48:01 2021 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 C47FE5BCF85 for ; Wed, 24 Mar 2021 18:48:01 +0000 (UTC) (envelope-from matsuo.hiroshi.39@gmail.com) Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4F5HL90R5Dz4qwF for ; Wed, 24 Mar 2021 18:48:00 +0000 (UTC) (envelope-from matsuo.hiroshi.39@gmail.com) Received: by mail-ej1-x636.google.com with SMTP id kt15so25138987ejb.12 for ; Wed, 24 Mar 2021 11:48:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=DpyppNYAm4DEAx2Q4nu6c3bH2hvKQPvS+D/86/SmPtw=; b=CuEZWjLrjOzd3ye6JoKT37I3Zmik8lz+qvAIkSv6Wy2gjf6JIfq0pL7zukY8UTRP2T EM0XvKdl0oMro88ZgCZcd4Ea5ydmvdAJemlhIXsMViBEHTwz1PKQMTzz3wq67h/laML8 l6JavFW6qB/+ErNOMtJdgDQ4kenowDWnVEercDEdV1NxZRcKty5ddsm2x88Fubh/O2xA fGx993tMrDA1qITzw+Cd5UQIhR6fDtC7C5nGcfl3HF2Y0rccIQZGywPzBjjNHdu0+xWs 2h2K9Jmzbc1x35Vziq+Vt8dXVHNBSSvWlWTTe7Wv6mCJBwMtHZ3S+pXEy82DYHB1zIJc exJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=DpyppNYAm4DEAx2Q4nu6c3bH2hvKQPvS+D/86/SmPtw=; b=GaXysN1PDWoYbW3f9+mOgnvsQMUJogmAn4uq/jspoeiWjAwldGEd0MSqe42evovR5h 1UN0ew7Wi3SUCSbHiTAXkouyLtGAmjKbJ4xzVFJoVCkJYyXU4L7XvVJvofXPdC/DzguE HycF1p2S9wmiqHnDDcrVPBtA79ie+by1BO3dj2YWuNfbpifEs6Tb6pzOL7gJ0VakGovp f4QnXj04as7m54rf0aRltFkHgoHlIhvUcBpzGUlAxU3E2et9dk8LRGLyXD7FNeshcpAL 9BQ2Bg69t9916keXrV/h1OJUeXXDNvg6LPx+EsPUU4+ypd2McvPzjl40Jkk2oXICg3za 568Q== X-Gm-Message-State: AOAM530F7RezRIKOvxrai1iHe8nQVk8MUeFj7Q4c/qu775gpj0/4TP6U ySbHUfvjuehgTbzoU6haEFZ5GEOIsH9mVOUdlFwSR2OuZcC1bg== X-Google-Smtp-Source: ABdhPJy4d5Ir+c1dL+KXDlm3LZxL0m6/6BZD26DyVqRQYksO2GOt8xwiSIqRPxRCgZCS9IaOAVc6Ax9qAPAIa5Ja8IA= X-Received: by 2002:a17:906:4705:: with SMTP id y5mr5397580ejq.119.1616611679159; Wed, 24 Mar 2021 11:47:59 -0700 (PDT) MIME-Version: 1.0 From: hiroshi matsuo Date: Thu, 25 Mar 2021 03:47:23 +0900 Message-ID: Subject: Re: Data corruption via IPoIB in connected mode between Linux and FreeBSD To: freebsd-infiniband@freebsd.org X-Rspamd-Queue-Id: 4F5HL90R5Dz4qwF X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=CuEZWjLr; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of matsuohiroshi39@gmail.com designates 2a00:1450:4864:20::636 as permitted sender) smtp.mailfrom=matsuohiroshi39@gmail.com X-Spamd-Result: default: False [-0.36 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.36)[-0.358]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::636:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; FAKE_REPLY(1.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-infiniband@freebsd.org]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::636:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::636:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-infiniband] X-Mailman-Approved-At: Wed, 24 Mar 2021 21:32:09 +0000 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Mar 2021 18:48:01 -0000 Hi Hans, Thank you, very good information for me. I will try it this weekend. > Did you apply my patch to FreeBSD 12.2 for connected mode? Maybe not. Is it included in FreeBSD-12.2-p4? > Are you using an infiniband router between? No. I connect two servers directly with one cable. Under this condition, I think bigger mtu is simply better as far as the peer (CentOS) permits. Is this wrong?