From owner-freebsd-net@freebsd.org Wed Jun 26 13:17:48 2019 Return-Path: Delivered-To: freebsd-net@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 38A2C15C82B6; Wed, 26 Jun 2019 13:17:48 +0000 (UTC) (envelope-from christian.marcos@gmail.com) Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 973626DC1A; Wed, 26 Jun 2019 13:17:46 +0000 (UTC) (envelope-from christian.marcos@gmail.com) Received: by mail-io1-xd36.google.com with SMTP id i10so3135851iol.13; Wed, 26 Jun 2019 06:17:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3T1PcP0+UJUsc3L6TfDmVYakwdq/7Dz24T7TXvn4ePE=; b=MLdBWa78lvim60jiqtTK2FPYmdnfYp7CG4+d0I2+lgktKcWz/6U4IM7kiugTDdGrck Y7uVXKVdFJbclRaoGCTxc6L/PToqY9nmiONjw3ynaengGK0Q6rMHpKA5WXO+AIuW5xXp kDznf+StpdtE35BA4t5PmWS3jSAYVvFRXJJzx8WH8D/ewC/YEcLEdRR2xC+w/TOWsbM3 CurIGAUQi8f3iviRHSP96f1inYwp7eJSfSxCJQjODfE4QDkpxHoSxiwqXsOYp66qX00S SXTPUHx91eke4XYe5cTuTDr1z0yuh3PYmTRTCXOnEJ4okcVU6Q/k9eQYGxNsmcQep83P WN0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3T1PcP0+UJUsc3L6TfDmVYakwdq/7Dz24T7TXvn4ePE=; b=LiBJyz6FA1jRwP+hQY3M3CuLGhzKDVG9wUto0J6H6JIvID+Yn3gYjYVFX8H4Jq6bRN E1REeHm/U1l0y3nICMzq9iIqB+4TCi1IKY2K2UiV+17BQhGThEQ8mj+d6JEuQOBmhJtl xpy0s1vi7up6xm62IzFIZl6IpHNB16ySZGfXkCn2SPf3DZxJF29B0BJ72gZzZhO7ERyF eJEoB+xCngnoL6nq1AKoE69N7b9hD56KnQDy7Yf9hrZXA+tRtt/Zp9sISx+/s8eAbdkO Aqi8P+4NpkjO4tuXMhaNkuaaJQturrGKMhwaA8hXI4uro/6WIW007+bETJjbRaedeiCP DjdA== X-Gm-Message-State: APjAAAVgHk+Hze2YLPNaVRcxVxOFY4tp+65OtSnTMqWpZNQK6HAojwbO 3dUuL2YR+H8pZZMaQKcN/SM6G/3Xt4/5+U4ehh9yNe7U X-Google-Smtp-Source: APXvYqyifxMvyiq4OIfuME/VXPsxsG8RXyv2/2UFhCHJnRt5n85HWwfNbLNTNtfXGnAgDMNB4C/BMg48DKSAyZNafAQ= X-Received: by 2002:a6b:5b01:: with SMTP id v1mr4992645ioh.120.1561555065771; Wed, 26 Jun 2019 06:17:45 -0700 (PDT) MIME-Version: 1.0 References: <12994df1-f847-ec92-aae8-43a32e59385f@darco.dk> <20190625082103.qiiz2cikrauaqlas@MacBook-Air-de-Roger.local> <8ec84f75-2100-ff8a-6337-3c955f31da62@grosbein.net> <9c377fe7-5546-9e0b-fac9-076dd094cbac@grosbein.net> In-Reply-To: From: Christian M Date: Wed, 26 Jun 2019 15:17:34 +0200 Message-ID: Subject: Re: Very slow and inconsistent internal network speed (between, VM's on the same host) for FreeBSD 11.0+ as guest on, XCP-ng/XenServer To: Eugene Grosbein Cc: freebsd-xen@freebsd.org, freebsd-net@freebsd.org X-Rspamd-Queue-Id: 973626DC1A X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=MLdBWa78; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of christianmarcos@gmail.com designates 2607:f8b0:4864:20::d36 as permitted sender) smtp.mailfrom=christianmarcos@gmail.com X-Spamd-Result: default: False [-6.84 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_TLS_LAST(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_DN_SOME(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[6.3.d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-2.93)[ip: (-9.12), ipnet: 2607:f8b0::/32(-3.14), asn: 15169(-2.33), country: US(-0.06)]; NEURAL_HAM_SHORT(-0.90)[-0.902,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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: Wed, 26 Jun 2019 13:17:48 -0000 Started ntpd in the two main 12-0-RELEASE vm's I've been testing with. drift files show -0.262 and -1.144 after about two hours. Den ons 26 juni 2019 kl 12:50 skrev Eugene Grosbein : > 26.06.2019 17:44, Christian M wrote: > > > Sorry to say, but no. Nothing changed :( > > > > The iperf issue concerns me a bit also: > > Try starting ntpd inside VM guests, wait an hour then post contents of > /var/db/ntpd.drift > This is to verify quality of time source provided to VMs by hypervisor. > >