From nobody Mon Sep 13 10:37:02 2021 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A5F7517A1AD0 for ; Mon, 13 Sep 2021 10:37:12 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward104o.mail.yandex.net (forward104o.mail.yandex.net [37.140.190.179]) (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 4H7NG01k7jz3lRx for ; Mon, 13 Sep 2021 10:37:12 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from myt6-43c1316fdabf.qloud-c.yandex.net (myt6-43c1316fdabf.qloud-c.yandex.net [IPv6:2a02:6b8:c12:370d:0:640:43c1:316f]) by forward104o.mail.yandex.net (Yandex) with ESMTP id E40EA65D4FE2; Mon, 13 Sep 2021 13:37:03 +0300 (MSK) Received: from myt5-aad1beefab42.qloud-c.yandex.net (myt5-aad1beefab42.qloud-c.yandex.net [2a02:6b8:c12:128:0:640:aad1:beef]) by myt6-43c1316fdabf.qloud-c.yandex.net (mxback/Yandex) with ESMTP id R0e7rMZ7X5-b3DCBtB4; Mon, 13 Sep 2021 13:37:03 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1631529423; bh=FHPJ8tBXtELkCWPfBwETY392RNKYrB54Zi0yL1FnbUs=; h=In-Reply-To:References:Date:Message-ID:From:To:Subject; b=csWY3ne4stjoVRYpGyte521KRJxlHHqXuR0I+ZDz2FDcx9qktrRH7rwFdEIrgfI4B Bnge76TNTwphWU+Q5dVpBG/tsIM58LZGXt8BmCcSX75oshhrZeAnMOtHdd0xriJOY2 oTzQAf6Shn0Sgii+NH1NgqewhtMyKVuqBp+6L+KY= Received: by myt5-aad1beefab42.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id VLkiEReX37-b3MuARf1; Mon, 13 Sep 2021 13:37:03 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: TCP6 regression for MTU path on stable/13 To: Harry Schmalzbauer , "net@FreeBSD.org" References: <8e4f78e5-0717-8002-5364-44df5c8d7dad@omnilan.de> From: "Andrey V. Elsukov" Message-ID: <36d9d998-c484-a4f6-6c62-c6ec103aeb33@yandex.ru> Date: Mon, 13 Sep 2021 13:37:02 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 In-Reply-To: <8e4f78e5-0717-8002-5364-44df5c8d7dad@omnilan.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3foee79Gf5Z72fkpgm8aPXIKrlg24Fs44" X-Rspamd-Queue-Id: 4H7NG01k7jz3lRx X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --3foee79Gf5Z72fkpgm8aPXIKrlg24Fs44 Content-Type: multipart/mixed; boundary="iTvisBqdY0Ezko3xy4lzYZVx8YJWgpV6k"; protected-headers="v1" From: "Andrey V. Elsukov" To: Harry Schmalzbauer , "net@FreeBSD.org" Message-ID: <36d9d998-c484-a4f6-6c62-c6ec103aeb33@yandex.ru> Subject: Re: TCP6 regression for MTU path on stable/13 References: <8e4f78e5-0717-8002-5364-44df5c8d7dad@omnilan.de> In-Reply-To: <8e4f78e5-0717-8002-5364-44df5c8d7dad@omnilan.de> --iTvisBqdY0Ezko3xy4lzYZVx8YJWgpV6k Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable 12.09.2021 14:12, Harry Schmalzbauer =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > Will try to further track it down, but in case anybody has an idea, wha= t > change during the last view months in stable/13 could have caused this > real-world problem regarding resulting TCP6 throughput, I'm happy to > start testing at that point. Hi, Take a look at: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255749 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248005 does the problem described in these PRs is the same as yours? --=20 WBR, Andrey V. Elsukov --iTvisBqdY0Ezko3xy4lzYZVx8YJWgpV6k-- --3foee79Gf5Z72fkpgm8aPXIKrlg24Fs44 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAmE/Kc4FAwAAAAAACgkQAcXqBBDIoXpT Uwf/TTPLM69D01T4zkTCITXOIurZH04pkpGzzJkMkM+HDDaQDbH1RFtdIdaJwLXerhjElEAjADhZ 2ieR6lZsHHl4nEDF409BbYu+X9+mGEKPHNnHmnVV2qjLh7+YzmtP9Pkg+nWLyNIyFJYWoEEHOTdG E8p1Ql7IH0eCPTcyZk1ceNsjG46HQtkWsi3n3iq0JEKJNuNNhJ1q90lUDOwg2xzELc8Eer451JEf SpHTkJ1TRKNd7OWtuy4/B0bsZrkIca7rHjlNT6GFGstV03WKM/Gi0va6u3ovoI03PSCBSxIj00HU HC/pJj1iz3XuhmIMkzNRs0F7XvmU+5K9hqu5AzEJ7Q== =187u -----END PGP SIGNATURE----- --3foee79Gf5Z72fkpgm8aPXIKrlg24Fs44--