From owner-freebsd-net@freebsd.org Mon Nov 23 06:13:50 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 52639A351A3 for ; Mon, 23 Nov 2015 06:13:50 +0000 (UTC) (envelope-from honzhan@microsoft.com) Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2on0125.outbound.protection.outlook.com [65.55.169.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "MSIT Machine Auth CA 2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A59AD1DEA for ; Mon, 23 Nov 2015 06:13:49 +0000 (UTC) (envelope-from honzhan@microsoft.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:To:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=7P1hNSwPhsLsXzgbQ1qgjntOILD2Txsh3MUh+gKfauc=; b=hgd59OwSVET7Jh2WX+y2Tfsze1KuDo7vmZ8dLYORVPsr4KocK9wpUFrmX6gIAJ92EQKUGc5QNhZDN/eUwVW3NITLdg7mIwa8QcZO4dTPN69W035/2btFvcS7USWmJt1dNTwaD4jy/hl1WbfyZ2jaPdnRuo2TOka35lAFs2RchSk= Received: from BY2PR03CA059.namprd03.prod.outlook.com (10.141.249.32) by BL2PR03MB227.namprd03.prod.outlook.com (10.255.231.17) with Microsoft SMTP Server (TLS) id 15.1.331.20; Mon, 23 Nov 2015 05:58:16 +0000 Received: from BL2FFO11OLC016.protection.gbl (2a01:111:f400:7c09::169) by BY2PR03CA059.outlook.office365.com (2a01:111:e400:2c5d::32) with Microsoft SMTP Server (TLS) id 15.1.331.20 via Frontend Transport; Mon, 23 Nov 2015 05:58:16 +0000 Authentication-Results: spf=pass (sender IP is 206.191.228.180) smtp.mailfrom=microsoft.com; freebsd.org; dkim=none (message not signed) header.d=none;freebsd.org; dmarc=pass action=none header.from=microsoft.com; Received-SPF: Pass (protection.outlook.com: domain of microsoft.com designates 206.191.228.180 as permitted sender) receiver=protection.outlook.com; client-ip=206.191.228.180; helo=064-smtp-out.microsoft.com; Received: from 064-smtp-out.microsoft.com (206.191.228.180) by BL2FFO11OLC016.mail.protection.outlook.com (10.173.160.82) with Microsoft SMTP Server (TLS) id 15.1.331.11 via Frontend Transport; Mon, 23 Nov 2015 05:58:14 +0000 Received: from SG2PR3002MB0106.064d.mgd.msft.net (141.251.56.18) by SG2PR3002MB0108.064d.mgd.msft.net (141.251.56.20) with Microsoft SMTP Server (TLS) id 15.1.337.9; Mon, 23 Nov 2015 05:58:05 +0000 Received: from SG2PR3002MB0106.064d.mgd.msft.net ([141.251.56.18]) by SG2PR3002MB0106.064d.mgd.msft.net ([141.251.56.18]) with mapi id 15.01.0337.009; Mon, 23 Nov 2015 05:58:05 +0000 From: Hongjiang Zhang To: "freebsd-net@freebsd.org" Subject: Is it allowed to copy hyper-v drivers from FreeBSD 10 and packed it into FreeBSD 9.2 Thread-Topic: Is it allowed to copy hyper-v drivers from FreeBSD 10 and packed it into FreeBSD 9.2 Thread-Index: AdEls7mtuSdVMBL4RcS0JahNHNGLGA== Date: Mon, 23 Nov 2015 05:58:04 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [141.251.57.5] MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BL2FFO11OLC016; 1:ZtvnE5akFcfVYk3gI3b1zj+KFEzPmdiGTBUWGGH0tgYXi95knBZ74wkgHxxY8WVKxAPme9zyV6xHx+NcGjcun+iVwYQisItAWWNK5wpTjuyyGVfCiLBwTw3L4xfJ8AvdmxK/He7JNoeVXn5GIPUiW39H/6AcBn3QbVwsk1Ytc+V0gUcM62M84O8CDvURxg8vPLqZjsIzYp16RYn+bjYUFDFXx1+0sE1hVvLVIjqB10urzi0jZIjCBkfhv0vDzXV2uvupfdbYgA533MrA4CMCyitco3spkmy5tSgB8aRFupwELCGMveKH8wgj4sEIwmuQmNmYnuVJKCTBYoRyqfrevUFKhZvbuNGwt7S6qSGet90= X-Forefront-Antispam-Report: CIP:206.191.228.180; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(2980300002)(438002)(199003)(189002)(19300405004)(50986999)(69596002)(19580395003)(92566002)(24736003)(5008740100001)(86362001)(81156007)(97736004)(790700001)(86612001)(6806005)(2501003)(586003)(300700001)(6116002)(66066001)(3846002)(102836003)(260700001)(11100500001)(5004730100002)(86146001)(5003600100002)(84326002)(5007970100001)(87936001)(33646002)(10290500002)(10400500002)(106466001)(5005710100001)(10090500001)(450100001)(2900100001)(189998001)(110136002)(5001960100002)(107886002)(229853001)(19625215002)(54356999)(15975445007)(2351001)(108616004)(512954002)(16236675004)(16796002); DIR:OUT; SFP:1102; SCL:1; SRVR:BL2PR03MB227; H:064-smtp-out.microsoft.com; FPR:; SPF:Pass; PTR:ErrorRetry; A:1; MX:1; LANG:en; X-Microsoft-Exchange-Diagnostics: 1; BL2PR03MB227; 2:jJIt8UTR50m/7B7A8+1JkeRZr49hIiEZb1EV1dPDA6aR48AEOl3dvJCVbhf0V92PbNXt9N9rcOG2ygmSb6Y8+ibYoEyfJ5nY1oH9+Jp9MagQhUFFYJdW7n01tmLetCXcoVTjmwSYfJXiUlX/T8L4+g==; 3:8Ep7sOg1t1uK7OK2+cMp7JqO58XkAxMINKevuLOSjbRdHIAZcCZ5yb5mkbsY0HOY4Xy4Mpe4k9ESG2q0iabDZ1+SEzUcD8MC6osgRG8EwGCEWdfPbXYcA8eHUs8ab6XK7ALTmPto8l4zXAdIpo4k0qBcsRgblriyZ4CoValOKdBsfq0LI22JW4XpsgRObnIzqzBCAfrBOvHcX5ljuzkUec0cbF2ZNpkoImUVqfllUXC6WAAUYOnz/AM20RC6ZCvH3f+khWURuRaejySwPsUUMA==; 25:NI4MG0HBTuae37f06MnRH9HdWxaNbfIp4VCk6wrydxfncqhiqeAOQKlAJLZyL4uzWeJqIG9vtOrfswiS0sRS9LuVUtCHa2L0nsTFuqqlQ5uUh5pA97cxULpr9jr0gBaqW+SbyTyKR5X1NExB0M19SaT2Sb3wjgCCKMZmHjsSjfYIvXSSEHsalcFHGO+8vHzctGjIuRHob9ekvDQCJwnXWA9O/sCTqiit9AHCwjFKly2fx6dZGQNzDaIZIGDE82rSkOdwDaxVkv9SvaKxaE72Zg== X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(8251501001); SRVR:BL2PR03MB227; X-O365EOP-Header: O365_EOP: AllowList from IP - set SCL to -1 X-Microsoft-Exchange-Diagnostics: 1; BL2PR03MB227; 20: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 X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:(108003899814671); X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(61425024)(601004)(2401047)(5005006)(520078)(8121501046)(10201501046)(3002001)(61426024)(61427024); SRVR:BL2PR03MB227; BCL:0; PCL:0; RULEID:; SRVR:BL2PR03MB227; X-Microsoft-Exchange-Diagnostics: 1; BL2PR03MB227; 4: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 X-Forefront-PRVS: 07697999E6 X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BL2PR03MB227; 23:3vEpR5sJdMCFMduq7cTNYdKOTJmxQG8y2vw4Pq36/l?= =?us-ascii?Q?p+c81F3D3XrJQyf5W66n6e0HUrT7tBBmODFY8duAHebTc5v44FQShTpyRIJX?= =?us-ascii?Q?ggxswXgOZ97921y+zyjIbkP46/yRLticoi7nj9N/cIKuICp6Sbm1x6EzODtl?= =?us-ascii?Q?n/iEkc6SsqLKBMAvo4aSDAYCaBPyp0kDL2vCuz23tjg8L3SA5EwjJA+Zlwjf?= =?us-ascii?Q?JJVy6odwJZMEeJJ/1dR8BNwyUhjhJ2GMYXWlExRMUXKh/zcEN+9Bk2jv+CtH?= =?us-ascii?Q?QhbNbzS0kbdIYJ0lXPk8z8aPK350izoV6MyoniLLQkb9SGE/CGX9Wp5oMh+q?= =?us-ascii?Q?9l/dLgncWKJbbvgdhnTzUV5io26Vter9rlXeeB5gaA3fWFc6/k1q8amXU9mY?= =?us-ascii?Q?OPy0/Hi1X4/v9fsK3VDEyBJNDUig0CSMgXNOnej5RpA1TsmiJL2EhyAGjtIR?= =?us-ascii?Q?BVqjSoqWISMhxQZpzo1aSZLJg+NUE3nb68ocKnjzwdFQP4i6xYIMZ3lGe6GB?= =?us-ascii?Q?k2yMhk9my5c3p0pld7rTb+YJ4Y2wUozVfuEbtclFexCIOSFvgYFhL8TDBzVq?= =?us-ascii?Q?oWwFMbDKUL521B6a+Un6SmpQ7Q6Rl/k5+vDVPBenF9LX09jAmlmBwkDRKgD+?= =?us-ascii?Q?k+VgpuG+OCx7RJwTTMAAclTMVSDX15OHPRwyj6SqbXmOJiyxDifcdwhY0YLq?= =?us-ascii?Q?ssvg3drh9xxAtI5n8A5QpxII3jrcATv32cF5klWyaAUNT72TvMAvn40EwY+U?= =?us-ascii?Q?kBvZLaUcRfjmM6edLQyl3v0lROZmpQ4pnil1rDNCyZUEq57qvEfQ8awCsRem?= =?us-ascii?Q?cLK1ncfIfS3q00a5yODJ5JVWHqnzg573PLTxYu/8FTHQjpQzryA+3nTs/PeK?= =?us-ascii?Q?ErnPvX7uf/qYGBZ8EKs4u2+DO3XIEj4l6pV/x4Ikd66t4Z7XhzB8anTjfVrj?= =?us-ascii?Q?Bw4JXNAOv6qGlKuqMi3UCOu1CC6RzpU5IDYssciSuYL3ZfygF3KxUaMp4bJd?= =?us-ascii?Q?c+vdcQoRGbt565KQpymjxTaZG45GUWXfL8S0XSKEiU+FDfgDuIFNm1ycd4t5?= =?us-ascii?Q?I6R8CiWdSrTs1gi9DdhT7bwZxyfIwRSxKECdZVJW/znGbNwazE1YYjLt79ve?= =?us-ascii?Q?u8k5G+BQl1VEY6e0rrKWDW0IGLU8boVW1pV7w6W2OI9cJtfN+xWCkwuVrwT2?= =?us-ascii?Q?N5rYJgvc9kKf4O0SCffZtIvMWC4woiS+O6KOhPK9fh7R2lVtvjHELrI39uxL?= =?us-ascii?Q?dA6/5cIwgTXrXIcpO8qtcaNfOsbkLMtsi+2lsaannLCoEEMlWMuwN6yhVLH/?= =?us-ascii?Q?OgssyCzzkuvmop6OLX7h4ui/81x8drsk1s5gS6dAY3TUqw18rP7dv9sJ0wg7?= =?us-ascii?Q?g4IU2qqxvnrt+yKiYhFXaEzlPBv6af4spqgO+qBM2oSUNm4U/Im6v7Y3tQnX?= =?us-ascii?Q?ktKtdIQQ=3D=3D?= X-Microsoft-Exchange-Diagnostics: 1; BL2PR03MB227; 5:9B9kY3RPExiGM1NAFYcg3m7q8Jyd9n7mN3IuGMuB4tl9l5BfoedDp2vSJ5uINWl0yFa1xUdlPvIQqWwjs233eX5bdWD6XPQ00CRgcOzOWv03b51vY8Ut/Sw1tYRqDpgb9upfui92kJa/vnElBS58wg==; 24:zcp731eVsJ16jsa6+vKF3XTf47UtN2Z62emD1JRzgt9ceOYQB5m9x20ZBQnGdUgSJleTQFW3Nn+hJOhMMRqkOq1J/WTyK4ejWejHzIWTYZc= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Nov 2015 05:58:14.0623 (UTC) X-MS-Exchange-CrossTenant-Id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=72f988bf-86f1-41af-91ab-2d7cd011db47; Ip=[206.191.228.180]; Helo=[064-smtp-out.microsoft.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL2PR03MB227 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Nov 2015 06:13:50 -0000 Hi, Some people, who used FreeBSD 9.2 and back-port network driver for Hyper-v = from FreeBSD 10, encountered a network issue. They installed 2 VM (FreeBSD = 9.2 with the customized FreeBSD kernel) on Azure. Network went offline very= soon when the big file (~320M byte) is copied from one VM to anther throug= h "scp". If TSO is disabled through "sysctl -w net.inet.tcp.tso=3D0", this = issue will be alleviated but cannot be eliminated. I did not figure out why= . I have checked the release notes of FreeBSD 9.2/9.3/10, but did not find an= ything which blocked the back-port. It is supposed 9.2 allows the back-port= ed Hyper-v drivers from 10. Is this assumption correct?