From owner-freebsd-stable@freebsd.org Sat Feb 4 00:13:29 2017 Return-Path: Delivered-To: freebsd-stable@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 D09D3CCEFDF for ; Sat, 4 Feb 2017 00:13:29 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: from connect.ultra-secure.de (connect.ultra-secure.de [88.198.71.201]) by mx1.freebsd.org (Postfix) with ESMTP id 445081010 for ; Sat, 4 Feb 2017 00:13:28 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: (Haraka outbound); Sat, 04 Feb 2017 01:12:15 +0100 Authentication-Results: connect.ultra-secure.de; iprev=pass; auth=pass (plain); spf=none smtp.mailfrom=ultra-secure.de Received-SPF: None (connect.ultra-secure.de: domain of ultra-secure.de does not designate 217.71.83.52 as permitted sender) receiver=connect.ultra-secure.de; identity=mailfrom; client-ip=217.71.83.52; helo=[192.168.1.200]; envelope-from= Received: from [192.168.1.200] (217-071-083-052.ip-tech.ch [217.71.83.52]) by connect.ultra-secure.de (Haraka/2.6.2-toaster) with ESMTPSA id 86689747-C0CD-48FF-9BA5-CF5D1E35BE3C.1 envelope-from (authenticated bits=0); Sat, 04 Feb 2017 01:12:13 +0100 From: Rainer Duffner Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Problem with FreeBSD as a XenServer Guest - how to debug? Message-Id: Date: Sat, 4 Feb 2017 01:12:11 +0100 To: freebsd-stable Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) X-Mailer: Apple Mail (2.3124) X-Haraka-GeoIP: EU, CH, 451km X-Haraka-ASN: 24951 X-Haraka-GeoIP-Received: X-Haraka-ASN: 24951 217.71.80.0/20 X-Haraka-ASN-CYMRU: asn=24951 net=217.71.80.0/20 country=CH assignor=ripencc date=2003-08-07 X-Haraka-FCrDNS: 217-071-083-052.ip-tech.ch X-Haraka-p0f: os="Mac OS X " link_type="DSL" distance=14 total_conn=8 shared_ip=N X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on spamassassin X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.1 X-Haraka-Karma: score: 6, good: 2209, bad: 1, connections: 2606, history: 2208, asn_score: 732, asn_connections: 819, asn_good: 732, asn_bad: 0, pass:asn, asn_all_good, relaying X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Feb 2017 00:13:29 -0000 Hi, I=E2=80=99ve opened a PR on this: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D212681 and asked on freebsd-virtualization. But nothing came out of it. Basically, I/O is very slow inside the FreeBSD guest. Linux guests are = OK. FreeBSD 10 or 11 doesn=E2=80=99t make a difference. Haven=E2=80=99t been able to try 12. How can one debug this? Rainer=