From owner-freebsd-virtualization@freebsd.org Thu Dec 24 05:49:07 2015 Return-Path: Delivered-To: freebsd-virtualization@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 14D3CA4F143 for ; Thu, 24 Dec 2015 05:49:07 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-wm0-x233.google.com (mail-wm0-x233.google.com [IPv6:2a00:1450:400c:c09::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AAB2919E3 for ; Thu, 24 Dec 2015 05:49:06 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: by mail-wm0-x233.google.com with SMTP id p187so169271732wmp.1 for ; Wed, 23 Dec 2015 21:49:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=4vtmAYBtC8GCzceXrSFx57lv9TmwJ8M0Nd9aVCHbLS8=; b=wjKkx/49EqLS6RnVlidnHJVVi7YwFFZ24qIDn5obsV7NTuCXJhjPOpkcRXE5mTH+mh mD9Gqh1OzTNkzRLWVxYm0kHln/27FVoKIKx40qAoFgsusVRl9tYPNu6/hf2GGl3JcwkA eI/NV3frxuSDOatzBVXO5mwpHEjLFzchE+BZAv+k9HhL8dH+NdWI6W/35FKVwJcaDPC+ M4Ymalv2iBySObkVr8PI7RE7aBfJk56cyYs/u1Y0Y6qPKpJxwNbpk+rFbjtWt3SRINJO 2rvo9Mo1qpD0OpAoaAh7m/3DUWdcUusOHrn9N+AEtUSM8XIExvMQiwch3uFgxrIL8+4X I+gQ== MIME-Version: 1.0 X-Received: by 10.28.135.1 with SMTP id j1mr35799461wmd.11.1450936144178; Wed, 23 Dec 2015 21:49:04 -0800 (PST) Received: by 10.194.192.33 with HTTP; Wed, 23 Dec 2015 21:49:04 -0800 (PST) Date: Wed, 23 Dec 2015 23:49:04 -0600 Message-ID: Subject: Bhyve guest ntp server woes From: Adam Vande More To: FreeBSD virtualization Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Dec 2015 05:49:07 -0000 I am unable to get a 10.2 bhyve ntp server to be stable. Most configurations of kern.timecounter.* sysctl kern.eventtimer.* in the guest seem to make little difference, however kern.eventtimer.periodic=1 does seem to stabilize it a little. However after some runtime, I get very high jitter and offsets and extraordinary dispersion and distance values when seen from the host using guest as server(not actually sync'd against). How can I get some sane ntp in bhyve? Thanks, -- Adam