From owner-freebsd-emulation@FreeBSD.ORG Sun Aug 19 12:00:51 2012 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 694A51065676 for ; Sun, 19 Aug 2012 12:00:51 +0000 (UTC) (envelope-from decke@bluelife.at) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id D663F8FC14 for ; Sun, 19 Aug 2012 12:00:50 +0000 (UTC) Received: by bkcje9 with SMTP id je9so2004168bkc.13 for ; Sun, 19 Aug 2012 05:00:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bluelife.at; s=google; h=from:reply-to:to:subject:x-mailer:references:in-reply-to :content-type:content-id:date:message-id:mime-version :content-transfer-encoding; bh=eJ5dVgpFeBwXRx/Zx8TnqsgUoOgLLlBtbDYXBC7mUoA=; b=SSYZHuA+hyxCBGlUDkj0WUMi/KA5iBrk/r42enUalUMu+6rmghcuS28tqP1as5nWme iBkMWQb944ABQifSw8gAsfxTwSSs82f6Q5zy/fNzB1MhJYhauOuSmIIqh2G2N+wx6k39 +ZOoPgO5kHYz5jQNr0fPbJ4qpRTT8C8kKDpGc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:reply-to:to:subject:x-mailer:references:in-reply-to :content-type:content-id:date:message-id:mime-version :content-transfer-encoding:x-gm-message-state; bh=eJ5dVgpFeBwXRx/Zx8TnqsgUoOgLLlBtbDYXBC7mUoA=; b=OnR4Na/OwIowVS3GtYOCMlirh0l98EGpHlpviQaHNktqTe1jQ2cvC3iUTsxlq88WI1 jqOevJJ3NvreHuwWwC7109HOqsLm9VnwAoWeNffstSd/hNwGwoXHEgpNi/pKqtBrVszR vQ02yjALLL9fNt8LS8IXtJnOFWn2Lj8SNTDRkHoyEpoQCaJ3CiN09uqHWbNdNnOgDfZU SPBPzo8jdqpIUyjbgEhg3E7EX7PpCsO0emiZPCfLfx3XzBiaob9oVvabl2luVAsCunsU hEywNF/vkkByK+J2nDFNUPShlNvuUcQ8IiKc64VKqwhzqDh2qd7HkobzBKv6CphKYZlL z0uw== Received: by 10.204.148.82 with SMTP id o18mr3516238bkv.41.1345377649164; Sun, 19 Aug 2012 05:00:49 -0700 (PDT) Received: from [10.46.84.246] (089144192025.atnat0001.highway.a1.net. [89.144.192.25]) by mx.google.com with ESMTPS id n17sm5001650bks.6.2012.08.19.05.00.47 (version=SSLv3 cipher=OTHER); Sun, 19 Aug 2012 05:00:48 -0700 (PDT) From: Bernhard =?ISO-8859-1?Q?Fr=F6hlich?= To: Stephen McKay , freebsd-emulation@freebsd.org X-Mailer: Modest 3.90.7 References: <201208191133.q7JBXvpX005732@dungeon.home> In-Reply-To: <201208191133.q7JBXvpX005732@dungeon.home> Content-Type: text/plain; charset=utf-8 Content-ID: <1345377650.18956.1.camel@Nokia-N900-42-11> Date: Sun, 19 Aug 2012 14:00:51 +0200 Message-Id: <1345377651.18956.2.camel@Nokia-N900-42-11> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Gm-Message-State: ALoCoQn9Nfegwe2+qJv/FUFPzTkuEIne/omq5XyeKtF1a+AFt+USRelKoz5FkbFQtwoMfRMc4Izb Cc: Subject: Re: VirtualBox limitations with FreeBSD clients? X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Bernhard =?ISO-8859-1?Q?Fr=F6hlich?= List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Aug 2012 12:00:51 -0000 On So., 19. Aug. 2012 13:33:57 CEST, Stephen McKay wrote: > Hi! > > I'm trying to get the following setup stable: > >        FreeBSD 9.1-beta1 host (Intel Q6600 cpu with 4 cores) >        VirtualBox 4.1.18 >        FreeBSD 10-current client (4 virtual cpus) > > No matter what I fiddle in kern.timecounter, I get many calcru errors > on the client, for example: > > calcru: runtime went backwards from 6968924848397985 usec to 38 used for > pid 16 (vnlru) > > In fact, that one is more preposterous than most.  I think that many usec > is about 220 years.  Something is completely out of whack here. > > So, my questions are: > - do multi-cpu FreeBSD clients work for you in VirtualBox? > - does FreeBSD-current as a client in VirtualBox work for you? > - what's the oldest hardware you've successfully used as a VirtualBox > host? > > If this has never worked I may as well give up.  But if it works for > most people, maybe it can be traced, and I'll do a much better bug > report. ;-) What do you currently use to keep the time in sync? There are vbox guest additions that can keep the time in sync with the host clock or you could use an ntp client in the guest. Both did work fine for me in the past but results may vary. -- http://www.bluelife.at/