From owner-freebsd-emulation@FreeBSD.ORG Thu Jul 14 05:05:11 2011 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AB03E106564A for ; Thu, 14 Jul 2011 05:05:11 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-fx0-f44.google.com (mail-fx0-f44.google.com [209.85.161.44]) by mx1.freebsd.org (Postfix) with ESMTP id 3D0328FC13 for ; Thu, 14 Jul 2011 05:05:10 +0000 (UTC) Received: by fxe6 with SMTP id 6so314650fxe.17 for ; Wed, 13 Jul 2011 22:05:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=TEtOELReJpEn0LqXSo7UmBbTyOg8pFFKeS2MDXUxeLI=; b=u6H+g2ZcAxOLc5l66kChATdGwDVQLyOR6Nfcx5+9lrJ/lyHR0uHeEAVZcZPWexhGUx 3Wb7Rgl8wNqzGm+JAtzJ00HeHm/qp08UpSn1M/7j5LxwyIuo2AJz2N3kBTdT5XfOHa8H q5HjKYthEk/1Zq9EJ4Utp08hVl7ipMWZUwzzo= MIME-Version: 1.0 Received: by 10.204.75.71 with SMTP id x7mr807183bkj.22.1310619909778; Wed, 13 Jul 2011 22:05:09 -0700 (PDT) Received: by 10.204.98.204 with HTTP; Wed, 13 Jul 2011 22:05:09 -0700 (PDT) In-Reply-To: References: <20110714095717.35581xj4rdju1pel@webmail.in-berlin.de> <20110714115504.20182xr8y5z7o3ug@webmail.in-berlin.de> Date: Thu, 14 Jul 2011 00:05:09 -0500 Message-ID: From: Adam Vande More To: Peter Ross Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-emulation@freebsd.org Subject: Re: Network problems while running VirtualBox X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jul 2011 05:05:11 -0000 On Wed, Jul 13, 2011 at 10:02 PM, Adam Vande More wrote: > I suspect this has less to do with actual memory and more to do with some > other buffer-like bottleneck. Does tuning any of the network buffers make > any difference? A couple to try: > > net.inet.ip.intr_queue_maxlen > net.link.ifqmaxlen > kern.ipc.nmbclusters > > If possible, does changing from VM bridged -> NAT or vice-versa result in > any behavior change? > Also check vmstat -z, net.graph.maxdata may be a candidate as well. -- Adam Vande More