From owner-freebsd-emulation@FreeBSD.ORG Thu Jul 14 01:25:53 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 992F81065675 for ; Thu, 14 Jul 2011 01:25:53 +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 9E3FF8FC13 for ; Thu, 14 Jul 2011 01:25:52 +0000 (UTC) Received: by fxe6 with SMTP id 6so147238fxe.17 for ; Wed, 13 Jul 2011 18:25:51 -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=6iDM6rDJlQ3tT7W/iEC48s+QbG5YYsQOkJ71NM39xT0=; b=bTq0igDOwtqg6JBQS0nfUN5j91HB/pK90NchIlzD264DpdUqaBlgVbQHnFQWgt5+pf vfOX8syjuZyhwpz7hFDd2qt3ZLRRSimsILVNShENmk/3JckSKM9uOXQA7zeyUDlum2pV Duq0LCT4dQwgHAMeDlP3u0yh+OG+kq0G0Nnd0= MIME-Version: 1.0 Received: by 10.223.144.136 with SMTP id z8mr213598fau.31.1310605047052; Wed, 13 Jul 2011 17:57:27 -0700 (PDT) Received: by 10.223.124.12 with HTTP; Wed, 13 Jul 2011 17:57:27 -0700 (PDT) In-Reply-To: <20110714095717.35581xj4rdju1pel@webmail.in-berlin.de> References: <20110714095717.35581xj4rdju1pel@webmail.in-berlin.de> Date: Wed, 13 Jul 2011 19:57:27 -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 01:25:53 -0000 On Wed, Jul 13, 2011 at 6:57 PM, Peter Ross wrote: > Hi all, > > I have a problem with the network while running VirtualBox. > > As soon as I _run_ a VirtualBox I am not able to copy large files (e.g. > virtual disks or ZFS snapshots) using ssh/scp to another machine. > > The ssh crashes with "Write failed: Cannot allocate memory" > > At the moment it is a real showstopper for running VirtualBox/FreeBSD > production because I cannot backup VirtualBoxes. Mahlon gave up on it and > uses Citrix by now (but is still keen to have this solved). > > Any idea what causes the problem? I am happy to gather information, > applying patches etc. if it helps. > Just a thought, does using ssh from ports make any difference? Do you have any more info about the threshold of file size for when this problem starts occurring? is it always the same? EG if Vbox has 2 GB mapped out and you get an error at a certain file size, does reducing the Vbox memory footprint allow a larger file to be successfully sent? -- Adam Vande More