From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: KVM, Entropy and Windows Date: Thu, 17 Feb 2011 11:11:23 +0200 Message-ID: <4D5CE63B.9030906@redhat.com> References: <004882f9-9a99-4312-a7c5-c307398cd297@office.splatnix.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Vadim Rozenfeld To: "--[ UxBoD ]--" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:2691 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752784Ab1BQJ4I (ORCPT ); Thu, 17 Feb 2011 04:56:08 -0500 In-Reply-To: <004882f9-9a99-4312-a7c5-c307398cd297@office.splatnix.net> Sender: kvm-owner@vger.kernel.org List-ID: On 02/16/2011 09:54 PM, --[ UxBoD ]-- wrote: > Hello all, > > I believe I am hitting a problem on one of our Windows 2003 KVM guests were I believe it is running out of Entropy and causing SSL issues. > > I see that there is a module called virtio-rng which I believe passes the HW entropy source through to the guest but does this work on Windows as-well ? > AFAIK there is no Windows driver for virtio-rng. Seems like a good idea. Vadim? > If it doesn't any ideas on how I can increase the amount of entropy being generated on a headless system ? or even monitor entropy on a Windows system ? No idea. Maybe you could ask Windows to collect entropy from packet timings. -- error compiling committee.c: too many arguments to function