From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dor Laor Subject: Re: KVM, Entropy and Windows Date: Thu, 17 Feb 2011 12:37:54 +0200 Message-ID: <4D5CFA82.6000708@redhat.com> References: <004882f9-9a99-4312-a7c5-c307398cd297@office.splatnix.net> <4D5CE63B.9030906@redhat.com> <1297937344.2435.12.camel@localhost> Reply-To: dlaor@redhat.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Avi Kivity , "--[ UxBoD ]--" , kvm@vger.kernel.org To: Vadim Rozenfeld Return-path: Received: from mx1.redhat.com ([209.132.183.28]:13549 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751993Ab1BQKh7 (ORCPT ); Thu, 17 Feb 2011 05:37:59 -0500 In-Reply-To: <1297937344.2435.12.camel@localhost> Sender: kvm-owner@vger.kernel.org List-ID: On 02/17/2011 12:09 PM, Vadim Rozenfeld wrote: > On Thu, 2011-02-17 at 11:11 +0200, Avi Kivity wrote: >> 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? > virtio-rng driver for windows is not a big deal. IMO, the real problem > will be to force Windows to use for CriptoApi. What's the implication of it? good or bad? Do you know what hyper-v is doing for it? >> >>> 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. >> > > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html