From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:55223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1yQr-00010a-Nt for qemu-devel@nongnu.org; Thu, 16 Aug 2012 07:40:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T1yQq-0005BP-AE for qemu-devel@nongnu.org; Thu, 16 Aug 2012 07:40:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63038) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1yQq-0005Ap-1y for qemu-devel@nongnu.org; Thu, 16 Aug 2012 07:40:08 -0400 Message-ID: <502CDC0D.9080004@redhat.com> Date: Thu, 16 Aug 2012 14:39:57 +0300 From: Avi Kivity MIME-Version: 1.0 References: <20120816104727.GA17166@alpha.arachsys.com> In-Reply-To: <20120816104727.GA17166@alpha.arachsys.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Windows slow boot: contractor wanted List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Davies Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org On 08/16/2012 01:47 PM, Richard Davies wrote: > Hi, > > We run a cloud hosting provider using qemu-kvm 1.1, and are keen to find a > contractor to track down and fix problems we have with large memory Windows > guests booting very slowly - they can take several hours. > > We previously reported these problems in July (copied below) and they are > still present with Linux kernel 3.5.1 and qemu-kvm 1.1.1. > > This is a serious issue for us which is causing significant pain to our > larger Windows VM customers when their servers are offline for many hours > during boot. > > If anyone knowledgeable in the area would be interested in being paid to > work on this, or if you know someone who might be, I would be delighted to > hear from you. > I happen to be gainfully employed but maybe I can help. Can you collect a trace during the slow boot period and post in somewhere? See http://www.linux-kvm.org/page/Tracing for instructions. 4G/8way is not a particularly large guest. What is the host configuration (memory, core count)? -- error compiling committee.c: too many arguments to function