From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Windows slow boot: contractor wanted Date: Sun, 19 Aug 2012 11:40:05 +0300 Message-ID: <5030A665.4020608@redhat.com> References: <20120816104727.GA17166@alpha.arachsys.com> <502CDC0D.9080004@redhat.com> <20120817123642.GA16736@alpha.arachsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org To: Richard Davies Return-path: In-Reply-To: <20120817123642.GA16736@alpha.arachsys.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On 08/17/2012 03:36 PM, Richard Davies wrote: > Hi Avi, > > Thanks to you and several others for offering help. We will work with Avi at > first, but are grateful for all the other offers of help. We have a number > of other qemu-related projects which we'd be interested in getting done, and > will get in touch with these names (and anyone else who comes forward) to > see if any are of interest to you. > > > This slow boot problem is intermittent and varys in how slow the boots are, > but I managed to trigger it this morning with medium slow booting (5-10 > minutes) and link to the requested traces below. > > The host in question has 128GB RAM and dual AMD Opteron 6128 (16 cores > total). It is running kernel 3.5.1 and qemu-kvm 1.1.1. > > In this morning's test, we have 3 guests, all booting Windows with 40GB RAM > and 8 cores each (we have seen small VMs go slow as I originally said, but > it is easier to trigger with big VMs): > > pid 15665: qemu-kvm -nodefaults -m 40960 -smp 8 -cpu host,hv_relaxed \ > -vga cirrus -usbdevice tablet -vnc :99 -monitor stdio -hda test1.raw > pid 15676: qemu-kvm -nodefaults -m 40960 -smp 8 -cpu host,hv_relaxed \ > -vga cirrus -usbdevice tablet -vnc :98 -monitor stdio -hda test2.raw > pid 15653: qemu-kvm -nodefaults -m 40960 -smp 8 -cpu host,hv_relaxed \ > -vga cirrus -usbdevice tablet -vnc :97 -monitor stdio -hda test3.raw > 40+40+40=120, pretty close to your server specs. Are you swapping? -- error compiling committee.c: too many arguments to function