From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=36599 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Pkdh0-0002KL-8Q for qemu-devel@nongnu.org; Wed, 02 Feb 2011 09:28:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Pkbvr-0002Rh-Jm for qemu-devel@nongnu.org; Wed, 02 Feb 2011 07:35:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53496) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Pkbvr-0002QE-AJ for qemu-devel@nongnu.org; Wed, 02 Feb 2011 07:35:35 -0500 Date: Wed, 2 Feb 2011 14:35:32 +0200 From: Gleb Natapov Subject: Re: [Qemu-devel] KVM: Windows 64-bit troubles with user space irqchip Message-ID: <20110202123532.GF14984@redhat.com> References: <4D484A9B.9040604@siemens.com> <20110202115537.GE14984@redhat.com> <4D4946F7.1070702@siemens.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4D4946F7.1070702@siemens.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: qemu-devel , kvm On Wed, Feb 02, 2011 at 12:58:47PM +0100, Jan Kiszka wrote: > On 2011-02-02 12:55, Gleb Natapov wrote: > > On Tue, Feb 01, 2011 at 07:02:03PM +0100, Jan Kiszka wrote: > >> Hi, > >> > >> testing my KVM patches, I noticed that none of the 64-bit Windows > >> versions I have around (early Win7 & 2003 server) boot in KVM mode when > >> using 2 or more VCPUs and the user space irqchip. This applies to both > >> upstream KVM and qemu-kvm, with our without any of my current patches. A > >> subtle difference in the APIC/IOAPIC emulation? > >> > >> Can anyone confirm this? > >> > > Just booted windows7-64 on qemu-kvm -no-kvm-irqchip + latest kernel here. > > Strange. -smp 2? > Opps, -smp 1. With -smp 2 it boot almost completely and then hangs. -- Gleb.