From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: KVM: Windows 64-bit troubles with user space irqchip Date: Tue, 01 Feb 2011 19:02:03 +0100 Message-ID: <4D484A9B.9040604@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit To: kvm , qemu-devel Return-path: Received: from david.siemens.de ([192.35.17.14]:20722 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751477Ab1BASCI (ORCPT ); Tue, 1 Feb 2011 13:02:08 -0500 Sender: kvm-owner@vger.kernel.org List-ID: 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? Jan PS: Looks like they boot fine without CONFIG_IOTHREAD (over upstream). -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=40113 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PkKYW-0005Oq-OU for qemu-devel@nongnu.org; Tue, 01 Feb 2011 13:02:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PkKYI-0000kn-QA for qemu-devel@nongnu.org; Tue, 01 Feb 2011 13:02:07 -0500 Received: from david.siemens.de ([192.35.17.14]:20716) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PkKYI-0000kR-GI for qemu-devel@nongnu.org; Tue, 01 Feb 2011 13:02:06 -0500 Message-ID: <4D484A9B.9040604@siemens.com> Date: Tue, 01 Feb 2011 19:02:03 +0100 From: Jan Kiszka MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] KVM: Windows 64-bit troubles with user space irqchip List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: kvm , qemu-devel 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? Jan PS: Looks like they boot fine without CONFIG_IOTHREAD (over upstream). -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux