From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47294) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4qJz-0006Xa-Ru for qemu-devel@nongnu.org; Thu, 01 Aug 2013 06:41:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V4qJu-0000Kq-D9 for qemu-devel@nongnu.org; Thu, 01 Aug 2013 06:41:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:7715) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4qJu-0000Kl-6Q for qemu-devel@nongnu.org; Thu, 01 Aug 2013 06:41:22 -0400 Date: Thu, 1 Aug 2013 11:41:16 +0100 From: "Richard W.M. Jones" Message-ID: <20130801104116.GG1441@redhat.com> References: <20130731215612.GA7944@redhat.com> <20130731224510.GD1441@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] Using virtio-mmio List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-devel@nongnu.org On Thu, Aug 01, 2013 at 10:32:14AM +0100, Peter Maydell wrote: > On 31 July 2013 23:45, Richard W.M. Jones wrote: > > ~/d/qemu/arm-softmmu/qemu-system-arm \ > > -m 512 -M vexpress-a9 -machine kernel_irqchip=on \ > > The combination of 'vexpress-a9' and kernel_irqchip=on > don't make any sense -- the former implies "not using > KVM" because KVM needs an A15 guest CPU, whereas the > latter implies "using KVM". In any case kernel_irqchip=on > is the default when using KVM. > You can just delete the kernel_irqchip option. I did notice that it seemed to do nothing! > You might want to consider -M vexpress-a15, if you > want a setup that will let you use KVM (will probably > need to reconfig your kernel appropriately; may > need to discard "earlyprintk" if you compiled the > kernel with the dodgy "guess earlyprintk serial port > address based on exact revision-and-patchlevel of CPU" > option.) Unfortunately vexpress-a15 causes the kernel to fail to boot. I guess the Fedora kernel is not configured to work with A15 yet. Thanks, Rich. $ grep VEXPRESS config-3.9.9-302.fc19.armv7hl CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y CONFIG_ARCH_VEXPRESS_CA9X4=y CONFIG_SENSORS_VEXPRESS=m CONFIG_VEXPRESS_CONFIG=y CONFIG_REGULATOR_VEXPRESS=m -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming blog: http://rwmj.wordpress.com Fedora now supports 80 OCaml packages (the OPEN alternative to F#)