From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S4H5z-0008VD-K8 for qemu-devel@nongnu.org; Sun, 04 Mar 2012 14:28:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S4H5w-0003Sd-VR for qemu-devel@nongnu.org; Sun, 04 Mar 2012 14:27:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:11799) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S4H5w-0003SX-Mm for qemu-devel@nongnu.org; Sun, 04 Mar 2012 14:27:48 -0500 Date: Sun, 4 Mar 2012 21:27:53 +0200 From: "Michael S. Tsirkin" Message-ID: <20120304192753.GE16058@redhat.com> References: <4F535FD4.2000905@redhat.com> <4F5362FD.5060305@redhat.com> <20120304132225.GB12047@redhat.com> <20120304140853.GA12776@redhat.com> <20120304164044.GA15384@redhat.com> <4F53B048.301@ilande.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4F53B048.301@ilande.co.uk> Subject: Re: [Qemu-devel] [PATCH] pci: fix bridge IO/BASE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mark Cave-Ayland Cc: Blue Swirl , Avi Kivity , Anthony Liguori , qemu-devel@nongnu.org On Sun, Mar 04, 2012 at 06:11:20PM +0000, Mark Cave-Ayland wrote: > On 04/03/12 17:49, Blue Swirl wrote: > > >>According to the spec it is a device, so should be ok? > >>If I just make BAR4 writeable we get past the > >>bios screen at least. > >>Maybe openbios gets confused if a device has no BARs? > >>Do things work for you with the patch below? > >>All it does is make BAR4 writeable, accesses go nowhere. > > > >Looking at serial console, there is no crash, but VGA still does not work. > > Note that I've just emailed the list about a VGA regression I've > found on PPC caused by one of Avi's commits - perhaps Michael's fix > does work, but you're being bitten by the same bug? > > > ATB, > > Mark. It's not a fix as such - just a hack to see what makes bios crash. -- MST