From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MbA6Q-0006gu-9x for qemu-devel@nongnu.org; Wed, 12 Aug 2009 05:26:38 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MbA6L-0006bs-Gt for qemu-devel@nongnu.org; Wed, 12 Aug 2009 05:26:37 -0400 Received: from [199.232.76.173] (port=59531 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MbA6L-0006ah-0g for qemu-devel@nongnu.org; Wed, 12 Aug 2009 05:26:33 -0400 Received: from mx2.redhat.com ([66.187.237.31]:54503) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MbA6J-0001HR-IX for qemu-devel@nongnu.org; Wed, 12 Aug 2009 05:26:31 -0400 Message-ID: <4A828ABF.1040306@redhat.com> Date: Wed, 12 Aug 2009 11:26:23 +0200 From: Gerd Hoffmann MIME-Version: 1.0 Subject: Re: [Qemu-devel] virtio-blk/qdev failure in the current git tree References: <20090810235646.GA12872@lst.de> <4A80BB6B.3020001@codemonkey.ws> <20090811161302.GA2053@lst.de> <20090811163638.GA4891@lst.de> <4A81C669.8070300@redhat.com> In-Reply-To: <4A81C669.8070300@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: qemu-devel@nongnu.org On 08/11/09 21:28, Gerd Hoffmann wrote: > Hmm. I suspect this is not related to qdev and virtio-blk at all. I've > noticed now and then that some pci devices don't work if you have many > of them. Didn't try (yet) to root-cause that one. More testing: Bare virtual box with just piix+vga. Then place a virtio disk into different slots using addr=. 3,4,5 work fine. 6 gives me: ACPI: Unable to derive IRQ for device 0000:00:06.0 ACPI: PCI Interrupt 0000:00:06.0[A]: no GSI - using IRQ 9 vda: Looks like a irq routing issue ... cheers, Gerd