From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:60431) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPqej-0006sX-I4 for qemu-devel@nongnu.org; Fri, 27 May 2011 02:36:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QPqei-0002zg-RU for qemu-devel@nongnu.org; Fri, 27 May 2011 02:36:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:61103) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPqei-0002zV-Ka for qemu-devel@nongnu.org; Fri, 27 May 2011 02:36:20 -0400 Message-ID: <4DDF4709.6080504@redhat.com> Date: Fri, 27 May 2011 08:39:05 +0200 From: Kevin Wolf MIME-Version: 1.0 References: <1305808412-16994-1-git-send-email-kwolf@redhat.com> <1305808412-16994-6-git-send-email-kwolf@redhat.com> <20110526181208.46aba2ae@doriath> In-Reply-To: <20110526181208.46aba2ae@doriath> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 05/18] ide: Turn debug messages into assertions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Luiz Capitulino Cc: Stefan Hajnoczi , qemu-devel@nongnu.org Am 26.05.2011 23:12, schrieb Luiz Capitulino: > On Thu, 19 May 2011 14:33:19 +0200 > Kevin Wolf wrote: > >> These printfs aren't really debug messages, but clearly indicate a bug if they >> ever become effective. > > Then we have a bug somewhere, starting a VM with: > > # qemu -hda disks/test.img -enable-kvm -m 1G -cdrom /dev/sr0 > > Where the host's CDROM is empty, triggers one of these asserts: > > qmp-unstable/hw/ide/pci.c:299: bmdma_cmd_writeb: Assertion `bm->bus->dma->aiocb == ((void *)0)' Hm, works for me. Do you need some guest OS interaction or do you get the crash immediately? Kevin