From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37301) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WiQhM-00089r-0O for qemu-devel@nongnu.org; Thu, 08 May 2014 11:57:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WiQhD-00021w-PQ for qemu-devel@nongnu.org; Thu, 08 May 2014 11:57:27 -0400 Received: from mail1.windriver.com ([147.11.146.13]:56366) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WiQhD-000207-Gz for qemu-devel@nongnu.org; Thu, 08 May 2014 11:57:19 -0400 Message-ID: <536BA95C.8070306@windriver.com> Date: Thu, 8 May 2014 09:57:16 -0600 From: Chris Friesen MIME-Version: 1.0 References: <53693FA4.3000306@windriver.com> <5369D504.2070101@redhat.com> <536AB2EE.6010504@windriver.com> <20140508130231.GA24978@grmbl.mre> <536B8332.9070705@redhat.com> <20140508133052.GA25602@grmbl.mre> <536B9524.8070307@windriver.com> <536B95E3.3010808@redhat.com> In-Reply-To: <536B95E3.3010808@redhat.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] virtio-serial-pci very expensive during live migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , Amit Shah Cc: qemu-devel@nongnu.org, armbru@redhat.com On 05/08/2014 08:34 AM, Paolo Bonzini wrote: > Il 08/05/2014 16:31, Chris Friesen ha scritto: >> >> >> The fact remains that qemu crashes when I apply the patch. I also tried >> patching it as below in virtio_pci_vmstate_change(). That would allow >> the VM to boot, but it would crash when I tried to do a live migration. > > Can you give us your command line and a backtrace? For the backtrace, you mean with a core file? Or is there a better way? Chris