From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58524) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTZTM-0005nL-1F for qemu-devel@nongnu.org; Tue, 08 Oct 2013 11:45:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VTZTD-0007DY-KL for qemu-devel@nongnu.org; Tue, 08 Oct 2013 11:45:19 -0400 Received: from mail-qc0-x22c.google.com ([2607:f8b0:400d:c01::22c]:36339) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTZTD-0007DS-GM for qemu-devel@nongnu.org; Tue, 08 Oct 2013 11:45:11 -0400 Received: by mail-qc0-f172.google.com with SMTP id l13so6180553qcy.31 for ; Tue, 08 Oct 2013 08:45:11 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <52542880.7050007@redhat.com> Date: Tue, 08 Oct 2013 17:45:04 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1379689080-32396-1-git-send-email-pbonzini@redhat.com> <20130921191736.GA20578@redhat.com> <523EA56D.1050403@redhat.com> In-Reply-To: <523EA56D.1050403@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 00/11] virtio: cleanup and fix hot-unplug List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fred.konrad@greensocs.com, qemu-devel@nongnu.org, "Michael S. Tsirkin" Il 22/09/2013 10:08, Paolo Bonzini ha scritto: > Il 21/09/2013 21:17, Michael S. Tsirkin ha scritto: >> On Fri, Sep 20, 2013 at 04:57:49PM +0200, Paolo Bonzini wrote: >>> This series fixes hot-unplug of virtio devices, which can crash due to >>> dangling pointer accesses. >> >> Could you please describe the sequence of steps that makes >> qemu crash? > > See patch 11. I didn't find out why it fails with PCIe but not PCI, > probably a difference in how malloc reuses freed blocks. Ping? Paolo