From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49661) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VNei9-0007rA-5M for qemu-devel@nongnu.org; Sun, 22 Sep 2013 04:08:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VNei0-00062I-PN for qemu-devel@nongnu.org; Sun, 22 Sep 2013 04:08:09 -0400 Received: from mail-ee0-x22f.google.com ([2a00:1450:4013:c00::22f]:54324) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VNei0-000622-IB for qemu-devel@nongnu.org; Sun, 22 Sep 2013 04:08:00 -0400 Received: by mail-ee0-f47.google.com with SMTP id d49so1064339eek.6 for ; Sun, 22 Sep 2013 01:07:59 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <523EA56D.1050403@redhat.com> Date: Sun, 22 Sep 2013 10:08:13 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1379689080-32396-1-git-send-email-pbonzini@redhat.com> <20130921191736.GA20578@redhat.com> In-Reply-To: <20130921191736.GA20578@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: , To: "Michael S. Tsirkin" Cc: qemu-devel@nongnu.org, fred.konrad@greensocs.com 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. Paolo