From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34173) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XOw5k-0003WI-EU for qemu-devel@nongnu.org; Tue, 02 Sep 2014 17:58:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XOw5a-0000EB-Ch for qemu-devel@nongnu.org; Tue, 02 Sep 2014 17:58:20 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:35605) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XOw5a-0000E0-6K for qemu-devel@nongnu.org; Tue, 02 Sep 2014 17:58:10 -0400 Received: from /spool/local by e35.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 2 Sep 2014 15:58:09 -0600 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable From: Michael Roth In-Reply-To: References: <1409160982-16389-1-git-send-email-mdroth@linux.vnet.ibm.com> <20140902152050.32021.68140@loki> <20140902152546.GA23254@redhat.com> <20140902152736.GA23266@redhat.com> <20140902210315.GA25153@redhat.com> Message-ID: <20140902215804.32021.4562@loki> Date: Tue, 02 Sep 2014 16:58:04 -0500 Subject: Re: [Qemu-devel] [Qemu-stable] Patch Round-up for stable 2.1.1, freeze on 2014-09-03 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrey Korolyov , "Michael S. Tsirkin" Cc: ehabkost@redhat.com, Stefan Hajnoczi , knut.omang@oracle.com, qemu-stable@nongnu.org, "qemu-devel@nongnu.org" , Michael Tokarev , Gerd Hoffmann , "J. Kiszka" , chen.fan.fnst@cn.fujitsu.com, Paolo Bonzini , sebastian.tanase@openwide.fr, zhang.zhanghailiang@huawei.com Quoting Andrey Korolyov (2014-09-02 16:29:29) > On Wed, Sep 3, 2014 at 1:03 AM, Michael S. Tsirkin wrote: > >> bad one is the > >> > >> Author: Jason Wang > >> Date: Tue Sep 2 18:07:46 2014 +0300 > >> > >> vhost_net: start/stop guest notifiers properly > > > > > > > > upstream has this (pull request sent today): > > vhost_net: cleanup start/stop condition > > > > Could you apply it and see if it helps please? > > > > Michael, if it helps it should be before start/stop guest notifiers > > ideally to avoid bisect problems. > = > It is already applied as shown from the list in the previous message > (there are some aio fixes too on top of 2.1 I picked before but they > should not impact vhost-net interaction in any mean). The symptoms are I also had it applied. Not sure what the main difference is with our setups, but can't seem to reproduce it on my end. Also tried FC18 64-bit. I have only 2.1.1 + the 4 commits mentioned in my previous email however, so it may be worth retrying your test with only those applied as a sanity check, or even just testing Michael's tree directly to confirm that the right commit. > a bit interesting - VM crashes only at PCI device initalization (e.g. > grub stage after reset and initrd unpacking are passing well, but then > things getting ugly). I am running 3.14 guest i686-pae kernel from > debian backports in guest, so it may be version-specific after all. If > it`ll be hard to reproduce, I can try 64bit, expecting same behavior. > Please find args in attached file.