From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:51397) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UffSb-0007Cz-Js for qemu-devel@nongnu.org; Thu, 23 May 2013 20:02:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UffSZ-00079y-0c for qemu-devel@nongnu.org; Thu, 23 May 2013 20:02:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:1146) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UffSY-00079b-PU for qemu-devel@nongnu.org; Thu, 23 May 2013 20:02:14 -0400 Date: Fri, 24 May 2013 08:02:07 +0800 From: Asias He Message-ID: <20130524000207.GA22269@hj.localdomain> References: <519D6478.8060403@us.ibm.com> <20130523152758.GA21158@hj.localdomain> <519E361B.9070702@redhat.com> <519E3FCE.5040401@us.ibm.com> <519E4197.7030605@redhat.com> <519E45F3.4070709@us.ibm.com> <519E4808.6040403@redhat.com> <691725107.6754511.1369330272368.JavaMail.root@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <691725107.6754511.1369330272368.JavaMail.root@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] qemu seabios issue with vhost-scsi List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Stefan Hajnoczi , Gleb Natapov , Badari Pulavarty , qemu-devel , "Nicholas A. Bellinger" On Thu, May 23, 2013 at 01:31:12PM -0400, Paolo Bonzini wrote: >=20 >=20 > ----- Messaggio originale ----- > > Da: "Stefan Hajnoczi" > > A: "Paolo Bonzini" > > Cc: "Badari Pulavarty" , "Asias He" , "Nicholas A. Bellinger" > > , "qemu-devel" , "Gleb Na= tapov" > > Inviato: Gioved=EC, 23 maggio 2013 19:18:26 > > Oggetto: Re: qemu seabios issue with vhost-scsi > >=20 > > On Thu, May 23, 2013 at 6:47 PM, Paolo Bonzini = wrote: > > > Il 23/05/2013 18:38, Badari Pulavarty ha scritto: > > >>> If that is with the old SeaBIOS, then SIGABRT is intended. :) Th= e guest > > >>> is buggy, the problem in QEMU only lies in _how_ it fails. > > >>> > > >>> Paolo > > >>> > > >>> > > >> > > >> I am confused now. Without above changes, seabios fix makes the > > >> guest boot. But with the above changes, I run into this (even with > > >> seabios fix) > > > > > > Ah, okay. I understood it crashed only with the SeaBIOS fix. > > > > > > I'll work on a more proper fix then. > >=20 > > Maybe use the same approach as data plane - activate vhost when > > userspace sees the first virtqueue kick. That way it works with weir= d > > guests and never aborts. >=20 > Good idea. I remember you mentioned that you wanted to start vhost earlier when you were debugging vhost-scsi a few days ago. > Paolo --=20 Asias