From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: Re: new netfront and occasional receive path lockup Date: Tue, 14 Sep 2010 09:25:09 +0100 Message-ID: <1284452709.14311.16721.camel@zakaz.uk.xensource.com> References: <87aannepx2.fsf@headboard.unzane.com> <4C8C9594.1010501@goop.org> <87k4mqd1re.fsf@headboard.unzane.com> <87bp82cxwn.fsf@headboard.unzane.com> <877hiqcrxt.fsf@headboard.unzane.com> <8739tecl6i.fsf@headboard.unzane.com> <87vd69bpje.fsf@headboard.unzane.com> <20100913160840.GC2804@reaktio.net> <4C8E7D33.7090902@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <4C8E7D33.7090902@goop.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge Cc: "Xu, Dongxiao" , "xen-devel@lists.xensource.com" , Gerald Turner List-Id: xen-devel@lists.xenproject.org On Mon, 2010-09-13 at 20:36 +0100, Jeremy Fitzhardinge wrote: > On 09/13/2010 09:08 AM, Pasi K=C3=A4rkk=C3=A4inen wrote: > > On Mon, Sep 13, 2010 at 09:01:57AM -0700, Gerald Turner wrote: > >> Then I restarted all domUs with use_smartpoll=3D0 and haven't had an= y > >> lockups in 7 hours. > >> > > I think we should default xen/stable-2.6.32.x to use_smartpoll=3D0 fo= r the time being > > until this is sorted out.. >=20 > Agreed. Should we also consider adding a netback option to disable it for the system as a whole as well? Or are the issues strictly in-guest only? Perhaps netback should support a xenstore key to allow a toolstack to configure this property per guest? Ian.