This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] Re: new netfront and occasional receive path lockup

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: new netfront and occasional receive path lockup
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Tue, 14 Sep 2010 09:25:09 +0100
Cc: "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Gerald Turner <gturner@xxxxxxxxxx>
Delivery-date: Tue, 14 Sep 2010 01:26:15 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4C8E7D33.7090902@xxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Organization: Citrix Systems, Inc.
References: <D5AB6E638E5A3E4B8F4406B113A5A19A2A5ED71F@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <87aannepx2.fsf@xxxxxxxxxxxxxxxxxxxx> <4C8C9594.1010501@xxxxxxxx> <87k4mqd1re.fsf@xxxxxxxxxxxxxxxxxxxx> <87bp82cxwn.fsf@xxxxxxxxxxxxxxxxxxxx> <D5AB6E638E5A3E4B8F4406B113A5A19A2A658C2F@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <877hiqcrxt.fsf@xxxxxxxxxxxxxxxxxxxx> <D5AB6E638E5A3E4B8F4406B113A5A19A2A658D1C@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <8739tecl6i.fsf@xxxxxxxxxxxxxxxxxxxx> <87vd69bpje.fsf@xxxxxxxxxxxxxxxxxxxx> <20100913160840.GC2804@xxxxxxxxxxx> <4C8E7D33.7090902@xxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
On Mon, 2010-09-13 at 20:36 +0100, Jeremy Fitzhardinge wrote:
> On 09/13/2010 09:08 AM, Pasi Kärkkäinen wrote:
> > On Mon, Sep 13, 2010 at 09:01:57AM -0700, Gerald Turner wrote:
> >> Then I restarted all domUs with use_smartpoll=0 and haven't had any
> >> lockups in 7 hours.
> >>
> > I think we should default xen/stable-2.6.32.x to use_smartpoll=0 for the 
> > time being
> > until this is sorted out..
> 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?


Xen-devel mailing list