WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-devel] Re: Using Xen Virtualization Environment for Development

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: Using Xen Virtualization Environment for Development and Testing of Supercomputing and High Performance Computing (HPC) Cluster MPICH2 MPI-2 Applications
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Fri, 30 Oct 2009 18:04:08 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Mr. Teo En Ming \(Zhang Enming\)" <space.time.universe@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 30 Oct 2009 09:04:31 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4AEB04A3.5020100@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>
References: <f712b9cf0910292337k5247e737pea271b244c340e16@xxxxxxxxxxxxxx> <f712b9cf0910292353u1239ed74rf6012620519dc17e@xxxxxxxxxxxxxx> <f712b9cf0910300053j782151f7y6f7084b3b3a59c62@xxxxxxxxxxxxxx> <f712b9cf0910300112g528ce37ar41e9fa4710f1571@xxxxxxxxxxxxxx> <f712b9cf0910300135k79c47ac2k6d48f191cc1fd9a6@xxxxxxxxxxxxxx> <20091030094943.GL1434@xxxxxxxxxxx> <4AEB04A3.5020100@xxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.13 (2006-08-11)
On Fri, Oct 30, 2009 at 08:22:11AM -0700, Jeremy Fitzhardinge wrote:
> On 10/30/09 02:49, Pasi Kärkkäinen wrote:
> > On Fri, Oct 30, 2009 at 04:35:00PM +0800, Mr. Teo En Ming (Zhang Enming) 
> > wrote:
> >   
> >>    Dear All,
> >>
> >>    I have solved the problem.
> >>
> >>    With reference to
> >>    
> >> [1]http://lists.xensource.com/archives/html/xen-devel/2009-05/msg01327.html
> >>    and
> >>    
> >> [2]http://hightechsorcery.com/2008/03/virtualization-tip-always-disable-checksumming-virtual-ethernet-devices
> >>    , I have executed the following command as root on all my 6 compute 
> >> nodes
> >>    (each compute node is a F11 linux 64-bit PV virtual machine).
> >>
> >>    # ethtool -K eth0 tx off gso on
> >>
> >>     
> > Jeremy: Do you know why this is still needed nowadays? 
> >
> > Where's the bug? Why doesn't it work with the defaults? 
> >   
> 
> I committed bugfix relating to gso/tso a couple of days ago, so I think
> (hope!) this shouldn't be necessary any more.
> 

Ok. So it's just a matter of upgrading dom0 kernel, and then verifying
it works without ethtool hacks? 

-- Pasi


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>