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-users] 3.0.0 and gplpv

To: "jim burns" <jim_burn@xxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] 3.0.0 and gplpv
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Mon, 25 Jul 2011 11:01:19 +1000
Cc:
Delivery-date: Sun, 24 Jul 2011 18:05:16 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <201107241140.49316.jim_burn@xxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <201107231426.56811.jim_burn@xxxxxxxxxxxxx> <AEC6C66638C05B468B556EA548C1A77D01DE3504@trantor> <201107232131.27537.jim_burn@xxxxxxxxxxxxx> <201107241140.49316.jim_burn@xxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcxKGCa13Zx1YOqiR8ugL5fI803OSAATgz7g
Thread-topic: [Xen-users] 3.0.0 and gplpv
> 
> On Sat July 23 2011 9:31:26 PM you wrote:
> > In the Advanced tab of Xen Net Device Driver Properties, the first 4
items
> > are:
> >
> > Check Checksum on RX Packets - Enabled
> > Checksum Offload - Disabled
> > Don't fix the blank checksum on offload - Disabled
> > Large Send Offload - 8192
> >
> > If I understand you correctly, 'Checksum Offload' is already
disabled, and
> > I  just need to disable 'Large Send Offload', right? My dom0's peth0
is
> > too old for ethtool to be useful. I'll try this tomorrow, if I don't
hear
> > further from you.
> 
> No difference. With gplpv, the domu network hung just downloading the
latest
> flash installer. I had to login to the vnc console to regain control.
(I was
> using rdp.) With /nogplpv, it's still mondo slow. (not that I would
expect
> changing the above settings would affect that.)
> 
> I'm not expecting any quick fix. 2.6.32 works quite well for me. I
just wanted
> to give you a heads up on possible problems with 3.0.0 (the kernel :)
)

I'm still keep to identify the problem. Have you done a TCP dump looking
for bad packets or anything?

tcpdump -s0 -v -n -i vifX.0

where vifX.0 is the interface for your DomU

James

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