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-users] Problems with round trip times

To: "Markus Plischke" <m.plischke@xxxxxxxxx>, <Xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Problems with round trip times
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Sat, 12 Jul 2008 20:35:45 +1000
Delivery-date: Sat, 12 Jul 2008 03:36:25 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <E265EAE81DCD884D9B6EFFB61899DEE1AC33EFC9@xxxxxxxxxxx>
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: <E265EAE81DCD884D9B6EFFB61899DEE1AC33EFC9@xxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcjjW//cGCmh58StRbasYpYC4cxDwAArvKAQ
Thread-topic: [Xen-users] Problems with round trip times
> Is use a Windows Server 2003 R2 x64 on XEN with the 0.9.10 PV drivers
> James.
> But with and without these driver I have the same problem:
> C:\Program Files\Support Tools>ping
> Pinging with 32 bytes of data:
> Reply from bytes=32 time=24317ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Reply from bytes=32 time<1ms TTL=128
> Ping statistics for
>     Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
> Approximate round trip times in milli-seconds:
>     Minimum = 0ms, Maximum = 24317ms, Average = 6079ms

I see exactly this problem with SMP but not on UP. I assume you are
running with vcpus > 1?


Xen-users mailing list

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