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


[Xen-users] xm migrate --live never returns

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] xm migrate --live never returns
From: "Kraska, Joe A \(US SSA\)" <joe.kraska@xxxxxxxxxxxxxx>
Date: Tue, 20 Feb 2007 14:28:16 -0800
Delivery-date: Tue, 20 Feb 2007 14:27:50 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
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/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcdVPmqpppvyu9E3Tb+R4SBigVaOhQ==
Thread-topic: xm migrate --live never returns

I have two OpenSuse 10.2 boxen running on Del 1955 blades (Intel Woodcrest 5160)

and VT enabled in the BIOS. OpenSuse 10.2 uses xen-pae-3.0.3-11775-20.


Each box is running a dom0 (with the appropriate configuration for Xend to enable



I successfully execute:


% xm migrate –live <domid> <dest-ip>


The domU live-migrates to the other dom0 and arrives in a healthy state.

When I attempt the operation in reverse, the command hangs and never



On the sending dom0, the machine shows a name of:




On the receiving dom0, the machine shows a state of –p----


What’s weird about this situation is that just yesterday I ran a ping pong test on the

two systems and watched them migrate back and forth every 19.1 seconds for like

20 minutes.


I interrupted the programs, twiddled a bit, and managed to crash xend on one of the

hosts. xend wouldn’t cleanup properly with “service xend restart”, so I rebooted the

host entirely.


No configuration changes have been made since the period that it worked.


This post from the archive in 2005 seems to be similar to what I am experiencing:




Xen-users mailing list
<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-users] xm migrate --live never returns, Kraska, Joe A \(US SSA\) <=