[Xen-users] domU pause while migration

To:	Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-users] domU pause while migration
From:	Paras pradhan <pradhanparas@xxxxxxxxx>
Date:	Fri, 18 Dec 2009 17:54:51 -0600
Delivery-date:	Fri, 18 Dec 2009 15:55:34 -0800
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Hi,

When I live migrate a domain to the 2nd server , I get my domain in paused state. But after a minute or so it is back to normal. But why is this taking this much time.

xm log says:

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:158) Waiting for devices vkbd.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:158) Waiting for devices vfb.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:158) Waiting for devices pci.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:158) Waiting for devices ioports.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:158) Waiting for devices tap.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:164) Waiting for 51712.

[2009-12-18 17:46:33 xend 13531] DEBUG (DevController:509) hotplugStatusCallback /local/domain/0/backend/tap/5/51712/hotplug-status.

[2009-12-18 17:48:13 xend 13531] ERROR (XendCheckpoint:277) Device 51712 (tap) could not be connected. Hotplug scripts not working.

Traceback (most recent call last):

File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 275, in restore

dominfo.waitForDevices() # Wait for backends to set up

File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2330, in waitForDevices

self.waitForDevices_(c)

File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 1422, in waitForDevices_

return self.getDeviceController(deviceClass).waitForDevices()

File "/usr/lib64/python2.4/site-packages/xen/xend/server/DevController.py", line 160, in waitForDevices

return map(self.waitForDevice, self.deviceIDs())

File "/usr/lib64/python2.4/site-packages/xen/xend/server/DevController.py", line 170, in waitForDevice

raise VmError("Device %s (%s) could not be connected. "

VmError: Device 51712 (tap) could not be connected. Hotplug scripts not working.

---

Suggestions?

Thanks!

Paras

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[Xen-users] domU pause while migration