[Xen-users] Re: Upgrading xen from CentOS 5.0 to 5.2

To:	Xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-users] Re: Upgrading xen from CentOS 5.0 to 5.2
From:	"Alain Barthe" <ab266061@xxxxxxxxx>
Date:	Wed, 20 Aug 2008 15:43:53 +0200
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2008/8/20 Alain Barthe <ab266061@xxxxxxxxx>

Live migration from 5.0 to 5.2 is OK, but not 5.2 to 5.0. In this case, all looks like fine on the from dom0, but the domU never appears on the target dom0, with the following error in the logs:

[2008-08-20 09:40:57 xend 23799] INFO (XendCheckpoint:239) Reloading memory pages: 0%
[2008-08-20 09:41:02 xend 23799] INFO (XendCheckpoint:239) Error when reading region pfn types: 14
[2008-08-20 09:41:02 xend 23799] INFO (XendCheckpoint:239) Restore exit with rc=1
(...)

Thanks for the information, Sadique.

Concerning my problem, I tried to save the domU from a dom0 to a shared location, then restore it on the other dom0. I have exactly the same behaviour, same error.

Should I understand that the way the memory is saved on COS 5.0 is not compatible with the one on COS5.2 ?

Thanks for your replies.

Alain.

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[Xen-users] Re: Upgrading xen from CentOS 5.0 to 5.2