From mboxrd@z Thu Jan  1 00:00:00 1970
From: Diana Crisan <dcrisan@flexiant.com>
Subject: Re: HVM Migration of domU on Qemu-upstream DM causes
 stuck system clock with ACPI
Date: Mon, 03 Jun 2013 15:01:42 +0100
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> Right -- it seems to be working for me too.  I'm on migrate #52, and 
> there hasn't been a single warning from Linux's clock code about 
> increasing min_delay.
>
> Diana / Alex: It looks like we might have a work-around for you. 
> Diana, would it be possible for you to do the following:
>  1. Add tsc_mode="native_paravirt" to your config file
>  2. Try it again localhost migrate to see if you run into any problems
>  3. Try it again migrating between machines, just to make sure we've 
> solved the important problem

This seems to fix migration for us too.
I have tested your two scenarios and also within our code and I can 
confirm the problem did not reappear yet.
I will continue to test throughout the next couple of days and I will 
update if anything comes up.

Thank you for your help,
Diana