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Re: [Xen-devel] [Bug 1759] Xen 4.0.1 live migration/restore over-writes
| To: | Tim M <bugs@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [Bug 1759] Xen 4.0.1 live migration/restore over-writes new hypervisor's boot-time record |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Wed, 13 Apr 2011 21:00:42 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 13 Apr 2011 13:01:51 -0700 |
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| Thread-topic: | [Xen-devel] [Bug 1759] Xen 4.0.1 live migration/restore over-writes new hypervisor's boot-time record |
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On 13/04/2011 20:31, "Tim M" <bugs@xxxxxxxxxxxxxx> wrote: > Next I initiated a live migration and this is what the output of the command > looks like (with commentary added): > > Wed Apr 13 12:07:48 PDT 2011 > Wed Apr 13 12:07:53 PDT 2011 > Wed Apr 13 12:07:58 PDT 2011 > Wed Apr 13 12:08:03 PDT 2011 [ migration happens here and SSH to the guest > "freezes" for about 6 min ] > Wed Apr 13 12:13:55 PDT 2011 > Wed Apr 13 12:14:00 PDT 2011 > Wed Apr 13 12:14:05 PDT 2011 Looks like the wallclock is correct after the migration however, and it's that that the patch you referred to was fixing. > I have only tried Ubuntu 10.04.2 guests running the 2.6.32 and 2.6.35 server > kernel packages but, as mentioned, this happens every time. I think this is a domU kernel bug, see a similar report here for example: http://lists.xensource.com/archives/html/xen-devel/2010-10/msg00057.html So it could be a common symptom in a range of Debian/Ubuntu kernels. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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