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Re: [Xen-devel] [PATCH] Handle older Xen save files where arbytes are in
| To: | John Levon <levon@xxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Handle older Xen save files where arbytes are in the wrong format. |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 12 Feb 2009 18:41:21 +0000 |
| Cc: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, "Keir.Fraser@xxxxxxxxxxxx" <Keir.Fraser@xxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx> |
| Delivery-date: | Thu, 12 Feb 2009 10:41:50 -0800 |
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| Thread-index: | AcmNPpmk8Yq2xZ2cRp6vrhiKT/YaZQAAuX2y |
| Thread-topic: | [Xen-devel] [PATCH] Handle older Xen save files where arbytes are in the wrong format. |
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On 12/02/2009 18:20, "John Levon" <levon@xxxxxxxxxxxxxxxxx> wrote: >>> What happens with a new-format image on an old Xen? >> >> Doesn't work > > Sure, but doesn't work how? There's a world of difference between > "crashes mysteriously" and "useful error message". Mmm.. Most of the changes will cause restore failure rather than apparently successful restore but you end up with a broken guest. I suppose this segmentation change may act like the latter. I don't think there's been much conscious effort to make new-on-old fail cleanly though. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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