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Re: [Xen-users] domain reboots after migrating between hosts
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-users] domain reboots after migrating between hosts |
| From: | Javier Guerra <javier@xxxxxxxxxxx> |
| Date: | Thu, 25 Jan 2007 13:51:17 -0500 |
| Delivery-date: | Thu, 25 Jan 2007 10:51:36 -0800 |
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| In-reply-to: | <200701251651.35916.mark.williamson@xxxxxxxxxxxx> |
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On Thursday 25 January 2007 11:51 am, Mark Williamson wrote: > There has occasionally been talk of either adding checks in the tools to > prevent this kind of migration from being allowed, or a means to request > that a domain's kernel will use the "lowest common demoninator" instruction > set. So far, I don't think this has happened, though :-( you can compile the guest kernel for i386, and i have some faint memories about turning off runtime optimisations; but i wouldn't be surprised if there are some extra 'tunings' that happen at boottime when it detects an 'advanced' CPU. also, several libraries select optimised code at application launcthime, (most media codecs, for instance) -- Javier
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