RE: [Xen-devel] hvm hibernate

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>]

> With the support of S4 sleep state (hibernate) for  HVM guests,  we now
> have a situation where the guest is resuming from hibernate while the
> hypervisor assumes that it is spinning up a new guest VM. And so, if
> the hypervisor maintains any guest specific state that needs to persist
> across a hibernate, there is no way to save and restore this state. I
> am running into this problem on win2k8 guests where the Hyperv shim has
> to maintain guest specific state that needs to persist across a
> hibernate.
> Given that we already support save/restore which is functionally
> equivalent to hibernate, do we need to support S4 sleep state?

It's needed for Microsoft WHQL logo tests.

Have you switched over to using the hyperv code in xen-unstable or are you 
using the original Novell code?

Ian 

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