Re: [XenPPC] xm restore: xc_get_pfn_list() returns bogus mfns

[Jimi Xenidis <jimix@xxxxxxxxxxxxxx>]

As I look at the x86 libxc/xc_linux_restore.c they seem to be  
performing all the stuff we are looking for.
It seems like an odd disconnect. I wonder if some of what we have in  
initDomain should actually be in vm.construct()?!
-JX
On Oct 16, 2006, at 11:07 AM, poff wrote:

> > Dan, we assumed that xend built a domain shell before the restor
> > process, is this not the case.
> The restore code does not call initDomain(), so allocMem() is never  
> run:
> If I change restore to include initDomain(), then good mfns showup...
> Uncomfortable with this 'hack' - don't know where initDomain() came  
> from,
> and why it was omitted from restore code?
>
>
> XendDomainInfo.py:
> def create(config):
>     """Create a VM from a configuration.
>
>     @param config    configuration
>     @raise: VmError for invalid configuration
>     """
>
>     log.debug("XendDomainInfo.create(%s)", config)
>
>     vm = findDomainClass()(parseConfig(config))
>     try:
>         vm.construct()
>         vm.initDomain()
>         vm.storeVmDetails()
>         vm.storeDomDetails()
>         vm.registerWatches()
>         vm.refreshShutdown()
>         return vm
>     except:
>         log.exception('Domain construction failed')
>         vm.destroy()
>         raise
>
> def restore(config):
>     """Create a domain and a VM object to do a restore.
>
>     @param config: domain configuration
>     """
>
>     log.debug("XendDomainInfo.restore(%s)", config)
>
>     vm = findDomainClass()(parseConfig(config), None, None, False,  
> False, True)
>     try:
>         vm.construct()
>         vm.storeVmDetails()
>         vm.createDevices()
>         vm.createChannels()
>         vm.storeDomDetails()
>         vm.endRestore()
>         return vm
>     except:
>         vm.destroy()
>         raise
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