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

[Jimi Xenidis <jimix@xxxxxxxxxxxxxx>]

On Oct 14, 2006, at 1:22 PM, poff wrote:

> 'restore' maps guest memory then reads the saved memory image from  
> disk.
> xc_get_pfn_list() provides mfns of guest memory, used for mapping  
> the guest pages.
> When using these mfns, the system crashes. Ki realized these mfns  
> are too small.
> Also when creating a new domain, the console prints message  
> whenever RMA is allocated;
> however, when restoring a domain, there is no RMA message...
>
> Looking through python code, RMA is created via allocMem, in  
> XenDomainInfo.py.
> However, allocMem is called only during initDomain for 'domain  
> creation'.
> 'domain recreation' does not invoke allocMem...
Dan, we assumed that xend built a domain shell before the restor  
process, is this not the case.
Are the hcalls we are missing, can you exactly describe the restore  
process as it is currently designed?
-JX




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