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re: nothing contributing entropy in Xen domUs? or dom0!!!

> In this particular example server it's in a Dell R510 with a pair of
> 6-core E5645 CPUs that "cpuid" shows the following for (in the dom0):

this is a westmere-ep CPU, which does not support rdseed
or rdrand.  rdrand appeared in ivybridge (2 generations
later, with sandybridge in the middle.)

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