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Re: nothing contributing entropy in Xen domUs? (causing python3.7 rebuild to get stuck in kernel in "entropy" during an "import" statement)

On Wed, Mar 31, 2021 at 11:24:07AM +0200, Manuel Bouyer wrote:
> On Tue, Mar 30, 2021 at 10:42:53PM +0000, Taylor R Campbell wrote:
> > 
> > There are no virtual RNG devices on the system in question, according
> > to the quoted `rndctl -l' output.  Perhaps the VM host needs to be
> > taught to expose a virtio-rng device to the guest?
> There is no such thing in Xen.

Is the CPU so old that it doesn't have RDRAND / RDSEED, or is Xen perhaps
masking these CPU features from the guest?


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