@Matt: Since you're farily certain that this is specific to Ubuntu, then
I hope Ubuntu's Nova package maintainers will take a look. . .
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https://bugs.launchpad.net/bugs/1439
Matt, you're right, allow me to correct myself below. Short: I still
cannot reproduce it.
I just tested it below in a Single node DevStack with today's Nova
git with the Nova instance being QEMU emulated, but I cannot reproduce
the said failure in this bug description.
Test environment
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Yes, to test CPU pinning/NUMA with libvirt you ought to use Nested KVM.
Please report results after testing with that.
That said, some notes below.
Quoting Dan Berrange from a different review with a complete response on
*why*:
It is fundamentally impossible to test CPU pinning with TCG (aka
