Ryzen lockup on bhyve was (Re: new Ryzen lockup issue ?)
grehan at freebsd.org
Sun Feb 25 17:51:45 UTC 2018
(moving this to -virtualization)
> Actually I can confirm the same sort of hard lockup happens on my Epyc
> board with RELENG11. It also happens in current. I will file a PR and
> post on freebsd-current in case someone has any suggestions on how to
> try and figure out whats going on.
I could reproduce this on a Ryzen 1700 with HT enabled - it took ~700
seconds, and the entire machine locked up.
An interesting point is a single VM was able to run to completion.
I'll keep testing with various combinations of numbers of VMs,
different vCPUs per VM, and pinning guest vCPUs.
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