[Bug 242747] geli: AMD Epyc+GELI not using Hardware AES

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242747

Eirik Oeverby <ltning-freebsd at anduin.net> changed:

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                 CC|                            |ltning-freebsd at anduin.net

--- Comment #17 from Eirik Oeverby <ltning-freebsd at anduin.net> ---
(In reply to Nick Evans from comment #16)

I recently got an EPYC Rome box to replace my old Nehalem, and while it's
screaming fast at just about anything I throw at it, system load frequently
hovers in the 30s (32/64 cores across 2 CPUs). There isn't any excessive IO
going on, and load on the old box was <<12 pretty much all the time. The old
box did not do GELI at all, the new one does - but again, there is no
significant I/O to speak of.

I did set threads to 2, but I saw no effect - I suppose a reboot is needed (and
this should go in loader.conf, correct?)

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