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

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

--- Comment #34 from Eirik Oeverby <ltning-freebsd@anduin.net> ---
(In reply to John Baldwin from comment #33)
I can confirm that the performance problems here are absolutely crippling. I
honestly assumed this was cleared up by now, but I haven't installed new
machines with any significant core counts for a while, so I have not been
bitten by it.

Can we just Get This Done? The defaults *will* make any new-ish (last 5 years,
at least) AMD machine grind to a halt if it has more than a couple of disks and
uses GELI.

I'd think we would rather want to have have suboptimal (but not
machine-hanging) performance on Intel over an absolute train crash on AMD as
the out-of-the-box experience.

/Eirik

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