[Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen...

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399

--- Comment #268 from Mark Millard <markmi at dsl-only.net> ---
Just an FYI example about the hangups:

I'm aware of one example of someone with a
Ryzen 7 that was not having any of the hangup
problems until a BIOS update problem caused
a motherboard replacement (with the same
type of motherboard).

Same CPU, same low end video card, same memory,
same power supply, same pair of M.2 NVMe SSDs,
nothing else added or removed: just the
motherboard change.

And the result was a fairly rare example of the
hangup problem: screen goes blank, lights on
usb keyboard and mouse go off, ethernet
communication stops. But the motherboard
lights keep on updating like normal. Examples
include it happening while the system is
basically idle from a user point of view.

The context was a Windows 10 Pro installation,
not FreeBSD.

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