[Bug 231760] FreeBSD 12.0-ALPHA7 Installations Halts at ACPI on 4 different AMD Ryzen Laptops (HP, DELL, Huawei)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231760

Evilham <contact at evilham.com> changed:

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--- Comment #20 from Evilham <contact at evilham.com> ---
Hello, I'm running FreeBSD on a ThinkPad A485, which is very likely affected by
this (also an AMD Ryzen CPU).

I am able to boot with hw.pci.mcfg=0 as mentioned on this bug (that saved me
having to migrate again to another OS).

And the system works quite alright, except that sometimes there is a "spin lock
held too long" panic, I'm documenting that in this bug and there are coredumps
as attachments:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239351

Could it be that that is a duplicate of this bug?


Also: I'm happy to test patches related to this bug both in CURRENT and
12-RELEASE.

Thank you!

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