[Bug 296001] hwpmc: panic: [amd,526] pmc6,cpu15: Starting active PMC "K8-L3-0"

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 11 Jun 2026 17:25:57 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296001

--- Comment #2 from Alan Somers <asomers@FreeBSD.org> ---
(In reply to Mitchell Horne from comment #1)
It's not known.  I'm a hwpmc n00b.  All I know is that I can reproduce it at
versions 50caa0ea0c16, c289291a673, and with the code in the hwpmc-badbios PR
that you linked.

FWIW, my motherboard is an ASRockRack X570D4U-2L2T and my BIOS is AMI P1.30 .

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