Date: Fri, 1 Sep 2023 11:03:14 +0000 From: Gary Jennejohn <garyj@gmx.de> To: current@freebsd.org Subject: FreeBSD-15 kernel panic when the amdtemp device is in the kernel Message-ID: <20230901130314.460f91bf@ernst.home>
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I have a laptop wioth a AMD Ryzen 5 and a tower with a AMD Ryzen 7 3700X.
These are respectively Zen 1 and Zen 2 CPUs.
I built a kernel on both computers using the FreeBSD-15 source tree.
If I include the amdtemp device in my kernel file BOTH computers end up
with a kernel panic while trying to attach the amdtemp device.
If I remove amdtemp both computers boot without any issues.
I suspect that this commit is the cause:
commit 323a94afb6236bcec3a07721566aec6f2ea2b209
Author: Akio Morita <akio.morita@kek.jp>
Date: Tue Aug 1 22:32:12 2023 +0200
amdsmn(4), amdtemp(4): add support for Zen 4
Zen 4 support, tested on Ryzen 9 7900
Reviewed by: imp (previous version), mhorne
Approved by: mhorne
Obtained from: http://jyurai.ddo.jp/~amorita/diary/?date=20221102#p01
Differential Revision: https://reviews.freebsd.org/D41049
--
Gary Jennejohn
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