Date: Fri, 1 Sep 2023 14:23:36 +0000 From: Gary Jennejohn <garyj@gmx.de> To: current@freebsd.org Subject: Re: FreeBSD-15 kernel panic when the amdtemp device is in the kernel Message-ID: <20230901162336.542a1b91@ernst.home> In-Reply-To: <20230901130314.460f91bf@ernst.home> References: <20230901130314.460f91bf@ernst.home>
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On Fri, 1 Sep 2023 11:03:14 +0000 Gary Jennejohn <garyj@gmx.de> wrote: > 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=3D20221102= #p01 > Differential Revision: https://reviews.freebsd.org/D41049 > Now that I look at the date of my FreeBSD-14 kernel I see that it's from August 13, so this commit is perhaps not the cause of my FreeBSD-15 kernel panicking at boot time, since FBSD-14 boots OK. Nonetheless, amdtemp or maybe amdsmn seems to be related. =2D- Gary Jennejohn
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