Date: Wed, 14 Nov 2018 00:20:22 +0100 From: Stefan Ehmann <shoesoft@gmx.net> To: cem@freebsd.org Cc: Daniel Eischen <deischen@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: No amdtemp sysctls, acpi errors, AMD Ryzen 5 2400G Message-ID: <6df81264-5e82-2eef-abc0-53d27d5cfee0@gmx.net> In-Reply-To: <CAG6CVpVacUOJe%2B19DHbyYQkg8CJWq3QuZCeaQWc6PQxRwmAMGQ@mail.gmail.com> References: <Pine.GSO.4.64.1811131259350.27287@sea.ntplx.net> <1542138631.2638.0@smtp.migadu.com> <Pine.GSO.4.64.1811131456130.27826@sea.ntplx.net> <e83fd549-a647-546c-3fe9-b361bb725601@gmx.net> <CAG6CVpVacUOJe%2B19DHbyYQkg8CJWq3QuZCeaQWc6PQxRwmAMGQ@mail.gmail.com>
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On 11/13/18 10:14 PM, Conrad Meyer wrote: > On Tue, Nov 13, 2018 at 1:04 PM Stefan Ehmann <shoesoft@gmx.net> wrote: >> After kldload amdtemp I see the following sysctls: >> dev.cpu.0.temperature: 77.1C >> dev.amdtemp.0.core0.sensor0: 77.1C >> >> The temperature I see in BIOS is much lower (maybe around 40.0C). Don't >> know if just the offset is wrong or the numbers are completely bogus. >> >> Numbers from sysutils/xmbmon look saner but not sure if they are correct. > > You can adjust dev.amdtemp.N.sensor_offset as needed. By default, the > amdtemp sysctl gives you the unadjusted value. On different Ryzen > models the raw value is wrong by different amounts. E.g. on my 1950X, > I have sensor_offset set to "-27" to show correct temperature > readings. > > See this link for a table of offset values for various Ryzen models: > https://www.guru3d.com/articles-pages/amd-ryzen-7-2700-review,7.html Thanks for the link. The 2700 has an offset of 0 though (2700X has 10). And I'm seeing a difference of more than 30 degrees. I guess something else must be happening here.
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