[Bug 276731] amdtemp does not detect AMD Ryzen 9 7950X3D

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 30 Jan 2024 14:38:28 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276731

--- Comment #6 from Robert Schulze <rs@bytecamp.net> ---
Verbose boot offered the following:

amdtemp0: <AMD CPU On-Die Thermal Sensors> on hostb0
amdtemp0: No SMN device found
device_attach: amdtemp0 attach returned 6

After reversal and applying the patch from comment #5 (which touches amdsmn.c,
too), the sysctls get properly populated:

# sysctl dev.amdtemp
dev.amdtemp.0.ccd1: 28.1C
dev.amdtemp.0.ccd0: 28.2C
dev.amdtemp.0.core0.sensor0: 38.5C
dev.amdtemp.0.sensor_offset: 0
dev.amdtemp.0.%parent: hostb0
dev.amdtemp.0.%pnpinfo: 
dev.amdtemp.0.%location: 
dev.amdtemp.0.%driver: amdtemp
dev.amdtemp.0.%desc: AMD CPU On-Die Thermal Sensors
dev.amdtemp.%parent: 

Thank you very much!

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