Re: kernel 5.4.6 + Ryzen 3700X: "Can't display frequency and others of Ryzen7 3700X"

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hi,

On 12/23/19 9:28 PM, Guenter Roeck wrote:
> In the specific issue referenced above, it appears that a Nuvoton NCT6796D
> was detected but not instantiated. Most likely the problem is that the IO address
> range necessary to access the chip is reserved by the BIOS. Looking into the
> kernel log would reveal that information. Again, that has nothing to do with
> support for the CPU installed on the board, but with the board vendor and,
> to a substantial degree, the lack of support for Linux by that board vendor.

not sure if this is of note,

 superiotool --dump
  superiotool r
  No Super I/O found

I've contacted Asus tech re: BIOS 'gotchas' that might be interfering; I'll pass on your comments.  So far, on other issues, they've been very cooperative/helpful; we'll see how this goes.

As for the kernel log, anything specific to look for, share here?  Or just grab & post the whole thing somewhere?

> If you think something is missing that should be displayed by k10temp,
> if you have documentation from AMD describing the necessary registers to
> obtain this information, and if you have permission from AMD to publish
> it, please feel free to submit a patch adding it to the k10temp driver.
> Please make sure that the additional information follows the hardware
> monitoring ABI (specifically, CPU frequencies are not part of that ABI).

Not entirely sure on the 'should' of it ... yet.

I _can_ say that, currently, for the 'new' setup, the limited info with 'k10temp' is

(1) ASUSTeK PRIME X570-PRO mobo + Ryzen7 3700X

	sensors
		k10temp-pci-00c3
		Adapter: PCI adapter
		Tdie:         +59.9°C  (high = +70.0°C)
		Tctl:         +59.9°C


and for an older board/cpu, also with 'k10temp', it's

(2) Asus M3A78-CM with a non-Ryzen, AMD Phenom II

	sensors
		k10temp-pci-00c3
		Adapter: PCI adapter
		temp1:        +42.9°C  (high = +70.0°C)
		                       (crit = +99.5°C, hyst = +97.5°C)

		atk0110-acpi-0
		Adapter: ACPI interface
		Vcore Voltage:       1.02 V  (min =  +0.85 V, max =  +1.60 V)
		 +3.3 Voltage:       3.23 V  (min =  +2.97 V, max =  +3.63 V)
		 +5 Voltage:         4.86 V  (min =  +4.50 V, max =  +5.50 V)
		 +12 Voltage:       12.04 V  (min = +10.20 V, max = +13.80 V)
		CPU FAN Speed:     2789 RPM  (min =  600 RPM, max = 7200 RPM)
		CHASSIS FAN Speed:    0 RPM  (min =  600 RPM, max = 7200 RPM)
		POWER FAN Speed:      0 RPM  (min =  600 RPM, max = 7200 RPM)
		CPU Temperature:    +44.0°C  (high = +60.0°C, crit = +95.0°C)
		MB Temperature:     +34.0°C  (high = +45.0°C, crit = +95.0°C)



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