Re: No amdtemp sysctls, acpi errors, AMD Ryzen 5 2400G

On Tue, Nov 13, 2018 at 8:29 PM Rebecca Cran <rebecca_at_bluestop.org> wrote:
>
> On Tuesday, 13 November 2018 21:17:59 MST Conrad Meyer wrote:
>
> > Maybe it should be -54 instead of +54?  183-(54*2) is the somewhat
> > plausible 75?C (still pretty warm even for load).  How good is your
> > cooling solution?
>
> D'oh, of course it's -54 instead of +54 (For some reason I presumed a positive
> offset would be *subtracted*)!   I have an all-in-one liquid thermaltake
> cooler installed, and under Windows it reports reaching 67C when running flat
> out, which doesn't seem bad.

Yeah, 67C seems totally great at load.

> > (The references I can find with a quick search suggest TR 29xx should
> > also be -27? rather than -54?C, but they may be mistaken.  183-54-27
> > is still 102?C ? extremely hot!)
>
> That's why I thought 54 was more likely! My 2990WX has 4 units for 32 cores
> instead of 2 units and 16 cores for other models, so I guessed that perhaps I
> should double the 27 value other people had said should be used.

Hm, the Linux folks still use -27 for the 2990WX as well as all of the
other threadripper models.  I'm not sure what's right.  I wish I had
access to the Ryzen 2 register docs, but I don't.

Best,
Conrad