Date: Tue, 13 Nov 2018 20:38:00 -0800 From: Conrad Meyer <cem@freebsd.org> To: Rebecca Cran <rebecca@bluestop.org> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: No amdtemp sysctls, acpi errors, AMD Ryzen 5 2400G Message-ID: <CAG6CVpWMXgYSc9_RcRyQ0LRHRCoNcwaRKdRd37v1uasP6TuvdA@mail.gmail.com> In-Reply-To: <2418724.ffieBuXMo3@photon.int.bluestop.org> References: <Pine.GSO.4.64.1811131259350.27287@sea.ntplx.net> <2898686.bT80LyP3VS@photon.int.bluestop.org> <CAG6CVpX8LX%2B5c7Vrmvxs2Q1M6GH-j5zk=kRAsirA9teiYrCFJw@mail.gmail.com> <2418724.ffieBuXMo3@photon.int.bluestop.org>
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On Tue, Nov 13, 2018 at 8:29 PM Rebecca Cran <rebecca@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
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