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Date:      Tue, 6 Nov 2018 11:58:18 -0500
From:      Zaphod Beeblebrox <zbeeble@gmail.com>
To:        mjoras@freebsd.org
Cc:        rebecca@bluestop.org, FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: Threadripper Thermal strangeness.
Message-ID:  <CACpH0MfRA668zX16XQjOGcUL_6r=EWoYNgBjM_V87_wy7uDM4A@mail.gmail.com>
In-Reply-To: <CADdTf%2Bh2uU=zgmSDbOG%2BJAX9OLc1nG_gRAHmKh-S4Uo-NWNvKQ@mail.gmail.com>
References:  <CACpH0MdACWACn2_uO_S47nzKY174aeFq516FJdqkcxM_NMiCAw@mail.gmail.com> <1952737.4WAli8B44Z@photon.int.bluestop.org> <CADdTf%2Bh2uU=zgmSDbOG%2BJAX9OLc1nG_gRAHmKh-S4Uo-NWNvKQ@mail.gmail.com>

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1. Wouldn't it make sense to integrate this information in amdtemp.ko?
2. isn't sensor offset an item in the sysctl output of amdtemp.ko ... and
it's value is 0 for me.

On Mon, Nov 5, 2018 at 6:45 PM Matt Joras <mjoras@freebsd.org> wrote:

> You have to use the sensor_offset to get the actual value at the die.
> I believe for all Threadripper chips the offset is -27C.
>
> Matt
> On Mon, Nov 5, 2018 at 3:14 PM Rebecca Cran via freebsd-hackers
> <freebsd-hackers@freebsd.org> wrote:
> >
> > On Monday, 5 November 2018 14:23:22 MST Zaphod Beeblebrox wrote:
> >
> > > kldloading "amdtemp.ko" reports an idle temp of 55C or so and heavy
> > > compiling (make world -j32) reports temperatures as high as 95C ...
> upto
> > > and including some instability and/or crash or rebooting.
> >
> > I have a new Threadripper 2990WX in an ASUS motherboard - and mine just
> > reports ridiculous values:
> >
> > % sysctl dev.amdtemp | grep sensor
> > dev.amdtemp.3.core0.sensor0: 112.6C
> > dev.amdtemp.3.sensor_offset: 0
> > dev.amdtemp.2.core0.sensor0: 113.5C
> > dev.amdtemp.2.sensor_offset: 0
> > dev.amdtemp.1.core0.sensor0: 111.7C
> > dev.amdtemp.1.sensor_offset: 0
> > dev.amdtemp.0.core0.sensor0: 114.5C
> > dev.amdtemp.0.sensor_offset: 0
> >
> > --
> > Rebecca
> >
> >
> > _______________________________________________
> > freebsd-hackers@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> > To unsubscribe, send any mail to "
> freebsd-hackers-unsubscribe@freebsd.org"
>



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