Date: Wed, 21 Sep 2016 14:13:09 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: Jared McNeill <jmcneill@invisible.ca> Cc: arm@freebsd.org Subject: Re: ALL WINNER high temp. stop Message-ID: <7BFD291A-E619-4DE4-9BBB-C1F40E81F12A@cs.huji.ac.il> In-Reply-To: <alpine.DEB.2.11.1609210745050.641@dis.invisible.ca> References: <B11041B2-0EDD-4E20-8684-CB471C17D81B@cs.huji.ac.il> <20160917171911.a2ec80da747ba373ba3d1b4a@bidouilliste.com> <5ADFE16E-FD60-45B1-8CF1-6FFC10BABBDE@cs.huji.ac.il> <20160917195544.a2a8bbdb113029700fa7642d@bidouilliste.com> <588E44BB-40BF-40B8-9C5A-BA025AB87E00@cs.huji.ac.il> <alpine.DEB.2.11.1609180930230.641@dis.invisible.ca> <4F7891B0-FBD7-451C-BA42-50F872804C95@cs.huji.ac.il> <08E5651B-A28E-4BE8-803B-650CD2434979@cs.huji.ac.il> <01D85517-15ED-46FF-8C11-5A774EC1262F@cs.huji.ac.il> <alpine.DEB.2.11.1609210745050.641@dis.invisible.ca>
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> On 21 Sep 2016, at 13:49, Jared McNeill <jmcneill@invisible.ca> wrote: >=20 > CPU frequency scaling is supported now. Have you added operating = points to the dts? Without a heatsink or fan, you need to set a = reasonable set of operating points. >=20 > 64C does seem quite low, the thermal driver uses the power-on default = temperature for the shutdown temperature though (which should be > = 100C). >=20 > Are you sure you are using the correct compat string for the thermal = driver in your dts? Different SoCs use a different formula for reading = the temperature. I=E2=80=99m using what you sent me :-) = https://github.com/jaredmcneill/freebsd/blob/allwinner-h3/sys/boot/fdt/dts= /arm/orangepi-plus-2e.dts#L12 = <https://github.com/jaredmcneill/freebsd/blob/allwinner-h3/sys/boot/fdt/dt= s/arm/orangepi-plus-2e.dts#L121> >=20 > Cheers, > Jared >=20 > On Wed, 21 Sep 2016, Daniel Braniss wrote: >=20 >> hi all, >> now that there is thermal control, trying to compile e.g. from ports >> portmaster, heats up the cpu, which somewhere around 64C >> decides to halt. >> Now, I remember some weeks ago, with a kernel version >> without the thermal stuff compiling python and all went ok, >> so >> Q: what is the thermal high water mark? >> Q: are the latest changes overheating the cpu, or is the thermal = driver over >> cautious? >>=20 >> danny >>=20 >>=20 >>=20
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