Date: Thu, 12 Jun 2014 14:28:33 -0700 From: hiren panchasara <hiren.panchasara@gmail.com> To: Eric Neblock <cen5848@louisiana.edu> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, Ian Smith <smithi@nimnet.asn.au> Subject: Re: Missing: hw.acpi.thermal.tz%d._HOT Message-ID: <CALCpEUEFmg4twoiDC1czEAXOanmLbR9DarvRcg9h8o=Xc3dwjg@mail.gmail.com> In-Reply-To: <1402414819.17836.2.camel@canpc36.cacs.louisiana.edu> References: <1402412054.2426.13.camel@canpc36.cacs.louisiana.edu> <20140611011810.V10629@sola.nimnet.asn.au> <1402414819.17836.2.camel@canpc36.cacs.louisiana.edu>
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On Tue, Jun 10, 2014 at 8:40 AM, Eric Neblock <cen5848@louisiana.edu> wrote: > On Wed, 2014-06-11 at 01:33 +1000, Ian Smith wrote: >> On Tue, 10 Jun 2014 09:54:14 -0500, Eric Neblock wrote: >> > Hello all, >> > I'm trying to figure out what is the _HOT temperature on my particular >> > processor. I'm running FreeBSD 10 GENERIC on a Sunfire X2200. >> > >> > The processor is an Dual Core AMD Opteron 2218. >> > >> > In the GENERIC kernel, acpi is built in; so, kldload acpi fails. I've >> > also loaded the amdtemp module at boot time to figure out what the >> > current temp of the processor is. >> > >> > With all of that, when performing `sysctl -a` I never seem to be able to >> > pull up the _HOT value. >> > >> > Are there any suggestions on how to be able to view it? >> >> Many thermal zones seen, including some CPUs, don't specify any _HOT >> value, just _PSV and _CRT, which should trigger passive cooling (eg >> clock slowing or throttling) and emergency shutdown, respectively. >> >> What says 'sysctl hw.acpi.thermal' ? >> >> cheers, Ian > > The result is as follows: > > sysctl: Unknown oid 'hw.acpi.thermal' : No such file or directory Similar thing here at home desktop running -CURRENT: CPU: AMD FX(tm)-8350 Eight-Core Processor (4000.24-MHz K8-class CPU) Origin="AuthenticAMD" Id=0x600f20 Family=0x15 Model=0x2 Stepping=0 acpi0: <7596MS A7596100> on motherboard Other related bits: # sysctl hw.acpi hw.acpi.supported_sleep_state: S3 S4 S5 hw.acpi.power_button_state: S5 hw.acpi.sleep_button_state: S3 hw.acpi.lid_switch_state: NONE hw.acpi.standby_state: NONE hw.acpi.suspend_state: S3 hw.acpi.sleep_delay: 1 hw.acpi.s4bios: 0 hw.acpi.verbose: 0 hw.acpi.disable_on_reboot: 0 hw.acpi.handle_reboot: 0 hw.acpi.reset_video: 0 hw.acpi.cpu.cx_lowest: C8 # # sysctl dev.amdtemp dev.amdtemp.0.%desc: AMD CPU On-Die Thermal Sensors dev.amdtemp.0.%driver: amdtemp dev.amdtemp.0.%parent: hostb4 dev.amdtemp.0.sensor_offset: 0 dev.amdtemp.0.core0.sensor0: 15.3C # sysctl -a dev.cpu | grep temp dev.cpu.0.temperature: 15.2C dev.cpu.1.temperature: 15.2C dev.cpu.2.temperature: 15.2C dev.cpu.3.temperature: 15.2C dev.cpu.4.temperature: 15.2C dev.cpu.5.temperature: 15.2C dev.cpu.6.temperature: 15.2C dev.cpu.7.temperature: 15.2C I am not sure how this ^ relates to what acpi reports under thermal. Cheers, Hiren
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