Re: acpi_tz0: _CRT value is absurd, ignored (256.0C) (was pr kern/105537)

[Chris Whitehouse <cwhiteh_(_at_)_onetel_(_dot_)_com>]

Ian Smith wrote:

>  > >                     If (\_OSI ("Windows 2001"))
>  > >                     {
>  > >                         Store (0x04, C014)
>  > >                     }
>  > > 
>  > >                     If (\_OSI ("Windows 2001 SP1"))
>  > >                     {
>  > >                         Store (0x04, C014)
>  > >                     }
>  > > 
>  > >                     If (\_OSI ("Windows 2001 SP2"))
>  > >                     {
>  > >                         Store (0x05, C014)
>  > >                     }
>  > > 
>  > >                     If (\_OSI ("Windows 2006"))
>  > >                     {
>  > >                         Store (0x06, C014)
>  > >                     }
>  > > 
>  > > Chris, you should be able to set hw.acpi.osname=<pick one from the
>  > > above> in loader.conf and see if things improve somewhat. Note that
>  > > "Windows 2001" and "Windows 2001 SP1" are identical.
>  > 
>  > sysctl says it is an unknown oid
>
> Try adding it to loader.conf and rebooting.

Nope still unknown oid. But in view of other progress I don't think that
matters, at least for me.


> Quacks like a CPU0.  This one triggers passive cooling.  Its temperature 
> values are generally 2-3C lower than the (eyeball) average of coretemp 
> values, except when heating up fast, when it lags the latter by 5-6C.
>
> I don't know where these various sensors live.  Board?  Package?  Die?
>
>  > hw.acpi.thermal.tz2.temperature: 43.0C
>  > hw.acpi.thermal.tz2.active: -1
>  > hw.acpi.thermal.tz2.passive_cooling: 0
>  > hw.acpi.thermal.tz2.thermal_flags: 0
>  > hw.acpi.thermal.tz2._PSV: -1
>  > hw.acpi.thermal.tz2._HOT: -1
>  > hw.acpi.thermal.tz2._CRT: 105.0C
>  > hw.acpi.thermal.tz2._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
>  > hw.acpi.thermal.tz2._TC1: 1
>  > hw.acpi.thermal.tz2._TC2: 2
>  > hw.acpi.thermal.tz2._TSP: 300
>
> CPU1.  From the messages it appears that burnk7 ran on just CPU0 (tz1).

For some of the time I was running one instance of burnK7, other times 2
instances. I just tested and 2 instances does run on both cores.


>  > fetch www.fishercroft.plus.com/messages.gz
>  > 
>  > will get bits of /var/log/messages with the normal startup messages and the
>  > output of
>  > 
>  > #!/bin/sh
>  > while [ TRUE ]; do
>  > logger \
>  > ` sysctl -n dev.cpu.0.temperature ; sysctl -n dev.cpu.1.temperature ; \
>  > sysctl -n hw.acpi.thermal.tz0.temperature ; sysctl -n
>  > hw.acpi.thermal.tz0.active ; sysctl -n  hw.acpi.thermal.tz0._CRT ; \
>  > sysctl -n hw.acpi.thermal.tz1.temperature ; sysctl -n
>  > hw.acpi.thermal.tz1.active ; sysctl -n  hw.acpi.thermal.tz1._CRT ; \
>  > sysctl -n hw.acpi.thermal.tz2.temperature ; sysctl -n
>  > hw.acpi.thermal.tz2.active ; sysctl -n  hw.acpi.thermal.tz2._CRT ; \
>  > sysctl -n hw.acpi.thermal.tz3.temperature ; sysctl -n
>  > hw.acpi.thermal.tz3.active ; sysctl -n  hw.acpi.thermal.tz3._CRT ; \
>  > sysctl -n hw.acpi.thermal.tz4.temperature ; sysctl -n
>  > hw.acpi.thermal.tz4.active ; sysctl -n  hw.acpi.thermal.tz4._CRT `
>  > sleep 5
>  > done
>  > 
>  > (sorry bad wrapping)
>
> Good data.  I don't know if it helps track the ASL re $subject though.
>
>  > The two cpu temps come from coretemp.ko module.
>
> These I don't get.  They always track a few degrees above tz1 value, but 
> rarely differ by more than 2C, while your burnk7 run showed CPU0 getting 
> much hotter than CPU1, which only slowly rose during the run, indicating 
> sympathetic package warming with an essentially idle CPU1, perhaps?

Do you mean TZ1 gets much hotter than TZ2? When I ran 2 instances of 
burnk7 one ran on each cpu (viewed in top). When I ran a single instance 
the on-die temps in the first two columns still tracked each other. Also 
this machine is running KDE which is always doing something which blurs 
the figures a bit.

I put messages2 next the previous one, I think it shows that tz2 is not 
cpu1 even if tz1 is measuring cpu temp somehow. dev.cpu.n.temperature 
columns are the on-die temps. Those oids are only visible when coretemp 
is loaded, I don't know if the ASL is using those temperature probes.

Chris

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