[NTLUG:Discuss] Temperature Triggers

[Gilbert Morrow]

There is a link to heat threshold within the body of the document, you can
also uninstall the program and stop it from shutting down as well, program
is not needed for OS to work.
On Sep 3, 2015 8:28 AM, "Stephen Davidson" <gorky at freenet.carleton.ca>
wrote:

> That seems to more for Fan Control, especially Thinkpads.  The only
> information on temperature I already had.
>
> Suggestions?
>
> Regards,
> Steve
>
> On 08/30/2015 11:17 AM, Gilbert Morrow wrote:
> >
> https://ask.fedoraproject.org/en/question/31514/how-to-change-cpu-temperature-thresholds-and-control-fan-speed/
> ,
> > found this with Google search. Might help.
> > On Aug 30, 2015 10:17 AM, "Stephen Davidson" <gorky at freenet.carleton.ca>
> > wrote:
> >
> >> Greetings.
> >>
> >> This is an older bios -- there are NO temperature settings, readings, or
> >> other temperature controls in the BIOS.
> >>
> >> Lm_sensors had some kind of "upgrade" at some point and now if a CPU
> >> temp (and/or GPU, depending on system capabilities) exceeds thresholds,
> >> it issues an "shutdown -h now" command to the OS.  For a 'modern' CPU,
> >> the thresholds are actually a bit on the high side.  For this particular
> >> line of CPUs, that threshold is low (for the parent or previous
> >> generation CPU, VERY low -- the threshold is just above it's normal IDLE
> >> temp of 85C!).
> >>
> >> There are a couple of processes that will run and load the CPU (one of
> >> which is the 'Up-to-date check'), and if they run long enough (or back
> >> to back), CPU will start approaching normal max temp (if memory serves,
> >> that's 99c on this system -- but it's been a while & HP's docs says
> >> 95c).  Air flow is good, and I've just disassembled and cleaned the
> >> system so all dust bunnies are removed -- and I did double check that
> >> the fans are running properly.
> >>
> >> Contents of 'sensors.d/laptop' file (note: when temp1_input ==
> >> temp1_crit, 'shutdown -h now' gets issued by a daemon for lm_sensors);
> >>
> >> chip "acpitz-virtual-0"
> >>    compute temp1 @+10, at +10
> >>
> >> Output:
> >> steve at sda64 ~ $ sensors -u
> >> acpitz-virtual-0 Adapter:
> >> Virtual device temp1:
> >>     temp1_input: 60.000
> >>     temp1_crit: 100.000
> >>
> >> k8temp-pci-00c3
> >> Adapter: PCI adapter
> >> Core0 Temp:
> >>     temp1_input: 44.000
> >>
> >> Without the sensors.d file;
> >> steve at sda64 ~ $ sensors -u
> >> acpitz-virtual-0 Adapter:
> >> Virtual device temp1:
> >>     temp1_input: 50.000
> >>     temp1_crit: 90.000
> >>
> >> k8temp-pci-00c3
> >> Adapter: PCI adapter
> >> Core0 Temp:
> >>     temp1_input: 44.000
> >>
> >> I need to be able to raise the temp1_crit to at least 95 (preferably 97)
> >> w/o also raising the temp1_input value.  Unfortunately, I found in my
> >> experiments that only the first @+10 is getting used in that compute
> >> line.  So, what did I miss in the documents for lm_sensors on this, or
> >> who do I need to contact to get this looked into?
> >>
> >> Regards,
> >> Steve
> >>
> >> On 08/27/2015 04:38 PM, Gilbert Morrow wrote:
> >>> BIOS controls the CPU temperature threshold, OS uses it to determine
> >>> readings.
> >>> I use to overclock a lot in the past, I used water cooling for the old
> >> game
> >>> boxes. I still have one for an old AMD processor, radiator, fan, and
> >>> heatsink water block.
> >>> On Aug 27, 2015 3:09 PM, "Stephen Davidson" <gorky at freenet.carleton.ca
> >
> >>> wrote:
> >>>
> >>>> Greetings.
> >>>>
> >>>> I have an oldstyle AMD CPU, one of the first generations after the
> >>>> legendary "Cook an egg on it". (I tried Googling for one of the videos
> >>>> from that era, but no luck in the first couple of pages, sorry).
> >>>>
> >>>> Normal max operating temp is 95c, but the system does a protective
> >>>> shutdown at 90c.  I've tried modifying this in lm_sensors
> >>>> /etc/sensors.d, but so far no luck.  The current documentation seems
> to
> >>>> be not current with the current code.  I have an entry:
> >>>>
> >>>> compute temp1 @+10, at +10
> >>>>
> >>>> but it seems that:
> >>>>  - only the first @+10 is read and is used both for setting critical
> and
> >>>> adjusting display
> >>>>  - temp1 is now displaying 10c higher than other sensors.
> >>>>
> >>>> NOTE: There is generally a 5c temp difference between 'Core0' and
> Temp1,
> >>>> Temp1 being higher.
> >>>>
> >>>> Any suggestions?
> >>>>
> >>>> Regards,
> >>>> Steve
> >>>>
> >>>>
> >>>> _______________________________________________
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> >>>>
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