High cpu temperature and fan when loading i195 kernel module
calicant at gmail.com
Mon Jun 12 09:28:42 PDT 2017
2017-06-12 10:39 GMT+02:00 Francois Tigeot <ftigeot at wolfpond.org>:
> Thanks Luca!
> With the help of dillon@, I noticed the first core of my Skylake laptop was
> being pegged by acpi interrupts:
> [systat -pv 1 output]
> timer ipi extint user% sys% intr% idle% smpcol
> cpu0 238 11 25316 0.0 51.1 48.1 0.8 0
> [vmstat -i output]
> interrupt total rate
> acpi0 89216043 23348
> Setting a much lower treshold for misbehaving interrupts made the laptop
> usable. These are the sysctls I used:
> It's far from perfect though and power usage is still excessive; I'll try
> to learn more about the acpi subsystem in order to find out what exactly
> is going wrong here.
thank you, I'll try soon.
I was also wandering if this fix:
could mitigate those powersaving issues.
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