[mythtv-users] OT: How can I disable Thermal Throttling on a Pentium4

Anthony Giggins seven at seven.dorksville.net
Wed Oct 27 03:03:55 UTC 2010


I've been graphing the lm_sensors reading in cacti for a while now

http://seven.dorksville.net/gallery/v/Misc+Photos/mbtemp.png.html
http://seven.dorksville.net/gallery/v/Misc+Photos/temp1.png.html
http://seven.dorksville.net/gallery/v/Misc+Photos/temp3.png.html

http://seven.dorksville.net/gallery/v/Misc+Photos/temp1hourly.png.html

Oct 27 09:59:26 mythtv kernel: CPU0: Temperature/speed normal
Oct 27 09:59:26 mythtv kernel: CPU1: Temperature/speed normal
Oct 27 10:59:25 mythtv kernel: CPU0: Temperature above threshold, cpu clock
throttled (total events = 4924483)
Oct 27 10:59:25 mythtv kernel: CPU1: Temperature above threshold, cpu clock
throttled (total events = 4924483)
Oct 27 10:59:25 mythtv kernel: CPU0: Temperature/speed normal
Oct 27 10:59:25 mythtv kernel: CPU1: Temperature/speed normal
Oct 27 11:59:27 mythtv kernel: CPU1: Temperature above threshold, cpu clock
throttled (total events = 4925070)
Oct 27 11:59:27 mythtv kernel: CPU0: Temperature above threshold, cpu clock
throttled (total events = 4925070)
Oct 27 11:59:27 mythtv kernel: CPU0: Temperature/speed normal
Oct 27 11:59:27 mythtv kernel: CPU1: Temperature/speed normal

Looks to me the threshold is about 70 C but it seems to max out at 92 C in
the last month, 90 seems excessive but 70 doesn't sound too bad, how can I
adjust the thresholds?

Cheers,

Anthony
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