CPU temperature rise after upgrade
jrm at ftfl.ca
Fri Apr 24 04:03:20 UTC 2015
After upgrading to 10-STABLE (r281907) the baseline CPU temperature on
my Lenovo X220 has jumped by about 30 degrees Celsius. Before today I
was also running 10-STABLE, but from a few months ago, and the
temperature usually remained in the 50s C unless I was compiling or
doing something else CPU intensive. Now, the CPU starts at a normal
temperature range, but after a few minutes in Xorg, it starts to jump
into the 80s or 90s C and stays there even with the idle CPU percent
something like 99.7%. Running top doesn't show anything out of the
ordinary. The fans sound like they are fine. They are spinning loudly
even when the CPU is throttled down to a low frequency. The only
possible hint I can see is this message that appears periodically on the
error:[drm:pid1029:gen6_sanitize_pm] *ERROR* Power management
discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 1a0d000, was 0000000.
I'm not sure if I've seen that on the console before the upgrade.
Graphics performance doesn't seem any different than before.
Thanks for any hints,
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