CPU temperature rise after upgrade

Adrian Chadd adrian at freebsd.org
Fri Apr 24 06:22:26 UTC 2015

It's probably the graphics stack update (i915kms.)


On 23 April 2015 at 22:51, Ben Woods <woodsb02 at gmail.com> wrote:
> On Friday, April 24, 2015, Joseph Mingrone <jrm at ftfl.ca> wrote:
>> 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
>> console:
>> 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,
>> Joseph
>  If you haven't already, I recommend posting this query also on the
> freebsd-stable at freebsd.org mailing list.
> Regards,
> Ben
> --
> --
> From: Benjamin Woods
> woodsb02 at gmail.com
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