Public bug reported:
I have a weeks old Lenovo T460s running Ubuntu 16.04. After seeing
MCEs for due to temperature, I was advised to try the upcoming HWE-Y
I installed linux-image-4.8.0-9-generic from the
canonical-kernel-team-ubuntu-unstable-xenial PPA and rebooted.
When I returned to my machine in the morning I found it had hard
locked up over night, it was very hot and all the fans were going at
With the 4.4 kernel, I got messages like the following:
Sep 17 22:45:13 malefic kernel: [213000.178417] CPU2: Core temperature
above threshold, cpu clock throttled (total events = 9521)
With 4.8, it increased to:
Sep 20 17:14:13 malefic kernel: [24571.915198] CPU2: Core temperature
above threshold, cpu clock throttled (total events = 42953)
(Although there's a fair bit of variation).
I also noticed that thermald was spewing a lot of error messages to
The thermald spew went away and the number of 'temperature above
threshold' events went down once I downgraded back to 4.4.
** Affects: thermald (Ubuntu)
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thermald doesn't seem to work when running with HWE-Y on Ubuntu 16.04
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