** Tags added: ubuntu-certified
** Tags added: cscc
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https://bugs.launchpad.net/bugs/1803442
Title:
Thermal and power monitoring issues: CPU overheats and fan control
I was testing with mainline/v4.20-rc3 but it was unusable on my machine:
running the Quadro P3200 with the nouveau driver created a completely
broken display (the nVidia 390 drivers are fine, though). At least this
behavior is is identical between 4.18.0-11 and mainline/v4.20-rc3
So unless I have
The system is new so I can't comment whether it was better using a
previous ubuntu version.
I'll try to run the latest upstream kernel now and report later the
results.
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20
** Attachment added: "The effect with thermald disabled (service thermald stop)
with the laptop sitting idle for about half an hour"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803442/+attachment/5212960/+files/Screenshot_20181115_071829.png
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Also interesting that I get in the kern.log messages like:
Nov 14 23:18:55 kenobi kernel: [14566.011739] CPU2: Core temperature above
threshold, cpu clock throttled (total events = 3475)
Nov 14 23:18:55 kenobi kernel: [14566.011739] CPU8: Core temperature above
threshold, cpu clock throttled
** Attachment added: "powertop view running at the same time as powerstat"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803442/+attachment/5212830/+files/Screenshot_20181114_215609.png
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https://bugs.launchpad.net/bugs/1803442
Title:
Thermal and power monitoring issues: CPU overheats and fan control
broken/strange
Status in linux package in Ubuntu:
** Attachment added: "ksysguard view 2 running at the same time as powerstat"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803442/+attachment/5212832/+files/Screenshot_20181114_215733.png
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** Attachment added: "ksysguard view 1 running at the same time as powerstat"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803442/+attachment/5212831/+files/Screenshot_20181114_215654.png
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