This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1895378
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1895378
Title:
cpu frequency stuck to max when pugging USB device
Status in linux package in Ubuntu:
Incomplete
Bug description:
When I start my laptop with AC plugged in, the CPU frequency oscillates
around 1.5Ghz, but as soon as I plug some USB device, like an external mouse,
the frequency goes up to the max (3.2Ghz) and stays there, even though the
system monitor tells me that no app is eating CPU power.
(see picture)
If I unplug the mouse, this doesn't go back to normal: still stuck max
frequency.
If I start my laptop with mouse already plugged in, it starts normally
(scalable frequency around 1.5Ghz), if I unplug the mouse, still good,
but if I plug the mouse again, it jumps to max frequency and stays
there.
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