[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when pugging USB device

You can try the following utilities to see whether CPUs are occupied before and after USB devices are plugged in 1. top - check whether any processes is running 2. watch -n1 cat /proc/interrupts - check whether any interrupts are generated at abnormal rates 3. powertop - more details of power

[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when pugging USB device

sorry I'm running KDE neon, and they don't let me install apport without breaking neon-apport, which I'd prefer not do. But I can send any info you wish ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when pugging USB device

** Attachment added: "version.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895378/+attachment/5410078/+files/version.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when pugging USB device

** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895378/+attachment/5410079/+files/dmesg.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.