laptop MSI gs66 12700, ubuntu 20.04, kernel: 5.17.0-2.3-liquorix-amd64
after power disconnect CPU down to 400 Mhz and not recovering after power connect. in result system working slow, only reset helping. same drop to 400 Mhz happening time to time with heavy load (run VSCode with big AOSP project, continuous disk read-write in hundreds gigabytes)
"with stress" --cpu 20 got freqs:
cat /proc/cpuinfo | grep 'MHz' cpu MHz : 399.999 cpu MHz : 400.000 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 400.000 cpu MHz : 400.000 cpu MHz : 399.999 cpu MHz : 400.000 cpu MHz : 399.999 cpu MHz : 400.000 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 399.999 cpu MHz : 2881.999 cpu MHz : 2881.999 cpu MHz : 2881.998 cpu MHz : 2881.997 
