Hi Doug, On Tuesday 23 Jun 2020 at 10:54:33 (-0700), Doug Smythies wrote: > Hi Quentin, > > Because I am lazy and sometimes do not want to recompile > the distro source, I have a need/desire for this.
Good to know I'm not the only one ;-) > Tested these two grub command lines: > > GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 consoleblank=300 > intel_pstate=disable cpufreq.default_governor=schedutil cpuidle_sysfs_switch > cpuidle.governor=teo" > > And > > #GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 consoleblank=450 > intel_pstate=passive cpufreq.default_governor=schedutil cpuidle_sysfs_switch > cpuidle.governor=teo" > > And all worked as expected. I use Ubuntu as my distro, and also had to > disable a startup script that switches to "ondemand", or similar, after 1 > minute. Good, thanks for giving it a try. > As a side note (separate subject, but is one reason I tried it): > My i5-9600K based computer seems to hit a power limit during boot > approximately 3 seconds after kernel selection on grub. > This had no effect on that issue (even when selecting powersave governor). Interesting ... Could you confirm that compiling with powersave as default doesn't fix the issue either? Other question, when does the intel_pstate driver start on your device? Before or after that 3 seconds boot time? Thanks, Quentin