Hi. On Sun, Jun 07, 2020 at 12:01:58AM +0200, l0f...@tuta.io wrote: > Hi Reco, > > Thank you for your feedback. > > 6 juin 2020 à 19:55 de recovery...@enotuniq.net: > > > On Sat, Jun 06, 2020 at 05:39:00PM +0200, l0f...@tuta.io wrote: > > > >> I have frequent warning/4 entries in my journalctl like this one > >> (dozens/day): > >> kernel: mce: CPU[X]: Package temperature above threshold, cpu clock > >> throttled > >> > >> So I decided some time ago to create the following systemd service > >> (/etc/systemd/system/disable-turbo-boost.service) in order to deactivate my > >> Intel processor turbo boost: > >> > > *Shrugs*. "apt-get install sysfsutils" is the universal solution to such > > problems. > > > I've just installed this package. > Am I supposed to add now "/sys/devices/system/cpu/intel_pstate/no_turbo=1" in > /etc/sysfs.conf?
No, you're supposed to add this line: devices/system/cpu/intel_pstate/no_turbo = 1 Leading "/sys" is always omitted in sysfsutils. > Or maybe via a specific file in /etc/sysfs.d/ instead (I presume this > directory is setup so changes are not overwritten during an upgrade)? Whatever suits you. End result will be the same. > I hope it's going to work because it seems that sysfs is sometimes triggered > too late to be taken into account correctly, on Ubuntu 12.04.3 at least > (https://bugs.launchpad.net/ubuntu/+source/sysfsutils/+bug/955918). > I'm not used at all to systool and I'm very suprised to see there is almost > no documentation/tutorial about it on the internet. > People probably probe /sys directly to get what they are looking for... > > >> Do you have an idea why my turbo boost was not active anymore please? > >> > > It's possible that you have laptop-mode-tools package installed. Among > > with the other things, it tries to control this particular sysfs knob. > > Search for /etc/laptop-mode/conf.d/intel_pstate.conf, ensure that > > CONTROL_INTEL_PSTATE_NO_TURBO is set to one. > > > You get it right, I had laptop-mode-tools installed indeed! Well done ;)You > know what, I've just uninstalled this package. :) Reco