On Tue, Jun 18, 2019 at 04:56:33PM -0000, Michael van Elst wrote: > g...@lexort.com (Greg Troxel) writes: > > > -timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900 > > +timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000 > > > -timecounter: Timecounter "TSC" frequency 2800071320 Hz quality 3000 > > +timecounter: Timecounter "TSC" frequency 3920113160 Hz quality 3000 > > That looks like a non-invariant TSC that changes with the "turbo" mode > of the CPU. The interesting part is the 3.9GHz number, according to Intel > your CPU can only go up to 3.06GHz. > > > >I then set: > > kern.timecounter.hardware = hpet0 > >and things seem ok, at least after 10 minutes. > > That's what to do, you can also use the ACPI timer.
I just hit the same very incorrect time on my everyday laptop which had no issues (other than SNA artifacts ;-) ) Something must have changed... P