2010/8/28 john stultz <johnstul@xxxxxxxxxx>: >> > Huh. hpet was not what I would have expected. >> > >> > >> > So first, two experiments: >> > >> > 1) Does booting with "clock=acpi_pm" cause the issue to disappear? >> > Yes, the problem usually show up quite quickly, and I think I have let my script run for a long enough time to say it does not occur with clock=acpi_pm >> > 2) Does booting with "nohz=off" cause the issue to disappear? >> > Not tested yet. > > jean-philippe: Is the drift always in 5 minute increments? Can you leave > it idle for 3 minutes and see a similar 3 minute delay, or is it always > in units of 5 ? > That is interesting ! I think I have always seen 5 minutes or multiples of this delay. I will try to leave it running for a longer period of time and come back to you with more results. If you look at the first message of this thread (on linux-acpi) the delay is first 5, then 10 minutes. Thank you for your interest. Jean-Philippe -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
