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Message-ID: <AANLkTina8xAwnGVuPKywsf1qEzpu+rWNbv7JjqAgLqp1@mail.gmail.com> Date: Fri, 3 Sep 2010 14:23:32 +0200 From: jean-philippe francois <jp.francois@...ove.com> To: john stultz <johnstul@...ibm.com> Cc: Lin Ming <lin@...g.vg>, venki@...gle.com, "H. Peter Anvin" <hpa@...or.com>, linux-acpi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, jslaby@...e.cz Subject: Re: System time drifts when processor idle. 2010/8/27 john stultz <johnstul@...ibm.com>: > On Fri, 2010-08-27 at 16:12 +0200, jean-philippe francois wrote: >> My Timekeeping bug is still present, here is an updated script and log. >> I am willing to make test, but I don't know what kind of debugging >> info is needed. >> >> cat /sys/devices/system/clocksource/clocksource0/available_clocksource >> hpet acpi_pm >> cat /sys/devices/system/clocksource/clocksource0/current_clocksource >> hpet > > 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? > Hi, The same bug happens with clock=acpi_pm. My apologies for a previous mail where I said it was not hapenning with acpi_pm. With both clock, the timekeeping gap augments by amount of 5 minutes. Jean-Philippe François -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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