From mboxrd@z Thu Jan  1 00:00:00 1970
From: jean-philippe francois <jp.francois@cynove.com>
Subject: Re: System time drifts when processor idle.
Date: Fri, 3 Sep 2010 14:23:32 +0200
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To: john stultz <johnstul@us.ibm.com>
Cc: Lin Ming <lin@ming.vg>, venki@google.com, "H. Peter Anvin" <hpa@zytor.com>, linux-acpi@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, jslaby@suse.cz
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2010/8/27 john stultz <johnstul@us.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 l=
og.
>> 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_clocksour=
ce
>> 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=3Dacpi_pm" cause the issue to disappear?
>

Hi,

The same bug happens with clock=3Dacpi_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 Fran=E7ois