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From: Harald Dunkel <harald.dunkel@t-online.de>
To: john stultz <johnstul@us.ibm.com>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.27.7 built for Geode: Clock drift
Date: Sat, 06 Dec 2008 07:09:16 +0100	[thread overview]
Message-ID: <493A170C.90509@t-online.de> (raw)
In-Reply-To: <1f1b08da0812051340t1967e753h354346d13ccb34d3@mail.gmail.com>

john stultz wrote:
> 
> For both configs, can you run:
>    cat /sys/devices/system/clocksource/clocksource0/available_clocksource
> and:
>    cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> 
> Then send back the output?
> 

Sure. For 486:

% cat /sys/devices/system/clocksource/clocksource0/available_clocksource
pit jiffies
% cat /sys/devices/system/clocksource/clocksource0/current_clocksource
pit


For Geode (clock is running too fast):
% cat /sys/devices/system/clocksource/clocksource0/available_clocksource
jiffies
% cat /sys/devices/system/clocksource/clocksource0/current_clocksource
jiffies


dmesg says for Geode:

:
TSC: Unable to calibrate against PIT
TSC: No reference (HPET/PMTIMER) available
Marking TSC unstable due to could not calculate TSC khz
:


Regards

Harri


  reply	other threads:[~2008-12-06  6:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-02 18:36 2.6.27.7 built for Geode: Clock drift Harald Dunkel
2008-12-05 17:16 ` Jordan Crouse
2008-12-06 14:12   ` Harald Dunkel
2008-12-06 14:21   ` Harald Dunkel
2008-12-06 16:45     ` Jordan Crouse
2008-12-07  5:02   ` Harald Dunkel
2008-12-05 21:40 ` john stultz
2008-12-06  6:09   ` Harald Dunkel [this message]
2008-12-09  2:14     ` john stultz
2008-12-09 15:09       ` Jordan Crouse

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