linux-kernel - (tsc) clock too slow on Core-i7/ASRock X58

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Message-ID: <1274165817.7859.16.camel@eee51>
Date:	Tue, 18 May 2010 08:56:57 +0200
From:	"宾西蒙" <binximeng@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	BinXimeng@...il.com
Subject: (tsc) clock too slow on Core-i7/ASRock X58

I have a problem with the system clock being off roughly 10 minutes a 2
hours on a Xeon W3250 (like Core-i7 920) using the 2.6.34 Linux and tsc
clocksource. Switching to hpet seems to improve the situation
momentarily, however, are there any other thoughts on this matter?

What I find odd is that the processor speed in dmesg (after TSC
calibration message) is 2.8 GHz, whereas BIOS says @2.67GHz, might that
be related?

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