amd64/127484: [timecounters] Drift problem with FreeBSD 7.0 and
7.1 PRERELEASE
Alexander Motin
mav at FreeBSD.org
Mon Jul 12 07:20:05 UTC 2010
The following reply was made to PR amd64/127484; it has been noted by GNATS.
From: Alexander Motin <mav at FreeBSD.org>
To: bug-followup at FreeBSD.org, tg.at.swox.com at FreeBSD.org
Cc:
Subject: Re: amd64/127484: [timecounters] Drift problem with FreeBSD 7.0 and
7.1 PRERELEASE
Date: Mon, 12 Jul 2010 10:11:37 +0300
On some AMD chipsets enabling Spread Spectrum makes HPET to run few
percents slower then reported by hardware. It is official chipset errata
and it should be handled by BIOS SMI code.
--
Alexander Motin
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