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Date:      Thu, 23 Mar 2006 07:21:41 +0100
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Maksym Sobolyev <msobolyev@digifonica.com>
Cc:        "current@freebsd.org" <current@freebsd.org>
Subject:   Re: timecounting with TSC doesn't work properly on my notebook 
Message-ID:  <13727.1143094901@critter.freebsd.dk>
In-Reply-To: Your message of "Wed, 22 Mar 2006 14:43:46 PST." <4421D322.3010901@digifonica.com> 

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In message <4421D322.3010901@digifonica.com>, Maksym Sobolyev writes:
>Hi,
>
>After updating to the recent current (previous one was circa end-2005) I 
>have found that time on machine goes by 3-4 times faster than wallclock 
>  with TSC timecounter. Selecting ACPI-safe instead helps.

It should not default to TSC if it has ACPI-safe.

The TSC varies with power-save featurs on most laptops.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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