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From: Ivan Voras <ivoras@fer.hr>
Date: Wed, 06 Jun 2007 20:17:28 +0000
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Subject: Re: calcru: runtime went backwards, RELENG_6, SMP
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Dmitry Morozovsky wrote:
> Dear colleagues,
> 
> on a newly built Supermicro with Pentium D 2.8 (Dual core) with SMP kernel I 
> got zillions of 'runtime went backwards' errors, both on i386 and amd64 
> kernels.
> 
> Upd: on GENERIC/amd64 kernel I got the same errors.

Do you perhaps run with TSC timecounter? (that's the only cause I've 
notice that can generate this message).