calcru: runtime went backwards, RELENG_6, SMP

[Ivan Voras]

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).