calcru: runtime went backwards, RELENG_6, SMP

[Dmitry Morozovsky]

DM> MD> :Well, I can of course shut the kernel up, but kernel time stability is still my 
DM> MD> :concern. I run ntpd there and while sometimes it seems stable (well, sorta: 
DM> MD> :drift are within several seconds...) there are cases of half-a-minute time 
DM> MD> :steps. 
DM> MD> 
DM> MD>     I think the only hope you have of getting the issue addressed is to
DM> MD>     run FreeBSD current.  If you can reproduce the time slips under current
DM> MD>     the developers should be able to track the problem down and fix it.  The
DM> MD>     code is so different between those two releases that they are going to
DM> MD>     have a hard time working the problem in FreeBSD-6.
DM> 
DM> Well, quick compile'n'install HEAD into the swap does not reveal time slips for 
DM> now. However, this is with WITNESS, I'll try to turn off most debugging kernel 
DM> options and try again.

Not perfect:

`time make install clean' finished with 

===>  Cleaning for screen-4.0.3
21.671u 3.775s 0:28.95 87.8%    -1542500797858546+3035018384651625k 3393131677337410024+8717906021891401862io 1045071671142449598pf+0w


Also, in /var/log/messages

Jun 11 06:56:52 ct-new ntpd[613]: time reset -320.107962 s
Jun 11 07:15:00 ct-new ntpd[613]: time reset -1.401627 s

ct-new# ntpq -c pe
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 cs3661.rinet.ru 192.38.7.240     2 u  354 1024  377    5.305  -66314. 4321.47
 ns.rinet.ru     130.207.244.240  2 u  365 1024  377    6.913  -66316. 4305.33
 whale.rinet.ru  195.2.64.5       2 u  358 1024  377    7.939  -66308. 4304.90

Any directions to debug this?


Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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