Volker Jahns wrote:
On Thu, May 15, 2008 at 09:53:02PM +0200, Volker Jahns wrote:
On Thu, May 15, 2008 at 12:18:57PM -0700, Chuck Swiger wrote:
On May 15, 2008, at 11:57 AM, Volker Jahns wrote:
FreeBSD 6.2 running on X86 hardware (FSC) shows a remarkable time
You should also take a look at the output of "sysctl
kern.timecounter", and possibly switch to a different mechanism, if
the existing choice doesn't work out well for your machine...
running ntpdate every half hour shows that the system looses about
10-14 sec each time.
15 May 10:06:48 ntpdate: step time server 184.108.40.206
offset -13.799602 sec
15 May 10:36:48 ntpdate: step time server 220.127.116.11
offset -12.813941 sec
15 May 11:06:48 ntpdate: step time server 18.104.22.168
offset -13.651921 sec
15 May 11:36:50 ntpdate: step time server 22.214.171.124
offset -11.109298 sec
15 May 12:06:50 ntpdate: step time server 126.96.36.199
offset -11.836499 sec
Thanks for the hint.
A few years ago a time drift problem had been observed by a German freebsd
Time drift 15 sec every half hour, ntpd dies away running on his machine.
Setting kern.timecounter.hardware to TSC had been recommended as a solution.
There's also a FreeBSD PR open about this problem:
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