[ntp:questions] Stability problem on PowerEdge (SuSE 9.3)

Uwe Klein uwe_klein_habertwedt at t-online.de
Sat Feb 24 19:37:13 UTC 2007


Till Wimmer wrote:
> but:
> 
> ntpdc> sysi shows:
> 
> --snap--
> root distance:        0.02536 s
> root dispersion:      0.06160 s
> reference ID:         [62.65.148.250]
> reference time:       c98b0322.2c93ea2d  Sat, Feb 24 2007 19:32:02.174
> system flags:         auth monitor ntp kernel stats
> jitter:               0.041702 s
> stability:            48.628 ppm
> 
> 
> stability is still not that good...  and getting worse!
> 
> On a different machine i started ntpd at almost the same time. The 
> stability there was beyond 0.1 ppm short after...
> 
> I'm still thinking there's something wrong with my hardware--- any ideas?
There were/(are?) issues with some hardware ( nVidia chipsets, at least NV2)
  or/and apic stuff.
Either boot the "safe settings" entry in the boot menu or
add "noapic" and/or "noacpi" to your kernel options.
<Tab>
fill in some options in the "options" item
<Return>
This may help.

> 
> Till
uwe




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