[ntp:questions] Re: Linux 2.6 + PPS + ntpd?

Bjorn Gabrielsson bg at lysator.liu.se
Fri Dec 30 22:43:27 UTC 2005

armenb at ll.mit.edu (Armen Babikyan) writes:

> My problems comes in the kernel/ntp area.  After trying with RedHat
> Enterprise Linux's kernel (2.6.9-22.0.1.EL), vanilla 2.6.13 and
> vanilla, I've had unsuccessful results, ranging from kernel
> panics to test programs and ntp not producing correct output.
> I've tried using both PPSkit and LinuxPPS - do you (collectively) had
> more luck with one over the other?  Has anyone had a
> post-2.6.9/pps/ntp configuration working somewhat recently?  I'd be
> interested to hear about specific software/hardware configurations to
> mimic a known-good scenario.

2.4 vanilla kernels plus Ulrich' PPSkit-patches are easy to get
  going. Not tried 2.6 myself. But do you need the kernel PPSAPI? ntpd
  can do that outside the kernel as well. Sorry my only pps
  signal going to a Linux machine is using above 2.4-nano kernel.


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