On Sun, Aug 21, 2011 at 02:55:55PM -0700, A C wrote:
> That is where I obtained the ppstest code and then later I
> discovered the test code within the ntpd source distribution.  The
> NetBSD list also suggested that I compare kernel traces on the two
> programs.  It seems that ntpd's pps-api code behaves a bit
> differently than ntpd itself when it interfaces with the kernel.  I
> can provide traces to anyone that would like them for both the
> pps-api test program and ntpd 4.2.6p3.

> 127.127.22.1  flag2 0 flag3 1 refid PPS\n\n
>  11255      1 ntpd     CALL  ioctl(7,PPS_IOC_SETPARAMS,0x1052d204)
>  11255      1 ntpd     CALL  ioctl(7,PPS_IOC_KCBIND,0xefffdf8c)

A shot in the dark, have you tried removing "flag3 1" to disable the
kernel PPS discipline?

-- 
Miroslav Lichvar
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