"Niall Parker" <[EMAIL PROTECTED]> writes:

> I'm having a lot of trouble getting ntpd to see the PPS signal when
> using uClibc instead of glibc6. When using linux kernel 2.4.32 with PPS
> kit 2.1.6 patches applied (no others) and ntpd-4.2.0a-20060224 compiled
> with the default tools/libs, the PPS signal is recognized and synched
> to once the prefer refclock (GPS NMEA) is selected, all is good ...
> 
> When using the same code compiled and linked to uClibc-0.9.27, the PPS
> signal is never seen (reachability 0), even nothing hardware, kernel or
> othewise has changed. ntpd seems to perform fine otherwise but it'd be
> nice to get the PPS working, and once I can get it working with uClibc
> I can move back to intended embedded target.
> 
> Any ideas ? Has anyone else got PPS + ntpd + uClibc working ?

Is NTP PPS support detected at compile time? At runtime, the magic is
basically an ioctl. So if you can strace, you'll find out what's going
on. Quickly I'd say if ntptime doesn't display STA_NANO, you're lost.

Regards,
Ulrich

> 
> thanks.
>                                                       ... Niall

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