[time-nuts] Soekris NET4501, NTP, PPS and "Inappropriate ioctl"

[mike cook]

  pps1 -> cuau1 should do it. I am running 6.2 where  pps1 -> cuad1 
works fine.

Le 01/11/2010 16:28, Mike S a écrit :
>
> I'm putting together an NTP server on a Soekris NET4501, using an 
> Oncore M12+. I can't get the Atom PPS refclock to load, it reports 
> "refclock_atom: time_pps_create failed: Inappropriate ioctl for 
> device." (/dev/pps0 is linked to /dev/elan-mmcr)
>
> I can get it working using only the Oncore refclock driver if I also 
> provide the PPS signal to /dev/cuau1 DCD pin (/dev/oncore.pps.0 linked 
> to /dev/cuau1), but I'm pretty sure that doesn't then use the special 
> timer available on the 4501, just the "plain old" Oncore PPS. (linking 
> /dev/oncore.pps.0 to /dev/elan-mmcr doesn't work, either)
>
> I'm asking the group for help, since many have been down a similar 
> path with NTP on the NET4501. I'm past the "dangerous" stage in *nix 
> userspace, have previously patched PPS into a Debian kernel and gotten 
> it working, but get lost with low level stuff.
>
> These are the relevant config settings. I've tried both with/without 
> PPS_SYNC. FreeBSD 8.1-RELEASE:
> ---
> Kernel config:
> cpu             I486_CPU
> ident           SOEKRIS
>
> options         CPU_ELAN
> options         CPU_SOEKRIS
> options         HZ=1000
> options         CPU_ELAN_PPS
> options         GEOM_VOL
> options         PPS_SYNC
> ...
> ---
> nanobsd config: I don't think anything special is required here. ntpd 
> version 4.2.4p5 is installed by default.
> ---
> /dev :
> lrwxr-xr-x  1 root  wheel            5 Oct 31 13:18 oncore.pps.0 -> cuau1
> lrwxr-xr-x  1 root  wheel            5 Oct 31 13:18 oncore.serial.0 -> 
> cuau1
> lrwxr-xr-x  1 root  wheel            9 Oct 31 13:18 pps0 -> elan-mmcr
> ---
> ntp.conf:
> #
> tos mindist 0.050
> # Motorola Oncore M12+ Timing
> server 127.127.30.0 ttl 1 prefer minpoll 4 maxpoll 4
> # PPS
> server 127.127.22.0 minpoll 4 maxpoll 4
>
>
>
>
>
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