Re: [chrony-users] Fatal error : adjtimex() failed |
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On 21/08/2012 19:35, Bill Unruh wrote:
On Tue, 21 Aug 2012, Tomalak Geret'kal wrote:
On 21/08/2012 16:31, Bill Unruh wrote:
> > The SHM is fed by a known-good process that works
with ntpd and also > here
Is it a secret which program you use?
No, it's not a secret, but it's in-house so you won't
have heard of it.
The code is pretty much extracted straight from gpsd,
though - there's nothing unusual in it. I can show source
if required, though I'd rather not...
OK. Are you sure it is actually treating the shm properly?
Pretty much. At least I can't see any reason it wouldn't and
have not seen any indication that it isn't.
Are you getting better than 43 min between readings of
the PPS
Yep, LastRx floats between 10 and 20 or so.
I'm afraid I may not have made clear the context of the
above `chronyc sources` output, which was only to
demonstrate what happens after a while when I don't have
"noselect" on the GPS source and the GPS source has been
selected by chrony after a "no majority" message is output
to syslog. I guess it just stops caring about the PPS in
this situation.
With my config fixed, I get the following consistently:
[sw200319 /root]# chronyc sources
210 Number of sources = 2
MS Name/IP address Stratum Poll LastRx Last sample
============================================================================
#* PPS0 0 4 17 +105ns[
+165ns] +/- 130ns
#? GPS 0 3 12
+4668us[+4668us] +/- 64ms
with only sane variances.
Tom
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