linux - NTPD on arm box version 4.2.6p5 -


i have managed cross compile ntpd 4.2.6p5 arm box. have custom toolchain provided manufacturer.

box running busybox + variant of debian linux.

so have no installation of ntp , did manual copy, created conf file ntpd , tried run it.

ntpd returns when in debug mode: ~/ntp # ./ntpd -c ntp.conf -d

    ntpd 4.2.6p5@1.2349 mon apr  7 19:58:25 utc 2014 (1)     9 apr 07:39:44 ntpd[3592]: signal_no_reset: signal 13 had flags 4000000     9 apr 07:39:44 ntpd[3592]: proto: precision = 91.000 usec event @ 0 0.0.0.0 c01d 0d        kern kernel time sync enabled     finished parsing!!     9 apr 07:39:44 ntpd[3592]: ntp_io: estimated max descriptors: 1024, initial socket               boundary: 16     9 apr 07:39:44 ntpd[3592]: listen , drop on 0 v4wildcard 0.0.0.0 udp 123     9 apr 07:39:44 ntpd[3592]: unable bind wildcard address :: - process        may   running - exiting

before had add /etc/services 

    ntp             123/udp

my ntp.conf looks like:

 ~/ntp # cat ntp.conf  server 193.2.4.6  server 193.2.4.2  driftfile ntp.drift

so have checked netstat , nothing running on port 123, no ntpdate etc... 

~/ntp # netstat -rn kernel ip routing table destination     gateway         genmask         flags   mss window  irtt iface 0.0.0.0         192.168.3.1     0.0.0.0         ug        0 0          0 eth0 192.168.3.0     0.0.0.0         255.255.255.0   u         0 0          0 eth0  ~ # netstat -a | grep 123 ~ #

therefore must config, or arm box not have configured...

oh , running manually ntpdate works:

~/ntp # ./ntpdate 193.2.4.6  9 apr 07:49:16 ntpdate[3614]: step time server 193.2.4.6 offset -0.755704 sec ~/ntp #

so yes use ntpdate in cron, not intent!

any idea?

thank , best regards!

the following error indicates ntp had trouble binding ipv6 wildcard:

9 apr 07:39:44 ntpd[3592]: unable bind wildcard address :: - process    may   running - exiting

i think problem ipv6 hard tell because diagnosticinformation not good. netstat -a |grep 123 command useless because netstat substitute ntp port 123. try again with:

netstat -a -n | grep 123

along lines netstat -rn works ipv4, try again -6:

netstat -r -n -6

your test ntpdate used ipv4 host. server support ipv6? happens when run:

$ sntp -d -6 time.nist.gov

i used sntp because not know if ntpdate has -6option , sntp does.


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