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#1 2010-10-14 23:30:18
- bjby
- Member
- Registered: 2009-02-22
- Posts: 265
/usr/sbin/sntp hangs
I have put this entry into cron
1 * * * * /usr/sbin/sntp -r -P no se.pool.ntp.org
It is from wiki instruction. However sntp seems to hang once in a while, generating zombi processes. Maybe once per week or so.
Someone with the same problem?
Is it possible to put some angry watchdog sheparding it, killing it on timeout?
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#2 2010-10-15 00:08:52
- FunFiler
- Member
- Registered: 2010-05-23
- Posts: 577
Re: /usr/sbin/sntp hangs
Have you looked at running ntp that comes with ffp? I had no issues with it. Just edit the config and use the script in ffp/start jsut like the rest of the packages.
3 * (DNS-323 with 2 * 2TB) = 12TB Running FW v1.08 & FFP v0.5
Useful Links: Transmission, Transmission Remote, Automatic
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#3 2010-10-15 07:36:17
- bjby
- Member
- Registered: 2009-02-22
- Posts: 265
Re: /usr/sbin/sntp hangs
thanx for input. but I have already tried that. It might differ between HW-model of 323. I am on B.
http://nas-tweaks.net/CH3SNAS:Tutorials/ntp
...
As you can see below, there are two choices for the synchronization. Regular synchronization via Cron should be chosen over using the NTP-Daemon as the latter seems to cause the following two lines in dmesg reappearing over and over again until the device gets restarted:
kernel: TWSI: mvTwsiStartBitSet ERROR - Start Clear bit TimeOut .
kernel: TWSI: mvTwsiStopBitSet ERROR - Stop bit TimeOut .
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#6 2010-10-15 14:10:05
- bjby
- Member
- Registered: 2009-02-22
- Posts: 265
Re: /usr/sbin/sntp hangs
Ok ill try that. Didnt get to work first until i found the description below.
-----------------------
Hmm… Now what? So this is not caused by dns after all… what could this mean: “Servname not supported for ai_socktype“. After some other tries I have finaly seen the problem… NTP ports were not defined in /etc/services and this was the root of the error. The system didn’t know how to make ntp connections without that. So I’ve added the following lines to /etc/services
ntp 123/tcp
ntp 123/udp
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#7 2010-10-15 14:17:56
- FunFiler
- Member
- Registered: 2010-05-23
- Posts: 577
Re: /usr/sbin/sntp hangs
How are you starting it? If you use the ffp/start/ntpd.sh startup script then it should modify /etc/services automatically.
Code:
#!/ffp/bin/sh
# PROVIDE: ntpd
# REQUIRE: SERVERS
# BEFORE: LOGIN
. /ffp/etc/ffp.subr
name="ntpd"
command="/ffp/bin/ntpd"
ntpd_flags="-g -f /ffp/tmp/ntp.drift"
required_files="/ffp/etc/ntp.conf"
start_cmd="ntpd_start"
ntpd_start()
{
# fix /etc/services
if ! grep -w ntp /etc/services >/dev/null; then
echo "ntp 123/udp" >>/etc/services
fi
# remove rtc and daylight cron jobs
crontab -l | grep -vw '/usr/sbin/daylight' | grep -vw '/usr/sbin/rtc' | crontab -
proc_start $command
}
run_rc_command "$1"Last edited by FunFiler (2010-10-15 14:19:13)
3 * (DNS-323 with 2 * 2TB) = 12TB Running FW v1.08 & FFP v0.5
Useful Links: Transmission, Transmission Remote, Automatic
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