Red Hat Bugzilla – Full Text Bug Listing
|Summary:||systemd starts ntpdate after ntpd|
|Product:||[Fedora] Fedora||Reporter:||Ian Dall <ian>|
|Status:||CLOSED DUPLICATE||QA Contact:||Fedora Extras Quality Assurance <extras-qa>|
|Version:||16||CC:||johannbg, metherid, mlichvar, mschmidt, notting, pertusus, plautrba, systemd-maint|
|Fixed In Version:||Doc Type:||Bug Fix|
|Doc Text:||Story Points:||---|
|Last Closed:||2012-04-25 03:12:55 EDT||Type:||Bug|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
Description Ian Dall 2012-04-21 10:11:53 EDT
Created attachment 579183 [details] The output of cat /proc/cmdline Description of problem: I find that time is not synchronised (especially on a reboot after daylight saving change) due to ntpdate failing. Version-Release number of selected component (if applicable): ntpdate-4.2.6p4-1.fc16.i686 How reproducible: Always Steps to Reproduce: 1.grep /var/log/messages for ntpdate 2. 3. Actual results: ntpdate[nnn]: the NTP socket is in use, exiting Expected results: ntpdate should run successfully Additional info: I booted with systemd.log_level=debug and saved the output of dmesg (attached). ntpd is clearly being started before ntpdate but I can't see why. If I manually stop ntpd.service, start ntpdate.service and start ntpd.service things work as expected. As this seems to be a problem with the systemctl configuration I have attached the appropriate files.
Comment 2 Ian Dall 2012-04-21 10:14:08 EDT
Created attachment 579185 [details] grep ntp /var/log/messages
Comment 3 Ian Dall 2012-04-21 10:15:19 EDT
Created attachment 579186 [details] Output from "systemd dump"
Comment 4 Ian Dall 2012-04-21 10:16:39 EDT
Created attachment 579187 [details] Output from systemd --test
Comment 5 Ian Dall 2012-04-21 10:23:33 EDT
Created attachment 579188 [details] Local /etc/systemd/system/ntpd.service There is a local modification to ntpd.service (attached) which serves to ensure that ntpd doesn't start until the network is up, even if ntpdate has been disabled. I can't see how this could cause a problem, but it is attached just in case.
Comment 6 Michal Schmidt 2012-04-23 05:25:09 EDT
ntpd.service and ntpdate.service are both owned by the "ntp" source package. If there exists and ordering requirement, it should be expressed in the unit file. Reassigning.
Comment 7 Michal Schmidt 2012-04-23 05:25:57 EDT
s/and ordering requirement/an ordering requirement/
Comment 8 Ian Dall 2012-04-23 18:31:36 EDT
(In reply to comment #6) > ntpd.service and ntpdate.service are both owned by the "ntp" source package. If > there exists and ordering requirement, it should be expressed in the unit file. > Reassigning. Except that, as far as I can see, the unit files for ntpd and ntpdate already have the ordering relationship. ntpd.service has: After=syslog.target ntpdate.service It just doesn't seem to take effect.
Comment 9 Michal Schmidt 2012-04-24 08:46:54 EDT
hm, I see. I wonder what causes the following jobs to be enqueued: [ 40.786960] systemd: Trying to enqueue job systemd-update-utmp-runlevel.service/start/ignore-requirements [ 40.787212] systemd: Trying to enqueue job multi-user.target/start/ignore-requirements [ 40.787272] systemd: Trying to enqueue job email@example.com/start/ignore-requirements [ 40.787551] systemd: Trying to enqueue job getty.target/start/ignore-requirements [ 40.787799] systemd: Trying to enqueue job ntpdate.service/start/ignore-requirements [ 41.641098] systemd: Trying to enqueue job systemd-update-utmp-runlevel.service/start/ignore-requirements [ 41.641137] systemd: Trying to enqueue job multi-user.target/start/ignore-requirements [ 41.641401] systemd: Trying to enqueue job ntpdate.service/start/ignore-requirements It could come from unit deserialization, but I see no indication in the log of that happening. In case we're missing some log items... Could you please boot with: systemd.log_level=debug systemd.log_target=kmsg log_buf_len=1M and attach the new output of dmesg. Thanks.
Comment 10 Ian Dall 2012-04-24 22:48:36 EDT
Created attachment 580044 [details] dmesg ouput with increase log_buf_len OK. Here is the new dmesg output corresponding to the /proc/cmdline: root=nfs:fs.beware.dropbear.id.au:/export/NFSroots/Fedora16 initrd=/images/Fedora16/initramfs-3.1.6-1.fc16.i686.img selinux=0 systemd.unit=multi-user.target systemd.log_level=debug systemd.log_level=debug systemd.log_target=kmsg log_buf_len=1M BOOT_IMAGE=/images/Fedora16/vmlinuz-3.1.6-1.fc16.i686 The "ignore-requirements" lines seems to have gone away but the mis-ordering of ntpdate remains.
Comment 11 Michal Schmidt 2012-04-25 03:12:55 EDT
Thanks. [ 29.919074] systemd: Accepted connection on private bus. [ 29.919963] systemd: Got D-Bus request: org.freedesktop.systemd1.Manager.TryRestartUnit() on /org/freedesktop/systemd1 [ 29.920036] systemd: Trying to enqueue job ntpd.service/try-restart/replace [ 29.920135] systemd: Installed new job ntpd.service/restart as 131 [ 29.920153] systemd: Enqueued job ntpd.service/try-restart as 131 [ 29.921607] systemd: About to execute: /usr/sbin/ntpd -n -u ntp:ntp $OPTIONS This is probably /etc/dhcp/dhclient.d/ntp.sh calling "systemctl try-restart ntpd.service". It exposes a bug in systemd that we previously encountered with ypbind. *** This bug has been marked as a duplicate of bug 753586 ***