Hide Forgot
Description of problem: "systemctl start ntpd.service" didn't complete in ~2 hours. ntpd is still reported as "inactive" with no sign that it's starting: # systemctl status ntpd ● ntpd.service - Network Time Service Loaded: loaded (/usr/lib/systemd/system/ntpd.service; disabled; vendor preset: disabled) Active: inactive (dead) since Wed 2015-09-23 11:17:10 EDT; 3h 27min ago Process: 19146 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS (code=exited, status=0/SUCCESS) Main PID: 19147 (code=exited, status=0/SUCCESS) Sep 23 10:50:34 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: 0.0.0.0 0615 05 clock_sync Sep 23 11:00:30 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: Listen normally on 9 eth0 2002:102:304:1234:5ef3:fcff:fe85:b71 UDP 123 Sep 23 11:00:30 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: new interface(s) found: waking up resolver Sep 23 11:05:40 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: Deleting interface #9 eth0, 2002:102:304:1234:5ef3:fcff:fe85:b71#123, interface sta...10 secs Sep 23 11:09:28 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: Listen normally on 10 eth0 2002:102:304:1234:5ef3:fcff:fe85:b71 UDP 123 Sep 23 11:09:28 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: new interface(s) found: waking up resolver Sep 23 11:14:42 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: Deleting interface #10 eth0, 2002:102:304:1234:5ef3:fcff:fe85:b71#123, interface st...14 secs Sep 23 11:17:09 ibm-p720-01-lp5.rhts.eng.bos.redhat.com ntpd[19147]: ntpd exiting on signal 15 Sep 23 11:17:09 ibm-p720-01-lp5.rhts.eng.bos.redhat.com systemd[1]: Stopping Network Time Service... Sep 23 11:17:10 ibm-p720-01-lp5.rhts.eng.bos.redhat.com systemd[1]: Stopped Network Time Service. Hint: Some lines were ellipsized, use -l to show in full. Here's part of process tree: 23658 ? S 0:00 \_ make run 9840 ? S 0:00 | \_ /bin/bash ./runtest.sh 15165 ? S 0:00 | \_ /bin/systemctl start ntpd.service I managed to capture journalctl and core from systemctl before harness watchdog rebooted system. Version-Release number of selected component (if applicable): systemd-219-14.el7 How reproducible: single instance Steps to Reproduce: unknown Actual results: systemctl start hangs Expected results: systemctl doesn't hang Additional info:
Created attachment 1076288 [details] systemctl core (captured with gcore)
Hmm those lines are the real issue: Sep 23 12:36:35 ibm-p720-01-lp5.rhts.eng.bos.redhat.com systemd[1]: Looping too fast. Throttling execution a little. Do you have a reproducer?
(In reply to Lukáš Nykrýn from comment #4) > Hmm those lines are the real issue: > > Sep 23 12:36:35 ibm-p720-01-lp5.rhts.eng.bos.redhat.com systemd[1]: Looping > too fast. Throttling execution a little. > > Do you have a reproducer? No. Any hints on what data to grab in case I see it again?
Unfortunately no. The events in the reproducer could lead us to the culprit.
*** This bug has been marked as a duplicate of bug 1266479 ***