strace on osafmsgnd process shows that osafmsgnd is in poll loop with closed
file descriptor (17):
poll([{fd=21, events=POLLIN}, {fd=15, events=POLLIN}, {fd=17, events=POLLIN},
{fd=12, events=POLLIN}, {fd=19, events=POLLIN}], 5, 4294967295) = 1 ([{fd=17,
revents=POLLNVAL}])
My guess that it's CLM file descriptor.
MSG also reported to syslog:
Feb 10 14:44:19 PL-3 osafmsgnd[3749]: ER saClmDispatch Failed with error 9
---
** [tickets:#2299] msg: high CPU usage of osafmsgnd on payloads after headless
state**
**Status:** unassigned
**Milestone:** 5.2.FC
**Created:** Fri Feb 10, 2017 01:29 PM UTC by Zoran Milinkovic
**Last Updated:** Fri Feb 10, 2017 01:29 PM UTC
**Owner:** nobody
When a cluster comes from the headless state, osafmsgnd on payload is running
with high CPU usage.
Running 'top':
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3537 root 20 0 199828 20884 20392 R 98,0 1,0 0:53.96 osafmsgnd
To reproduce the problem is enough to run one controller and one payload:
1. Start SC-1
2. Start PL-3
3. When the sync is done, stop SC-1
4. Start SC-1
5. Run 'top' on PL-3
The MSG problem is detected on the default branch, but it can exist on earlier
versions.
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