External Command hang segfault

[David Schlecht]

Hi list

I'm slowly making progress on this one, but stuck again.

The problem: cmd.cgi sometimes hangs and Nagios segfaults after Schedule Downtime External Command. It dies in every version on every Linux on every processor.

I did a stack trace on the hung cmd.cgi and found that it was hanging on the write to nagios.cmd. This pointed to the missing nagios process that was supposed to be at the other end of the named pipe. It had died.

This used to generate a segfault in the logs but no longer does. It just dies quietly.

How do I proceed from here? How do I find out why Nagios died? Since there's no segfault, there's no core file.




- David Schlecht (dschl)

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