[Bug 2000] when using ssh with ControlMaster/ControlPersist, one may get zombie processes

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2000

--- Comment #3 from Tomas Mraz <t8m at centrum.cz> 2012-04-26 01:04:59 EST ---
I'd say that the primary issue is in nagios and/or icinga in how it
handles the child process execution and collection of the SIGCHLDs and
wait-ing for the exit statuses. However there might also play a role
stray stderr file descriptor which is left open on the mux process.

You can try to redirect the stderr to /dev/null when you're running the
ssh from the wrapper script.

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