I am facing Nagios showing error
"got read() returned error 11"
You will find the answer within the standard include file:
Where you will find:
#define EDEADLK 11 /* Resource deadlock avoided */
I suggest you to increase the debugging level of
nagiosd to try to get some more information on the conditions causing this
nagiosd detected problem.
If you already did it, I suggest you to add this information inside your OQ to get better answers.