NRPE oddities

[Mike Emigh]

I'm running NRPE 2.5.1 on a number of machines and occasionally I'll
see the processes get stuck just spinning their wheels.  It ends
utilizing the CPU heavily and needs to be killed.  I haven't been able
to track down what is causing this, so I wanted to ask if anyone on
this list has seen this behavior before.  Also, I've seen that NRPE
2.5.2 fixes "a number of bugs" but do not know if it addresses this
specifically.  I've included output from top and truss below.

top:
  PID USERNAME THR PRI NICE  SIZE   RES STATE    TIME    CPU COMMAND
 20950 nagios     1  20    0 3792K 1688K run     78.6H 49.58% nrpe
 20675 nagios     1  20    0 3792K 1720K run     79.0H 48.62% nrpe

truss:
getpid()                                        = 20675 [1]
time()                                          = 1160684094
getpid()                                        = 20675 [1]
read(8, 0x00050FF8, 5)                          Err#11 EAGAIN
getpid()                                        = 20675 [1]
time()                                          = 1160684094
getpid()                                        = 20675 [1]
read(8, 0x00050FF8, 5)                          Err#11 EAGAIN
getpid()                                        = 20675 [1]
time()                                          = 1160684094
getpid()                                        = 20675 [1]
read(8, 0x00050FF8, 5)                          Err#11 EAGAIN
getpid()                                        = 20675 [1]
time()                                          = 1160684094
getpid()                                        = 20675 [1]
read(8, 0x00050FF8, 5)                          Err#11 EAGAIN
getpid()                                        = 20675 [1]
time()                                          = 1160684094
getpid()                                        = 20675 [1]
read(8, 0x00050FF8, 5)                          Err#11 EAGAIN
getpid()                                        = 20675 [1]

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