is there a problem with Nagios Devel + Kernel 2.4?

Holger Schurig hs4233 at mail.mn-solutions.de
Mon Jan 14 13:01:42 CET 2008


I'm running Nagios CVS HEAD on 2.4.24-1-386 (a Debian kernel). 
For now, I have only enabled one service (ping) to the 
localhost. Unfortunately, this check stays forever in 
the "pending" state.

So I turned on debugging and did some "ps" to dig around. What I 
found so far is:


- files get's created 
in /usr/src/nagios/dist/var/spool/checkresults. So far I have 6 
files there.



- the normal nagios log says

  [1200311267] Warning: The check of service 'PING' on 
host 'lin01' looks like it was orphaned (results never came 
back).  I'm scheduling an immediate check of the service...

  [1200311507] Warning: The check of host 'lin01' looks like it 
was orphaned (results never came back).  I'm scheduling an 
immediate check of the host...



- Something doesn't work with signals. The longer I run nagios,
  the more nagios processes hanging in rt_sigsuspend exist.
  Right now I have those:

  # ps -eo pid,comm,wchan|grep nagios
  21307 nagios          nanosleep
  21308 nagios          poll
  21309 nagios          select
  21310 nagios          rt_sigsuspend
  21378 nagios          rt_sigsuspend
  21411 nagios          rt_sigsuspend
  21505 nagios          rt_sigsuspend
  21574 nagios          rt_sigsuspend
  21611 nagios          rt_sigsuspend
  21649 nagios          rt_sigsuspend


Right now, upgrading this server to Kernel 2.6.xxx isn't an 
option (because of the other services running on this box, which 
I don't want to interrupt).

Any ideas?

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