Nagios 3.0b7 High CPU Load FreeBSD 6.2

Mike Brown jmb287 at gmail.com
Mon Dec 10 19:09:04 CET 2007


Hi Andrew,

Didn't seem to solve the issue....   The output of ktrace seems to be the
same no matter if libmap is there or not

here is the output from BEFORE the libmap.conf change
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)
 98795 nagios   RET   kse_release -1 errno 22 Invalid argument
 98795 nagios   CALL  kse_release(0xbfbfe460)





here is the output from AFTER the libmap.conf change

 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)
 98688 nagios   RET   kse_release -1 errno 22 Invalid argument
 98688 nagios   CALL  kse_release(0xbfbfe490)



On 10/12/2007, Andrew Ivanov <a.ivanov at e-port.ru> wrote:
>
>
> Hi Mike,
> You may want to do ktrace: ktrace -dip $(cat nagios.lock); sleep 10;
> ktrace
> -C; kdump | more
> If you'll see many kse_release calls, then it's definitely threads issue.
>
> Try to use libc_r.so instead of libpthread.so, like this:
>
> /etc/libmap.conf
>
> [/usr/local/nagios/bin/nagios]
> libpthread.so.2         libc_r.so.6
> libpthread.so           libc_r.so
>
> With best regards,
> Andrew.
>
>
>        From: nagios-devel-bounces at lists.sourceforge.net
> [mailto:nagios-devel-bounces at lists.sourceforge.net] On Behalf Of Mike
> Brown
>        Sent: Monday, December 10, 2007 7:00 PM
>        To: nagios-devel at lists.sourceforge.net
>        Subject: [Nagios-devel] Nagios 3.0b7 High CPU Load FreeBSD 6.2
>
>
>        Hi,
>        installed Nagios 3.0b7 on a FreeBSD 6.2 based system.
>
>        With the default config samples Nagios starts up and becomes a
> daemon.
>
>        Within a couple of minutes the CPU load reached 99.07
>
>        91306 nagios      1 120    0  2420K  1900K CPU1   1 585:37 99.02%
> nagios
>
>        The machine is a dual CPU Dell 1650 rackmount box
>
>        The nagios cgi web page never shows the example host going to a UP
> state.  It always stays "PENDING" for checks.
>
>
>        Not sure what to do at this point.  Thanks in advance for any help.
>
>
>
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