Zombie processes

[Shachar Shemesh]

sammy ominsky wrote:
> Hi all,
>
> I have one server that is constantly getting overrun by zombies!  Nagios alerts me that 
>
> ** NAGIOS ALERT ** PROBLEM with Zombie Processes on Hardware *********** (***.***.***.***).  Service is CRITICAL as of Sun Jan 3 15:17:10 UTC 2010.  The additional information available is: PROCS CRITICAL: 23 processes with STATE = Z
>
> ps shows me it's mostly one process this time, other times it's others
>
> 19279 ?        Z      0:00 [playrecording.p] <defunct>
>   
Use pstree and check who the zombies parent is. If it is the same 
process for almost all of them, this is likely a software bug in 
playrecording.p (or whatever the parent is). If it is process ID 1, then 
you have some other problem (probably in the kernel).

Shachar

-- 
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com

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