Zombie accounting processes

[Phil Mayers]

George-Cristian Bîrzan wrote:
> On Mon, 2006-02-13 at 13:57 +0200, George-Cristian Bîrzan wrote:
>> Hello!
>>
>> I've been having a rather annoying problem with FreeRADIUS, including
>> version 1.1.0.

What OS and kernel version is the server running?

>>
> 
>>From a strace of a process that remains hung:
> 
> [pid 22052] exit_group(0)               = ?
> Process 22052 detached
> --- SIGCHLD (Child exited) @ 0 (0) ---
> --- SIGRTMIN (Unknown signal 32) @ 0 (0) ---
> <... rt_sigsuspend resumed> )           = -1 EINTR (Interrupted system call)
> sigreturn()                             = ? (mask now [HUP INT QUIT TERM RTMIN])
> waitpid(22058, NULL, WNOHANG)           = -1 ECHILD (No child processes)

Hmm. What does "ps -ejf" (on Linux - translate for closest equivalent on 
other systems) say for these?

> 
> 22058 exists, and is another process that hung.
> 
> $ ps u 22058 22052
> USER       PID %CPU %MEM   VSZ  RSS TTY      STAT START   TIME COMMAND
> root     22052  0.0  0.0     0    0 ?        Z    14:08   0:00 [acct-ng.pl] <defunct>
> root     22058  0.0  0.0     0    0 ?        Z    14:08   0:00 [acct-ng.pl] <defunct>
> 
> I'm trying to look at the source for hints, but I figured I should try
> asking... if anyone has any ideas, I'd greatly appreciate it.
>