topic Re: a process which can not be killed? in Operating System - Linux

a process which can not be killed?

eugene_6 — Thu, 22 Nov 2001 03:19:58 GMT

-------------------------------
7419 ? 00:00:00 gaim
-------------------------------

i can't kill this process.
what happend?

i tried all signal..1-63

powerkill.sh
------------------------------

# kill process with signal 1-63
if(( $#<1))
then
echo "Usage: $0 pid"
exit 1
fi

pid=$1
let a=1
while (( a<64))
do
b=$b$a" "
let a=a+1
done

for i in $b
do
kill -s $i $pid
done

Re: a process which can not be killed?

eugene_6 — Thu, 22 Nov 2001 05:24:22 GMT

hmm
i found out this is so called 'zombie' process..

zombie = a process whose parent is dead..

what does 'dead' mean there?

i killed the zombie process by killing its parent process..

thx..

Re: a process which can not be killed?

Marco Paganini — Thu, 22 Nov 2001 06:31:45 GMT

Hello eugene,

If a process makes a system call and this system call gets blocked (let's say, because of a bug or waiting for a device to be available), you won't be able to kill the process (since the control is outside the process space).

In some cases, the only way is to reboot the server.

Regards,
Paga

Re: a process which can not be killed?

Marco Paganini — Thu, 22 Nov 2001 06:32:29 GMT

Re: a process which can not be killed?

harry d brown jr — Thu, 22 Nov 2001 11:23:10 GMT

I wonder what "lsof" would show on that process.

If the process isn't consuming any resources, then just ignore it, otherwise you will have to reboot to get it to go away.

live free or die
harry

Re: a process which can not be killed?

Volker Borowski — Thu, 22 Nov 2001 16:42:27 GMT

Hi,

take care, NEVER kill the parent process if the PPID is "1".

:-)
Volker