A zombie process is a dead process that has no resources allocated to it, but merely has an entry in the process tree until its parent process finally reaps it and it disappears from view.
Questions tagged [zombie]
27 questions
361
votes
7 answers
What is a process, and why doesn't it get killed?
The chrome browser was not responsive and I tried to kill it, but instead of disappearing the process had at its right, and didn't get killed:
What is for a process and why it doesn't it get killed?
Eduard Florinescu
- 8,587
183
votes
9 answers
How to find zombie process?
System information as of Fri Mar 9 19:40:01 KST 2012
System load: 0.59 Processes: 167
Usage of /home: 23.0% of 11.00GB Users logged in: 1
Swap usage: 0% IP address for eth1: 192.168.0.1
…
Pablo
- 2,597
165
votes
5 answers
What are zombie processes?
With commands like top and the gui based System Monitor I can see that at the moment I have several zombie processes.
What are zombie processes?
Do they affect the performance of the system or the application they are zombie to. Do they use too much…
Jesper
- 2,247
53
votes
5 answers
Is there any way to kill a zombie process without reboot?
Is there any way to kill a zombie process without reboot? Here is how it happened:
I want to download a 12GB file using torrent. After adding the .torrent file, transmission turned into a zombie process (I tried ktorrent too. Same behavior). Finally…
Pedram
- 5,811
6
votes
1 answer
How can I show only zombie processes in htop?
I would like to monitor in real time zombie process in htop?
townie
- 161
5
votes
2 answers
How to get rid of Transmission zombie process?
Problem:
I was downloading a file over Transmission when I noticed that the Transmission window was grayed out and not responding. On clicking it, Ubuntu (10.04) asked to force-close which I did. What remains is a zombie process that uses 100% of 1…
Torben Gundtofte-Bruun
- 10,594
4
votes
1 answer
Zombie process (kill both child and parent process)
Question: I want to make sure that both child and parent process are killed and echo if successful or not. I'm new on using bash script and having issue with my output.
#!/bin/bash
for p in $(ps jauxww | grep Z | grep -v PID | awk '{print $3}');…
user3613649
- 43
4
votes
1 answer
Bootchart zombie process udevadm
Every time I look at the logs from bootchart, I notice a process called udevadm that is mostly coloured as if it is a zombie process. It is accompanied by modprobe, wait-for-root and udevd. They take up about 25% of my computer's boot time and…
Echogene
- 2,345
3
votes
1 answer
Zombie process: sd_cicero, Ubuntu 16.04
When I followed the instructions in this question to find zombie processes, I found this process Z Jan02 0:00 [sd_cicero] . When I try to find its parent process, I get…
3
votes
1 answer
Bash Script to find zombie processes?
So recently I've noticed that I have a process that will randomly crash and become a zombie with a PPID of 1 (init). I've been told that the only way to fix this is to reboot the PC (or send SIGCHLD to init, which is....dicey/useless, from what i…
cannabeatz
- 55
2
votes
2 answers
Do zombie processes cause memory shortage? Do they get killed by the init process eventually?
I have a zombie process problem.
I read What is a process, and why doesn't it get killed? which says
There is no harm in letting such processes be unless there are many of them. Zombie is eventually reaped by its parent (by calling…
2
votes
1 answer
Why are zombie processes being created upon boot?
Ubuntu 13.04.
Recently zombies have started appearing.
My processes are:
PROCESS CPU INFORMATION
chrome 65% Surf the web
calculator 10% Calculate operations
0% …
horIzoN
- 1,084
2
votes
1 answer
Literally 50 SH Zombie processes is system monitor
This bothers me now for a while: I have a huge list of Zombie processes whenever my system runs for a while as you can see in my gnome-system monitor. The list is so long that it is hard to find even other processes. Even though the Zombie processes…
n3rd
- 480
2
votes
1 answer
How to find cause of zombie process?
I have a zombie process that I am trying to investigate.
When a process dies on Linux, it isn’t all removed from memory immediately — its process descriptor stays in memory (the process descriptor only takes a tiny amount of memory). The process’s…
fixit7
- 3,399
1
vote
0 answers
Zombie being made from 'tail -f' cron job that grep's and launches shell script
I realize that a single zombie process like this is nothing to worry about, I just want a more professional outcome (no zombie) from my code.
My cron job calling a shell script produces a single zombie of the shell script only the first time it…
kenneth558
- 98