Questions tagged [zombie]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
555 views

WireGuard `wg-quick up` hangs on `ip link add $profile type wireguard`

I've been a happy WireGuard user for several years and never had any issues. Today, for seemingly no reason, I started having issues. I ran wg-quick up $profile as root and that terminal session ...
0 votes
1 answer
44 views

Dozens of <defunct> processes [closed]

For a few days now, a lot of processes I start on my Manjaro linux machine do not exit properly, but become defunct. I first noticed that feh windows stayed around even when I pressed Q and needed ...
  • 351
0 votes
0 answers
58 views

How to find zombies in network?

Last days I receive reports from my ISP that someone from my network scan ports and trying to connect to openssh services around internet. I assume that nobody does it on purpose, and that someone ...
  • 1
20 votes
2 answers
17k views

How to delete a docker network that does not exist?

I have a docker swarm configuration with 3 nodes. There is a network that sits on only one of the nodes. On that particular node, docker network ls shows the network, docker network rm [network-id] ...
  • 311
1 vote
1 answer
601 views

Do Zombie Process have adverse effects?

Yes, I have gone through a lot of answers, but they don't really specifically say if Zombie Processes will have any adverse effects in the longer run or not. I have an application that creates a ...
3 votes
1 answer
4k views

init doesn't kill zombies

I have some zombie processes on my system. I've killed the parent of those zombies hoping init will take over and free up the resources (lots of sockets in CLOSE_WAIT). However init is not removing ...
  • 1,298
1 vote
0 answers
812 views

Zombie process blocking port when restarting Hadoop (Secondary) Namenode

I'm having weird issues with the Hadoop Namenode and Secondary Namenode. Our HDFS cluster runs smoothly most of the time. But every now and then, either the Primary Namenode freezes (crashing the ...
1 vote
0 answers
253 views

Hundreds of zombie sh processes spawn then die

I have a few Ubuntu Server 14.04.03 LTS boxes that will occasionally spawn hundreds of zombie sh processes. This process spike will be picked up by the monitoring system, and send an alert. I found ...
  • 11
-2 votes
1 answer
359 views

How to understand output of top command

How to understand output for top as Load Average is continuously increasing but can't understand which process is eating cpu because %cpu utilization for process is maximum 0.7 but load average is ...
1 vote
1 answer
856 views

strange strace output of httpd process of apache running django with mod_wsgi

I have about 12 httpd processes running for an RHEL aws box that no one is hitting in the browser (shared team dev box). These processes together are consuming over 1.8 GB on the dev box, and I have ...
0 votes
1 answer
690 views

List mapped zombie drives in powershell

I'm writing a little powershell script for some basic logs that have to be generated. Right now I'm stuck with logging mapped network drives: $colDrives = Get-WmiObject Win32_MappedLogicalDisk -...
1 vote
1 answer
1k views

Solaris 10 init failing to reap zombie processes

ps currently shows 17617 zombie processes, all of which have a ppid of 1/init. init should be reaping these defunct processes, but isn't for some reason. The number of defunct processes is growing. ...
  • 6,828
2 votes
2 answers
4k views

Zombie processes still alive and working fine, but can't be killed?

Am I misunderstanding something, or should this not be possible? All my daemon processes are in zombie state after I tried to stop the control service: # ps ax | grep controller 13768 pts/11 S+ ...
  • 1,495
8 votes
2 answers
16k views

Remove a zombie process from the process table

I've got an annoying zombie process that gets adopted by init, and it won't go away. I've read there is a way to create a dummy process, attach the zombie as a child of that new process and then kill ...
1 vote
3 answers
2k views

What happens when pid_max is reached

As the title suggests, what happens when pid_max (32bit standard is 32768) is reached with many zombie-processes? On our server a user generates a lot of suphp defunct zombie processes and this ...
3 votes
2 answers
2k views

Is it possible to get zombie process exit status from shell?

If i execute 'ps' command in shell, i can get some processes marked as '' - they are exited, but parent process don't receive they exit status yet. Sometimes, while debugging network apps, i need to ...
  • 3,415
1 vote
1 answer
511 views

Graphite Running using daemon tools getting defunct

I am running carbon-cache.py and carbon-aggregator.py using daemon tools. When I made some changes in the storage-schema.conf and tried to restart the carbon-cache.py, I found that it is becoming ...
3 votes
1 answer
6k views

Nagios Creating lots of zombie process

In my monitoring box, I have lots of zombie process created by nagios and they gets remove quickly also. I am using active checks to perform monitoring of my servers. I accumulated the defunct ...
73 votes
3 answers
76k views

Ubuntu displays "There is 1 zombie process" upon login

This message appears when I login to my machine: There is 1 zombie process. What is it telling me? Is this anything I should worry about? If yes, then what should I do, and how?
  • 2,328
0 votes
3 answers
405 views

Which one is the zombie's parent?

admin@dummy$ ps -l F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD 0 S 1000 22156 22155 0 80 0 - 1545 wait pts/0 00:00:00 bash 0 S 1000 22997 1 0 80 0 - 4743 ...
3 votes
1 answer
1k views

Seeking clean resolution for zombie who caused by git fetch / ubuntu motd

I have jenkins and gitosis running on the same [Ubuntu 10.04] server. Jenkins fetches git commits from a repo served by gitosis (also running on the same server). Many repos, actually, since there are ...
0 votes
1 answer
1k views

php-fpm lot of childs zombies exiting after huge amount of seconds + 502 errors

I'm facing the following problem on my nginx/php-fpm server : I get random 502 (bad gateway) errors on AJAX calls (autocompletion actually). Everything else is working fine, except autocompletion. On ...
1 vote
5 answers
6k views

How can I keep my server from being clobbered by zombies from this Ubuntu cron job to remove PHP sessions?

I recently noticed when I logged in that I had several thousand processes marked "zombie". Upon further investigation, I found the following from ps fax: 701 ? Ss 0:28 cron 3363 ? ...
4 votes
0 answers
2k views

In Windows 2008R2 there is a TCP port that is stuck LISTENING but the process that has it open is terminated?

I have a program, NC_net that allows Nagios to monitor Windows machines for various metrics and it seems to have caused a sporadic issue where when the service stops, the TCP port remains open. The ...
  • 181
7 votes
2 answers
7k views

Ubuntu load average spikes but CPUs are idle

We have a server on a cloud network, provided by a third party. We are running Ubuntu 10.04 Server Edition. The problem happens at seemingly random times, around one to three times a day. The load ...
  • 249
18 votes
5 answers
53k views

Best way to kill Zombie and D state processes in linux

What is the best way to kill Zombie processes and D state process by single command.
  • 856
3 votes
1 answer
3k views

Linux kernel crash analysis. Blocked processes, IO and uninterruptible wait

I have a multiuser ERP application running on a CentOS 5.5 platform. The hardware is HP ProLiant DL380 G6. This has been a stable system for the past year, but there have been problems over the past ...
  • 195k
1 vote
2 answers
204 views

What can I do when my webserver (Apache/2.2.3 on Centos 5.5) takes longer than 10 seconds to respond to a nagios web request on port 80

Hyperic says there is a zombie process around the same time. How can I figure out what process it is and go from there? It usually happens every day between Midnight and 1AM, but it has occured ...
87 votes
6 answers
227k views

How do you free up a port being held open by dead process?

A colleague of mine recently ran into a problem where a process that had supposedly died was still bound to a network port, preventing other processes from binding to that port. Specifically, netstat ...
-1 votes
2 answers
1k views

Why would VMWare to go defunct? How to recover from/prevent it?

I am running VMWare Server 2.0.2 (Build 203138) on a dual core Intel i5 with Ubuntu Server 10.04 LTS system (kernel 2.6.32-22-server #33-Ubuntu SMP). Disk Subsystem is a software RAID5 array. The ...
  • 9,011
3 votes
3 answers
2k views

How do hackers really achieve "anonymity"?

I asked if proxies really provide anonymity, and would like to know how hackers do it when they try to attack government websites and such. They hack PCs making them zombies and them controlling ...
0 votes
3 answers
4k views

init never reaping zombie/defunct processes

On my Fedora Core 9 webserver with kernel 2.6.18.8, init isn't reaping zombie processes. This would be bearable if it wasn't for the process table eventually reaching an upper limit where no new ...
user avatar
0 votes
2 answers
592 views

Suse 10: svnserve exit with signal 11 and hangs

We are using svn (1.6.3)+sasl integration. After installationon on Suse 10.x (64 bits) I found that svnserve hanged sessions ("ps ax" shows more and more hanged svnserve processes). Xinetd logs ...
  • 417
40 votes
7 answers
42k views

What is a zombie process and how do I kill it?

Virtual Shotguns?
  • 14.2k