Questions tagged [zombie]
The zombie tag has no usage guidance.
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A linux machine with lots of processes in uninterruptible sleep state
I have a linux machine that has lots of processes in uninterruptible sleep state.
I'd like to know why this happens.
Here's part of the information of running top -o S command:
top - 14:44:51 up 298 ...
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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 ...
- 111
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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
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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 ...
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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] ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
- 277
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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 ...
- 189
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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 -...
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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.
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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+ ...
- 1,502
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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 ...
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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 ...
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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 ...
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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 ...
- 2,778
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ? ...
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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 ...
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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 ...
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5
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60k
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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.
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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