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Ubuntu Cannot Kill Process

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If those answers do not fully address your question, please ask a new question. When sending a signal the application deals with it. If the process waits for input from the resource, such as ‘transfer completed', which never arrives because the devices was removed (for example), then the process can wait forever and becomes Don't confuse with Closing and killing a resource. http://rinfix.com/ubuntu-cannot/ubuntu-cannot-resolve.html

Please click the link in the confirmation email to activate your subscription. Reply Link nixCraft June 18, 2010, 2:43 pmIt may be using pid file stored in /var/run directory. You can't kill zombies...they're already dead! D 11:39 0:00 mount -t ext4 -o uhelper=udisks,nodev,nosuid /dev/sda6 /media/634bad56-5543-40fe-843b-cd31f4a95dba_ sam 2987 0.0 0.0 3328 872 pts/0 S+ 14:22 0:00 grep --color=auto sda [email protected]:~$ After suggestions I tried: [email protected]:~$ sudo umount http://askubuntu.com/questions/59811/kill-pid-not-really-killing-the-process-why

Linux Force Quit

A classical case of long uninterruptible sleep is processes accessing files over NFS when the server is not responding; modern implementations tend not to impose uninterruptible sleep (e.g. I try sigterm first, and if that doesn't work sigkill works for sure. where i can get that?please help me…thanks, Saravanan Reply Link tadag April 22, 2013, 10:04 amthank you for this. Basic Geometric intuition, context is undergraduate mathematics What is the meaning of ''cry oneself"?

can any one help to stop it. Reply Link Reji November 11, 2011, 10:24 amVery nice site.,great explanation Reply Link sathiyanarayanan November 26, 2011, 6:14 pmFor what purpose we use -9 option in kill command , what is share|improve this answer answered Jun 10 '14 at 6:22 chaos 13.6k74259 2 This is very helpful, I have experienced this several times because of hanging I/O access on network disks List Processes Linux Thanks!!!

What, nobody ever watched "night of the living dead"? Linux Pkill Processes that use system critical resources (such as a disk drive) are temporarily given higher priority and therefore cannot be killed while accessing those resources. When init waits for its children to die, it will also reap orphaned and its own zombie processes. What you usually need is -9 handydan918January 12th, 2009, 04:48 AMIf you try normally and the process doesnt die.

In our example, PPID of the zombie is 250. # sudo kill -s SIGCHLD 555 If a zombie process still does not go away, you can kill the parent process (e.g., Linux Find Process By Name For example with an NFS client configured with “hard” interruption policy, you have to either provide an NFS server or reboot. –Gilles Jan 10 '11 at 20:11 add a comment| up From wikipedia An uninterruptible sleep state is a sleep state that won't handle a signal right away. I thought nothing could evade that kill option.

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  2. The eyeballs are a nice garnish, too.
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  4. share|improve this answer edited Mar 28 '13 at 5:58 answered Mar 28 '13 at 5:51 user36054 I had problems killing an ls process accessing an sshfs mount, when the
  5. If the problem is a kernel or hardware bug, what you can do will depend on the nature of the bug.
  6. Why do you want to kill this process?

Linux Pkill

I think someone either the administrator or the OS is killing the process. OBDII across the world? Linux Force Quit Normally, processes cannot block SIGKILL. Linux Stop Command Fortunately, process normally remains in such state not for so long.

I understand this won't change a thing but I wish they have picked a more elaborative name... –rbaleksandar Jul 17 '15 at 14:08 | show 1 more comment up vote 17 weblink UNIX is a registered trademark of The Open Group. The following processes ids aren't working: 16181 16765 5985 7427 7547 The parent of these processes is init ├─collectd(16765)─┬─{collectd}(16776) │ ├─{collectd}(16777) │ ├─{collectd}(16778) │ ├─{collectd}(16779) │ ├─{collectd}(16780) │ └─{collectd}(16781) ├─collectd(28642)───{collectd}(28650) ├─collectd(29868)─┬─{collectd}(29873) Did you check if the process maybe was defunct? Taskkill Pid

I type kill 2200 where 2200 is my PID and the process is not killed. There's a good explanation here. Success! navigate here If kill -9 doesn't kill the program, it means the program is doing some uninterruptible I/O operation.

How to handle swear words in quote / transcription? Linux Process Defunct Should I report it? Ravi Saive says: @Hyo, At least you should have basic knowledge of Hacking...

However, as soon as I terminated the parent process which called the above "kill" statement, 4024 didn't appear any more.

Share this tutorial on:TwitterFacebookGoogle+Download PDF version Found an error/typo on this page?About the author: Vivek Gite is a seasoned sysadmin and a trainer for the Linux/Unix & shell scripting. It becomes a zombie when the parent does not execute a wait to pick up the exit status from its child. OBDII across the world? Linux Killall Learned a lot about zombies and uninteruptable processes. –Sam Stoelinga Jul 3 '13 at 7:39 add a comment| 4 Answers 4 active oldest votes up vote 15 down vote You don't

Does calling a function that mutates static local variables twice in the same expression lead to undefined behavior? up vote 61 down vote favorite 11 I am trying to improve my command line skills and I have encountered a problem where I cannot kill a process. Also if this is a mount from your /etc/fstab, you might want to consider using UUIDs instead of "/dev/sdxn" devices which can change name between boots. http://rinfix.com/ubuntu-cannot/ubuntu-cannot-switch-tty.html Reply Link Mackie Mathew December 9, 2009, 4:40 amI like to get a tree view before killing off a process.

Assigning only part of a string to a variable in bash Find the "unwrapped size" of a list How does Gandalf end up on the roof of Isengard? Most likely this is not the case but better safe than sorry. Note that sigchld has to be sent to the parent of the zombie, not the zombie itself. –Stephanie Jan 21 '14 at 11:21 add a comment| up vote 4 down vote I've tried to clarify this in my edit. –Gilles Jan 11 '11 at 20:07 1 I wrote too killing a zombie doesn't make sense but that doesn't prevent many people

Tagged with: grep command, kill command, killall command, pidof command, ps command, EasyNext FAQ: Why my Apache Server Side Include (SSI) is not working?Previous FAQ: How reduce or shrink Logical Volume How to reply? To find out PID of firefox or httpd process use the following command:pidof httpd pidof apache2 pidof firefoxOR use the combination of ps command and grep command:ps aux | grep httpd Safety - Improve braking power in wet conditions Two-way high power outdoor Wi-Fi What is the significance of the robot in the sand?

What's the problem in such a case, especially since I am the owner of that process. You cannot kill it because it is already dead. It's basically the same as Mohammad Rafiee's solution, but presented in one simple line. –Richard Morgan Apr 10 '14 at 13:45 2 This command clears the zombie from the process Below is an extract from OpenVZ about what is D State of a process.

I hope my experience could help someone out there. The process will even not recognize it, because the kernel ends the process, not the process itself.