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Cant kill process on AIX

Posted on 2011-09-05
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Last Modified: 2012-05-12
Hi
I cant kill a process which is running on AIX 6.1.

I have tried kill -9/12/15 etc etc and all wont kill the process.

The process was a script which ran some progress 10.1c code, the code failed so I disconnected the pid from the database and now I cant kill it from the os.

ps aux shows

USER          PID %CPU %MEM   SZ  RSS    TTY STAT    STIME  TIME COMMAND
admin     7602286  0.0  0.0 11356 10752      - A    06:28:52  0:42 /usr/progress/

admin  7602286        1   0 06:28:52      -  0:42 /usr/progress/10.1c/dlc/bin/_progres -pf /lsl/live/stats/batch/statsload_ym/config/connect_stats.pf -p mp_transform.r

kill -12 and -9 wont work.

Any ideas?  I dont want to have to reboot. This is a new power 7 server we have migrated too, is they some config we need to do for kill?  I could kill the .sh script but not the pid for progress.


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Question by:MarkBourn
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woolmilkporc earned 2000 total points
ID: 36482842
Hi,

if you can't kill a process this usually means that it's waiting for some kind of kernel service (usually I/O or maybe IPC) which doesn't return.

Since the process doesn't have any connection to its parent anymore this state will most probably persist forever.

This has nothing to do with Power 7 or AIX 6.1 but is normal behavior.

That's to say: Reboot, if you really must get rid of the beast.

wmp

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