Re: Empty, unkillable processes

From: Keith Reed (aixl@MAILMGR.COM)
Date: Fri Aug 02 2002 - 12:02:27 EDT


it comes with monitor, which I got from Bull (www.bullfreeware.com
<http://www.bullfreeware.com> )

--
Keith Reed
UNIX/SAN Administrator
CareTech Solutions, Inc.
Detroit Medical Center
(313) 578-3495
-----Original Message-----
From: Dhotre, Shekhar [mailto:Shekhar.Dhotre.at.T-T.COM@aixl.at.mailmgr.com]
Sent: Friday, August 02, 2002 11:35 AM
To: kreed@dmc.org
Subject: Re: Empty, unkillable processes
Where did you get top for AIX ?
Thnx.
SD
-----Original Message-----
From: Keith Reed [mailto:aixl@MAILMGR.COM]
Sent: Friday, August 02, 2002 11:32 AM
To: aix-l@Princeton.EDU
Subject: Empty, unkillable processes
Looking into a user complaint on an AIX 4.3.3, I saw about 170 processes
that looked like this from a ps -ef command:
12:03AM   up 18 days, 56 mins,  5 users,  load average: 3.24, 3.39, 3.67
   dmcpu 177948      1   1   Dec 31      -  0:00 []
   dmcpu 178332      1   1   Dec 31      -  0:00 []
   dmcpu 178670      1   0   Dec 31      -  0:00 []
   dmcpu 178830      1   0   Dec 31      -  0:00 []
   dmcpu 179058      1   1   Dec 31      -  0:00 []
   dmcpu 179382      1   0   Dec 31      -  0:00 []
   dmcpu 179704      1   0   Dec 31      -  0:00 []
   dmcpu 179952      1   0   Dec 31      -  0:00 []
   dmcpu 180042      1   0   Dec 31      -  0:00 []
   dmcpu 180354      1   0   Dec 31      -  0:00 []
   dmcpu 180878      1   1   Dec 31      -  0:00 []
   dmcpu 181578      1   0   Dec 31      -  0:00 []
   dmcpu 182598      1   1   Dec 31      -  0:00 []
   dmcpu 182928      1   0   Dec 31      -  0:00 []
   dmcpu 183084      1   0   Dec 31      -  0:00 []
The processes could not be removed with a kill -9.
It took a reboot to remove them.
Now, today, on another 4.3.3 box, when I run top I see the following only
until the first refresh of the processes from top:
     0 root       0 -20   20k   24k  non     3:59 33.2/ 0.1
     0 root       0 -20   20k   24k  non     3:59 33.2/ 0.1
     0 root       0 -20   20k   24k  non     3:59 33.2/ 0.1
After top refreshes that first time, I never see them again.
Has anyone seen either of these before? Any theories?
--
Keith Reed
UNIX/SAN Administrator
CareTech Solutions, Inc.
Detroit Medical Center


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