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- Xref: sparky comp.unix.ultrix:9443 comp.unix.bsd:11717
- Path: sparky!uunet!dove!dove.nist.gov!przemek
- From: przemek@rrdstrad.nist.gov (Przemek Klosowski)
- Newsgroups: comp.unix.ultrix,comp.unix.bsd
- Subject: Zombie processes (Ultrix 4.3/MIPS)
- Message-ID: <PRZEMEK.93Jan22154141@rrdstrad.nist.gov>
- Date: 22 Jan 93 20:41:41 GMT
- Sender: news@dove.nist.gov
- Followup-To: comp.unix.ultrix
- Organization: U. of Maryland/NIST
- Lines: 37
-
- Hello!
-
- We are running a Ultrix 4.3 system with a bunch of X terminals, controlled
- by xdm. The X terminal login sessions result in creating of zombie processes;
- a typical process lineage (from parents to children) might be:
-
- UserId Flags PID WCHN Stat Command
- root 1008001 147 a364c I /usr/bin/X11/xdm
- root 1008001 6134 acc18 I -rrdxt11:0 (xdm)
- peter 11008001 10652 a364c I xterm -geometry 80x24+10+10 -ls +j -sb -fn
- peter 11008401 10658 Z <exiting>
-
- There are usually two such processes, both children of Xterm.
-
- The wait channel for the Xterm process indicates that it waits in
- 'select' (as reported by SPS3.0). The Xsession file execs the xterm
- command as its last action, and the zombies are children of Xterm.
- However, when I added echo/sleep commands to the beginnign of .cshrc
- and .login, I realized that the zombies are created before .cshrc is
- executed. Is there a way to find out how the zombies appear (i.e.
- which images are executed, if any)?
-
- The zombies do not seem ta use memory or CPU time; however, we do seem
- to have a unaccountably high load average, which disturbs mail, among
- other things.
-
- I would appreciate help in finding out what is going on.
-
-
-
- --
- przemek klosowski (przemek@rrdstrad.nist.gov)
- Reactor Division (bldg. 235), E111
- National Institute of Standards and Technology
- Gaithersburg, MD 20899, USA
-
- (301) 975 6249
-