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From: DervishD <lkml@dervishd.net>
To: Gene Heskett <gene.heskett@verizon.net>
Cc: linux-kernel@vger.kernel.org, "Måns Rullgård" <mru@inprovide.com>
Subject: Re: is killing zombies possible w/o a reboot?
Date: Wed, 3 Nov 2004 20:26:48 +0100	[thread overview]
Message-ID: <20041103192648.GA23274@DervishD> (raw)
In-Reply-To: <200411031353.39468.gene.heskett@verizon.net>

    Hi Gene :)

 * Gene Heskett <gene.heskett@verizon.net> dixit:
> >    Then the children are reparented to 'init' and 'init' gets rid
> > of them. That's the way UNIX behaves.
> Unforch, I've *never* had it work that way.  Any dead process I've 
> ever had while running linux has only been disposable by a reboot.

    Well, you know, shit happens... Anyway, could you define 'dead'?
Because if you're talking about zombies whose parent dies, they're
killable easily: just wait until init reaps them (usually in less
than 5 minutes since they dead). If you are talking about zombies who
has their parent alive, then it's a bug in the application, not the
kernel. In fact I wouldn't like if the kernel reaps my children
before I do, just in case I want to do something.

    If you're talking about unkillable processes (those stuck in
disk-sleep state), you're right: only rebooting can kill them
(although sometimes they go out of D state and die normally). Bad
luck for you if any dead process you've ever had while running linux
has been of this kind :(

    Raúl Núñez de Arenas Coronado

-- 
Linux Registered User 88736
http://www.dervishd.net & http://www.pleyades.net/

  parent reply	other threads:[~2004-11-03 19:29 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-03 12:51 is killing zombies possible w/o a reboot? Gene Heskett
2004-11-03 14:33 ` bert hubert
2004-11-03 14:49   ` Måns Rullgård
2004-11-03 15:25     ` DervishD
2004-11-03 15:25       ` Måns Rullgård
2004-11-03 17:49         ` DervishD
2004-11-03 16:47       ` Gene Heskett
2004-11-03 17:44         ` DervishD
2004-11-03 18:53           ` Gene Heskett
2004-11-03 19:01             ` Doug McNaught
2004-11-03 19:03             ` Måns Rullgård
2004-11-03 19:24               ` Gene Heskett
2004-11-03 19:33                 ` Doug McNaught
2004-11-03 19:34                 ` Måns Rullgård
2004-11-03 19:06             ` Valdis.Kletnieks
2004-11-03 19:26               ` Gene Heskett
2004-11-03 19:33                 ` Valdis.Kletnieks
2004-11-03 20:09                   ` Gene Heskett
2004-11-04 19:24                     ` Bill Davidsen
2004-11-03 19:42                 ` DervishD
2004-11-03 23:12                   ` Bill Davidsen
2004-11-04 10:26                     ` DervishD
2004-11-04 14:23                       ` Paul Slootman
2004-11-04 14:56                         ` Gene Heskett
2004-11-04 18:24                         ` DervishD
2004-11-04 19:22                       ` Bill Davidsen
2004-11-04 20:53                         ` DervishD
2004-11-03 19:26             ` DervishD [this message]
2004-11-03 20:18               ` Gene Heskett
2004-11-03 22:15               ` Jim Nelson
2004-11-03 22:44                 ` Russell Miller
2004-11-03 23:03                   ` Doug McNaught
2004-11-03 23:33                     ` Russell Miller
2004-11-03 23:47                       ` Mathieu Segaud
2004-11-03 23:56                         ` Russell Miller
2004-11-04  0:05                           ` Mathieu Segaud
2004-11-04  6:39                       ` Denis Vlasenko
2004-11-05  2:38                         ` Elladan
2004-11-05  3:10                           ` Tim Connors
2004-11-05  3:17                             ` Russell Miller
2004-11-05  4:38                             ` Elladan
2004-11-05  5:00                             ` Kyle Moffett
2004-11-04 20:06                       ` Bill Davidsen
2004-11-03 23:06                   ` vlobanov
2004-11-04 10:04                   ` Helge Hafting
2004-11-04 17:16                     ` Alex Bennee
2004-11-04 16:30                 ` Pedro Venda (SYSADM)
2004-11-04 22:28                   ` Helge Hafting
2004-11-03 23:07               ` Bill Davidsen
2004-11-04  1:19                 ` Michael Clark
2004-11-04 16:01         ` kernel
2004-11-04 16:18           ` Gene Heskett
2004-11-04 16:47             ` kernel
2004-11-04 17:58               ` Gene Heskett
2004-11-03 22:58       ` Bill Davidsen
2004-11-04 10:23         ` DervishD
2004-11-04 19:32           ` Bill Davidsen
2004-11-04 21:11             ` DervishD
2004-11-09 23:31               ` Bill Davidsen
2004-11-10  9:11                 ` DervishD
2004-11-03 23:18       ` Adam Heath
2004-11-03 16:38     ` Gene Heskett
2004-11-03 16:24   ` Gene Heskett
2004-11-03 16:46     ` linux-os
2004-11-03 19:12       ` Gene Heskett
2004-11-03 19:56       ` Måns Rullgård
2004-11-03 20:13     ` Helge Hafting
2004-11-03 20:40       ` Gene Heskett
2004-11-04  0:43         ` Kurt Wall
2004-11-04  1:01           ` Russell Miller
2004-11-04  1:38             ` Doug McNaught
2004-11-04  1:45               ` Russell Miller
2004-11-04  1:56                 ` Doug McNaught
2004-11-04  1:59                 ` Mitchell Blank Jr
2004-11-04 20:10                   ` Bill Davidsen
2004-11-04 10:07         ` Matthias Andree
2004-11-04 22:31           ` Peter Chubb
2004-11-04 23:33           ` Benno
2004-11-03 20:48 ` Tom Felker
2004-11-03 21:08   ` Gene Heskett
2004-11-04  7:19     ` Jan Knutar
2004-11-04 11:57       ` Gene Heskett
2004-11-04 12:12         ` Jan Knutar
2004-11-04 12:18           ` Gene Heskett
2004-11-04 12:29             ` Jan Knutar
2004-11-04 13:56               ` Gene Heskett
2004-11-04 12:39           ` Gene Heskett
2004-11-04 13:01             ` Ian Campbell
2004-11-04 14:07               ` Gene Heskett
2004-11-04 14:24                 ` Ian Campbell
2004-11-04 15:10                   ` Gene Heskett
2004-11-04 14:26                 ` DervishD
2004-11-04 15:13                   ` Gene Heskett
2004-11-04 13:10             ` Doug McNaught
2004-11-04 14:11               ` Gene Heskett
2004-11-04 14:42                 ` tlaurent
2004-11-04 15:14                   ` Gene Heskett
2004-11-04 20:18             ` Bill Davidsen
2004-11-05  0:29   ` Gene Heskett

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