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From: Alex Efros <powerman@powerman.asdfGroup.com>
Newsgroups: gmane.comp.sysutils.supervision.general
Subject: Re: runit not collecting zombies
Date: Sat, 2 Jun 2007 17:55:53 +0300
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Hi!

On Sat, May 26, 2007 at 01:01:14PM -0400, Paul Jarc wrote:
> Alex Efros <powerman@powerman.asdfGroup.com> wrote:
> > So only I can provide is partial `ps axf` output:
> 
> Check "ps -ef" to verify that these zombies have 1 as their PPID.

It just happens again!! :-(

And yeah, all these processes has PPID=1:

UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 May26 ?        00:00:40 runit
...
bets     16454     1  0 04:14 ?        00:00:00 [SpiderAuto] <defunct>
bets     22692     1  0 04:15 ?        00:00:00 [SpiderAuto] <defunct>
bets      2027     1  0 04:15 ?        00:00:00 [SpiderAuto] <defunct>
bets     17471     1  0 04:15 ?        00:00:00 [SpiderAuto] <defunct>
...
bets     21649     1  0 09:25 ?        00:00:01 [SpiderAuto] <defunct>
bets     22188     1  0 09:25 ?        00:00:00 [SpiderAuto] <defunct>
ebook     4304     1  0 09:46 ?        00:00:00 [chpst] <defunct>
ebook    30650     1  0 09:51 ?        00:00:00 [chpst] <defunct>
...
ebook     5492     1  0 12:46 ?        00:00:00 [chpst] <defunct>
sshd     20961     1  0 13:01 ?        00:00:00 [sshd] <defunct>
sshd     20915     1  0 13:01 ?        00:00:00 [sshd] <defunct>
sshd      4653     1  0 13:01 ?        00:00:00 [sshd] <defunct>
...
sshd     18475     1  0 13:05 ?        00:00:00 [sshd] <defunct>
sshd     18954     1  0 13:05 ?        00:00:00 [sshd] <defunct>
ebook    13994     1  0 13:11 ?        00:00:00 [chpst] <defunct>
ebook    27178     1  0 13:31 ?        00:00:00 [chpst] <defunct>
...

I've no idea what to do... reboot server every week isn't good idea...
rollback to runit-1.4.1 - I'm not sure it will work well with linux kernel
2.6.20 (I remember there was some discussion about issues with runit and
newer linux kernel which was fixed in 1.5.0 if I remember correctly).

Maybe somebody can provide me with instructions how to debug this issue
next time it happens (strace can't attach to runit)?


P.S. Not sure is it important, but currently used kernel is 2.6.16, and I
wanna upgrade to 2.6.20 soon.

-- 
			WBR, Alex.