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Date: Mon, 24 Aug 1998 10:13:46 -0400 (EDT)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Message-Id: <199808241413.KAA26862@khavrinen.lcs.mit.edu>
To: Pierre Beyssac <Pierre.Beyssac@hsc.fr>
Cc: Alexander Sanda <entropy@compufit.at>, freebsd-current@FreeBSD.ORG
Subject: Re: encountered possible VM bug ?
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References: <19980824111923.A207@compufit.at>
	<19980824115816.A15512@mars.hsc.fr>
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<<On Mon, 24 Aug 1998 11:58:16 +0200, Pierre Beyssac <Pierre.Beyssac@hsc.fr> said:

> Under out of memory conditions, inetd tends to fall in a weird
> state. Apparently this is an interaction between the malloc library
> and inetd, but nobody has managed yet to find out exactly what
> happens. Maybe error checking is lacking somewhere.

No, this is the ``daemons dying'' bug which nobody has fixed yet.
When the system runs out of swap, some random selection of processes
which are in swap get corrupted.  Usually this results in a daemon
which dies whenever it fork()s, but sometimes it is manifested as
other sorts of corruption.  The message you see from realloc is
indicative of a corrupted pointer.

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick

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