Date: Mon, 24 Aug 1998 10:13:46 -0400 (EDT) From: Garrett Wollman <wollman@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 ? Message-ID: <199808241413.KAA26862@khavrinen.lcs.mit.edu> In-Reply-To: <19980824115816.A15512@mars.hsc.fr> 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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