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Date:      Mon, 8 Jun 1998 08:40:02 -0700 (PDT)
From:      jher <jher@io.com>
To:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: kern/6858: inetd in realloc(): warning: junk pointer, too low to make sense.
Message-ID:  <199806081540.IAA11039@freefall.freebsd.org>

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The following reply was made to PR kern/6858; it has been noted by GNATS.

From: jher <jher@io.com>
To: Greg Lehey <grog@lemis.com>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: kern/6858: inetd in realloc(): warning: junk pointer, too low to make sense.
Date: Mon, 8 Jun 1998 10:31:44 -0500

 Sure, that fixes inetd, but that doesn't make my cronjobs work.  Thats the
 main problem.
 
 On Fri, Jun 05, 1998 at 09:46:57AM +0930, Greg Lehey wrote:
 > This symptom seems much more common than this message would suggest.
 > I've seen it in cases where the system has run out of swap, but that
 > doesn't seem to be a requirement.  The "fix" is rather heavy-handed.
 > I've always been able to restart inetd and keep it quiet for some
 > time.
 > 
 > Greg
 > 
 > On Thu,  4 June 1998 at 10:18:42 -0700, jher@io.com wrote:
 > >
 > >> Number:         6858
 > >> Category:       kern
 > >> Synopsis:       inetd in realloc(): warning: junk pointer, too low to make sense.
 > >> Confidential:   no
 > >> Severity:       serious
 > >> Priority:       high
 > >> Responsible:    freebsd-bugs
 > >> State:          open
 > >> Quarter:
 > >> Keywords:
 > >> Date-Required:
 > >> Class:          sw-bug
 > >> Submitter-Id:   current-users
 > >> Arrival-Date:   Thu Jun  4 10:20:01 PDT 1998
 > >> Last-Modified:
 > >> Originator:     jher
 > >> Organization:
 > > Illuminati Online
 > >> Release:        3.0-980518-SNAP
 > >> Environment:
 > > FreeBSD solomon.io.com 3.0-980518-SNAP FreeBSD 3.0-980518-SNAP #0: Tue Jun  2 19:22:49 CDT 1998     jher@solomon.io.com:/usr/src/sys/compile/SOLOMON  i386
 > >
 > >> Description:
 > > I boot the machine, run my innd server o it and after its 12am expire
 > > run, the machine starts screwing up.  The expire run is very memory
 > > intensive and usually eats about 200megs of ram.  As soon as it starts,
 > > sshd can no longer malloc correctly and tries to malloc 1+gig of memory
 > > whenever I ssh into the machine.  I therefore resort to telnetting in and
 > > get the message:
 > > inetd in realloc(): warning: junk pointer, too low to make sense.
 > > but it lets me login.  From that point forward, the cronjobs cease to
 > > run correctly.  Basically they startup and exit immediately.  If I send
 > > a HUP to sshd's pid, it returns to normal and I can ssh in.  Of course,
 > > since cron no longer functions correctly, news is failing to get expired
 > > etc.  If I reboot, it usually corrects the problem until the cronjob
 > > for news runs at midnight.
 > > I'm on a P-II 266Mhz, with 256M SDram, 2940UW scsi (2 controllers), SMC
 > > 10/100 Etherpower, and an LX-6 Motherboard.
 > >
 > > I'm running an SMP version of the same release on a Dual PPro 200Mhz
 > > machine with DPT and 2904UW, and SMC 10/100 without having the same
 > > problem.  The kernel has esentially the same compile options.  This
 > > machine is also running innd and its nightly news.daily (expire) run
 > > has a larger amount of data to work with and so far its been flawless.
 > > Oh and the Mainboard is an ASUS board.
 > >> How-To-Repeat:
 > > wait for the news.daily run to happen from the 12am crontab
 > >> Fix:
 > > reboot
 > >> Audit-Trail:
 > >> Unformatted:
 > 
 > --
 > See complete headers for address and phone numbers
 > finger grog@lemis.com for PGP public key
 > 
 
 -- 
 jher@io.com	Senior Systems Engineer 	jher@fnord.org	Pope
                          http://www.fnord.org
 
 Today is Prickle-Prickle, day 13 in the season of Confusion, 3164.

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