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Date:      Fri, 5 Jan 2001 20:02:22 +0100 (CET)
From:      Janko van Roosmalen <acs.van.roosmalen@hccnet.nl>
To:        Keith Jones <keithj@sse0691.bri.hp.com>
Cc:        Janko van Roosmalen <acs.van.roosmalen@hccnet.nl>, Odhiambo Washington <wash@iconnect.co.ke>, FBSD-STABLE <freebsd-stable@FreeBSD.ORG>
Subject:   Re: 4.2-STABLE build fails
Message-ID:  <Pine.BSF.4.10.10101051918000.1050-100000@parmenides.utp.net>
In-Reply-To: <20010105151843.A6570@moose.bri.hp.com>

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On Fri, 5 Jan 2001, Keith Jones wrote:

> On Fri, Jan 05, 2001 at 03:04:55PM +0100, Janko van Roosmalen wrote:
> 
> > > I've seen much of this discussed here but mine seems to break at this
> > > point:
> > > 
> > > /usr/obj/usr/src/share/doc/usd/13.viref/troff.core
> > > 
> > > ..and with this msg on the console...
> > > 
> > > Jan  3 18:54:07 alouette /kernel: pid 54505 (troff), uid 0: exited on
> > > signal 11 (core dumped)
> > > Jan  3 18:54:07 alouette /kernel: pid 54523 (troff), uid 0: exited on
> > > signal 11 (core dumped)
> > > 
> > > 
> > > Even a fresh cvsup (after rm-ing all my srcs and usr/obj) does not help.
> > > Any pointer what this 13.viref thing is and how I can sort that out will
> > > be highly appreciated.
> > 
> > The FreeBSD faq mentions that signal 11 points to hardware problems.
> 
> Could people please STOP spreading this myth that all Signal 11's during
> 'make world' are a result of hardware problems. It is highly misleading. How
> would you feel if you acted on this advice and shelled out your hard-earned
> cash for new hardware only to find that it was a software problem after all?
> 
> The chances are that if a signal occurs as the result of running a particular
> program (in this case 'troff'), it's likely to be the version of that program
> or a shared library on which it depends that is broken somehow on the user's
> machine, not the user's hardware.
> 
> You could try manually recompiling and installing 'troff' et al. (located
> in the directory /usr/src/contrib/groff) then rerunning 'make world'.
> -- 
> Keith Jones
> E-Business Service Introduction, GBIT-EMEA (Bristol)
> E: keith_jones@non.hp.com
> T: [+44 117] 312-7602
> 
> I don't speak for Hewlett-Packard.

I think the faq is rather balanced regarding this and points to slow
memory, and recommends adapting memory timings in the BIOS.  

It could be the temperature. Odhiambo lives in Kenia. It is summer there.
Recompiling your system in those climatic conditions is the equivalent of
a burn-in test. I remember a post from someone who reported a hefty
increase increase of the CPU temperature while building world.

Many computer "hardware" problems can be fixed by just refitting
cables, checking if they have sharp bends, pressing chips in sockets or
cleaning card contacts with a pencil eraser if you do not have a contact
enhancing spray.

Another source can be power. There could have been a surge or sag. Years
ago I worked as a temp in a shop where they anodized and welded aluminium.
They had some weird problems with their Apple II which were solved by
using an UPS.

Notwithstanding this, you still have a point. Maybe time to adjust the
FAQ?. I am not a native speaker so I have an excuse to not volunteer ;)

===Janko van Roosmalen - Vught - Netherlands===



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