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Date:      Sat, 20 Apr 1996 00:05:40 +0000
From:      Christoff Snijders <hjcs@portal.ca>
To:        questions@freebsd.org
Subject:   Spontaneous reboots
Message-ID:  <31782A54.41C67EA6@portal.ca>

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Hi there, FreeBSD guru(s):

Firstly, thanks for a really great product (FreeBSD)!  Oh, what the
heck--thanks for a really great suite of products (BSDI, FreeBSD,
NetBSD. . .)   :-)

I posted a message on the comp.unix.bsd.freebsd.misc newsgroup, but
haven't received any replies yet, so I thought I'd post a message here,
too.

Almost every morning (with literally one or two exceptions), for about
the last four or five days, when I check my FreeBSD box, it has rebooted
itself.  I checked the obvious (power), but that wasn't the problem.

Instead, after some testing, I've discovered that it may be a matter of
memory (Signal 11) errors which aren't given the chance to generate core
dumps, but instead reboot the machine.

I can reproduce one of the errors.  If I log in as one of my users who
is on group wheel, and I run xdtm (from the ports collection), the
program core-dumps (signal 11).  If I run the same command as root, it
runs perfectly for a while, then core-dumps, too.  Okay, it could be a
bad executable or buggy code, so not really serious.

Serious, however, are the reboot problems, which are occurring with
/etc/daily (run by cron at 02:00), which I have not (yet) modified from
its original form.  Specifically, I think the problem is with find.

>From time to time, even when I perform a find manually (though more
rarely by this method than by cron)--say, for example,

find / -name text.txt -print

the machine will pause for a moment or two, and then reboot itself.

While, in principle, I'm not unwilling to consider the possibility of
faulty RAM or a faulty motherboard, I believe this is unlikely, since I
am also running Windoze 95 on the same machine with a slew of (some
really demanding, processor & FPU-wise) applications, and I receive no
errors.

The machine is a Gateway 2000, with

Intel Pentium 120
AMI BIOS
16MB EDO RAM
STB Trio 64V+ video card (PCI)
IDE Western Digital Caviar 21200 1.2GB hard disk
Wearnes 6X IDE CD-ROM drive
Telepath 28.8 Fax Modem
1.44MB 3.5" floppy drive
PS/2-style mouse
104-key keyboard

Any ideas?  With the exception of the occasional Signal 11 error, the
machine is running fine, as is BSD, and I *really love* this operating
system, and would love to see it run with stability.

Is there anything in -STABLE or -CURRENT you think might solve my
problems?

Thanks in advance.

-- 
Christoff Snijders
hjcs@portal.ca



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