*BSD News Article 65308


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From: jimtoro@hoflink.com
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: BSDI 2.1 trap 12
Date: Sat, 6 Apr 1996 16:42:41 -0500
Organization: LI Net (Long Island Network)
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Message-ID: <Pine.BSI.3.91.960406163612.452A-100000@hoflink.com>
References: <4k2cn4$16t@ventus.adelaide.on.net> <4k42nm$s9n@moon.igcom.net>
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I am running a P60 with 16 megs of ram and v2.1 of BSDI. Most of my users run
Slirp v1.0c and it seems that when the system gets pretty loaded every 
now and then I get a trap 12 vm error the system dumps and reboots. I was
told there was a known bug in bsd and 2.1 fixes this. I put up asyncd, even
put up 3 of them but this still happens.  Seems to be happening when free
pages of mem (systat -vmstat 2) gets down to a few hundred and then paging
starts to pick up.  
 
Is this an common occurance due to my memory size (I often have 16 to 18
people online running slirp/pine/lynx/etc...   Or is this error due to 
something more subtle like a bug.

Is there any kind of faq out there on how to figure out some of the info
from the panic dump/ trap info that bsd puts up before rebooting?.
 
Anyone with more knowledge of how to calc memory needs, please email
me or let me know of anything you can to help.  thanks very much.