*BSD News Article 20929


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From: ura@strix.cluster.sub.org (Ulf Andrick)
Subject: panic: kmem_map too small
Organization: Nocturnal Unix System in Kaiserslautern, Germany
Message-ID: <CDAMD0.5F@strix.cluster.sub.org>
X-Newsreader: TIN [version 1.1 PL8]
Date: Mon, 13 Sep 1993 12:50:59 GMT
Lines: 18

Until some days ago, I had a relatively stable system. It was 386bsd 0.1
with an older patch kit (I have become reluctant to abuse university
facilities for getting new software for my private machine nowadays).
It would run for more than 10 days until rebooted for getting rid of 
some hanging process or so. 

Then, I upgraded from 8 MB RAM to 16 MB. Now, the system reboots
inadvertedly several times a day. As it says `kmem_map too small' I
increased MAX_KMAPENT in /sys/vm/vm_map.h from 1000, as it was after
patch00002, to 2000, even 5000. The only difference seems to be that
there's no RAM image dumped any more.

Is there some other parameter that could be tuned for a larger memory?
Or can it only be a hardware problem (but I don't get any NMIs)?

-- 
Ulf Andrick
ura@strix.cluster.sub.org