Date: Wed, 16 Oct 2002 01:54:12 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Makoto Matsushita <matusita@jp.FreeBSD.org> Cc: jroberson@chesapeake.net, current@FreeBSD.ORG Subject: Re: Kernel panic with panic: kmem_malloc(4096): kmem_map toosmall... Message-ID: <3DAD2934.D0EA6C41@mindspring.com> References: <20021015111520K.matusita@jp.FreeBSD.org> <20021015232745.B89360-100000@mail.chesapeake.net> <20021016171835E.matusita@jp.FreeBSD.org>
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Makoto Matsushita wrote:
> jroberson> I suspect that there is some other bug then. 1/2 of your
> jroberson> memory should not be consumed by kernel malloc. Do you
> jroberson> have an abnormally large MD or something?
>
> MD devices are used to create installation floppies but no, it should
> be 1.44MB/2.88MB size, relatively small one.
The worst case failure with my "Ugly patch" should be that things hang,
and quit running completey.
If you could save a "vmstat -m" periodically, approaching the problem
this may help us identify where the memory is going, e.g. the output
from running this script:
#!/bin/sh
INTERVAL=20
while true
do
for i in 0 1 2 3 4 5 6 7 8 9
do
vmstat -m > vmstatlog.$i
sync
sleep ${INTERVAL}
done
done
-- Terry
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