From owner-freebsd-fs@FreeBSD.ORG  Wed Mar  7 14:07:53 2007
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Date: Wed, 7 Mar 2007 23:07:41 +0900
From: Norikatsu Shigemura <nork@FreeBSD.org>
To: Michael Reifenberger <mike@Reifenberger.com>
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Cc: freebsd-fs@FreeBSD.org, pjd@FreeBSD.org,
	Norikatsu Shigemura <nork@FreeBSD.org>
Subject: Re: Messages & dump with ZFS
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On Wed, 7 Mar 2007 13:39:51 +0100 (CET)
Michael Reifenberger <mike@Reifenberger.com> wrote:
> # zpool create test -m /mnt/test /dev/md11 /dev/md12
> # ( cd /mnt/test; iozone -s100m -r1m )
>    #Here I get a panic kmem_malloc(16384): kmem_map too small: 83247104 total
>     allocated if I have 128MB memory assigned to the VM
> # zpool export test
> # zpool import test
> After all I have the attached messages on the screen.
> What else can I debug?

	Well known problem.

	Set VM size 320MB to 800MB like vm.kmem_size=838860800 in
	/boot/loader.conf.  But I don't test that size:-).  I'm
	testing with vm.kmem_size=1610612736.  So I'm using
	my kernel with options KVA_PAGES=512.