From owner-freebsd-emulation@FreeBSD.ORG  Wed Dec 23 14:55:29 2009
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Date: Wed, 23 Dec 2009 09:55:18 -0500
From: Michael Butler <imb@protected-networks.net>
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To: Daichi GOTO <daichi@ongs.co.jp>
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Cc: freebsd-emulation@freebsd.org,
	freebsd-current <freebsd-current@freebsd.org>
Subject: Re: JFYI: VirtualBox stable/unstable setteings (3.0.51.r22902)
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On 12/23/09 00:29, Daichi GOTO wrote:
> In a month, I have been tried to investigate FreeBSD system
> stable/unstable situations and factors around VirtualBox
> bacause frequently my VirtualBox let FreeBSD freeze, panic
> and fatal trap.

Another data point:

setting "vm.pmap.pg_ps_enabled=1" on my core duo seems to invite random 
"fault on no-fault entry" panics. I have been unable to pin this down 
any further because, even with a full debug + invariant kernel, it locks 
solid with no dump saved :-(

	imb