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Date: Sat, 26 Nov 2011 14:44:15 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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Cc: FreeBSD current <freebsd-current@FreeBSD.org>,
	freebsd-emulation@FreeBSD.org, Michael Butler <imb@protected-networks.net>
Subject: Re: Freeze with 10.0 and VirtualBox {4.1.4|4.1.6|4.1.51r38464}
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on 26/11/2011 14:19 Gustau Pérez said the following:
> 
>   Starting Virtualbox in the console in headless mode allows to see what happens
> and get a dump of the panic.
> 
>   The messages I got were not the cause problem. The panic I was able to get
> shows this:
> 
>         http://pastebin.com/dHnB3Xh0
> 
>   I can't get any further with core although I compiled virtualbox-ose-kmod with
> debug symbols (I used make config to enable them, because I think -DWITH_DEBUG
> does not work because kmk is used in the build process).
> 
>   Any help will be appreciated.

vm_phys_alloc_contig implementation has been recently changed and now it seems
to require that vm_page_queue_free_mtx is held.

-- 
Andriy Gapon