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From: Jung-uk Kim <jkim@FreeBSD.org>
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Date: Wed, 30 Nov 2011 18:07:18 -0500
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Cc: Gleb Kurtsou <gleb.kurtsou@gmail.com>,
	FreeBSD current <freebsd-current@freebsd.org>,
	Alan Cox <alc@freebsd.org>, Andriy Gapon <avg@freebsd.org>
Subject: Re: Freeze with 10.0 and VirtualBox {4.1.4|4.1.6|4.1.51r38464}
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On Wednesday 30 November 2011 05:32 pm, Andriy Gapon wrote:
> on 26/11/2011 18:33 Gleb Kurtsou said the following:
> > Using new vm_page_alloc_contig() may be a better option here.
> > Can't help with patch, stuck with pre Nov 15 CURRENT myself.
>
> on 27/11/2011 19:09 Alan Cox said the following:
> > vm_page_alloc_contig() should be used instead.
>
> My take on the patch:
> http://people.freebsd.org/~avg/vbox-10.patch
> This is for head only, no check for FreeBSD version.

Actually, I did the same thing last night:

http://people.freebsd.org/~jkim/patch-src-VBox-Runtime-r0drv-freebsd-memobj-r0drv-freebsd.c

This is a drop-in replacement for the patch.  The only practical 
difference I see from yours is I used VM_ALLOC_INTERRUPT instead of 
VM_ALLOC_NORMAL.  I believe this function may be used in interrupt 
context.  FYI, I tried FreeBSD 9 and Fedora 10 without problem.

Jung-uk Kim