From owner-freebsd-amd64@FreeBSD.ORG  Thu May 13 13:10:09 2010
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Date: Thu, 13 May 2010 13:10:08 GMT
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To: freebsd-amd64@FreeBSD.org
From: Martin Matuska <mm@FreeBSD.org>
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Cc: 
Subject: Re: amd64/145039: spin lock held too long amd64 mp_machdep.c
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The following reply was made to PR amd64/145039; it has been noted by GNATS.

From: Martin Matuska <mm@FreeBSD.org>
To: bug-followup@FreeBSD.org, ben.cadieux@gmail.com
Cc:  
Subject: Re: amd64/145039: spin lock held too long amd64 mp_machdep.c
Date: Thu, 13 May 2010 15:00:53 +0200

 This is a problem of the VirtualBox kernel module and/or interaction of
 it with VirtualBox.
 I experienced the same problem.
 
 Also this user here:
 http://lists.freebsd.org/pipermail/freebsd-emulation/2010-January/007359.html
 
 You should compile your kernel with INVARIANT_SUPPORT, INVARIANTS and DEBUG
 and report more information about the panics.