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Date: Fri, 18 Jun 2010 20:47:13 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: Kris Moore <kris@pcbsd.org>
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Cc: freebsd-emulation@freebsd.org
Subject: Re: VirtualBox 3.2.4 Kernel Panic at Boot
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on 18/06/2010 20:11 Kris Moore said the following:
> 
> Running VirtualBox 3.2.4 here on 8.1-Beta1 - amd64:
> 
> FreeBSD pcbsd-5315 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #1: Tue Jun  1
> 22:41:58 UTC 2010    
> root@build8x64.pcbsd.org:/usr/obj/storage/builds/pcbsd-build81-x64/fbsd-source/8.1/sys/PCBSD 
> amd64
> 
> Got the new VB 3.2.4 built, and installed. Works just fine when I first
> load and kldload the modules. However when I go to reboot, the vbox
> modules are causing a kernel panic almost immediately after ZFS inits:
> 
> http://www.pcbsd.org/~kris/VBoxCrash3.2.4.jpg
[snip]
> 
> 
> Any ideas?

Yes.  Try to obtain a crash dump by configuring a dump device.
At the very least add KDB_TRACE and its dependencies to your kernel config.
Otherwise we would mostly be shooting in the dark.

-- 
Andriy Gapon