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To: FreeBSD current <freebsd-current@freebsd.org>
Subject: Re: 13.0-CURRENT drops to debugger on shutdown with IPNAT enabled
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On Sun, 20 Jan 2019 13:09-0500, David Boyd wrote:

> 13.0-CURRENT drops to debugger on shutdown with IPNAT enabled.
> 
> Running in VirtualBox 6.0.2.
> 
> The identical configuration running 12.0-RELEASE-p2, 12.0-STABLE, 11.2-
> RELEASE-p8 and 11.2-STABLE do not exhibit this behavior.
> 
> This (VM) is a test machine and I can do anything that will help
> identify the root of this problem.

Is the VM configured to use UEFI as the boot firmware?

I've noticed 13.0-CURRENT fails to poweroff, be it by way of shutdown 
-p now or halt -p, when using UEFI on VBox 5.2.x and 6.0.y. shutdown 
-h and plain halt works as intended. Maybe this is completely 
unrelated to your issue.

> I have included screenshots of the debug output and a backtrace.

The screenshots got stripped off by the mailman list software. Can you 
reupload them somewhere else, or transcribe the relevant details?

-- 
Trond.