r320358 panics immediately on boot / AMD64-GENERIC kernel

[Konstantin Belousov]

On Tue, Jun 27, 2017 at 12:09:56PM -0400, Michael Jung wrote:
> Screen image with backtrace
> 
> https://pasteboard.co/dZRVG5Uo.jpg
> 
> 
> After upgrading from 318959 to 320358 I immediately get the attached 
> panic.
> 
> This is AMD64 / GENERIC kernel.
> 
> /boot/loader.conf is empty.
> 
> The system boots off a UFS2 partition.
> 
> This is a virtual guest and I do currently have a serial cable.
> 
> Short of figuring out how to virtualize a serial console from a ESXi 
> guest is
> there any more information I can provide?

Rebuild the kernel after removing the kernel build directory.