Trying to run an older head in a recent Bhyve.

[Peter Grehan]

Hi Willem,

> I'm trying to run one of my older VM's and get the crash below in the VM
> when trying to boot...
>
> This happens both on an older BSD:
> FreeBSD 11.0-CURRENT (FREETEST) #1 r273066M: Sun Oct 19 00:59:06 CEST 2014
> As well as on a very recent:
> FreeBSD 11.0-CURRENT (BHYVE00) #0 r274490M: Fri Nov 14 02:42:43 CET 2014
>
> The older 10.0 VM's do boot normally
>
> Any suggestions on what this might be, and/or how to debug this..

  Did the disk image backing file change by any chance ? e.g. from file 
to zvol ?

  What's the version of the VM that has the issue ?

later,

Peter.