Freebsd 9.3-RELEASE and Virtualbox

[Rob Rati]

On Sep 28, 2014, at 12:18 PM, Eduardo Morras wrote:

> On Sun, 28 Sep 2014 11:21:18 -0400
> Rob Rati <lists at midsummerdream.org> wrote:
> 
>> I've tried upgrading my 9.2-RELEASE system to 9.3-RELEASE a few
>> times, but each time I had to revert because starting any Virtualbox
>> VMs causes a kernel panic.  I found this thread about the issue:
>> 
>> https://lists.freebsd.org/pipermail/freebsd-emulation/2014-August/011767.html
>> 
>> What I don't understand is why it is expected that the repository
>> kernel module wouldn't be in sync with the 9.3-RELEASE kernel. Is it
>> because the packages are relevant to all 9.x releases and there's no
>> way to have a kernel module work with them all?  If so, why bother
>> having a kmod package at all?
> 
> Did you update /usr/src to 9.3 too? Kernel module needs to use some /usr/src source code to compile and the resulting kernel module will work only on that /usr/src version kernel.

I don't have any src installed.  The virtualbox kernel module I am using is from the prebuild packages.  I've never built the kernel module and don't have the kernel src installed.

>> On a related note, how difficult is it to build the kernel module?  I
>> have never built it from source in the past and don't even have
>> kernel sources installed.  I use stock kernels from the releases.
>> Are there ways this build can get screwed up if options/packages
>> aren't correct?
>> 
>> Rob
> 
> ---   ---
> Eduardo Morras <emorrasg at yahoo.es>
> 

Rob