Interesting Boot failure on HEAD with a large number of IGB nics

[Garrett Cooper]

> On Jul 22, 2015, at 10:14, Gary Palmer <gpalmer at freebsd.org> wrote:

...

> I'm no expert, but you may want to try setting
> 
> hw.igb.num_queues=1
> 
> and maybe
> 
> hw.ixgbe.num_queues=1
> 
> in the boot loader and trying that.

There was another discussion that took place around June on current that might be helpful. I think the solution boiled down to what Gary described above, because the driver auto tuning was broken...
Thanks!
-NGie