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

[Mark Saad]

On Wed, Jul 22, 2015 at 1:54 PM, Garrett Cooper <yaneurabeya at gmail.com>
wrote:

>
> > 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


NGie
 I'll try the queues option but; why was does that kill my ehci hub ? Note

ehci0: <Intel Patsburg USB 2.0 controller> mem 0xdd923000-0xdd9233ff irq 16
at device 26.0 on pci0
panic: Couldn't find an APIC vector for IRQ 16


-- 
mark saad | nonesuch at longcount.org