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Date:      Wed, 22 Jul 2015 14:20:06 -0400
From:      Mark Saad <nonesuch@longcount.org>
To:        Garrett Cooper <yaneurabeya@gmail.com>
Cc:        Gary Palmer <gpalmer@freebsd.org>,  "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>,  FreeBSD-Stable ML <freebsd-stable@freebsd.org>
Subject:   Re: Interesting Boot failure on HEAD with a large number of IGB nics
Message-ID:  <CAMXt9Naxhk7qqkU8-tjBR_=Y87HYMUHrE8QmK2yc-yabXnMQfQ@mail.gmail.com>
In-Reply-To: <95653312-0F92-40E4-89EE-E8235403D3B9@gmail.com>
References:  <CAMXt9NbJ5quUXwLhLzU9KzpJ0cXGCbHsnmc1D-L3ycKktn6j7A@mail.gmail.com> <20150722171419.GE41419@in-addr.com> <95653312-0F92-40E4-89EE-E8235403D3B9@gmail.com>

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

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



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