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Date: Wed, 01 Jul 2015 17:56:48 -0400
From: Kurt Lidl <lidl@pix.net>
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To: Chris Ross <cross+freebsd@distal.com>
CC: Glen Barber <gjb@FreeBSD.org>, freebsd-stable@freebsd.org
Subject: Re: New FreeBSD snapshots available: stable/10 (20150625 r284813)
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On 7/1/15 11:52 AM, Chris Ross wrote:
>
>> On Jul 1, 2015, at 11:34, Kurt Lidl <lidl@pix.net> wrote:
>> I discovered that if I comment out the following lines
>> from my /etc/rc.conf, the machine boots reliably:
>>
>> ifconfig_bge0="DHCP"
>> ifconfig_bge0_ipv6="inet6 accept_rtadv"
>>
>> Of course, with no network connection, it's not a very useful machine,
>> but this probably is important to know while debugging the cause of
>> the problem.
>
>    I had realized that bringing the interface up was the trigger for the panic.
> An interesting thing, given the above, would be to note whether using
> a static IPv4 address (i.e., not DHCP or SYNCDHCP which is what I have),
> or whether disabling IPv6 or IPv6 accept_rtadv would make any difference.
>
>    I’m guessing it won’t matter, but I also have a similar config in my rc.conf,
> so testing a wider variety of configs might be of value.

To answer the question...

If you take out the IPv6 configuration it doesn't panic!

(I updated the bug with this information too.)

-Kurt