From owner-freebsd-stable@freebsd.org  Wed Jul  1 15:34:19 2015
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Date: Wed, 01 Jul 2015 11:34:17 -0400
From: Kurt Lidl <lidl@pix.net>
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To: Glen Barber <gjb@FreeBSD.org>, Chris Ross <cross+freebsd@distal.com>
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Subject: Re: New FreeBSD snapshots available: stable/10 (20150625 r284813)
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On 7/1/15 8:15 AM, Kurt Lidl wrote:
> On 6/30/15 10:54 PM, Glen Barber wrote:
>
>> Kurt, could you please create a PR and point me to the PR number so RE
>> can put it on our watch list?
>
> The PR is: 201245
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201245
>
> I put the short version of the panic backtrace in the bug, and
> attached the full core.txt.0 file to the bug as well, as it
> contains the detailed backtrace.

(I updated the bug with the following information too.)

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.

-Kurt