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Date:      Wed, 01 Jul 2015 17:56:48 -0400
From:      Kurt Lidl <lidl@pix.net>
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)
Message-ID:  <55946220.5050109@pix.net>
In-Reply-To: <C6D0BB56-5A08-4C71-B1B1-CC8B38F902D2@distal.com>
References:  <20150626174927.GA69720@FreeBSD.org> <559330CF.2050606@pix.net> <20150701001613.GH5423@FreeBSD.org> <55934CFB.7050407@pix.net> <56A9EB91-2F97-4096-99C8-26D3EFC13D2D@distal.com> <20150701023640.GM5423@FreeBSD.org> <29FAA191-D0E5-4127-B016-65B4AE42ABE8@distal.com> <20150701025433.GN5423@FreeBSD.org> <5593D9ED.4080402@pix.net> <55940879.8060604@pix.net> <C6D0BB56-5A08-4C71-B1B1-CC8B38F902D2@distal.com>

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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





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