pagefault in IPv6 codepath in defrouter_select()

[hiren panchasara]

My mailclient is doing something funny. Sorry for that. Trying again to
reply to this tread actually.

On 03/26/15 at 09:55P, Andrey V. Elsukov wrote:
> On 26.03.2015 00:48, hiren panchasara wrote:
> > This is 3rd occurence of this panic. What could be the cause?
> > I have vmcore and can provide more info if needed.
> 
> Hi,
> 
> the problem is that ND6 code maintains at least two lists of prefixes
> without any locking: V_nd_defrouter and V_nd_prefix.

I am not too familiar with the code here but is following relevant here?
https://lists.freebsd.org/pipermail/freebsd-net/2013-February/034695.html

Also ccing markj@

Cheers,
Hiren
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