(unknown charset) Re: null pointer panic in bpf_peers_present

From: (unknown charset) Alexander V. Chernikov <melifaro_at_FreeBSD.org>
Date: Mon, 04 Jun 2012 10:48:38 +0400
On 04.06.2012 02:22, Andriy Gapon wrote:
> on 03/06/2012 23:56 Andriy Gapon said the following:
>>
>> I wonder if anybody else is seeing this and if there is a fix...
>> This is very recent (today's) FreeBSD head with pretty dull network
>> configuration.  During boot I run into the following panic:
>>
>> <118>Setting hostname: xxxxx
>> <118>Starting dhclient.
>>
> My current guess is that the panic occurs because of the newly added (r235745)
> bpf_ifdetach which is an ifnet_departure_event handler.  My rc.conf is
> configured to do interface renaming and SIOCSIFNAME seems to post
> ifnet_departure_event followed by ifnet_arrival_event.
>
> Not sure if it's a window between ifnet_departure_event and ifnet_arrival_event
> when if_bpf is NULL, or if if_bpf is never restored in this case.
if_bpf is never restored.

Can you please try an attached patch ?

>>
>
>


Received on Mon Jun 04 2012 - 04:48:45 UTC

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