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Date:      Wed, 16 Jul 2003 07:51:20 +0200 (CEST)
From:      volf@oasis.IAEhv.nl (Frank Volf)
To:        freebsd-net@freebsd.org
Cc:        freebsd-stable@freebsd.org
Subject:   Reproducable panic with multicast on VLAN interface
Message-ID:  <20030716055120.CAA65FDFA@mail.voor.deze.org>

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Hi,

I have a problem with FreeBSD-4.8-STABLE in which the system panics when
multicast definitions are being removed from an interface. The later is very 
easily reproduced by killing zebra.

This is a rather serious problem because it makes FreeBSD unusable as a VLAN
router in a data center.

I filed a PR for this including the traceback (kern/54314), but on examination
of the gnats database I found that this problem was also reported in 
(kern/40723) with a more accurate problem description than mine.

I would like to resolve this issue but I do not know how to proceed: can
someone help me with this and do they need more info to do so? Or is there
are detailed description of this part of the kernel available, so I can look
for the bug myself?

Thanks for any advice.

Frank



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