Re: ipv6 panic in 6.0 ([kris@FreeBSD.org: kern/85780: 'panic: bogus refcnt 0' in routing/ipv6])

From: SUZUKI Shinsuke (suz_at_kame.net)
Date: 09/28/05

  • Next message: Lourik Malan: "Need IPNAT help PLEASE" 
    Date: Wed, 28 Sep 2005 12:06:18 +0900
To: kris@obsecurity.org

    Hello kris,

    >>>>> On Tue, 27 Sep 2005 18:26:34 -0400
    >>>>> kris@obsecurity.org(Kris Kennaway) said:

    > Can someone please look into this ipv6 panic? It is now my #1 panic
    > on 6.0 (every few days, and I hardly make any use of ipv6 except for
    > light nfs and tcp traffic), so it would be good to get it fixed before
    > the release.

    Let me confirm one thing.
    Did you also see a message "panic: bogus refcnt 0", in your panic?

    As far as I investigated, only IF_CLONE_REMREF_LOCKED() can display
    this message. But it's called only in
    if_clone_create/detach/destory(), and none of them seems to be called
    according to the description in the PR. (rtexpunge() in route.c also
    has this message, but it is commented out by "if 0", so it is not the
    cause of this message)

    Thanks, 

    ----
SUZUKI, Shinsuke @ KAME Project
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  • Next message: Lourik Malan: "Need IPNAT help PLEASE"