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    SubjectRe: [crash] BUG: unable to handle kernel NULL pointer dereference at 0000000000000370
    David Miller wrote:
    > From: Larry Finger <Larry.Finger@lwfinger.net>
    > Date: Tue, 22 Jul 2008 01:34:28 -0500
    >
    >> David Miller wrote:
    >>> From: Larry Finger <Larry.Finger@lwfinger.net>
    >>> Date: Mon, 21 Jul 2008 17:40:10 -0500
    >>>
    >>>> Sorry :(
    >>>>
    >>>> I used the davem patch, the second version of your first one, and your second
    >>>> one. Both problems persist.
    >>>>
    >>>> Still plugging away on bisection.
    >>> GIT bisecting the lockdep problem is surely going the land you on:
    >>>
    >>> commit e308a5d806c852f56590ffdd3834d0df0cbed8d7
    >> No. It landed on this one.
    >
    > For the lockdep warnings?

    When I was just one commit later, I got both the lockdep warning and the BUG.
    This is the commit in question.

    commit 16361127ebed0fb8f9d7cc94c6e137eaf710f676
    Author: David S. Miller <davem@davemloft.net>
    Date: Wed Jul 16 02:23:17 2008 -0700

    pkt_sched: dev_init_scheduler() does not need to lock qdisc tree.

    We are registering the device, there is no way anyone can get
    at this object's qdiscs yet in any meaningful way.

    Signed-off-by: David S. Miller <davem@davemloft.net>

    Larry


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