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    SubjectRe: 2.6.17-mm1
    On Fri, 23 Jun 2006 14:33:27 +0200
    "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com> wrote:

    > Hi,
    >
    > On 21/06/06, Andrew Morton <akpm@osdl.org> wrote:
    > >
    > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm1/
    > >
    >
    > Firefox 2 - a new testing tool for bug hunters.

    Thanks.

    > Jun 23 11:03:48 ltg01-fedora kernel: =======================================
    > Jun 23 11:03:48 ltg01-fedora kernel: [ INFO: out of order unlock detected. ]
    > Jun 23 11:03:48 ltg01-fedora kernel: ---------------------------------------

    This test is a bit of a nuisance.

    > Jun 23 11:03:48 ltg01-fedora kernel: The code is fine but needs lock
    > validator annotation.
    > Jun 23 11:03:48 ltg01-fedora kernel: firefox-bin/25734 is trying to
    > release lock (tasklist_lock) at:
    > Jun 23 11:03:48 ltg01-fedora kernel: [<c017b02c>] flush_old_exec+0x12f/0xa5f
    > Jun 23 11:03:48 ltg01-fedora kernel: but the next lock to release is:
    > Jun 23 11:03:48 ltg01-fedora kernel: (&sighand->siglock){++..}, at:
    > [<c017afab>] flush_old_exec+0xae/0xa5f
    > Jun 23 11:03:48 ltg01-fedora kernel:
    > Jun 23 11:03:48 ltg01-fedora kernel: other info that might help us debug this:
    > Jun 23 11:03:48 ltg01-fedora kernel: 2 locks held by firefox-bin/25734:
    > Jun 23 11:03:48 ltg01-fedora kernel: #0: (tasklist_lock){..??}, at:
    > [<c017afa4>] flush_old_exec+0xa7/0xa5f
    > Jun 23 11:03:48 ltg01-fedora kernel: #1: (&sighand->siglock){++..},
    > at: [<c017afab>] flush_old_exec+0xae/0xa5f

    This is de_thread(). It's deliberate.

    -
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