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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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