On Sun, 2006-11-05 at 11:45 -0800, Andrew Morton wrote:
> On Sun, 05 Nov 2006 17:35:16 +0100
> Peter Zijlstra <[email protected]> wrote:
>
> > On Sun, 2006-10-29 at 22:37 +0900, Akinobu Mita wrote:
> > > auth_domain_put() forgot to unlock acquired spinlock.
> > >
> > > Cc: Olaf Kirch <[email protected]>
> > > Cc: Andy Adamson <[email protected]>
> > > Cc: J. Bruce Fields <[email protected]>
> > > Cc: Trond Myklebust <[email protected]>
> > > Signed-off-by: Akinobu Mita <[email protected]>
> >
> > Acked-by: Peter Zijlstra <[email protected]>
> >
> > I just found this too while trying to get .19-rc4-git up and running on
> > a machine here - took me a few hours.
> >
> > It made my kernel decidedly unhappy :-(
> >
> > Andrew, could you push this and:
> > http://lkml.org/lkml/2006/11/3/109
> > into .19 still? - those patches are needed to make todays git happy on
> > my machine.
>
> OK.
Thanks!
> I wonder if this will fix http://bugzilla.kernel.org/show_bug.cgi?id=7457
The scheduling while atomic part looks familiar, the rest not so.
Worth giving it a shot though...
On my machine it was the keventd workqueue that got messed up.
I have some patches that:
- add debug_show_held_locks(current) to might_sleep() and schedule()
- check in_atomic() and lockdep_depth after each workqueue function
and print the last function executed
- name some 'old_style_spin_init' locks
I'll post those patches after a cleanup...
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