Subject: Re: linux-next: Tree for Apr 18 [ call-trace: drm | x86 | smp | rcu related? ]

From: "Paul E. McKenney" <[email-masked]>
Date: Fri, 19 Apr 2013 14:39:54 -0700

On Fri, Apr 19, 2013 at 02:24:10PM -0700, Linus Torvalds wrote:
> On Fri, Apr 19, 2013 at 2:09 PM, Sedat Dilek <[email-masked]> wrote:
> >
> > I have applied all three patches and see still call-traces.
> > New are apparmor related messages.
> 
> Can you try the crazy rcu double-free debug hack?
> 
> See
> 
>     https://lkml.org/lkml/2013/3/30/113
> 
> and I'm re-attaching the ugly-ass crazy hack patch here too..
> 
>                     Linus

For whatever it is worth, CONFIG_DEBUG_OBJECTS_RCU_HEAD=y is intended to
detect RCU double-freeing.  But if it isn't helping for whatever reason,
please let me know!

							Thanx, Paul