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Date: Wed, 20 Aug 2008 11:23:19 -0400 (EDT)
From: Steven Rostedt <rostedt@goodmis.org>
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To: Jon Smirl <jonsmirl@gmail.com>
cc: Eran Liberty <liberty@extricom.com>,
       Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
       linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
       Steven Rostedt <srostedt@redhat.com>, Alan Modra <amodra@au1.ibm.com>,
       Scott Wood <scottwood@freescale.com>,
       "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)
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On Wed, 20 Aug 2008, Jon Smirl wrote:
> > >
> > > > c00bb690:       bb 0b ff e0     lmw     r24,-32(r11)
> > > > c00bb694:       7c 08 03 a6     mtlr    r0
> > > > c00bb698:       4e 80 00 20     blr
> > > >
> > > >
> > >
> > > Yep, you have the same bug in your compiler.
> > >
> > > -- Steve
> > >
> > >
> >  Hmm... so whats now?
> >
> >  Is there a way to prove this scenario is indeed the one that caused the
> > opps?
> 
> Manually edit the broken binary to change the order of the restore and
> see if the problem disappears. That will keep everything else
> constant.

Does it only happen on this function? Or is it happening on others as 
well. So manually fixing it here won't help much unless we fix it 
everywhere.

-- Steve