Re: rcu_prempt stalls / lockup

From: Dave Jones
Date: Thu Apr 03 2014 - 18:38:04 EST


On Thu, Apr 03, 2014 at 05:44:30PM -0400, Dave Jones wrote:
> On Thu, Apr 03, 2014 at 01:46:56PM -0700, Paul E. McKenney wrote:
> > git merge anti-fixes
> >
> > Then bisect through these reverts.
> >
> > I am assuming, perhaps naively, that changes under Documentation and
> > to torture testing should not be affecting you.
> >
> > Does this make sense?
>
> I tried reverting every one of those and could still hit it, which
> seems to indicate the bug is elsewhere, and rcu is just a victim of it.
> I'm going to start trying to revert the lockdep changes, given this seems
> to happen after that has warned..

And that was also without any success.
Tomorrow I'll try a bisect on just arch/x86.

Dave

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