linux-kernel - Re: WARN_ON_ONCE(!new_owner) within wake_futex

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Message-ID: <alpine.DEB.2.21.1901291402410.1513@nanos.tec.linutronix.de>
Date:   Tue, 29 Jan 2019 14:03:01 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Peter Zijlstra <peterz@...radead.org>
cc:     Heiko Carstens <heiko.carstens@...ibm.com>,
        Ingo Molnar <mingo@...nel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-s390@...r.kernel.org,
        Stefan Liebler <stli@...ux.ibm.com>,
        Sebastian Sewior <bigeasy@...utronix.de>
Subject: Re: WARN_ON_ONCE(!new_owner) within wake_futex_pi() triggered

On Tue, 29 Jan 2019, Peter Zijlstra wrote:

> On Tue, Jan 29, 2019 at 11:24:09AM +0100, Heiko Carstens wrote:
> 
> > Yes, sure. However ;) I reproduced the above with v5.0-rc4 + your
> > patch. And now I am trying to reproduce with linux-next 20190129 +
> > your patch and it doesn't trigger. Did I miss a patch which is only in
> > linux-next which could fix this?
> > 
> 
> I'm forever confused on what patch is where; but -ESRCH makes me thing
> maybe you lost this one:
> 
> ---
> 
> commit da791a667536bf8322042e38ca85d55a78d3c273
> Author: Thomas Gleixner <tglx@...utronix.de>
> Date:   Mon Dec 10 14:35:14 2018 +0100

That's in Linus tree already ...