From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Galbraith <umgwanakikbuti@gmail.com>
Subject: Re: RT trees fail ltp futex_wait04  - culprit=65d8fc777f6d (futex:
 Remove requirement for lock_page() in get_futex_key())
Date: Sat, 04 Jun 2016 18:16:59 +0200
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Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
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To: Mel Gorman <mgorman@suse.de>
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On Sat, 2016-06-04 at 18:07 +0200, Mike Galbraith wrote:
> Oho, actually, it's not only RT kernels, master with an enterprise like
> NOPREEMPT config fails as well, so it's a garden variety regression.
> 
> futex_wake04    1  TFAIL  :  futex_wake04.c:126: Bug: wait_thread2 did not wake after 30 secs.

And again, swiped bits fixed it.