linux-kernel - Re: 3.5-rc6 futex_wait_requeue

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Message-ID: <20120713205436.GF1707@redhat.com>
Date:	Fri, 13 Jul 2012 16:54:36 -0400
From:	Dave Jones <davej@...hat.com>
To:	Darren Hart <darren@...art.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: 3.5-rc6 futex_wait_requeue_pi oops.

On Fri, Jul 13, 2012 at 01:27:41PM -0700, Darren Hart wrote:
 > I'm returning from a family vacation just now, I'll have a closer look on
 > Monday. It seems to me we recently had some futex lockdep annotations go
 > in, any chance those are somehow involved?
 > 
 > So we have a real user of the futex requeue pi code? Is this via pthread
 > condvars? Is this test available for me to run?

I wouldn't call it a "real user" per se.
details (including git checkout) at http://codemonkey.org.uk/projects/trinity/

	Dave
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