From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757967Ab2GMUzg (ORCPT ); Fri, 13 Jul 2012 16:55:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:26743 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755911Ab2GMUy5 (ORCPT ); Fri, 13 Jul 2012 16:54:57 -0400 Date: Fri, 13 Jul 2012 16:54:36 -0400 From: Dave Jones To: Darren Hart Cc: Peter Zijlstra , "Paul E. McKenney" , Thomas Gleixner , Rusty Russell , Linux Kernel Subject: Re: 3.5-rc6 futex_wait_requeue_pi oops. Message-ID: <20120713205436.GF1707@redhat.com> Mail-Followup-To: Dave Jones , Darren Hart , Peter Zijlstra , "Paul E. McKenney" , Thomas Gleixner , Rusty Russell , Linux Kernel References: <20120713180823.GA24972@redhat.com> <20120713185402.GA1707@redhat.com> <20120713195615.GC1707@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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