Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753775AbZCJAUp (ORCPT ); Mon, 9 Mar 2009 20:20:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752873AbZCJAUg (ORCPT ); Mon, 9 Mar 2009 20:20:36 -0400 Received: from hawking.rebel.net.au ([203.20.69.83]:42246 "EHLO hawking.rebel.net.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752570AbZCJAUg (ORCPT ); Mon, 9 Mar 2009 20:20:36 -0400 Message-ID: <49B5B249.1010904@davidnewall.com> Date: Tue, 10 Mar 2009 10:50:25 +1030 From: David Newall User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: Peter Zijlstra CC: Mike Galbraith , Ingo Molnar , Balazs Scheidler , linux-kernel@vger.kernel.org, Willy Tarreau Subject: Re: [patch] Re: scheduler oddity [bug?] References: <1236448069.16726.21.camel@bzorp.balabit> <1236505323.6281.57.camel@marge.simson.net> <1236506309.6972.8.camel@marge.simson.net> <20090308153956.GB19658@elte.hu> <1236529200.7110.16.camel@marge.simson.net> <20090308175255.GA22802@elte.hu> <1236585731.6118.24.camel@marge.simson.net> <20090309080714.GB24904@elte.hu> <1236596664.8389.331.camel@laptop> <1236604563.6027.8.camel@marge.simson.net> <1236605267.8389.490.camel@laptop> <49B52118.7010509@davidnewall.com> <1236608390.8389.557.camel@laptop> In-Reply-To: <1236608390.8389.557.camel@laptop> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 733 Lines: 18 Peter Zijlstra wrote: > On Tue, 2009-03-10 at 00:30 +1030, David Newall wrote: > >> Wasn't it reported to be caused by an off-by-one bug in commit >> 38736f475071b80b66be28af7b44c854073699cc? >> > > Completely different issue. Unfortunate interference of effects though. And yet, there *is* a bug in that commit, being, as I explained, that it won't return a task if it's the last entry in the list, which seems quite likely immediately after a fork. Has my patch been tried? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/