Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751230AbaLQROr (ORCPT ); Wed, 17 Dec 2014 12:14:47 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:35917 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953AbaLQROq (ORCPT ); Wed, 17 Dec 2014 12:14:46 -0500 Date: Wed, 17 Dec 2014 18:14:04 +0100 From: Peter Zijlstra To: Konrad Rzeszutek Wilk Cc: Andy Lutomirski , Linus Torvalds , Mel Gorman , Thomas Gleixner , Steven Rostedt , Tejun Heo , "linux-kernel@vger.kernel.org" , Arnaldo Carvalho de Melo , Frederic Weisbecker , Don Zickus , Dave Jones , the arch/x86 maintainers Subject: Re: frequent lockups in 3.18rc4 Message-ID: <20141217171404.GD30905@twins.programming.kicks-ass.net> References: <20141216192803.GC3337@twins.programming.kicks-ass.net> <20141216211921.GA2395@suse.de> <20141216230246.GA30905@twins.programming.kicks-ass.net> <20141217170139.GB8142@laptop.dumpdata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141217170139.GB8142@laptop.dumpdata.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 17, 2014 at 12:01:39PM -0500, Konrad Rzeszutek Wilk wrote: > > Linus, do you have a pointer to whatever version of the patch you tried? > > The patch was this: > > a) http://article.gmane.org/gmane.linux.kernel/1835331 > > Then Jurgen had a patch: > https://lkml.kernel.org/g/CA+55aFxSRujj=cM1NkXYvxmo=Y1hb1e3tgLhdh1JDphzV6WKRw@mail.gmail.com > which was one fix for one bug that ended up being fixed in QEMU - so > it can be ignored. > > But my understanding of that thread was that it said patch 'a)' did not > fix Dave's issues - and the conversation went off on NMI watchdog? > > I will look up the giant thread to make sense. No, you're right in that the patch didn't solve the issue at hand and that the conversation moved on into a different direction. But I would very much like to see it (or something very much like it) happen, because it does make the code much saner. -- 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/