Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754104AbaJCQCc (ORCPT ); Fri, 3 Oct 2014 12:02:32 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:29265 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753288AbaJCQCa (ORCPT ); Fri, 3 Oct 2014 12:02:30 -0400 Message-ID: <542EC880.7040006@oracle.com> Date: Fri, 03 Oct 2014 12:02:08 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Dave Jones , Linus Torvalds , Hugh Dickins , Al Viro , Linux Kernel , Rik van Riel , Ingo Molnar , Michel Lespinasse , "Kirill A. Shutemov" , Mel Gorman Subject: Re: pipe/page fault oddness. References: <542C7B5E.2020000@oracle.com> <542D6981.3080405@oracle.com> <542E2D56.6090007@oracle.com> <20141003155805.GA22798@redhat.com> In-Reply-To: <20141003155805.GA22798@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/2014 11:58 AM, Dave Jones wrote: > On Fri, Oct 03, 2014 at 08:43:57AM -0700, Linus Torvalds wrote: > > On Thu, Oct 2, 2014 at 10:00 PM, Sasha Levin wrote: > > > > > > For the record, I tweaked the environment to put some more pressure on the > > > scheduler and found out what broke (which is not related to this thread at > > > all). > > > > Ok. It's probably still worth testing Mel's patches, since that's what > > goes into 3.17. But it would be interesting to eventually go back to > > stability-testing the protnone set, since it *looked* like it was > > working well aside from this issue. I might decide to just do it > > during the 3.18 merge window.. Linus, I'm running with Mel's patches since yesterday, nothing interesting to report. > FYI, I've been trying to reproduce that initial bug all week, and > haven't seen a single reoccurance of it, just other bugs. > Kind of a pain in the ass for confirming this numa stuff was indeed > the cause, but that's been true of so many of the more obscure bugs > trinity has shaken out. +1, it seems to have "disappeared", quite annoying :/ Thanks, Sasha -- 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/