From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752352AbbKZH4b (ORCPT ); Thu, 26 Nov 2015 02:56:31 -0500 Received: from mail-wm0-f49.google.com ([74.125.82.49]:38622 "EHLO mail-wm0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751901AbbKZH42 (ORCPT ); Thu, 26 Nov 2015 02:56:28 -0500 Date: Thu, 26 Nov 2015 08:56:24 +0100 From: Ingo Molnar To: Jiri Olsa Cc: Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, David Ahern , Jan Kratochvil , Masami Hiramatsu , Milian Wolff , Namhyung Kim , Peter Zijlstra , Taeung Song , Wang Nan , Arnaldo Carvalho de Melo Subject: Re: [GIT PULL 0/7] perf/core improvements and fixes Message-ID: <20151126075624.GA20999@gmail.com> References: <1448315634-13592-1-git-send-email-acme@kernel.org> <20151124081042.GA3651@gmail.com> <20151124082805.GB30337@krava.brq.redhat.com> <20151124084210.GA31160@gmail.com> <20151124092618.GA5359@krava.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151124092618.GA5359@krava.brq.redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jiri Olsa wrote: > I can't make that failure on 88 cpus server, I assume you can > reproduce this fairly easily? Yeah, when it triggers it reproduces fairly easily - but it seems to be dependent on build timings. I don't use a large server for this test, just a single socket system with 6 cores / 12 CPUs. > Could you please share failing build output from: > $ make V=1 clean install The problem went away after I unpulled - I'll pull it again and will try to get you debug output. Thanks, Ingo