From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Olsa Subject: Re: linux-next: build failure after merge of the tip tree Date: Wed, 7 Dec 2016 09:12:15 +0100 Message-ID: <20161207081215.GA13808@krava> References: <20161207123711.795d97bb@canb.auug.org.au> <20161207074514.GA10616@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx1.redhat.com ([209.132.183.28]:41909 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751091AbcLGIMb (ORCPT ); Wed, 7 Dec 2016 03:12:31 -0500 Content-Disposition: inline In-Reply-To: <20161207074514.GA10616@gmail.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Ingo Molnar Cc: Stephen Rothwell , Arnaldo Carvalho de Melo , Peter Foley , Wang Nan , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, Dec 07, 2016 at 08:45:14AM +0100, Ingo Molnar wrote: SNIP > * Stephen Rothwell wrote: > > > Hi all, > > > > After merging the tip tree, today's linux-next build (powerpc64le perf) > > failed like this: > > > > LINK /home/sfr/next/perf/fixdep > > /bin/sh: 1: /home/sfr/next/perf//fixdep: Permission denied > > tools/build/Makefile.build:91: recipe for target '/home/sfr/next/perf/pmu-events/jevents.o' failed > > > > $ ls -l /home/sfr/next/perf/fixdep > > -rwxr-xr-x 1 sfr users 71104 Dec 7 12:26 /home/sfr/next/perf/fixdep > > > > I am not sure what caused this, but redoing the build succeeded, so I > > have just filed this report and left it for today. this seems to be the rare race issue caused by missing fixdep dependency, caused probably by recompiling of fixdep because of its change in the merge Arnaldo already carries a fix for this in his latest perf/core, where we moved the fixdep compilation on top of everything to kill any future race due to missing fixdep dependency thanks, jirka