From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: Re: linux-next: build failure after merge of the tip tree Date: Wed, 7 Dec 2016 11:49:35 -0300 Message-ID: <20161207144935.GH8257@kernel.org> References: <20161207123711.795d97bb@canb.auug.org.au> <20161207074514.GA10616@gmail.com> <20161207081215.GA13808@krava> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20161207081215.GA13808@krava> Sender: linux-kernel-owner@vger.kernel.org To: Jiri Olsa Cc: Ingo Molnar , 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 List-Id: linux-next.vger.kernel.org Em Wed, Dec 07, 2016 at 09:12:15AM +0100, Jiri Olsa escreveu: > 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 I'll push it today, will stop processing other stuff now and prepare a pull request, - Arnaldo > thanks, > jirka