Re: linux-next: build failure after merge of the tip tree

From	Ingo Molnar <mingo@kernel.org>
Newsgroups	linux.kernel
Subject	Re: linux-next: build failure after merge of the tip tree
Date	2016-12-07 20:00 +0100
Message-ID	<sLPBE-3ND-21@gated-at.bofh.it> (permalink)
References	<sLznb-1le-13@gated-at.bofh.it> <sLF9g-5yL-17@gated-at.bofh.it> <sLFCh-621-9@gated-at.bofh.it> <sLLRn-1pk-3@gated-at.bofh.it>
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* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

> 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 <sfr@canb.auug.org.au> 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,

Thanks - I pushed the fixes towards linux-next, so tomorrow's (today's) linux-next 
build should not trigger this build race.

Thanks,

	Ingo

Thread

linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-12-07 02:40 +0100
  Re: linux-next: build failure after merge of the tip tree Ingo Molnar <mingo@kernel.org> - 2016-12-07 08:50 +0100
    Re: linux-next: build failure after merge of the tip tree Jiri Olsa <jolsa@redhat.com> - 2016-12-07 09:20 +0100
      Re: linux-next: build failure after merge of the tip tree Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-12-07 16:00 +0100
        Re: linux-next: build failure after merge of the tip tree Ingo Molnar <mingo@kernel.org> - 2016-12-07 20:00 +0100
          Re: linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-12-07 21:50 +0100

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