Re: [spurious parallel build bug] make -j fails with: "mv: mv: cannot stat `perl.mak': No such file or directory"

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* Junio C Hamano <gitster@xxxxxxxxx> wrote:

> Ingo Molnar <mingo@xxxxxxx> writes:
> 
> > I got this when i built v1.6.3-rc3 for the first time:
> >
> > $ make -j
> > [...]
> >     CC builtin-annotate.o
> >     CC builtin-apply.o
> >     CC builtin-archive.o
> >     CC builtin-bisect--helper.o
> > mv: mv: cannot stat `perl.mak': No such file or directory
> > mv: cannot stat `perl.mak': No such file or directory
> >     CC builtin-blame.o
> > mv: cannot stat `perl.mak': No such file or directory
> > mv: cannot stat `perl.mak': No such file or directory
> > cannot stat `perl.mak': No such file or directory
> >
> > a plain 'make' worked.
> >
> > Interestingly, a second attempt to reproduce it after a 'make 
> > clean' failed to trigger the bug. So it's either timing 
> > sensitive or there's some other weirdness that caused this.
> 
> I've seen this a few times on the master machine at k.org but 
> haven't seen it elsewhere, perhaps because I do not have an access 
> to 8-way parallelism anywhere else.

btw, this happened on a plain dual-core box. But i couldnt reproduce 
after that.

	Ingo
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