From: Junio C Hamano Date: Mon, 27 Apr 2009 17:01:35 GMT Subject: Re: [spurious parallel build bug] make -j fails with: "mv: mv: cannot stat `perl.mak': No such file or directory" Message-ID: <7vk5563ua8.fsf@gitster.siamese.dyndns.org> In-Reply-To: <20090427094843.GA5849@elte.hu> Ingo Molnar 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.