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From:	"Jon Beniston" <jon AT beniston DOT com>
To:	<cygwin AT cygwin DOT com>
Subject:	GCC make check -jN fails with broken pipe
Date:	Mon, 14 Dec 2015 00:03:08 -0000
Message-ID:	<000001d13602$d1781f40$74685dc0$@beniston.com>
MIME-Version:	1.0

Hi,

I'm trying to run the GCC testsuite in parallel (i.e. -j4) on Cygwin, but it
fails with " parent: sync byte write: broken pipe":

make check-gcc  -j4
..
Running /home/me/gcc/testsuite/gcc.c-torture/compile/compile.exp ...
Running /home/me/gcc/testsuite/gcc.c-torture/compile/compile.exp ...
Running /home/me/gcc/testsuite/gcc.c-torture/compile/compile.exp ...
Running /home/me/gcc/testsuite/gcc.c-torture/compile/compile.exp ...
parent: sync byte write: broken pipe
parent: sync byte write: broken pipe

Looking in the individual log files that are made (E.g.
gcc/testsuite/gcc1/gcc.log), there doesn't seem to be any more info, just
the broken pipe message:

...
/home/me/gcc/testsuite/gcc.c-torture/compile/20000717-1.c
parent: sync byte write: broken pipe


The testsuite runs OK with without the -j option, and the build of GCC runs
OK with -j. Has anyone else been able to run the testsuite in parallel?

Cygwin installation is up to date.

Cheers,
Jon



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