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Date: Wed, 11 Jan 2012 10:20:21 -0500
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: "Bad address" error with redirection (stdout and stderr) in background process
Message-ID: <20120111152021.GB5264@ednor.casa.cgf.cx>
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On Wed, Jan 11, 2012 at 03:05:26PM +0000, Heiko Elger wrote:
>Hello,
>
>I'm using latest snapshot and updated cygwin installation.
>
>$ uname -a
>CYGWIN_NT-6.1-WOW64 PCFX166 1.7.10s(0.259/5/3) 20120111 01:45:50 i686 Cygwin
>
>I've done rebaseall and peflagsall.
>
>I've found the following problem using make in parallel (-j) with multiple 
>commands joined with semicolon (;) using cygwin and non-cygwin(cross compiler) 
>commands.
>
># just an example 
>test.o: test.c
>    echo compile ; cross-gcc -c test.c -o test.o
>
>Having multiple targets like this and using for example 
>$ make -j8 |& tee make.log
>
>you will get a "bad address" error.
>/bin/sh: cross-gcc.exe: Bad address
>makefile:10: recipe for target `test.o' failed
>
>I stripped down the problem to the following testcase:
>
>$ cat ./testcase.sh
>#!/bin/sh
>(( echo 123 ; cmd /c echo 456 ) |& tee tee.log ) &
>
>executing the testcase will produce thr following output:
>$ ./testcase.sh
>$ 123
>./testcase.sh: line 2: /cygdrive/c/Windows/system32/cmd: Bad address
>
>If only redirecting stdout to tee all works fine.
>
>The problem occurs ony while mixing cygwin and non cygwin programs.
>
>Using snapshot 20110829 all works fine.
>
>Any ideas?

Do I infer from the above that you rigorously tried all snapshots
through August and that was the first that worked or (more likely) you
haven't tried a snapshot since August and now noticed a problem?

cgf

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