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Date: Wed, 11 Jan 2012 14:14:41 -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: <20120111191441.GA14003@ednor.casa.cgf.cx>
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On Wed, Jan 11, 2012 at 10:20:21AM -0500, Christopher Faylor wrote:
>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?

No need to answer that.  The upcoming snapshot should fix the problem.

cgf

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