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Date:	Thu, 26 Mar 2009 13:09:41 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: [1.7] makeinfo : too many open files
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On Thu, Mar 26, 2009 at 04:23:40PM +0100, Corinna Vinschen wrote:
>On Mar 26 12:36, Marco Atzeri wrote:
>> 
>> Dear All,
>> building the documentation for octave with makeinfo
>> I hit on cygwin-1.7 a similar issue than
>> http://cygwin.com/ml/cygwin/2009-02/msg00564.html
>> 
>> On cygwin-1.5 the same exact command on the same files
>> completes successfully.
>> 
>> Full strace is uploaded on
>> http://matzeri.altervista.org/strace/
>> 
>> 1.6M   makeinfo15_strace
>> 3.1M   makeinfo17_strace
>> 270K   makeinfo_strace.tar.xz (both compressed)
>> 
>> 
>> $makeinfo -I.. octave-a4.texi
>> 
>> octave-a4.texi:621: @include `package.texi': No such file or directory.
>> octave-a4.texi:632: @include `dynamic.texi': No such file or directory.
>> 
>> 
>> $ makeinfo -P.. octave-a4.texi
>> octave-a4.texi:621: @include `package.texi': Too many open files.
>> octave-a4.texi:632: @include `dynamic.texi': Too many open files
>
>The 1.7 strace shows a weird error message:
>
>  seterrno_from_win_error: /ext/build/netrel/src/cygwin-1.7.0-44/winsup/cygwin/cygheap.cc:140 windows error 487
>
>error 487 == "Attempt to access invalid address."
>
>It happens when trying to raise the size of the cygheap (used for
>internal datastructures like file descriptor data) which apparently
>occurs as a result of using so many files.  The only reason I can think
>of why this might occur is a collision with a DLL loaded at an address
>not far from the end of Cygwin's cygheap, so that trying to VirtualAlloc
>more memory, to make the cygheap bigger, fails.  The default size of the
>cygheap in 1.7.0-44 is ~900K and ends at 0x61300000.
>
>Maybe rebasing the DLLs makeinfo is linked against (cygiconv-2.dll,
>cygintl-8.dll) helps?
>
>If not, it might be helpful if you could send a link to a tar archive
>with all necessary input texi files to run makeinfo as above.

ldd /bin/makeinfo.exe

might also be useful.

cgf

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