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Date: Tue, 15 Nov 2011 16:04:16 +0100
From: marco atzeri <marco DOT atzeri AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: fork problem on latest cygwin CVS
References: <4EC12860 DOT 3050507 AT gmail DOT com> <20111114153109 DOT GA21295 AT ednor DOT casa DOT cgf DOT cx> <4EC13D23 DOT 8040705 AT gmail DOT com> <20111114171105 DOT GA22991 AT ednor DOT casa DOT cgf DOT cx>
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On 11/14/2011 6:11 PM, Christopher Faylor wrote:

> FYI, the last thing any developer wants to hear after a major code
> change is a generic "It's broke" report with no details and no way to
> duplicate the problem.  A stack trace from a home-grown version of
> cygwin1.dll is not a detail.  It's meaningless unless the addresses are
> decoded.
>
> cgf

Ok,
rewinding to step 1

I simplified the test case to a short one, involving just 1 make call,
using your snapshot

$ uname -a
CYGWIN_NT-6.1-WOW64 MARCOATZERI 1.7.10s(0.255/5/3) 20111114 02:01:52 
i686 Cygwin


please find it on:
http://matzeri.altervista.org/works/test_case/

calling
    make oct-conf.h

produces:
--------------------------------------------------------------------
making oct-conf.h from oct-conf.h.in
       0 [main] sh 4636 E:\cygwin\bin\sh.exe: *** fatal error in forked 
process - fork: can't commit memory for stack 0x28C000(81920), Win32 
error 487
Stack trace:
Frame     Function  Args
0028EBB8  6102B30B  (0028EBB8, 00000000, 00000000, 00000000)
0028EEA8  6102B30B  (61192F60, 00008000, 00000000, 61194A6C)
0028FED8  61005403  (61194FB0, 0028FEF4, 0028FF08, 61006BE1)
0028FEE8  61005438  (61194FB0, 0028C000, 00014000, 00000040)
0028FF08  61006BE1  (007F102E, 0028FF10, 00001F80, 037F037F)
0028FF38  61006C2D  (007F102E, 00000000, 0028FF58, 00465672)
0028FF48  61006CAB  (00401F10, 00000000, 0028FF88, 00401033)
0028FF58  00465672  (00401F10, 00000000, 00000000, 00000000)
0028FF88  00401033  (7EFDE000, 0028FFD4, 770A9ED2, 7EFDE000)
0028FF94  750E33CA  (7EFDE000, 7660A4F7, 00000000, 00000000)
0028FFD4  770A9ED2  (00401000, 7EFDE000, 00000000, 00000000)
0028FFEC  770A9EA5  (00401000, 7EFDE000, 00000000, 78746341)
End of stack trace
       0 [main] sh 300 fork: child -1 - forked process died 
unexpectedly, retry 10, exit code 256, errno 11
/bin/sh: fork: retry: Resource temporarily unavailable
...
-----------------------------------------------------------------------

this does not happen with 20111108

Regards
Marco

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