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From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Subject:	fork issue on 32bit
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Message-ID:	<b8a30798-c084-0cac-607b-2ae4b615c6ab@gmail.com>
Date:	Fri, 28 Apr 2017 20:38:30 +0200
User-Agent:	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0
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Hi,

I am rebuilding the pure-ftpd server.
On 64bit I have no issue while testing the 32bit version on

  $ uname -svr
CYGWIN_NT-6.1-WOW 2.8.0(0.309/5/3) 2017-04-01 20:42

  I hit:

$ ./pure-ftpd -B
       0 [main] pure-ftpd 7960 E:\cygwin\usr\sbin\pure-ftpd.exe: *** 
fatal error in forked process - fork: can't reserve memory for parent 
stack 0x3B0000 - 0x5B0000, (child has 0x330000 - 0x530000), Win32 error 487
       0 [main] pure-ftpd 4752 fork: child -1 - forked process 7960 died 
unexpectedly, retry 0, exit code 0xC0000005, errno 11
Unable to start a standalone server - fork: Resource temporarily unavailable

I excluded AV interference as it happens also on Safe Mode.

The process memory area seems fine
00200000-00242000 rw-p 00000000 0000:0000 0  [win heap 1 grow]
00242000-00300000 ===p 00042000 0000:0000 0  [win heap 1 grow]
00300000-00301000 r--s 00000000 0000:0000 0
00310000-00312000 rw-p 00000000 0000:0000 0  [win heap 1 grow]
00312000-00320000 ===p 00002000 0000:0000 0  [win heap 1 grow]
00320000-00322000 rw-p 00000000 0000:0000 0
00330000-00331000 rw-p 00000000 0000:0000 0
00340000-00341000 r--s 00000000 0000:0000 0
00350000-00357000 r--s 00000000 0000:0000 0
00360000-00362000 rw-s 00000000 0000:0000 0

00380000-00384000 rw-p 00000000 0000:0000 0   [win heap 4 grow]
00384000-00390000 ===p 00004000 0000:0000 0   [win heap 4 grow]
003B0000-005A6000 ===p 00000000 0000:0000 0   [stack (tid 4604)]
005A6000-005A7000 rw-g 001F6000 0000:0000 0   [stack (tid 4604)]
005A7000-005B0000 rw-p 001F7000 0000:0000 0   [stack (tid 4604)]
005B0000-005E9000 ===p 00000000 0000:0000 0

I have same error on current package version pure-ftpd-1.0.45-1,
so or I missed to note the issue before (likely) or something
is changed in Cygwin in the meantime.

Any suggestion what to look for ?

Regards
Marco



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