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Re: problem with heap, win32 error 487


Thorsten,

How is this message different in content and substance from the one you
sent yesterday?  This list really doesn't need to see allot of repeated 
email messages...

Larry Hall                              lhall@rfk.com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX



At 08:18 AM 7/13/2001, Thorsten Clevorn wrote:
>Hi,
>
>I am trying to run a simulation in C on my Win2K-machine (the simulation
>
>runs perfectly on a Linux-PC)
>The problem seems to be with the memory rquirements.
>With certain parameters, I get some huge
>3-dimensional arrays that require like 20-40MB RAM.
>When I have a size of about 22MB the simulation works fine, when I
>increase the array size by a factor of ~1.33 (should then still be below
>
>but close to 32MB) it doesn't start with the error message
>C:\cygwin\home\clevorn\wlan15\Main.exe: *** Couldn't reserve space for
>cygwin's heap (0x20030000) in child, cygheap, Win32 error 487
>
>I tried two solutions posted in the mailing list for similiar problems:
>
>first:
>the "gcc -Wl,--heap,50000000,--stack,--50000000 ..." solution
>here the simulation fails at small array sizes too.
>
>second:
>the "gcc -mno-cygwin ..." solution
>here the program does start, but the only thing that happens is, if you
>look in the task manager, the process slowly "collects" memory for about
>
>90 seconds until it recaches 32MB (33xxxkB) and than the process crashes
>
>with the windows message " the exception unknown software exception
>(0xc00000fd) occured in the application at location 0x6104b9ef". During
>that time the VM Size increases with the same rate, only it start at
>values like 4xxMB or 6xxMB, depending on the array size (I have 1 GB RAM
>
>so the pure size of these value isn't the real problem).
>
>I think that the size of slightly below or even above 32MB is the cause
>of the problem. Is there a general problem with cygwin and running
>programs that require this amount of memory. Is there a way around this
>problem.
>
>Thanks for your help!
>
>Regards,
>
>Thorsten
>
>$ cygcheck -s -v -r
>
>Cygnus Win95/NT Configuration Diagnostics
>Current System Time: Thu Jul 12 15:56:20 2001
>
>WinNT Ver 5.0 build 2195 Service Pack 1, RC 1.1
>
>Path:   /usr/local/bin
>         /usr/bin
>         /bin
>         /cygdrive/c/WINNT/system32
>         /cygdrive/c/WINNT
>         /cygdrive/c/WINNT/System32/Wbem
>         /cygdrive/c/Program Files/Dazel/Output Envoy/bin
>         /cygdrive/c/Program Files/Microsoft Visual
>Studio/Common/Tools/WinNT
>         /cygdrive/c/Program Files/Microsoft Visual
>Studio/Common/MSDev98/Bin
>         /cygdrive/c/Program Files/Microsoft Visual Studio/Common/Tools
>         /cygdrive/c/Program Files/Microsoft Visual Studio/VC98/bin
>
>SysDir: C:\WINNT\System32
>WinDir: C:\WINNT
>
>PWD = `/home/clevorn/wlan15'
>USER = `Administrator'
>MAKE_MODE = `unix'
>HOME = `/home/Administrator'
>
>NUMBER_OF_PROCESSORS = `2'
>PROMPT = `$P$G'
>LOGONSERVER = `\\PAI820ADDCAG01'
>OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
>COMSPEC = `C:\WINNT\system32\cmd.exe'
>!C: = `C:\cygwin\bin'
>SYSTEMDRIVE = `C:'
>HOSTNAME = `NJ9620TCLEVORN2'
>INCLUDE = `C:\Program Files\Microsoft Visual
>Studio\VC98\atl\include;C:\Program Files\Microsoft Visual
>Studio\VC98\mfc\include;C:\Program Files\Microsoft Visual
>Studio\VC98\include'
>PROCESSOR_REVISION = `0806'
>MSDEVDIR = `C:\Program Files\Microsoft Visual Studio\Common\MSDev98'
>PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
>COMPUTERNAME = `NJ9620TCLEVORN2'
>WINDIR = `C:\WINNT'
>USERPROFILE = `C:\Documents and Settings\clevorn.AGS'
>PS1 = `\[\033]0;\w\007
>\033[32m\]\u@\h \[\033[33m\w\033[0m\]
>$ '
>PROGRAMFILES = `C:\Program Files'
>!:: = `::\'
>MACHTYPE = `i686-pc-cygwin'
>PROCESSOR_IDENTIFIER = `x86 Family 6 Model 8 Stepping 6, GenuineIntel'
>OS = `Windows_NT'
>OLDPWD = `/home/Administrator'
>PROCESSOR_ARCHITECTURE = `x86'
>TEMP = `/cygdrive/c/DOCUME~1/clevorn.AGS/LOCALS~1/Temp'
>PROCESSOR_LEVEL = `6'
>SYSTEMROOT = `C:\WINNT'
>HOMEDRIVE = `C:'
>LIB = `C:\Program Files\Microsoft Visual Studio\VC98\mfc\lib;C:\Program
>Files\Microsoft Visual Studio\VC98\lib'
>ALLUSERSPROFILE = `C:\Documents and Settings\All Users'
>SHLVL = `1'
>APPDATA = `C:\Documents and Settings\clevorn.AGS\Application Data'
>COMMONPROGRAMFILES = `C:\Program Files\Common Files'
>HOMEPATH = `\'
>USERDOMAIN = `AGS'
>USERNAME = `clevorn'
>SHELL = `/bin/bash'
>HOSTTYPE = `i686'
>OSTYPE = `cygwin'
>TERM = `cygwin'
>SMS_LOCAL_DIR = `C:\WINNT'
>_ = `/usr/bin/cygcheck'
>TZ = `EST5EDT4,M4.1.0/2,M10.5.0/2'
>
>HKEY_CURRENT_USER\Software\Cygnus Solutions
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
>   (default) = `/cygdrive'
>   cygdrive flags = 0x00000022
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/
>   (default) = `C:/cygwin'
>   flags = 0x00000002
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
>   (default) = `C:/cygwin/bin'
>   flags = 0x00000002
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
>   (default) = `C:/cygwin/lib'
>   flags = 0x00000002
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
>HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start
>
>Menu\Programs\Cygnus Solutions
>   (default) = (unsupported type)
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
>
>a:  fd           N/A    N/A
>c:  hd  NTFS   17351Mb  36% CP CS UN PA FC
>d:  cd           N/A    N/A
>
>C:\cygwin\bin  /usr/bin  user    binmode
>C:\cygwin\lib  /usr/lib  user    binmode
>C:\cygwin  /        user    binmode
>c:    /cygdrive/c  user    binmode,noumount
>
>Found: C:\cygwin\bin\bash.exe
>Found: C:\cygwin\bin\cat.exe
>Found: C:\cygwin\bin\cpp.exe
>Found: C:\cygwin\bin\find.exe
>Found: C:\cygwin\bin\gcc.exe
>Found: C:\cygwin\bin\gdb.exe
>Found: C:\cygwin\bin\ld.exe
>Found: C:\cygwin\bin\ls.exe
>Found: C:\cygwin\bin\make.exe
>Found: C:\cygwin\bin\sh.exe
>
>    56k 2000/12/03 C:\cygwin\bin\cygbz21.0.dll - os=4.0 img=1.0 sys=4.0
>                   "cygbz21.0.dll" v0.0 ts=2000/11/20 18:53
>    45k 2001/04/25 C:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygform5.dll" v0.0 ts=2001/4/25 1:28
>    18k 2000/10/23 C:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
>                   "cyggdbm.dll" v0.0 ts=2000/10/22 22:26
>    17k 2001/06/28 C:\cygwin\bin\cyghistory4.dll - os=4.0 img=1.0 sys=4.0
>
>                   "cyghistory4.dll" v0.0 ts=2001/1/6 23:34
>    21k 2001/06/28 C:\cygwin\bin\cyghistory5.dll - os=4.0 img=1.0 sys=4.0
>
>                   "cyghistory5.dll" v0.0 ts=2001/6/27 22:27
>    21k 2001/06/20 C:\cygwin\bin\cygintl.dll - os=4.0 img=1.0 sys=4.0
>                   "cygintl.dll" v0.0 ts=2001/6/20 13:09
>    81k 2000/12/05 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
>                   "cygitcl30.dll" v0.0 ts=2000/11/25 20:43
>    35k 2000/12/05 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
>                   "cygitk30.dll" v0.0 ts=2000/11/25 20:43
>    45k 2001/07/04 C:\cygwin\bin\cygjbig1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygjbig1.dll" v0.0 ts=2001/7/3 23:25
>   119k 2001/06/06 C:\cygwin\bin\cygjpeg6b.dll - os=4.0 img=1.0 sys=4.0
>                   "cygjpeg6b.dll" v0.0 ts=2001/6/6 0:27
>    26k 2001/04/25 C:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygmenu5.dll" v0.0 ts=2001/4/25 1:27
>   156k 2001/04/25 C:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0
>sys=4.0
>                   "cygncurses++5.dll" v0.0 ts=2001/4/25 1:29
>   226k 2001/04/25 C:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
>
>                   "cygncurses5.dll" v0.0 ts=2001/4/25 1:17
>    15k 2001/04/25 C:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygpanel5.dll" v0.0 ts=2001/4/25 1:27
>   163k 2001/05/06 C:\cygwin\bin\cygpng2.dll - os=4.0 img=1.0 sys=4.0
>                   "cygpng2.dll" v0.0 ts=2001/5/6 0:05
>   108k 2001/06/28 C:\cygwin\bin\cygreadline4.dll - os=4.0 img=1.0
>sys=4.0
>                   "cygreadline4.dll" v0.0 ts=2001/1/6 23:34
>   135k 2001/06/28 C:\cygwin\bin\cygreadline5.dll - os=4.0 img=1.0
>sys=4.0
>                   "cygreadline5.dll" v0.0 ts=2001/6/27 22:27
>   390k 2000/12/05 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtcl80.dll" v0.0 ts=2000/11/25 20:39
>     5k 2000/12/05 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
>
>    10k 2000/12/05 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
>
>                   "cygtclreg80.dll" v0.0 ts=2000/11/25 20:39
>   245k 2001/06/12 C:\cygwin\bin\cygtiff3.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtiff3.dll" v0.0 ts=2001/6/12 13:25
>   623k 2000/12/05 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtk80.dll" v0.0 ts=2000/11/25 20:43
>    41k 2001/07/04 C:\cygwin\bin\cygXpm-noX4.dll - os=4.0 img=1.0 sys=4.0
>
>                   "cygXpm-noX4.dll" v0.0 ts=2001/7/3 21:21
>    45k 2001/07/04 C:\cygwin\bin\cygXpm-X4.dll - os=4.0 img=1.0 sys=4.0
>                   "cygXpm-X4.dll" v0.0 ts=2000/11/19 21:45
>    49k 2001/02/03 C:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
>                   "cygz.dll" v0.0 ts=2001/2/3 15:35
>   678k 2001/05/21 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygwin1.dll" v0.0 ts=2001/5/20 23:28
>     Cygwin DLL version info:
>         dll major: 1003
>         dll minor: 2
>         dll epoch: 19
>         dll bad signal mask: 19005
>         dll old termios: 5
>         dll malloc env: 28
>         api major: 0
>         api minor: 39
>         shared data: 3
>         dll identifier: cygwin1
>         mount registry: 2
>         cygnus registry name: Cygnus Solutions
>         cygwin registry name: Cygwin
>         program options name: Program Options
>         cygwin mount registry name: mounts v2
>         cygdrive flags: cygdrive flags
>         cygdrive prefix: cygdrive prefix
>         cygdrive default prefix:
>         build date: Sun May 20 23:28:17 EDT 2001
>         shared id: cygwin1S3
>
>--
>----------------------------------------------------------
>Thorsten Clevorn                  mailto:clevorn@agere.com
>----------------------------------------------------------
>
>
>
>
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