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GDB on Win2k doesn't work for me.


When I try to debug even the most trivial program using GDB, the execution
is stopped with "Unknown signal"'s. Continuing doesn't help; eventually GDB
just hangs.

I believe that I'm running the most recent version of everything (I just
run "setup" to make sure).

I'm pretty sure that this has been discussed before, but a search of the
mailing list archive didn't turn up anything useful. I did find,

    http://sourceware.cygnus.com/ml/cygwin/2000-04/msg00420.html

which points to

    ftp://ftp.cygnus.com/private/home/cgf/gdb.exe.bz2

but that file no longer exists.

---------------------------------------------------------------------------

milhouse% cat foo.c
#include <stdio.h>

int main() {
    printf("Hello, world.\n");
    return 0;
}
milhouse% gcc -v
Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/specs
gcc version 2.95.2 19991024 (release-2)
milhouse% gcc -g -o foo.exe foo.c
milhouse% gdb -nw foo.exe
GNU gdb 5.0
Copyright 2000 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) run
Starting program: /home/stodghil/localhome/tmp/foo.exe 
gdb: unknown target exception 0x000006d1 at 0x77e89b01

Program received signal ?, Unknown signal.
0x77e89b01 in ?? ()
(gdb) 

---------------------------------------------------------------------------

milhouse% uname -a
CYGWIN_NT-5.0 MILHOUSE 1.1.2(0.21/3/2) 2000-06-06 22:20 i686 unknown
milhouse% cygcheck -v -s -r

Cygnus Win95/NT Configuration Diagnostics
Current System Time: Mon Jun 26 13:02:33 2000

WinNT Ver 5.0 build 2195 

Path:	/home/stodghil/usr/i386-cygwin/bin
	/home/stodghil/pvse/bin
	/home/stodghil/usr/share/bin
	/usr/local/gcc/bin
	/usr/local/bin
	/usr/X11R6/bin
	/contrib/bin
	/usr/bin
	/cygdrive/c/WINDOWS/MS/SMS/CORE/BIN
	/cygdrive/c/WINDOWS/MS/SMS/CORE/BIN
	/cygdrive/c/Progra~1/Micros~4/Common/Tools
	/cygdrive/c/Progra~1/Micros~4/Common/Msdev98/BIN
	/cygdrive/c/Progra~1/Micros~4/DF98/BIN
	/cygdrive/c/Progra~1/Micros~4/VC98/BIN
	/cygdrive/c/Progra~1/MPIPro/bin
	/cygdrive/c/Progra~1/Perl/bin
	/cygdrive/c/WINDOWS/system32
	/cygdrive/c/WINDOWS
	/cygdrive/c/WINDOWS/system32/WBEM
	/cygdrive/c/Progra~1/Rational/common
	/cygdrive/c/Program
	Files/Intel/compiler45/bin
	/cygdrive/c/Progra~1/Intel/compiler45/bin
	/cygdrive/c/Progra~1/Intel/edb32/
	/cygdrive/c/progra~1/texmf/miktex/bin
	/cygdrive/c/PROGRA~1/MICROS~4/COMMON/msdev98/BIN
	/cygdrive/c/PROGRA~1/MICROS~4/VC98/BIN
	/cygdrive/c/PROGRA~1/MICROS~4/COMMON/TOOLS/WINNT
	/cygdrive/c/PROGRA~1/MICROS~4/COMMON/TOOLS
	/cygdrive/c/progra~1/python
	/cygdrive/c/progra~1/tcl/bin
	/cygdrive/c/progra~1/mpipro/bin
	/usr/bin
	/usr/local/bin
	/usr/X11R6/bin
	.

SysDir: C:\WINDOWS\System32
WinDir: C:\WINDOWS

HOME = `/home/stodghil'
LD_LIBRARY_PATH = `/home/stodghil/usr/i386-cygwin/lib:/usr/local/gnu/lib:/usr/local/lib'
MAKE_MODE = `unix'
PWD = `/home/stodghil'
USER = `stodghil'

ALLUSERSPROFILE = `C:\Documents and Settings\All Users'
APPDATA = `C:\Documents and Settings\stodghil.CUCS\Application Data'
BIBINPUTS = `.:~pidgin/papers/bib:'
BSTINPUTS = `.:~/usr/share/lib/texmf/bibtex/bst:'
CLASSPATH = `C:\PROGRA~1\PHOTOD~1.0\ADOBEC~1'
COMMONPROGRAMFILES = `C:\Program Files\Common Files'
COMPUTERNAME = `MILHOUSE'
COMSPEC = `C:\WINDOWS\system32\cmd.exe'
CPTC_SUPPORT = `/home/stodghil/cptc-support'
CPU = `i386'
DOMAINNAME = `cs.cornell.edu'
EDITOR = `gnuclient'
EMACS = `1'
ENSCRIPT = `-p -'
GNU_SECURE = `/home/stodghil/.gnuserv'
GROUP = `Administrators'
HOMEDRIVE = `T:'
HOMEPATH = `\'
HOMESHARE = `\\bigbird\stodghil'
HOST = `MILHOUSE'
HOSTNAME = `MILHOUSE'
HOSTOS = `i386-cygwin'
HOSTTYPE = `i386'
INCLUDE = `C:\Program Files\Intel\compiler45\include;C:\Progra~1\Intel\compiler45\include;C:\PROGRA~1\MICROS~4\VC98\ATL\INCLUDE;C:\PROGRA~1\MICROS~4\VC98\INCLUDE;C:\PROGRA~1\MICROS~4\VC98\MFC\INCLUDE;C:\Progra~1\Micros~4\DF98\IMSL\INCLUDE;C:\Progra~1\Micros~4\DF98\INCLUDE;C:\Progra~1\Micros~4\VC98\INCLUDE'
INFOPATH = `/home/stodghil/usr/share/info:/usr/local/info:/usr/info'
LESS = `sh10'
LIB = `C:\Program Files\Intel\compiler45\lib;C:\Progra~1\Intel\compiler45\lib;C:\PROGRA~1\MICROS~4\VC98\LIB;C:\PROGRA~1\MICROS~4\VC98\MFC\LIB;C:\Progra~1\Micros~4\DF98\IMSL\LIB;C:\Progra~1\Micros~4\DF98\LIB;C:\Progra~1\Micros~4\VC98\LIB'
LINK_F90 = `imsl.lib imsls_err.lib imslmpistub.lib'
LOGGEDIN = `'
LOGNAME = `stodghil'
LOGONSERVER = `\\IAGO'
LONGNAME = `milhouse.cs.cornell.edu'
LPDEST = `sully'
MACHTYPE = `i386'
MANPATH = `/home/stodghil/usr/share/man:/usr/local/man:/usr/man'
MINGWROOT = `/usr/local/mingw'
MIRRORDIR = `/home/stodghil/usr/share/etc/mirror'
MPI_COMM = `TCP'
MPI_HOME = `C:\PROGRA~1\MPIPro'
MSDEVDIR = `C:\PROGRA~1\MICROS~4\COMMON\msdev98'
MSVCDIR = `C:\PROGRA~1\MICROS~4\VC98'
NENSCRIPT = `-p -'
NNTPSERVER = `newsstand.cit.cornell.edu'
NUMBER_OF_PROCESSORS = `1'
ORGANIZATION = `Dept. of Comp. Sci., Cornell U.'
OS2LIBPATH = `C:\WINDOWS\system32\os2\dll;'
OS = `Windows_NT'
OSTYPE = `cygwin'
PAGER = `ul'
PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
PERL5LIB = `/home/stodghil/usr/share/lib/perl'
PETSC_ARCH = `cptc-support'
PETSC_DIR = `/home/stodghil/cptc-support/petsc'
PRINTER = `sully'
PROCESSOR_ARCHITECTURE = `x86'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 5 Stepping 2, GenuineIntel'
PROCESSOR_LEVEL = `6'
PROCESSOR_REVISION = `0502'
PROGRAMFILES = `C:\Program Files'
PROMPT = `$p$g'
PURIFYCACHEDIR = `/home/stodghil/usr/i386-cygwin/lib/purify/cache'
SCHEME_LIBRARY_PATH = `/home/stodghil/usr/share/lib/slib/'
SHELL = `/usr/local/bin/tcsh'
SHLVL = `2'
SHORTHOST = `milhouse'
SYSTEMDRIVE = `C:'
SYSTEMROOT = `C:\WINDOWS'
TEMP = `c:\temp'
TERM = `emacs'
TERMCAP = `emacs:co#80:tc=unknown:'
TEXINPUTS = `.:~/usr/share/lib/texmf/latex//:'
TEXMF = `c:\progra~1\texmf'
TMP = `c:\temp'
TMPDIR = `/home/stodghil/localhome/tmp'
TZ = `EST5EDT4,M4.1.0/2,M10.5.0/2'
USERDOMAIN = `CUCS'
USERNAME = `stodghil'
USERPROFILE = `C:\Documents and Settings\stodghil.CUCS'
VENDOR = `intel'
VISUAL = `gnuclient'
VNI_F90_MSG = `C:\Progra~1\Micros~4\DF98\IMSL\MESSAGE'
WEBSTERHOST = `alvis'
WINBOOTDIR = `C:\WINDOWS'
WINDIR = `C:\WINDOWS'

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 = 0x00000020
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/
  (default) = `c:\Progra~1\Cygwin'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/home/pidgin
  (default) = `p:'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/home/stodghil
  (default) = `c:\home'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/home/stodghil/unix
  (default) = `u:\'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/localhome
  (default) = `c:\localhome'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
  (default) = `c:\Progra~1\Cygwin\bin'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
  (default) = `c:\Progra~1\Cygwin\lib'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/local
  (default) = `c:\unix\usr.local'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/X11R6
  (default) = `c:\unix\usr.X11R6.4'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Microsoft\ftp\Accounts\sourceware.cygnus.com
  (default) = `'
   = `'
  Login Attributes = 0x00000002
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\Installed Components
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Installed Components\c:/Progra~1/Cygwin
  (default) = `20000517'
  bash = `0002.0004.0001'
  binutils = `19990818.0002'
  bison = `0000'
  byacc = `0000'
  bzip = `0000'
  clear = `0001.0000'
  cygwin = `0001.0001.0002'
  dejagnu = `0000'
  diff = `0000'
  expect = `0000'
  fileutils = `0000'
  findutils = `0000'
  flex = `0000'
  gawk = `0003.0000.0004'
  gcc = `0002.0095.0002.0002'
  gdb = `20000610'
  gperf = `0000'
  grep = `0000'
  groff = `0001.011a.0001'
  gzip = `0000'
  inetutils = `0001.0003.0002.0004'
  less = `0000'
  libpng = `0001.0000.0006.0001'
  login = `0001.0003'
  m = `0000'
  make = `0003.0079.0002'
  man = `0001.005g.0002'
  patch = `0000'
  sed = `0003.0002.0001'
  shellutils = `0000'
  tar = `0000'
  tcltk = `20000610'
  termcap = `20000618.0001'
  texinfo = `0000'
  textutils = `0000'
  time = `0000'
  zlib = `0001.0001.0003.0001'
  crypt = `0001.0000'
  opengl = `0001.0002.0001.0001'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2

a:  fd           N/A    N/A                    
c:  hd  NTFS    5987Mb  91% CP CS UN PA FC     
g:  cd           N/A    N/A                    
h:  net NTFS   833111Mb  87% CP CS UN PA FC     powervault
p:  net UNKNOWN  3996Mb  88%                    pidgin
s:  net NTFS    4094Mb  64% CP CS UN PA FC     
t:  net NTFS   86796Mb  94% CP CS UN PA FC     Bigbird_1
u:  net UNKNOWN  4063Mb  78%                    stodghil
w:  net NTFS   28670Mb  51% CP CS UN PA FC     HTTP
z:  net NTFS   152425Mb  26% CP CS UN PA FC     Raven_a

c:\Progra~1\Cygwin\bin  /usr/bin  user    binmode
c:\Progra~1\Cygwin\lib  /usr/lib  user    binmode
c:\unix\usr.X11R6.4  /usr/X11R6  user    binmode
c:\Progra~1\Cygwin  /        user    binmode
c:\unix\usr.local  /usr/local  user    binmode
c:\localhome  /localhome  user    binmode
c:\home  /home/stodghil  user    binmode
p:    /home/pidgin  user    binmode
u:    /home/stodghil/unix  user    binmode

Found: c:\Progra~1\Cygwin\bin\bash.exe
Found: c:\unix\usr.local\bin\cat.exe
Found: c:\Progra~1\Cygwin\bin\cat.exe
Warning: c:\unix\usr.local\bin\cat.exe hides c:\Progra~1\Cygwin\bin\cat.exe
Found: c:\Progra~1\Cygwin\bin\cpp.exe
Found: c:\Progra~1\Cygwin\bin\find.exe
Found: c:\Progra~1\Cygwin\bin\gcc.exe
Found: c:\Progra~1\Cygwin\bin\gdb.exe
Found: c:\Progra~1\Cygwin\bin\ld.exe
Found: c:\Progra~1\Cygwin\bin\ls.exe
Found: c:\Progra~1\Cygwin\bin\make.exe
Found: c:\Progra~1\Cygwin\bin\sh.exe

   83k 2000/06/11 c:\Progra~1\Cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitcl30.dll" v0.0 ts=2000/6/10 23:34
   35k 2000/06/11 c:\Progra~1\Cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitk30.dll" v0.0 ts=2000/6/10 23:34
  402k 2000/06/11 c:\Progra~1\Cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtcl80.dll" v0.0 ts=2000/6/10 23:30
    5k 2000/06/11 c:\Progra~1\Cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
   10k 2000/06/11 c:\Progra~1\Cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtclreg80.dll" v0.0 ts=2000/6/10 23:30
  639k 2000/06/11 c:\Progra~1\Cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtk80.dll" v0.0 ts=2000/6/10 23:34
  575k 2000/06/07 c:\Progra~1\Cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/6/6 22:20
Use -h to see help about each section
milhouse% 


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