GNU gdb 19990525
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This GDB was configured as "i586-mingw32"...(no debugging symbols found)...
(gdb) run
Starting program: c:\cygwin\bin\bash.exe 
61000000:C:/pack/cygwin/bin/cygwin1.dll
77e80000:C:/WINNT/system32/KERNEL32.dll
77e10000:C:/WINNT/system32/USER32.dll
77f40000:C:/WINNT/system32/GDI32.DLL
77db0000:C:/WINNT/system32/advapi32.dll
77d40000:C:/WINNT/system32/RPCRT4.DLL

Program received signal SIGSEGV, Segmentation fault.
MTinterface::Init (this=0x610dc000, forked=0)
    at ../../../../cygwin_daemon/winsup/cygwin/thread.cc:296
296	  mainthread.win32_obj_id = myself->hProcess;
Current language:  auto; currently c++
(gdb) bt
#0  MTinterface::Init (this=0x610dc000, forked=0)
    at ../../../../cygwin_daemon/winsup/cygwin/thread.cc:296
#1  0x610055fc in dll_crt0_1 ()
    at ../../../../cygwin_daemon/winsup/cygwin/dcrt0.cc:570
#2  0x6100605e in _dll_crt0 ()
    at ../../../../cygwin_daemon/winsup/cygwin/dcrt0.cc:862
#3  0x6100609d in dll_crt0 (uptr=0x0)
    at ../../../../cygwin_daemon/winsup/cygwin/dcrt0.cc:875
#4  0x46ecaf in _size_of_stack_reserve__ ()
#5  0x40103d in _size_of_stack_reserve__ ()
#6  0x77e8d326 in _system_dlls__ ()
(gdb) quit