boost::program_options endless-loop ?

Hello, I'm trying to integrate the boost::program_options library into my application, but am running into some strange problems. For some reason, when calling the boost::program_options::store() function, the program enters an endless loop running processor usage too 100%. I've created a test-case which generates this error for me (see attachment). This is the output of the application: ======================================================================= lmergen@solatis3:~/Projects/Tsukku Client/src2 $ ./TsukkuNode 1 2 3 4 5 6 ======================================================================= And here it enters the endless loop. When I lookup the process id and do a kill -11 to easily generate a core dump, it looks like it's messing around with mutexes: ======================================================================= #0 0xffffe410 in __kernel_vsyscall () #1 0xb7d6325b in __lll_mutex_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7d60690 in _L_mutex_lock_26 () from /lib/tls/i686/cmov/libpthread.so.0 #3 0xbffff598 in ?? () #4 0xb7ff6730 in _dl_map_object_deps () from /lib/ld-linux.so.2 #5 0x080604dd in scoped_lock (this=0x80b4bc4, m=@0x1) at lwm_pthreads.hpp:72 #6 0x080604dd in scoped_lock (this=0xbffff5c0, m=@0x80b4bc4) at lwm_pthreads.hpp:72 #7 0x0805faed in boost::detail::sp_counted_base::release (this=0x80b4bb8) at shared_count.hpp:140 #8 0x0805f0c7 in ~shared_count (this=0xbffff6a4) at shared_count.hpp:378 #9 0xb7f0e700 in boost::program_options::common_command_line_parser::run () from /usr/lib/libboost_program_options-gcc-1_32.so.1.32.0 #10 0x0805d969 in boost::program_options::basic_command_line_parser<char>::run (this=0xbffff7d0) at parsers.hpp:84 #11 0x0805d8b3 in boost::program_options::parse_command_line<char> (argc=1, argv=0xbffffa94, desc=@0xbffff9c0, style=0, ext=Cannot access memory at address 0xfffffff5 ) at parsers.hpp:97 #12 0x0805d514 in main (argc=1, argv=0xbffffa94) at Main.cpp:28 ======================================================================= Line number 28 at Main.cpp is "boost::program_options::store ( boost::program_options::parse_command_line ( argc, argv, desc ), vm );". I've tested this, and it does the same when parsing the config file before the command line. Anyone has any idea what's causing this problem ? Thanks in advance! Regards, Leon Mergen