. Thread 2 (process 6021): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7c5d05e in __lll_mutex_lock_wait () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7bd7ceb in _L_lock_83 () from /lib/tls/i686/cmov/libc.so.6 #3 0xb7bd7c89 in fflush () from /lib/tls/i686/cmov/libc.so.6 #4 0xb7d79260 in ?? () from /usr/lib/libstdc++.so.6 #5 0xb7d7ad42 in std::ostream::flush () from /usr/lib/libstdc++.so.6 #6 0xb7d43801 in std::ios_base::Init::~Init () from /usr/lib/libstdc++.so.6 #7 0xb7d58c30 in ?? () from /usr/lib/libstdc++.so.6 #8 0xb7badcc9 in __cxa_finalize () from /lib/tls/i686/cmov/libc.so.6 #9 0xb7d37963 in ?? () from /usr/lib/libstdc++.so.6 #10 0xb7dd9820 in ?? () from /usr/lib/libstdc++.so.6 #11 0xb7dd8ff4 in ?? () from /usr/lib/libstdc++.so.6 #12 0xbfaae3f8 in ?? () #13 0xb7db28ac in ?? () from /usr/lib/libstdc++.so.6 #14 0xb7f36284 in _fini () from /lib/tls/i686/cmov/libpthread.so.0 Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 1 (process 6050): #0 0xb7be6a16 in malloc_consolidate () from /lib/tls/i686/cmov/libc.so.6 #1 0xb7be8e38 in _int_malloc () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7bea60e in malloc () from /lib/tls/i686/cmov/libc.so.6 #3 0xb7dac207 in operator new () from /usr/lib/libstdc++.so.6 #4 0xb7d87a0b in std::string::_Rep::_S_create () from /usr/lib/libstdc++.so.6 #5 0xb7d885c8 in std::string::_Rep::_M_clone () from /usr/lib/libstdc++.so.6 #6 0xb7d88f17 in std::basic_string, std::allocator >::basic_string () from /usr/lib/libstdc++.so.6 #7 0x0804e62e in lineakd_core_functions::restart () #8 0x080500bf in lineakd_core_functions::handle_messages () #9 0xb7f2c31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb7c5057e in clone () from /lib/tls/i686/cmov/libc.so.6