Sorry for lack of traceback, just installed gdb: Application: KTuberling (ktuberling), signal: Segmentation fault Using host libthread_db library "/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1". #0 0xb7716be0 in __kernel_vsyscall () at dl-tls.c:725 #1 0x00000058 in ?? () #2 0x00000000 in ?? () Regards, Robert