gdb /usr/local/bin/blitzen GNU gdb 6.3.50-20050815 (Apple version gdb-1472) (Wed Jul 21 10:53:12 UTC 2010) Copyright 2004 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 "x86_64-apple-darwin"...Reading symbols for shared libraries ........ done (gdb) run Starting program: /usr/local/bin/blitzen Reading symbols for shared libraries .+++++++........................................................................................... done SneServer: Using Pools /plainc -> /var/lib/blitzen/apps/demo/plain_c/plainc-demo-app.so /vala -> /var/lib/blitzen/apps/demo/vala/vala-demo-app.so SneHttpServer: Using pools 8705 Trying port 8705 Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x00000000010020c0 [Switching to process 58943] 0x00007fff8669f7b7 in pthread_mutex_lock () (gdb)