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Dave, I rebuilt version 6.11.5 of the LDM with debugging enabled but something's preventing me from debugging the ldmd(1) program: virga:ldmd ldm$ ../libtool --mode=execute gdb .libs/ldmd GNU gdb 6.3.50-20050815 (Apple version gdb-1824) (Wed Feb 6 22:51:23 UTC 2013) 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 -nvl- Starting program: /Users/ldm/ldm-6.11.5/src/ldmd/.libs/ldmd -nvl- We need authorization from an admin user to run the debugger. This will only happen once per login session. Admin username (ldm): Password: Unable to find Mach task port for process-id 47043: (os/kern) failure (0x5). (gdb) I entered the LDM user's password at the prompt. Regards, Steve Emmerson Ticket Details =================== Ticket ID: MSO-599919 Department: Support LDM Priority: Normal Status: Closed