I got another hit, I have attached the screenshot, and here are the addrlines:
/usr/src/gnumach/build-dbg/../kern/debug.c:97 /usr/src/gnumach/build-dbg/../kern/debug.c:66 /usr/src/gnumach/build-dbg/../kern/rdxtree.c:233 /usr/src/gnumach/build-dbg/../kern/rdxtree.h:94 /usr/src/gnumach/build-dbg/../ipc/ipc_object.c:660 /usr/src/gnumach/build-dbg/../ipc/ipc_kmsg.c:2300 /usr/src/gnumach/build-dbg/../ipc/ipc_kmsg.c:2408 /usr/src/gnumach/build-dbg/../ipc/ipc_kmsg.c:2512 /usr/src/gnumach/build-dbg/../ipc/mach_msg.c:1466 Samuel
