(gdb) thread apply all bt

Thread 6 (process 14862 thread 0x6c33):
#0  0x001fdf98 in rb_longjmp (tag=6, mesg=17210720) at eval.c:459
#1  0x001fe313 in rb_exc_raise (mesg=17013040) at eval.c:465
#2  0x002d3fa1 in rb_call0 (klass=4317872, recv=4339008, mid=1056, argc=0, argv=0x0, scope=1, self=6) at vm_eval.c:215
#3  0x002d4602 in rb_funcall (recv=4339008, mid=1056, n=0) at vm_eval.c:334
#4  0x002e5e06 in rb_raise_ruby_exc_in_objc (ex=4) at objc.m:3423
#5  0x002e6266 in performRuby_rescue (arg=17013040) at objc.m:3504
#6  0x001fcf28 in rb_rescue2 (b_proc=0x2e61e0 <performRuby_safe>, data1=2955445180, r_proc=0x2e6240 <performRuby_rescue>, data2=17013040) at eval.c:684
#7  0x002e78f7 in -[NSObject(MacRubyAdditions) performRubySelector:withArguments:count:] (self=0x1221cf0, _cmd=0x300e98, sel=0x29ec3, argv=0xb0288420, argc=2) at objc.m:3558
#8  0x002e6320 in -[NSObject(MacRubyAdditions) performRubySelector:withArguments:] (self=0x6, _cmd=0x300e74, sel=0x6, firstArg=0x10752b0) at objc.m:3598
#9  0x0001e60f in -[RubyBlock evalWithArg:arg:] (self=0x10f7a20, _cmd=0x29d04, _arg1_=0x10752b0, _arg2_=0x128e650) at /Users/matt/Projects/LucidMac/Elysium/src/scripting/RubyBlock.m:55
#10 0x000246a0 in -[ELMIDITrigger handleMIDIControlMessage:] (self=0x1260610, _cmd=0x2aca8, _controlMessage_=0x128e650) at /Users/matt/Projects/LucidMac/Elysium/src/midi/ELMIDITrigger.m:54
#11 0x93039e9c in -[NSArray makeObjectsPerformSelector:withObject:] ()
#12 0x0000d641 in -[ELPlayer handleMIDIControlMessage:] (self=0x10752b0, _cmd=0x2aca8, _message_=0x128e650) at /Users/matt/Projects/LucidMac/Elysium/src/datamodel/ELPlayer.m:235
#13 0x9009475c in __NSThreadPerformPerform ()
#14 0x92fcb615 in CFRunLoopRunSpecific ()
#15 0x92fcbcf8 in CFRunLoopRunInMode ()
#16 0x900c8135 in -[NSRunLoop(NSRunLoop) runMode:beforeDate:] ()
#17 0x901466ed in -[NSRunLoop(NSRunLoop) runUntilDate:] ()
#18 0x0000cd2f in -[ELPlayer triggerMain] (self=0x10752b0, _cmd=0x2697b) at /Users/matt/Projects/LucidMac/Elysium/src/datamodel/ELPlayer.m:148
#19 0x90093bad in -[NSThread main] ()
#20 0x90093754 in __NSThread__main__ ()
#21 0x906666f5 in _pthread_start ()
#22 0x906665b2 in thread_start ()

Thread 5 (process 14862 thread 0x5403):
#0  0x906354a6 in mach_msg_trap ()
#1  0x9063cc9c in mach_msg ()
#2  0x0008cf0f in XServerMachPort::ReceiveMessage ()
#3  0x0007f477 in MIDIInPortThread::Run ()
#4  0x0008307d in XThread::RunHelper ()
#5  0x0008d9ee in CAPThread::Entry ()
#6  0x906666f5 in _pthread_start ()
#7  0x906665b2 in thread_start ()

Thread 4 (process 14862 thread 0x4d03):
#0  0x9063c68e in __semwait_signal ()
#1  0x9063c50f in nanosleep$UNIX2003 ()
#2  0x002ddc3e in thread_timer (dummy=0x0) at thread_pthread.c:569
#3  0x906666f5 in _pthread_start ()
#4  0x906665b2 in thread_start ()

Thread 3 (process 14862 thread 0x3d03):
#0  0x906354a6 in mach_msg_trap ()
#1  0x9063cc9c in mach_msg ()
#2  0x003a1c39 in __ape_agent () at ruby.h:1204
#3  0x906666f5 in _pthread_start ()
#4  0x906665b2 in thread_start ()

Thread 2 (process 14862 thread 0x2a03):
#0  0x9063c68e in __semwait_signal ()
#1  0x90667986 in _pthread_cond_wait ()
#2  0x9066736d in pthread_cond_wait$UNIX2003 ()
#3  0x93f36bcf in auto_collection_thread ()
#4  0x906666f5 in _pthread_start ()
#5  0x906665b2 in thread_start ()

Thread 1 (process 14862 thread 0x10b):
#0  0x906354ee in semaphore_wait_signal_trap ()
#1  0x9063cfc5 in pthread_mutex_lock ()
#2  0x002dcab8 in native_mutex_lock (lock=0xe) at thread_pthread.c:30
#3  0x002e0e91 in rb_thread_schedule () at thread.c:809
#4  0x002dff2f in rb_thread_execute_interrupts (th=0x1039930) at thread.c:904
#5  0x92fcbb45 in CFRunLoopRunSpecific ()
#6  0x92fcbcf8 in CFRunLoopRunInMode ()
#7  0x946a1480 in RunCurrentEventLoopInMode ()
#8  0x946a1299 in ReceiveNextEventCommon ()
#9  0x946a110d in BlockUntilNextEventMatchingListInMode ()
#10 0x927073ed in _DPSNextEvent ()
#11 0x92706ca0 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#12 0x926ffcdb in -[NSApplication run] ()
#13 0x926ccf14 in NSApplicationMain ()
#14 0x00002d00 in main (argc=3, argv=0xbffff6ac) at /Users/matt/Projects/LucidMac/Elysium/main.m:13
(gdb)