(gdb) bt
#0  0x01ee309f in objc_msgSend ()
#1  0x01ee724c in __FUNCTION__.13547 ()
#2  0x01c9404c in CFRelease ()
#3  0x01cb918d in _CFAutoreleasePoolPop ()
#4  0x0055bce1 in _wrapRunLoopWithAutoreleasePoolHandler ()
#5  0x01d5e89b in __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ ()
#6  0x01cf36e7 in __CFRunLoopDoObservers ()
#7  0x01cbc1d7 in __CFRunLoopRun ()
#8  0x01cbb840 in CFRunLoopRunSpecific ()
#9  0x01cbb761 in CFRunLoopRunInMode ()
#10 0x023861c4 in GSEventRunModal ()
#11 0x02386289 in GSEventRun ()
#12 0x0055bc93 in UIApplicationMain ()
#13 0x00002576 in main (argc=1, argv=0xbffff0cc) at /Users/macuser/Documents/Work/Varian/sandbox2/iOS/main.m:14
(gdb)