#164: MacRuby crashes Cocoa app with exception in CFEqual --------------------------------+------------------------------------------- Reporter: self@mattmower.com | Owner: lsansonetti@apple.com Type: defect | Status: new Priority: blocker | Milestone: MacRuby 0.4 Component: MacRuby | Keywords: crash,cfequal --------------------------------+------------------------------------------- Cocoa application built using MacRuby r746 on OS 10.5.5 with a Core 2 Duo MBP with 4GB of RAM. I am invoking a ruby proc using performRubySelector as follows: callSelector = @selector(call:); proc = [[MacRuby sharedRuntime] evaluateString:[NSString stringWithFormat:@"proc %@", source]]; return [proc performRubySelector:callSelector withArguments:_arg1_,_arg2_,nil]; in this case I am passing two Objective-C objects, part of my application data model, into the proc. The source of the proc is: do |generateTool,player| if rand < 0.5 generateTool.directionKnob.value = 1 else generateTool.directionKnob.value = 5 end end At some point the application crashes with the following stack trace: (gdb) thread apply all bt Thread 6 (process 59831 thread 0x6f17): #0 0x9063c68e in __semwait_signal () #1 0x90667986 in _pthread_cond_wait () #2 0x9066736d in pthread_cond_wait$UNIX2003 () #3 0x900db692 in -[NSCondition wait] () #4 0x9009402a in -[NSObject(NSThreadPerformAdditions) performSelector:onThread:withObject:waitUntilDone:modes:] () #5 0x900e7648 in -[NSObject(NSThreadPerformAdditions) performSelectorOnMainThread:withObject:waitUntilDone:] () #6 0x0001cf7e in -[ELTool run:] (self=0x22afa80, _cmd=0x96884ee0, _playhead_=0x0) at /Users/matt/Projects/LucidMac/Elysium/src/tools/ELTool.m:83 #7 0x000087bc in -[ELLayer pulse] (self=0x2246630, _cmd=0x2b27f) at /Users/matt/Projects/LucidMac/Elysium/src/datamodel/ELLayer.m:245 #8 0x00007f9f in -[ELLayer run] (self=0x2246630, _cmd=0x96884a24) at /Users/matt/Projects/LucidMac/Elysium/src/datamodel/ELLayer.m:155 #9 0x000081ca in -[ELLayer runLayer] (self=0x2246630, _cmd=0x2b203) at /Users/matt/Projects/LucidMac/Elysium/src/datamodel/ELLayer.m:177 #10 0x90093bad in -[NSThread main] () #11 0x90093754 in __NSThread__main__ () #12 0x906666f5 in _pthread_start () #13 0x906665b2 in thread_start () Thread 5 (process 59831 thread 0x5403): #0 0x9063c68e in __semwait_signal () #1 0x9063c50f in nanosleep$UNIX2003 () #2 0x002ec71e in thread_timer (dummy=0x0) at thread_pthread.c:571 #3 0x906666f5 in _pthread_start () #4 0x906665b2 in thread_start () Thread 4 (process 59831 thread 0x4d03): #0 0x906354a6 in mach_msg_trap () #1 0x9063cc9c in mach_msg () #2 0x00098f0f in XServerMachPort::ReceiveMessage () #3 0x0008b477 in MIDIInPortThread::Run () #4 0x0008f07d in XThread::RunHelper () #5 0x000999ee in CAPThread::Entry () #6 0x906666f5 in _pthread_start () #7 0x906665b2 in thread_start () Thread 3 (process 59831 thread 0x3d03): #0 0x906354a6 in mach_msg_trap () #1 0x9063cc9c in mach_msg () #2 0x011a7c39 in __ape_agent () #3 0x906666f5 in _pthread_start () #4 0x906665b2 in thread_start () Thread 2 (process 59831 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 59831 thread 0x10b): #0 0x92fce036 in CFEqual () #1 0x900b917f in -[NSKeyValueUnnestedProperty _keyPathIfAffectedByValueForKey:exactMatch:] () #2 0x900b9015 in -[NSKeyValueUnnestedProperty keyPathIfAffectedByValueForKey:exactMatch:] () #3 0x9008fe81 in -[NSObject(NSKeyValueObserverNotification) willChangeValueForKey:] () #4 0x9016c96d in _NSSetIntValueAndNotify () #5 0x903dc1dd in .LCFI1 () #6 0x903dc771 in ffi_call () #7 0x002fd3e0 in rb_objc_call2 (recv=36326752, klass=501521904, sel=0x1283530, imp=0x9016c8f0 <_NSSetIntValueAndNotify>, sig=0x202e630, bs_method=0x0, argc=1, argv=0x14e0058) at objc.m:1296 #8 0x002e64d3 in vm_call_method (th=0x203b6b0, cfp=0x155ff50, num=1, blockptr=0x0, flag=97, id=<value temporarily unavailable, due to optimizations>, recv=36326752, klass=501521904, mcache=0x202e620) at vm_insnhelper.c:662 #9 0x002d6759 in vm_eval (th=0x203b6b0, initial=<value temporarily unavailable, due to optimizations>) at insns.def:1067 #10 0x002e0f6b in vm_eval_body (th=0x203b6b0) at vm.c:1033 #11 0x002e14db in vm_invoke_proc (th=0x203b6b0, proc=0x22a3530, self=33777776, argc=1, argv=0xbfffe5b0, blockptr=0x0) at vm.c:449 #12 0x0020ab6f in proc_call (argc=1, argv=0x1, procval=1) at proc.c:506 #13 0x002cf035 in call_cfunc (func=0x20ab10 <proc_call>, recv=36301072, len=<value temporarily unavailable, due to optimizations>, argc=1, argv=0xbfffe5b0) at vm_insnhelper.c:289 #14 0x002e2539 in vm_call0 (th=0x203b6b0, klass=19322032, recv=36301072, id=128335, oid=4, argc=1, argv=0xbfffe5b0, body=0x2069c40, nosuper=0) at vm_eval.c:75 #15 0x002f4db8 in performRuby_safe (arg=1) at objc.m:3545 #16 0x002052a9 in rb_rescue2 (b_proc=0x2f4d60 <performRuby_safe>, data1=3221218812, r_proc=0x2f4dc0 <performRuby_rescue>, data2=0) at eval.c:662 #17 0x002f8f47 in -[NSObject(MacRubyAdditions) performRubySelector:withArguments:count:] (self=0x229e910, _cmd=0x30fd70, sel=0x2f1a0, argv=0xbfffe660, argc=1) at objc.m:3609 #18 0x002f4ea0 in -[NSObject(MacRubyAdditions) performRubySelector:withArguments:] (self=0x1, _cmd=0x30fd4c, sel=0x1, firstArg=0x22afa80) at objc.m:3649 #19 0x0001e42a in -[RubyBlock evalWithArg:arg:] (self=0x23b5ec0, _cmd=0x2ef72, _arg1_=0x22afa80, _arg2_=0x0) at /Users/matt/Projects/LucidMac/Elysium/src/scripting/RubyBlock.m:55 #20 0x0001d0bf in -[ELTool runWillRunScript:] (self=0x22afa80, _cmd=0x2effc, _playhead_=0x0) at /Users/matt/Projects/LucidMac/Elysium/src/tools/ELTool.m:104 #21 0x9009475c in __NSThreadPerformPerform () #22 0x92fcb615 in CFRunLoopRunSpecific () #23 0x92fcbcf8 in CFRunLoopRunInMode () #24 0x946a1480 in RunCurrentEventLoopInMode () #25 0x946a1299 in ReceiveNextEventCommon () #26 0x946a110d in BlockUntilNextEventMatchingListInMode () #27 0x927073ed in _DPSNextEvent () #28 0x92706ca0 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] () #29 0x926ffcdb in -[NSApplication run] () #30 0x926ccf14 in NSApplicationMain () #31 0x00002670 in main (argc=3, argv=0xbffff6ac) at /Users/matt/Projects/LucidMac/Elysium/main.m:13 (gdb) then crashed with an EXC_BAD_ACCESS signal. This problem is blocking the next release of my app which utilizes a lot of Ruby scripting. -- Ticket URL: <http://www.macruby.org/trac/ticket/164> MacRuby <http://macruby.org/>