I just had this problem come up again. It happens when I pop a view controller, so there are a whole bunch of things being tidied up behind the scenes.
Although it is always happening at the same point in the code, I really have no idea where to look for debugging it. Any tips on debugging this would be very much appreciated. Thanks Gideon On 12 Jan 2014, at 11:54 am, Gideon King <gid...@novamind.com> wrote: > I have seen this crash twice in running my code over 100 times, so it’s > pretty hard to reproduce, but definitely there. > > It seems to be related to deallocating an OUIInspectorPane object, but when I > look in the debugger, it is actually my subclass of that object. I have > zombies turned on, but that didn’t seem to isolate the problem. > > Can anyone suggest a way of tracking this down? > > * thread #1: tid = 0x9b3267, 0x026c492b > libobjc.A.dylib`weak_unregister_no_lock + 119, queue = > 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, > address=0x2936f6d0) > frame #0: 0x026c492b libobjc.A.dylib`weak_unregister_no_lock + 119 > frame #1: 0x026c50fa libobjc.A.dylib`objc_destroyWeak_slow(objc_object**) > + 135 > frame #2: 0x002db8f1 NovaMind`-[OUIInspectorPane > .cxx_destruct](self=0x168effd0, _cmd=0x026ca62e) + 113 at > OUIInspectorPane.m:21 > frame #3: 0x026b32d4 > libobjc.A.dylib`object_cxxDestructFromClass(objc_object*, objc_class*) + 128 > frame #4: 0x026b324f libobjc.A.dylib`object_cxxDestruct + 20 > frame #5: 0x026be22c libobjc.A.dylib`objc_destructInstance + 48 > frame #6: 0x02dfdecc CoreFoundation`-[NSObject(NSObject) __dealloc_zombie] > + 156 > frame #7: 0x01327c56 UIKit`-[UIViewController dealloc] + 1818 > frame #8: 0x00361747 NovaMind`-[OUIViewController > dealloc](self=0x168effd0, _cmd=0x026ca678) + 167 at OUIViewController.m:69 > frame #9: 0x01324975 UIKit`-[UIViewController release] + 89 > frame #10: 0x026c4e97 libobjc.A.dylib`objc_release + 71 > frame #11: 0x0120a5fc UIKit`__destroy_helper_block_121 + 124 > frame #12: 0x04c557a5 libsystem_sim_blocks.dylib`_Block_release + 207 > frame #13: 0x01277e3f UIKit`-[UIViewAnimationBlockDelegate dealloc] + 66 > frame #14: 0x026c5692 libobjc.A.dylib`objc_object::sidetable_release(bool) > + 268 > frame #15: 0x026c6adf libobjc.A.dylib`-[NSObject release] + 25 > frame #16: 0x02ce1cb0 CoreFoundation`CFRelease + 272 > frame #17: 0x02de974e CoreFoundation`-[__NSDictionaryI dealloc] + 126 > frame #18: 0x026c5692 libobjc.A.dylib`objc_object::sidetable_release(bool) > + 268 > frame #19: 0x026c4e81 libobjc.A.dylib`objc_release + 49 > frame #20: 0x026c5ce7 libobjc.A.dylib`(anonymous > namespace)::AutoreleasePoolPage::pop(void*) + 537 > frame #21: 0x02d01968 CoreFoundation`_CFAutoreleasePoolPop + 24 > frame #22: 0x02d066c3 CoreFoundation`__CFRunLoopRun + 1971 > frame #23: 0x02d05ac3 CoreFoundation`CFRunLoopRunSpecific + 467 > frame #24: 0x02d058db CoreFoundation`CFRunLoopRunInMode + 123 > frame #25: 0x040529e2 GraphicsServices`GSEventRunModal + 192 > frame #26: 0x04052809 GraphicsServices`GSEventRun + 104 > frame #27: 0x01215d3b UIKit`UIApplicationMain + 1225 > frame #28: 0x0000216d NovaMind`main(argc=1, argv=0xbfffec78) + 141 at > main.m:16 > > Thanks > > Gideon > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
