Re: Crash help?
Re: Crash help?
- Subject: Re: Crash help?
- From: Mike Abdullah <email@hidden>
- Date: Thu, 20 Aug 2015 10:16:19 +0100
> On 20 Aug 2015, at 07:40, Shane Stanley <email@hidden> wrote:
>
> I'm try to track down a crash, and I'm not sure where to begin. This is what I see:
>
> Crashed Thread: 0 Dispatch queue: com.apple.main-thread
>
> Exception Type: EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes: KERN_INVALID_ADDRESS at 0x000007fb9095d6f0
> Exception Note: EXC_CORPSE_NOTIFY
>
> VM Regions Near 0x7fb9095d6f0:
> CoreAnimation 0000000117933000-0000000117934000 [ 4K] rw-/rwx SM=PRV
> -->
> STACK GUARD 0000700000000000-0000700000001000 [ 4K] ---/rwx SM=NUL stack guard for thread 5
>
> Application Specific Information:
> objc_msgSend() selector name: retain
>
>
> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
> 0 libobjc.A.dylib 0x00007fff96ee44dd objc_msgSend + 29
> 1 com.apple.CoreFoundation 0x00007fff927b8b59 _CFPreferencesSetValueWithContainer + 153
> 2 com.apple.Foundation 0x00007fff91fa30af -[NSUserDefaults(NSUserDefaults) setObject:forKey:] + 46
> 3 com.apple.CoreFoundation 0x00007fff9279ca3f -[NSSet makeObjectsPerformSelector:] + 223
> 4 com.apple.AppKit 0x00007fff8aa5fd26 -[NSIBObjectData nibInstantiateWithOwner:options:topLevelObjects:] + 1142
> 5 com.apple.AppKit 0x00007fff8aa3e9c1 loadNib + 384
> 6 com.apple.AppKit 0x00007fff8aa3dee5 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:options:withZone:ownerBundle:] + 300
> 7 com.apple.AppKit 0x00007fff8abdc7d0 +[NSBundle(NSNibLoadingInternal) _loadNibFile:externalNameTable:options:withZone:] + 150
> 8 com.apple.AppKit 0x00007fff8abdc588 -[NSWindowController loadWindow] + 310
> 9 com.apple.AppKit 0x00007fff8abd79f3 -[NSWindowController window] + 80
> 10 com.apple.AppKit 0x00007fff8abe8bf2 -[NSWindowController showWindow:] + 36
> 11 com.apple.AppKit 0x00007fff8abfffea -[NSDocument showWindows] + 93
> 12 com.apple.AppKit 0x00007fff8af979dc __80-[NSDocumentController openDocumentWithContentsOfURL:display:completionHandler:]_block_invoke1035 + 200
> 13 com.apple.CoreFoundation 0x00007fff927acaec __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
> 14 com.apple.CoreFoundation 0x00007fff9279e865 __CFRunLoopDoBlocks + 341
> 15 com.apple.CoreFoundation 0x00007fff9279e02e __CFRunLoopRun + 910
> 16 com.apple.CoreFoundation 0x00007fff9279da38 CFRunLoopRunSpecific + 296
> 17 com.apple.HIToolbox 0x00007fff9a36f3bd RunCurrentEventLoopInMode + 235
> 18 com.apple.HIToolbox 0x00007fff9a36f153 ReceiveNextEventCommon + 432
> 19 com.apple.HIToolbox 0x00007fff9a36ef93 _BlockUntilNextEventMatchingListInModeWithFilter + 71
> 20 com.apple.AppKit 0x00007fff8aac01e7 _DPSNextEvent + 1076
> 21 com.apple.AppKit 0x00007fff8ae8c90d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
> 22 com.apple.AppKit 0x00007fff8aab60b8 -[NSApplication run] + 682
> 23 com.apple.AppKit 0x00007fff8aa38396 NSApplicationMain + 1176
> 24 libdyld.dylib 0x00007fff89e345ad start + 1
>
> It's a document-based app and I can produce it at will by: closing a document, waiting a couple fo seconds, then opening it (or any other document).
You can repro? That’s a great start! Considering it’s a crash in objc_msgSend, my first suspicion is a zombie. Try running your app with zombies enabled, or using Instruments’ zombie tool and see if that narrows it down at all.
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| References: | |
| | >Crash help? (From: Shane Stanley <email@hidden>) |