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POHaving trouble with a Crash Report - EXC_BAD_ACCESS
 

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  1. POHaving trouble with a Crash Report - EXC_BAD_ACCESS
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    <p>OK, SO I've received a crash report for one of my apps, but I swear I'm 100% confused.</p> <p>This is what the "core" part of it looks like :</p> <pre><code>Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000 VM Regions Near 0: --&gt; __TEXT 0000000100000000-0000000100015000 [ 84K] r-x/rwx SM=COW /Applications/MY_APP/Contents/MacOS/MY_APP Application Specific Information: objc[337]: garbage collection is ON Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_c.dylib 0x00007fff90128650 strlen + 16 1 MY_BUNDLE_ID 0x0000000100008f12 0x100000000 + 36626 2 MY_BUNDLE_ID 0x000000010000b435 0x100000000 + 46133 3 MY_BUNDLE_ID 0x0000000100003c90 0x100000000 + 15504 4 com.apple.CoreFoundation 0x00007fff9065147a _CFXNotificationPost + 2554 5 com.apple.Foundation 0x00007fff8e5fe846 -[NSNotificationCenter postNotificationName:object:userInfo:] + 64 6 com.apple.AppKit 0x00007fff9a7894a7 -[NSTableView textDidChange:] + 377 7 com.apple.CoreFoundation 0x00007fff9065147a _CFXNotificationPost + 2554 8 com.apple.Foundation 0x00007fff8e5fe846 -[NSNotificationCenter postNotificationName:object:userInfo:] + 64 9 com.apple.AppKit 0x00007fff9a15c260 -[NSTextView(NSSharing) didChangeText] + 339 10 com.apple.AppKit 0x00007fff9a7f8381 _NSDoUserReplaceForCharRange + 390 11 com.apple.AppKit 0x00007fff9a7f85b1 _NSDoUserDeleteForCharRange + 38 12 com.apple.AppKit 0x00007fff9a7e1e72 -[NSTextView(NSKeyBindingCommands) deleteBackward:] + 440 13 com.apple.AppKit 0x00007fff9a18a1cc -[NSResponder doCommandBySelector:] + 75 14 com.apple.AppKit 0x00007fff9a18a02e -[NSTextView doCommandBySelector:] + 197 15 com.apple.AppKit 0x00007fff9a20cf4e -[NSKeyBindingManager(NSKeyBindingManager_MultiClients) interpretEventAsCommand:forClient:] + 2200 16 com.apple.AppKit 0x00007fff9a20c3bb -[NSTextInputContext handleEvent:] + 939 17 com.apple.AppKit 0x00007fff9a20bf87 -[NSView interpretKeyEvents:] + 183 18 com.apple.AppKit 0x00007fff9a158f67 -[NSTextView keyDown:] + 723 19 com.apple.AppKit 0x00007fff9a374120 -[NSWindow sendEvent:] + 9687 20 com.apple.AppKit 0x00007fff9a36f744 -[NSApplication sendEvent:] + 5761 21 com.apple.AppKit 0x00007fff9a2852fa -[NSApplication run] + 636 22 com.apple.AppKit 0x00007fff9a229cb6 NSApplicationMain + 869 23 MY_BUNDLE_ID 0x0000000100002014 0x100000000 + 8212 </code></pre> <p>Do you have any idea what might be going wrong? Or could you just point me to the right direction?</p> <hr> <p><strong>As an aside :</strong></p> <p>Could anyone guide me how to make e.g. <code>0x00007fff90128650</code> more... meaningful and make it (in some future crash report) also show the name of the function?</p>
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      1. POHaving trouble with a Crash Report - EXC_BAD_ACCESS
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    1. COYou need to symbolicate this crash report so you can see the references to your own code. Lines 1, 2, and 3 of the stack trace are from your own app. Once you symbolicate this report, you will see exactly which line of code is causing the problem.
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      1. POHaving trouble with a Crash Report - EXC_BAD_ACCESS
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    2. CO@rmaddy And... how do i do that? I admit I know almost nothing about making use of crash reports, do giving me some guidelines or pointing me to some piece of reference would be ideal. Thanks a lot! :-)
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    3. COLook at Technical Note TN2151 in the docs. It explains how to do this.
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