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What does this gdb output mean?
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Solved objective-cios-simulator
P

7

120

I've got a button that plays a sound, and it seems to work perfectly fine on the simulator, but i'm getting this message:

Error loading /System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn:  dlopen(/System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.605 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn:  dlopen(/System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.657 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.671 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.706 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.715 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.732 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security
2011-11-01 02:13:02.741 Halloween FX[33484:10703] Error loading /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn:  dlopen(/System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn, 262): Symbol not found: ___CFObjCIsCollectable
  Referenced from: /System/Library/Frameworks/Security.framework/Versions/A/Security
  Expected in: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 in /System/Library/Frameworks/Security.framework/Versions/A/Security

And i've had reports saying, on some devices it's not playing at all.

Patinated answered 1/11, 2011 at 2:20 Comment(2)
Just wanted to add I'm seeing this same issue when playing HLS video streams in a iOS project using ARC. – Comprehensible
Also, this links: #6907430 cocos2d-iphone.org/forum/topic/31022 – Jacobo
O
202

That is a confirmed bug of the iOS SDK 5 / Simulator - happens as soon as the simulator tries to play sound (from a movie or any other sound source). Do not worry though, it won't be a problem on the actual device.

You mentioned actual reports of users having trouble using your App - those problems are not related / connected to the issue you have posted above.

This issue is filed by Apple under Bug ID# 10555404. I did file a report myself which has finally been identified as a dupe of the mentioned bug id.

The issue currently persists up until and including Xcode Version 4.4.1 (4F1003), iOS SDK 5.1.

Update

This issue is finally fixed within Xcode Version 4.5 (4G182), iOS SDK 6.0.

Note

The issue persists even in Xcode Version 4.5 when used in conjunction with the iOS 5.1 (or lower) simulator.

Overlay answered 29/11, 2011 at 20:50 Comment(3)
Still seeing this issue with LLDB but the annoying delay is gone. – Heidi
Looks like this is caused by an internal exception being thrown within AVFoundation on the Simulator. Disabling the "All Exceptions" breakpoint stops the debugger breaking at it and the sound does play, as suggested by Brandon Williams' answer. (Or force the debugger to continue repeatedly and the sound will eventually play.) – Isreal
I am still seeing this problem in Xcode 4.5 and with the iOS 6 Simulator + iOS SDK 6.0, no matter what workarounds or suggestions I try to move past it. Hmm ... – Kellogg
T
16

I found a temporary workaround to this problem: simply turn off breakpoints before playing the video. Then it works fine in the simulator.

Tiresome answered 29/4, 2012 at 20:29 Comment(0)
I
4

This Problem May occur if you incorrectly import a Mac OSX framework instead of iOs framework. Removing the Mac OS framework worked for me

Inset answered 17/2, 2012 at 5:45 Comment(0)
T
4

Use the AVAudioPlayer as ivar in head file with strong : @property (strong,nonatomic) AVAudioPlayer *audioPlayer For me this works.

Thrombosis answered 30/3, 2012 at 22:51 Comment(0)
S
4

The following code can be used to test on simulator. 

if (beep == nil)
    NSLog(@"audio player not initialized");             
else if(TARGET_IPHONE_SIMULATOR) 
{
    NSLog(@"beep play"); 
} 
else
{
    [beep play];  
}
Scutum answered 4/4, 2012 at 15:36 Comment(0)
H
1

This is a problem many people are having. I didn't find any solution to this yet.

I strongly suggest to file a radar. Here's mine http://openradar.appspot.com/radar?id=1466402

Heidi answered 9/12, 2011 at 14:41 Comment(1)
Don't worry on Apple becoming silent. I still get feedback on bugs. But this one is so obvious. They should at least figure out the duplicates :( – Heidi
C
1

What Till says is absolutely right. But when using ARC, this problem might correlate (without a causality) with another problem: If the AVAudioPlayer actually doesn't play any sound, this might be interesting for you: https://mcmap.net/q/182939/-avaudioplayer-stops-playing-immediately-with-arc

Chaker answered 8/1, 2012 at 15:13 Comment(0)

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