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LLDB crash

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Reply to Can't log in
The normal update process takes place in two main phases. The first, before the installer reboots your computer, and the second phase that begins after the restart but before you are asked to log in etc.. If the installer didn't/couldn't make the necessary change (the creation of a 0-byte file or entry in a plist) that precipitates the second phase then that can cause the situation you have now - a partially updated system that crashes before the login screen. Recovering OS X via the method above is your best fix at this point.
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’15
Access UIDynamicAnimator's debugEnabled in lldb?
Hi all:I watched the WWDC15 talked titled What's New in UIKit Dynamics and Visual Effects. Around the 16:00 minute mark the speaker refers to UIDynamicAnimators debugEnabled feature.He states:• Pause the debugger• Find a reference to your UIDynamicAnimator• Set debugEnabled to trueNow, this is likely something very trivial. However, my LLDB skills are poor. If anyone could enlighten me as to how I would go about doing this the right way, it would be very much appreciated.The steps I've currently tried are:• Run the app• Hit 'pause' in the debug area• Search in local variables segment to the left of the console (it's always blank)• I've tried referring to the animator by the variable name I gave it, 'animator', but the console returns an error stating the command is invalid• I've tried using 'expr animator.debugEnabled = true' - same issue.Do I need to edit my scheme to be in a specific mode? Really quite lost.Thanks in advance for any help.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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784
Jul ’15
Reply to Swift from the commandline
I can help you with the interpreter part. With Swift, it's called the read-evaluate-play loop (REPL), and it's accessible from both the command line and from the LLDB debugger terminal.To open the REPL in the command line, type this command:xcrun swiftThe tool isn't downloaded by default, so you'll be prompted to download and install it.Once you get the REPL working, just type a line of code and hit Return—it will be immediately compiled and executed and you'll be able to see the current state of your variables. I don't know if you'll be able to create a window with it, though, but it's great for learning the language.
Topic: Programming Languages SubTopic: Swift Tags:
Jul ’15
Reply to What is mediaserverd actually responsible for?
Warning, Im not from Apple, nor do I have any insight other than what ive gleaned from working with AVF on desktop and on iOS.My understanding is that mediaserverd handles vending and recieveing IOSurface backed pixel buffers from the camera, video encoder and video decoder, audio, jpeg encoder and png encoder. mediaserverd also handles setting up your camera controls, playing movies and what not.This is why there is asynchronous key value loading and latency, and threading concerns because of the IPC mechanisms being employed for AVFoundation to talk to mediaserverd on your behalf (and to send respondes from mediaserverd back).Ive had issues where ive done stupid things, or maybe found a weird bug in medaiserver accidentally, and had jpeg decoding in my app die because, well, we crashed the hardware decoder, etc.Basically, mediaserverd asyncrhonously conducts media on the device and negotiates between multiple app's encoding, playback and what not sessions.
Topic: Media Technologies SubTopic: Audio Tags:
Jul ’15
Xcode 7 crashes on opening anything
Process: Xcode [89774]Path: /Applications/Xcode-beta 2.app/Contents/MacOS/XcodeIdentifier: com.apple.dt.XcodeVersion: 7.0 (8123.33)Build Info: IDEFrameworks-8123033000000000~10Code Type: X86-64 (Native)Parent Process: ??? [1]Responsible: Xcode [89774]User ID: 501Date/Time: 2015-07-02 23:42:24.739 +0300OS Version: Mac OS X 10.11 (15A204h)Report Version: 11Anonymous UUID: 5EDD5FFB-3302-94EC-0AF4-702AB7468336Sleep/Wake UUID: D4041EA4-20AE-40BD-BA32-828987C995C4Time Awake Since Boot: 41000 secondsTime Since Wake: 10000 secondsCrashed Thread: 0 Dispatch queue: com.apple.main-threadException Type: EXC_BAD_ACCESS (SIGSEGV)Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000Exception Note: EXC_CORPSE_NOTIFYVM Regions Near 0:--> __TEXT 0000000103d8d000-0000000103d8e000 [ 4K] r-x/rwx SM=COW /Applications/Xcode-beta 2.app/Contents/MacOS/XcodeApplication Specific Information:ProductBuildVersion: 7A121lThread 0 Crashed:: Dispatch queue: com.apple.main-thread0 libsystem_c.dylib 0x00007fff903071f2 strlen
Topic: Developer Tools & Services SubTopic: Xcode Tags:
1
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460
Jul ’15
Amazon Kindle crashing
Though listed as a working application on El Capitan, it's crashing on my system after deregistering and trying to re-register the device...7/2/15 3:08:17.588 PM Kindle[11073]: WARNING: The Gestalt selector gestaltSystemVersion is returning 10.9.0 instead of 10.11.0. This is not a bug in Gestalt -- it is a documented limitation. Use NSProcessInfo's operatingSystemVersion property to get correct system version number.Call location:7/2/15 3:08:17.588 PM Kindle[11073]: 0 CarbonCore 0x97854973 ___Gestalt_SystemVersion_block_invoke + 1357/2/15 3:08:17.588 PM Kindle[11073]: 1 libdispatch.dylib 0x96ad36c7 dispatch_once_f + 787/2/15 3:08:17.588 PM Kindle[11073]: 2 libdispatch.dylib 0x96ad3832 dispatch_once + 317/2/15 3:08:17.588 PM Kindle[11073]: 3 CarbonCore 0x977d0606 _Gestalt_SystemVersion + 10477/2/15 3:08:17.588 PM Kindle[11073]: 4 CarbonCore 0x977cf735 Gestalt + 1547/2/15 3:08:17.588 PM Kindle[11073]: 5 QtCore 0x011c8080 _ZN9QInternal12callFunctionENS_16InternalFunctionEPPv + 18567/2/15 3:08:17.588 PM
Topic: App & System Services SubTopic: Core OS Tags:
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313
Jul ’15
Bug reporting: Radar vs Forum?
This discussion has been up many times, but I'm sure there's room for one more.EDIT: For clarity, I'll add that I'm mainly talking about Swift bugs here.There was a thread in the old forums where approximately this question came up:Why should I file a radar rather than mention the bug in the forums and let Apple file a radar for it if they see it necessary?(provided I don't mind others seeing any code etc of course)Here's something that Chris Lattner said in that thread:FWIW, we do often file bugs for things mentioned in the forums but that do not have a radar associated with them. The reason that we often ask for a radar to be filed is so that we can make sure that *you* get notified when the issue is fixed. Our bugreporter isn't perfect, but it is the only tool we have that handles the book-keeping necessary to inform you when the fix goes out in a build, and we prefer to not leave you all hanging.That said, if you don't care that much, feel free to say so.-ChrisSo let's assume that I prefer mentioning bugs
Topic: Developer Tools & Services SubTopic: Developer Forums Tags:
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2.0k
Jul ’15
Terms of Service bug
We're seeing a bug where when users are trying to make a purchase from inside the app. The terms of service agreement pops up, they accept, complete the purchase but the app crashes and some of our data is corrupted. It seems that the payments flow is somehow partially broken in this case. Anyone else having an issue with this latest terms of service update?
Topic: App & System Services SubTopic: Apple Pay Tags:
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200
Jul ’15
Reply to Show crashes in xcode
Hi kaluznyo,Thanks for your post. Crashes for Apps distributed on TestFlight should appear in the Crashes Organizer. Any member of your team with an account with a Developer Account with admin/agent priviledges or iTunes Connect access for the team that owns the app should be able to view crashes in the Organizer. See the documentation here: https://developer.apple.com/library/prerelease/ios/recipes/xcode_help-crashes_organizer/ViewingCrashReports/ViewingCrashReports.html#//apple_ref/doc/uid/TP40015147-CH2-SW1If you’re willing to start a Radar on bugreport.apple.com, we can try to diagnose the issue. Please include in the report the following information about the app that you’re not seeing crashes for: bundle identifier, Apple ID for the app (you can find this on iTunes Connect when viewing your app’s version on the store under “General App Information), version number, and build number. After you've created the Radar please reply back on this thread with the Radar number
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Jul ’15
Reply to Can anyone help, reboot loop
Had the same issue just now while installing el capitan. Fixed it by booting in safe mode (hold down shift key while booting) then removing the sxuptp kernel extension from /Library/Extensions. It was the cause of my issue, crashes on boot in el capitan.
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’15
"segmentation fault: 11" when compiling Swift 1.2
HI all,I'm getting a very frustrating error while compiling Swift 1.2 code with XCode 6.4.This is the piece of code causing the problem:let datasource: SPBaseDataSource? = collectionView.dataSource as? SPBaseDataSourcewhere SPBaseDataSource is a protocol defined as follows:protocol SPBaseDataSource: UICollectionViewDataSource { // some methods }without that piece of code the projects builds fine, adding that line makes the compiler crash with the following stack:0 swift 0x0000000100e772b8 llvm::sys::PrintStackTrace(__sFILE*) + 40 1 swift 0x0000000100e77794 SignalHandler(int) + 452 2 libsystem_platform.dylib 0x00007fff9231cf1a _sigtramp + 26 3 libsystem_platform.dylib 0x00007fff5f49d1f0 _sigtramp + 3440902896 4 swift 0x00000001007fc570 (anonymous namespace)::ProtocolPath::findBetterPath(swift::ProtocolDecl*, swift::irgen::ProtocolInfo const&, unsigned int) + 272 5 swift 0x00000001007fb39a getProtocolWitnessTable(swift::irgen::IRGenFunction&, swift::CanType, swift::irgen::TypeInfo const&, (
Topic: Programming Languages SubTopic: Swift Tags:
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949
Jul ’15