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LLDB crash

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Reply to Crash log and symbolication when using Xcode Cloud
But what if I don't download the archive builds from Xcode Cloud and don't have them locally? Does that mean that I won't be able to symbolicate crash? I thought the crashes would be symbolicated in the cloud. It's not the case? When you submit your app to the App Store, there's an option for you to include symbol information as part of the app for that upload. When you do so, crash reports that appear in your Xcode Organizer for that app version will be symbolicated for you already. That's a feature of the App Store, and not specific to builds created and uploaded through Xcode Cloud. However, that doesn't mean you shouldn't download the archives from Xcode Cloud, that is still a best practice. One valuable part of that is access to the dSYMs, which are incredibly detailed debugging assets. While using the dSYMs for symbolication is one function they serve, they also enable significant debugging capabilities using LLDB that aren't possible without them. The symbol informat
Jun ’25
Reply to DNS duration 4294893875545978
[quote='777684021, huuu, /thread/777684, /profile/huuu'] The hexadecimal value of 4294893875545978 is 0xF3F3F3F3F3F3A. [/quote] Is it? That’s not what I calculate: (lldb) p/x 4294893875545978 (long) 0x000f422ee7ccc77a (lldb) p/x -4294893875545978 (long) 0xfff0bdd118333886 I’m not entirely sure what’s going on with your code but I do have one hint to pass along: Both domainLookupStartDate and domainLookupEndDate can be nil, so you should only run this calculation if both values are valid. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Mar ’25
Getting crash Crash on UVVideoRecorder
Crashed: com.apple.main-thread EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000fc8582b38 Raw Text0CoreGraphics CGColorGetAlpha + 12 8QuartzCore -[CALayer renderInContext:] + 1364 9 -[UVVideoRecorder renderViewSafe:context:] + 4341667992 Getting random crash in UVVideoRecorder, after closing camera session.
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Jan ’19
Reply to Not able to attach Xcode debugger to System Extension by name on macOS
I would like to be able to start debugger using process name and launch the extension and be able to debug from first line of code in extension. Due to the way that sysexes are loaded — they are very different from apexes! — I would not expect to be able to attach before the process is running. However, you wrote: If the extension is already running, then I am able to attach by PID but never by name. and I would expect name and PID to work equally well here, that is, they both work or they both don’t. That fact that’s not the case is weird. I have tried using target name as well as extension bundle identifier and several other combinations. Try this… Run lldb using sudo. % sudo lldb Type in this command: (lldb) process attach -n *** but don’t press Return. In this context *** is the name that you successfully attached with in the past. Press Tab. LLDB should print a list of candidates. Copy the full expansion of the sysex name. Go to Xcode and enter that into Debug Attach t
May ’21
SpringBoard Crashes on macOS Simulator When Receiving Critical Alerts
I’m experiencing a consistent crash of SpringBoard on macOS when running my iOS app in the Simulator. The crash occurs specifically when a critical alert (geofence notification) is triggered by my server and delivered to the app. Xcode version: 16.4 macOS version: 15.5 App uses UNUserNotificationCenter with critical alert notifications related to geofencing. When the critical alert is received, SpringBoard quits unexpectedly on macOS, crashing the Simulator UI to the home screen. The notification is delivered by Firebase, and I have updated to the latest version of that. The console shows: XPC connection interrupted [C:1] Error received: Connection interrupted. [C:1-2] Error received: Connection interrupted. This does not happen when testing on a real device — the app works fine there, however, Springbaord still crashes on macOS. Please advise if this is a known issue or if there’s a workaround. This severely impacts development and testing of location-bas
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Jul ’25
Reply to Instruments/Allocations inconsistent object counts when drilling down
Regarding Instruments:It may not be an error, but the options for the top level summary may (in effect) be different from those for your detail view. The top level might be including all objects ever created and/or destroyed, while the detail might only be show objects still in existence at a certain time.If you can't find an explanation, or if there might be an explanation but you think it's too confusing, then submit a bug report and attach your Instruments document.Regarding dSYMs:>> if lldb can do it, you can too!Actually, it's always lldb, not Xcode. Xcode uses lldb as its interface to debugging generally.As to missing debug information, it's a bit complicated. In a release build, all debugging information has been moved to a dSYM, and the executable contains nothing to help debugging, except module names and global symbols.In a debug build, the debug information (last I heard) can be spread around multiple locations, according to the technical needs of various binary for
May ’16
No crash logs despite crashing
Hi there, really appreciate any help with this. We have created various builds in testflight for our game made in Unreal Engine 4. In the first build, the game crashed on all devices with a crash log generated. I solved this issue and we now have the main menu loaded on all devices. In our current build, we have crashes on 3/4 device types when we enter a map that is not the main menu. However we have no crash logs generated by this and so are unable to find the cause of the crash. Any idea why this might be happening. Let me know if you need any further info.
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Nov ’22
Reply to 'XCUIElement' is not a member type of 'XCTest'
Same problem here with Xcode 8.0 (8A218a)expression produced error: /var/folders/pv/5jlpdzzn3p55w0ynccpt8x500000gn/T/lldb/37283/expr139.swift:1:53: error: 'XCUIElement' is not a member type of 'XCTest' $__lldb__DumpForDebugger(Swift.UnsafePointer<XCTest.XCUIElement>(bitPattern: 0x119244860).memory) ~~~~~~ ^ /var/folders/pv/5jlpdzzn3p55w0ynccpt8x500000gn/T/lldb/37283/expr139.swift:1:45: note: while parsing this '<' as a type parameter bracket $__lldb__DumpForDebugger(Swift.UnsafePointer<XCTest.XCUIElement>(bitPattern: 0x119244860).memory)The file expr139.swift content is :$__lldb__DumpForDebugger(Swift.UnsafePointer<XCTest.XCUIElement>(bitPattern: 0x119244860).memory)
Sep ’16
No crashes in organizer -> crashes. Analytics reports number of crashes
It's all in tht title really. My app, live in the app store crashes (thankfully not a lot). I know that because the apple analytics claims that it does. Going to organizer -> crashes in latest xcode, macos, shows no crashes on my macbook and old crashes (>10 days ago on my imac) for the latest prod version. Any ideas? I've opened a radar - 28734274
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Oct ’16
Reply to dlopen() reloads original instead of new dylib after changes
So here's a capture from dlopen/dlclose() of the same library renumbered at the end. The path doesn't change, and it's looks like the cache restores the original 000.dylib instead of the 001.dylib that dlopen() requested on the second call. I have dyld environment settings providing a little more insight here. (lldb) image list -b [621] other.dylib [622] other2.dylib dlopen(/foo/bar_signed_000.dylib) dyld: Mapping /foo/bar_signed_000.dylib dyld: loaded: /foo/bar_signed_000.dylib (lldb) image list -b [621] other.dylib [622] other2.dylib [623] bar_signed_000.dylib <- correct, it’s loaded and in the list dlclose() dyld: unloaded: /foo/bar_signed_000.dylib <- correct, unloaded dlopen(/foo/bar_signed_001.dylib) dyld: loaded: /foo/bar_signed_001.dylib <- dyld reused the UUID? (lldb) image list -b [627] bar_signed_000.dylib <- ugh, this is wrong path
Topic: App & System Services SubTopic: General Tags:
Jan ’21