com.apple.root.utility-qos, Only iOS15

Question

Created Nov ’21

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Hi, recently I just received a crash report from firebase Crashlytics. It only happens on iOS15. I do not really know what does the crash means. Can someone please explain it to me? Thank you very much!

EXC_BREAKPOINT 0x0000000181064114
Crashed: com.apple.root.utility-qos
0  CoreFoundation                 0xbc114 CFDataGetBytes + 156
1  ImageIO                        0x1d48 CGImageGetImageSource + 156
2  UIKitCore                      0x1d0954 -[_UIImageCGImageContent dealloc] + 48
3  libobjc.A.dylib                0x755c AutoreleasePoolPage::releaseUntil(objc_object**) + 200
4  libobjc.A.dylib                0x3928 objc_autoreleasePoolPop + 208
5  libdispatch.dylib              0x463c _dispatch_last_resort_autorelease_pool_pop + 44
6  libdispatch.dylib              0x16064 _dispatch_root_queue_drain + 1056
7  libdispatch.dylib              0x165f8 _dispatch_worker_thread2 + 164
8  libsystem_pthread.dylib        0x10b8 _pthread_wqthread + 228
9  libsystem_pthread.dylib        0xe94 start_wqthread + 8

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Answer 1

Frameworks Engineer OP

Apple

Nov ’21

Without the entire crash report is hard to tell what might be going on. All what you've shared so far indicates is that an auto release pool is popping on a secondary thread with some of its contents being an internal UIKit class (in this case related to UIImage).

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