Crash on iOS9 when I use xcode10

Question

Recently, I received many crash message in iOS9. My Xcode version is 10.1 (10B61), The error stack is like this：

libsystem_kernel.dylib __pthread_kill + 8

1 libsystem_pthread.dylib pthread_kill + 112

2 libsystem_c.dylib abort + 140

3 libsystem_c.dylib basename + 0

4 CoreGraphics _color_space_get_md5_digest

5 CoreFoundation CFRelease + 256

6 CoreGraphics _image_provider_finalize + 144

7 CoreFoundation CFRelease + 256

8 CoreGraphics _image_finalize + 88

9 CoreFoundation CFRelease + 256

10 UIKit -[UIImage dealloc] + 96

11 CoreFoundation -[__NSArrayM dealloc] + 152

12 UIKit -[_UIActivityIndicatorViewArtworkItem setImages:] + 80

13 CoreFoundation ___NSCacheValueRelease + 188

14 libcache.dylib __value_entry_remove + 116

15 libcache.dylib __entry_evict + 136

16 libcache.dylib __evict_last + 104

17 libcache.dylib __cache_enforce_limits + 96

18 libcache.dylib ____cache_handle_memory_pressure_event_block_invoke + 88

19 libdispatch.dylib __dispatch_call_block_and_release + 24

20 libdispatch.dylib __dispatch_client_callout + 16

21 libdispatch.dylib __dispatch_root_queue_drain + 2140

22 libdispatch.dylib __dispatch_worker_thread3 + 112

23 libsystem_pthread.dylib _pthread_wqthread + 1092

and

0 libsystem_kernel.dylib __pthread_kill + 8

1 libsystem_pthread.dylib pthread_kill + 112

2 libsystem_c.dylib abort + 140

3 libsystem_c.dylib basename + 0

4 CoreGraphics _CGCMSTransformRelease

5 CoreFoundation CFRelease + 256

6 CoreGraphics _color_finalize + 24

7 CoreFoundation CFRelease + 256

8 UIKit -[UIDeviceRGBColor dealloc] + 40

9 libobjc.A.dylib (anonymous namespace)::AutoreleasePoolPage::pop(void*) + 508

10 CoreFoundation _CFAutoreleasePoolPop + 28

11 CoreFoundation ___CFRunLoopRun + 1636

12 CoreFoundation CFRunLoopRunSpecific + 384

13 GraphicsServices GSEventRunModal + 180

14 UIKit UIApplicationMain + 204

15 pro main (main.m:19)

16 libdyld.dylib _start + 4

It’s only crash on iOS9，does anyone have a similar problem?

I got a device with iOS9 to debug，after I lunched the app，maybe a few minutes later，it will crash。Output message is： Assertion failed: (!space->is_singleton), function color_space_dealloc, file /BuildRoot/Library/Caches/com.apple.xbs/Sources/Quartz2D/Quartz2D-1033.4/CoreGraphics/ColorSpaces/color-space.c, line 102.

Your post doesn't describe what have you done. Please read stackoverflow.com/help/how-to-ask for more details on how to ask questions on SO — sureshprasanna70
– sureshprasanna70, Commented Mar 30, 2019 at 8:50
This type of question with vague error messages without refering to your codes is hard for anyone to debug. Good luck bro. — GeneCode
– GeneCode, Commented Mar 30, 2019 at 9:05
I got a device with iOS9 to debug，after I lunched the app，maybe a few minutes later，it will crash。Output message is： Assertion failed: (!space->is_singleton), function color_space_dealloc, file /BuildRoot/Library/Caches/com.apple.xbs/Sources/Quartz2D/Quartz2D-1033.4/CoreGraphics/ColorSpaces/color-space.c, line 102. — zZz
– zZz, Commented Mar 30, 2019 at 10:48
There was a bug with Xcode 10.0 building the image catalog for iOS 9, related to color spaces, but I thought that had been fixed in 10.1. Your first crash is something doing UIKit work on a background thread; that could in turn cause crashes on other threads when those threads are not the real culprit, so I would first try to see if you are doing anything related to a UIActivityIndicatorView on a background thread and fix that. But your assertion failure could still be the issue. Does this only happen on 9.0 and 9.1, with 9.2 being OK (a hallmark of the 10.0 image catalog issue)? — Carl Lindberg
– Carl Lindberg, Commented Mar 31, 2019 at 22:47

gnasher729 · Accepted Answer · 2019-03-30 08:59:51Z

0

It seems there is a bug somewhere in your code. Looks like it happens when cleaning up an autorelease pool, so tough for you. "Only happens in iOS 9" could be coincidence, or you used a function that is not available in iOS 9. Happy debugging. I'd look where your code uses an UIActivityIndicatorViewArtworkItem.

answered Mar 30, 2019 at 8:59

gnasher729

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