What's wrong with __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__

Question

Created Mar ’22

Replies 1

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Participants 2


Crashed: com.apple.main-thread
0  libsystem_kernel.dylib         0x69e8 __pthread_kill + 8
1  libsystem_pthread.dylib        0x10824 pthread_kill + 208
2  libsystem_c.dylib              0x1f0b4 abort + 120
3  QuartzCore                     0xcc96c CA::Render::Encoder::grow(unsigned long) + 236
4  QuartzCore                     0xafa90 CA::Render::Layer::encode(CA::Render::Encoder*) const + 104
5  QuartzCore                     0xbafd8 CA::Render::encode_set_object(CA::Render::Encoder*, unsigned long, unsigned int, CA::Render::Object*, unsigned int) + 192
6  QuartzCore                     0x469c0 invocation function for block in CA::Context::commit_transaction(CA::Transaction*, double, double*) + 288
7  QuartzCore                     0x343dc CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 384
8  QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
9  QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
10 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
11 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
12 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
13 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
14 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
15 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
16 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
17 QuartzCore                     0x34364 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 264
18 QuartzCore                     0x45054 CA::Context::commit_transaction(CA::Transaction*, double, double*) + 6180
19 QuartzCore                     0x4bf30 CA::Transaction::commit() + 660
20 QuartzCore                     0x2fa14 CA::Transaction::flush_as_runloop_observer(bool) + 84
21 CoreFoundation                 0x3dfc4 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
22 CoreFoundation                 0xf608 __CFRunLoopDoObservers + 588
23 CoreFoundation                 0xab9c __CFRunLoopRun + 1012
24 CoreFoundation                 0x1de1c CFRunLoopRunSpecific + 572
25 GraphicsServices               0x19a0 GSEventRunModal + 160
26 UIKitCore                      0x4ebb90 -[UIApplication _run] + 1080
27 UIKitCore                      0x28116c UIApplicationMain + 332
28 Luxy                           0xb5c48 main + 15 (main.m:15)

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Answer 1

Frameworks Engineer OP

Apple

Mar ’22

Please take a look at your Console output or your crash report to see if there is any assertion logged from your app’s process.

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