system dead lock

system dead lock sometimes ,is there anyone who can help me , i v got none idea.

Incident Identifier: DD02C50E-9062-4019-B5B6-098C25E2CF45
CrashReporter Key:   3d6dae79d882333702c0582e86fb6adafae3dd8c
Hardware Model:      iPhone7,2
Process:             xxxx [3454]
Path:                /private/var/containers/Bundle/Application/BB2155C4-7AE2-4C09-8A2A-982B6825D576/xxxx.app/xxxx
Identifier:          xxxxx
Version:             206 (1.0.0)
Code Type:           ARM-64 (Native)
Role:                Non UI
Parent Process:      launchd [1]
Coalition:           xxxxxx [4505]


Date/Time:           2021-07-22 17:44:57.9918 +0800
Launch Time:         2021-07-22 17:36:19.4760 +0800
OS Version:          iPhone OS 12.4.8 (16G201)
Baseband Version:    7.80.04
Report Version:      104

Exception Type:  EXC_CRASH (SIGKILL)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note:  EXC_CORPSE_NOTIFY
Termination Reason: Namespace SPRINGBOARD, Code 0x8badf00d
Termination Description: SPRINGBOARD, scene-update watchdog transgression: xxxxx exhausted real (wall clock) time allowance of 10.00 seconds | ProcessVisibility: Foreground | ProcessState: Running | WatchdogEvent: scene-update | WatchdogVisibility: Foreground | WatchdogCPUStatistics: ( | "Elapsed total CPU time (seconds): 6.300 (user 6.300, system 0.000), 31% CPU", | "Elapsed application CPU time (seconds): 0.000, 0% CPU" | )
Triggered by Thread:  0

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   libsystem_platform.dylib      	0x00000002187ec3f0 os_unfair_lock_lock_with_options$VARIANT$mp + 20
1   libsystem_malloc.dylib        	0x00000002187ba454 small_malloc_should_clear + 152
2   libsystem_malloc.dylib        	0x00000002187b7c2c szone_malloc_should_clear + 132
3   libsystem_malloc.dylib        	0x00000002187c0ca0 malloc_zone_calloc + 140
4   libsystem_malloc.dylib        	0x00000002187c1520 calloc + 32
5   libobjc.A.dylib               	0x0000000217db562c cache_t::reallocate+ 13868 (unsigned int, unsigned int) + 52
6   libobjc.A.dylib               	0x0000000217db5b2c cache_fill + 212
7   libobjc.A.dylib               	0x0000000217dc2940 lookUpImpOrForward + 1168
8   libobjc.A.dylib               	0x0000000217dcf858 _objc_msgSend_uncached + 56
9   UIFoundation                  	0x000000022322ff00 +[_UIFontCacheKey fontCacheKeyWithFontName:traits:pointSize:] + 64
10  UIFoundation                  	0x00000002232b7188 UINewFontIgnoringLinkCheck + 128
11  UIFoundation                  	0x00000002232259a0 +[UIFont systemFontOfSize:traits:] + 28
12  xxxxx                         	0x00000001017d848c +[xxxxLoadingWithErrorTipsViewConfig gradientLightConfig] + 19039372 (KSLoadingWithErrorTipsView.m:74)

system dead lock
 
 
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