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Many crashes inside vuforia (iOS)

June 4, 2018 - 5:30am #1

HI. In native implementation, I notice a lot of crahes inside vuforia, the following logs come to me from fabric:

1) in Vuforia::init()

 
Crashed: Thread
0  VuforiaSDK                     0x101a72194 Vuforia::init() + 3029680
1  VuforiaSDK                     0x101a7f258 Vuforia::init() + 3083124
2  VuforiaSDK                     0x101a70a84 Vuforia::init() + 3023776
3  VuforiaSDK                     0x101a70610 Vuforia::init() + 3022636
4  VuforiaSDK                     0x101a70544 Vuforia::init() + 3022432
5  VuforiaSDK                     0x101a611d4 Vuforia::init() + 2960112
6  VuforiaSDK                     0x10194989c Vuforia::init() + 1814968
7  VuforiaSDK                     0x1017a2db0 Vuforia::init() + 83660
8  libsystem_pthread.dylib        0x181069220 _pthread_body + 272
9  libsystem_pthread.dylib        0x181069110 _pthread_body + 290
10 libsystem_pthread.dylib        0x181067b10 thread_start + 4

2) in [SampleAppRenderer renderFrameVuforia] after Vuforia::init()

Crashed: com.apple.main-thread
0  VuforiaSDK                     0x10121cfc0 -[SampleAppRenderer renderFrameVuforia] + 228
1  VuforiaSDK                     0x1012bd034 Vuforia::init() + 354640
2  QuartzCore                     0x18646a3c0 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 832
3  IOKit                          0x1826738a0 IODispatchCalloutFromCFMessage + 492
4  CoreFoundation                 0x182398b20 __CFMachPortPerform + 188
5  CoreFoundation                 0x1823b3ae8 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 56
6  CoreFoundation                 0x1823b3230 __CFRunLoopDoSource1 + 440
7  CoreFoundation                 0x1823b0c80 __CFRunLoopRun + 2456
8  CoreFoundation                 0x1822d0da8 CFRunLoopRunSpecific + 552
9  GraphicsServices               0x1842b3020 GSEventRunModal + 100
10 UIKit                          0x18c2b178c UIApplicationMain + 236
11 ARGIN                          0x1006ef218 main (AppDelegate.swift:21)
12 libdyld.dylib                  0x181d61fc0 start + 4

I also noticed that such errors occur only once for each users, at the first start and no longer repeats. Please help to understand what the problem is. Thank you.

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