我们使用Cordova / angular / ionic构建了一个iOS应用程序。该应用程序是一个照片应用程序，它使用Web worker进行背景图像处理。
在进行一些图像处理之后，我们正在清除所有变量并且内存是稳定的。应用程序经常隐藏在后台，然后在使用外部链接触发时，它会随机崩溃。我在xCode中收到以下崩溃报告。内存在xCode中是稳定的，应用程序在＆＃34; resume＆＃34;之前崩溃。调用iOS回调，因此xCode不会输出任何异常。
我们认为这与Worker有关，因为应用程序仅在使用了工作程序后崩溃，但我们找不到内存泄漏或延迟指针。
当我们将worker.postMessage发送给一个现成的worker时，我们也会在xCode（随机）中得到类似的内容。
Communications error: <OS_xpc_error: <error: 0x397d0614> { count = 1, contents =
"XPCErrorDescription" => <string: 0x397d086c> { length = 22, contents = "Connection interrupted" }
}>
我们不知道上述错误是否与上述崩溃有关。
有没有人有类似的问题？
Incident Identifier: D15A92CA-1384-41A4-86D8-DCAD0F0CCEAD
CrashReporter Key: f8d3c65b5d8546e16be90ff79e7f7852d1d340d6
Hardware Model: iPod5,1
Process: app [3639]
Path: /private/var/mobile/Containers/Bundle/Application/2A3BB04D-C783-432C-81D8-9FD17E3E766C/myapp.app/myapp
Identifier: it.myapp
Version: 1.0.2 (1.0.2)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2015-08-11 13:16:33.319 +0200
Launch Time: 2015-08-11 13:12:22.777 +0200
OS Version: iOS 8.1 (12B411)
Report Version: 105
Exception Type: 00000020
Exception Codes: 0x000000008badf00d
Highlighted Thread: 0
Application Specific Information:
it.myapp failed to scene-update in time
Elapsed total CPU time (seconds): 17.490 (user 17.490, system 0.000), 85% CPU
Elapsed application CPU time (seconds): 15.755, 77% CPU
Thread 0 name: Dispatch queue: com.apple.root.user-interactive-qos
Thread 0:
0 vImage 0x28081984 conv4_8_A + 300
1 vImage 0x2807e6c4 vConvolveCore_Planar8 + 2052
2 vImage 0x2804ed8a __vImageConvolveWithBias_Planar8_block_invoke + 138
3 libdispatch.dylib 0x36fc8ee0 _dispatch_client_callout2 + 20
4 libdispatch.dylib 0x36fd3b76 _dispatch_apply_invoke$VARIANT$mp + 146
5 libdispatch.dylib 0x36fd3f56 dispatch_apply_f$VARIANT$mp + 538
6 vImage 0x2804ecc6 vImageConvolveWithBias_Planar8 + 714
7 vImage 0x2804e9f0 vImageConvolve_Planar8 + 76
8 libRIP.A.dylib 0x298d8d06 symmetric_convolve + 582
9 libRIP.A.dylib 0x298d893a RIPLayerSymmetricConvolve + 522
10 libRIP.A.dylib 0x298d86b0 RIPLayerGaussianBlur + 336
11 libRIP.A.dylib 0x298d81ae rips_s_BltShapeShadow + 438
12 libRIP.A.dylib 0x298dd49e rips_s_BltShape + 46
13 libRIP.A.dylib 0x298cc9e4 ripc_Render + 196
14 libRIP.A.dylib 0x298da6d0 ripc_DrawPath + 200
15 CoreGraphics 0x2959f260 CGContextDrawPath + 140
16 WebCore 0x346ad300 WebCore::GraphicsContext::fillPath(WebCore::Path const&) + 120
17 WebCore 0x3499706e WebCore::GraphicsContext::fillRectWithRoundedHole(WebCore::FloatRect const&, WebCore::FloatRoundedRect const&, WebCore::Color const&, WebCore::ColorSpace) + 230
18 WebCore 0x34dca392 WebCore::RenderBoxModelObject::paintBoxShadow(WebCore::PaintInfo const&, WebCore::LayoutRect const&, WebCore::RenderStyle const&, WebCore::ShadowStyle, bool, bool) + 2258
19 WebCore 0x3464db72 WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 534
20 WebCore 0x3464bdc2 WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 214
21 WebCore 0x3464d636 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 206
22 WebCore 0x3464bbe8 WebCore::RenderLayer::paintBackgroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow> const&, WebCore::GraphicsContext*, WebCore::GraphicsContext*, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) + 216
23 WebCore 0x3464aeba WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext*, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) + 1282
24 WebCore 0x346fce08 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, unsigned int) + 268
25 WebCore 0x34df0592 WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&) + 934
26 WebCore 0x34998624 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&) + 100
27 WebCore 0x34d83c94 WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow>&) + 328
28 WebCore 0x346fcc5c -[WebLayer drawInContext:] + 108
29 QuartzCore 0x2c2280be CABackingStoreUpdate_ + 2066
30 QuartzCore 0x2c309b48 ___ZN2CA5Layer8display_Ev_block_invoke + 48
31 QuartzCore 0x2c2278a2 x_blame_allocations + 86
32 QuartzCore 0x2c227550 CA::Layer::display_() + 1152
33 WebCore 0x34fe10c6 -[WebSimpleLayer display] + 50
34 QuartzCore 0x2c20bb18 CA::Layer::display_if_needed(CA::Transaction*) + 196
35 QuartzCore 0x2c20b7dc CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 20
36 QuartzCore 0x2c20b1c2 CA::Context::commit_transaction(CA::Transaction*) + 218
37 QuartzCore 0x2c20afcc CA::Transaction::commit() + 320
38 UIKit 0x2ca302ea _UIWindowUpdateVisibleContextOrder + 206
39 UIKit 0x2ca3017c +[UIWindow _prepareWindowsPassingTestForAppResume:] + 12
40 UIKit 0x2ca53792 -[UIApplication _handleApplicationActivationWithScene:transitionContext:completion:] + 1110
41 UIKit 0x2ca5310a __88-[UIApplication _handleApplicationLifecycleEventWithScene:transitionContext:completion:]_block_invoke + 114
42 UIKit 0x2ca5308e -[UIApplication _handleApplicationLifecycleEventWithScene:transitionContext:completion:] + 358
43 UIKit 0x2ca4834a -[UIApplication scene:didUpdateWithDiff:transitionContext:completion:] + 470
44 FrontBoardServices 0x2fa7e1e8 __80-[FBSSceneImpl updater:didUpdateSettings:withDiff:transitionContext:completion:]_block_invoke_2 + 36
45 FrontBoardServices 0x2fa8d0de __31-[FBSSerialQueue performAsync:]_block_invoke + 10
46 CoreFoundation 0x2930960a __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 10
47 CoreFoundation 0x293088cc __CFRunLoopDoBlocks + 212
48 CoreFoundation 0x29307426 __CFRunLoopRun + 1710
49 CoreFoundation 0x2925497c CFRunLoopRunSpecific + 472
50 CoreFoundation 0x2925478e CFRunLoopRunInMode + 102
51 GraphicsServices 0x3060604c GSEventRunModal + 132
52 UIKit 0x2c84697c UIApplicationMain + 1436
53 myapp 0x0009dc66 main (main.m:32)
54 libdyld.dylib 0x37001aac start + 0
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x370b32c8 kevent64 + 24
1 libdispatch.dylib 0x36fd5e44 _dispatch_mgr_invoke + 276
2 libdispatch.dylib 0x36fd5b76 _dispatch_mgr_thread$VARIANT$mp + 34
Thread 2 name: com.apple.NSURLConnectionLoader
Thread 2:
0 libsystem_kernel.dylib 0x370b3518 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x370b330c mach_msg + 36
2 CoreFoundation 0x29308ba6 __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x2930716c __CFRunLoopRun + 1012
4 CoreFoundation 0x2925497c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x2925478e CFRunLoopRunInMode + 102
6 CFNetwork 0x28e099da +[NSURLConnection(Loader) _resourceLoadLoop:] + 482
7 Foundation 0x2a054996 __NSThread__main__ + 1114
8 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
9 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
10 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 3 name: WebThread
Thread 3:
0 libsystem_kernel.dylib 0x370c6ba8 __psynch_mutexwait + 24
1 libsystem_pthread.dylib 0x37144036 _pthread_mutex_lock + 390
2 WebCore 0x3462752c _WebTryThreadLock(bool) + 104
3 WebCore 0x346274aa WebRunLoopLock(__CFRunLoopObserver*, unsigned long, void*) + 42
4 CoreFoundation 0x29309622 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
5 CoreFoundation 0x29306d04 __CFRunLoopDoObservers + 272
6 CoreFoundation 0x2930704e __CFRunLoopRun + 726
7 CoreFoundation 0x2925497c CFRunLoopRunSpecific + 472
8 CoreFoundation 0x2925478e CFRunLoopRunInMode + 102
9 WebCore 0x3462624c RunWebThread(void*) + 412
10 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
11 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
12 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 4 name: JavaScriptCore::BlockFree
Thread 4:
0 libsystem_kernel.dylib 0x370c6b38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x371453dc _pthread_cond_wait + 516
2 libsystem_pthread.dylib 0x371462ac pthread_cond_wait + 36
3 libc++.1.dylib 0x3622efa4 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 32
4 JavaScriptCore 0x2a515f96 JSC::BlockAllocator::blockFreeingThreadMain() + 210
5 JavaScriptCore 0x2a51244c WTF::wtfThreadEntryPoint(void*) + 12
6 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
7 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
8 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 5 name: JavaScriptCore::Marking
Thread 5:
0 libsystem_kernel.dylib 0x370c6b38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x371453dc _pthread_cond_wait + 516
2 libsystem_pthread.dylib 0x371462ac pthread_cond_wait + 36
3 libc++.1.dylib 0x3622efa4 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 32
4 JavaScriptCore 0x2a6dab60 JSC::GCThread::waitForNextPhase() + 100
5 JavaScriptCore 0x2a6dabc4 JSC::GCThread::gcThreadMain() + 48
6 JavaScriptCore 0x2a51244c WTF::wtfThreadEntryPoint(void*) + 12
7 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
8 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
9 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 6 name: WebCore: CFNetwork Loader
Thread 6:
0 libsystem_kernel.dylib 0x370b3518 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x370b330c mach_msg + 36
2 CoreFoundation 0x29308ba6 __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x2930716c __CFRunLoopRun + 1012
4 CoreFoundation 0x2925497c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x2925478e CFRunLoopRunInMode + 102
6 WebCore 0x3464f558 WebCore::runLoaderThread(void*) + 288
7 JavaScriptCore 0x2a51244c WTF::wtfThreadEntryPoint(void*) + 12
8 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
9 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
10 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 7 name: com.apple.coremedia.player.async
Thread 7:
0 libsystem_kernel.dylib 0x370b3568 semaphore_wait_trap + 8
1 libdispatch.dylib 0x36fd34e6 _dispatch_semaphore_wait_slow + 186
2 MediaToolbox 0x2ad0a43e fpa_AsyncMovieControlThread + 1962
3 CoreMedia 0x29aaee74 figThreadMain + 184
4 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
5 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
6 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 8 name: AVAudioSession Notify Thread
Thread 8:
0 libsystem_kernel.dylib 0x370b3518 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x370b330c mach_msg + 36
2 CoreFoundation 0x29308ba6 __CFRunLoopServiceMachPort + 142
3 CoreFoundation 0x2930716c __CFRunLoopRun + 1012
4 CoreFoundation 0x2925497c CFRunLoopRunSpecific + 472
5 CoreFoundation 0x2925478e CFRunLoopRunInMode + 102
6 libAVFAudio.dylib 0x27f783e8 GenericRunLoopThread::Entry(void*) + 128
7 libAVFAudio.dylib 0x27f6a8e4 CAPThread::Entry(CAPThread*) + 192
8 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
9 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
10 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 9 name: WebCore: LocalStorage
Thread 9:
0 libsystem_kernel.dylib 0x370c6b38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x371453dc _pthread_cond_wait + 516
2 libsystem_pthread.dylib 0x371462ac pthread_cond_wait + 36
3 JavaScriptCore 0x2a5160da WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 58
4 WebCore 0x34ec1756 std::__1::unique_ptr<WTF::Function<void ()>, std::__1::default_delete<WTF::Function<void ()> > > WTF::MessageQueue<WTF::Function<void ()> >::waitForMessageFilteredWithTimeout<WTF::MessageQueue<WTF::Function<void ()> >::waitForMessage()::'lambda'(WTF::Function<void ()> const&)>(WTF::MessageQueueWaitResult&, WTF::MessageQueue<WTF::Function<void ()> >::waitForMessage()::'lambda'(WTF::Function<void ()> const&)&&, double) + 70
5 WebCore 0x346e4cd2 WebCore::StorageThread::threadEntryPoint() + 150
6 JavaScriptCore 0x2a51244c WTF::wtfThreadEntryPoint(void*) + 12
7 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
8 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
9 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 10 name: com.apple.CFSocket.private
Thread 10:
0 libsystem_kernel.dylib 0x370c708c __select + 20
1 CoreFoundation 0x2930d32e __CFSocketManager + 486
2 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
3 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
4 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 11 name: WebCore: File
Thread 11:
0 libsystem_kernel.dylib 0x370c6b38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x371453dc _pthread_cond_wait + 516
2 libsystem_pthread.dylib 0x371462ac pthread_cond_wait + 36
3 JavaScriptCore 0x2a5160da WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 58
4 WebCore 0x34934394 std::__1::unique_ptr<WebCore::FileThread::Task, std::__1::default_delete<WebCore::FileThread::Task> > WTF::MessageQueue<WebCore::FileThread::Task>::waitForMessageFilteredWithTimeout<WTF::MessageQueue<WebCore::FileThread::Task>::waitForMessage()::'lambda'(WebCore::FileThread::Task const&)>(WTF::MessageQueueWaitResult&, WTF::MessageQueue<WebCore::FileThread::Task>::waitForMessage()::'lambda'(WebCore::FileThread::Task const&)&&, double) + 68
5 WebCore 0x349341b2 WebCore::FileThread::runLoop() + 154
6 JavaScriptCore 0x2a51244c WTF::wtfThreadEntryPoint(void*) + 12
7 libsystem_pthread.dylib 0x37145e64 _pthread_body + 136
8 libsystem_pthread.dylib 0x37145dd6 _pthread_start + 114
9 libsystem_pthread.dylib 0x37143b80 thread_start + 4
Thread 12:
0 libsystem_kernel.dylib 0x370c79cc __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x37143e9c _pthread_wqthread + 788
2 libsystem_pthread.dylib 0x37143b74 start_wqthread + 4
Thread 13 name: Dispatch queue: com.apple.root.user-interactive-qos
Thread 13:
0 vImage 0x28081960 conv4_8_A + 264
1 vImage 0x2807e6c4 vConvolveCore_Planar8 + 2052
2 vImage 0x2804ed8a __vImageConvolveWithBias_Planar8_block_invoke + 138
3 libdispatch.dylib 0x36fd3b76 _dispatch_apply_invoke$VARIANT$mp + 146
4 libdispatch.dylib 0x36fd22d6 _dispatch_root_queue_drain + 846
5 libdispatch.dylib 0x36fd31f6 _dispatch_worker_thread3 + 102
6 libsystem_pthread.dylib 0x37143e22 _pthread_wqthread + 666
7 libsystem_pthread.dylib 0x37143b74 start_wqthread + 4
No thread state (register information) available
Binary Images:
0x97000 - 0x10afff myapp armv7 <5c3f62bd3a073ae28638f130eb45dee1> /var/mobile/Containers/Bundle/Application/2A3BB04D-C783-432C-81D8-9FD17E3E766C/myapp.app/myapp