# Crash on closing Anki 2.1.57 **URL:** \ **Category:** Help\ **Created:** [February 1, 2023, 3:46pm UTC](https://forums.ankiweb.net/t/crash-on-closing-anki-2-1-57/27039 "2023-02-01T15:46:37Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![wojtek](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/wojtek/32/4494_2.png) [@wojtek](https://forums.ankiweb.net/u/wojtek)\ **Post date:** [February 1, 2023, 3:46pm UTC](https://forums.ankiweb.net/t/crash-on-closing-anki-2-1-57/27039/1 "2023-02-01T15:46:37Z")
In Anki 2.1.57 (and also previous 2.1.56) on macOS I get random crash sometimes when I close Anki (and it finished synchronisation) ```auto Version 2.1.57 (6b7d372c) Python 3.9.15 Qt 6.3.2 PyQt 6.3.1 ``` Installed via brew ```auto ------------------------------------- Translated Report (Full Report Below) ------------------------------------- Process: anki [56571] Path: /Applications/Anki.app/Contents/MacOS/anki Identifier: net.ankiweb.dtop Version: 2.1.57 (???) Code Type: ARM-64 (Native) Parent Process: launchd [1] User ID: 501 Date/Time: 2023-02-01 12:41:24.4080 -0300 OS Version: macOS 13.1 (22C65) Report Version: 12 Anonymous UUID: D1EBABD8-86DE-08BA-D52C-E396C7AC41FF Sleep/Wake UUID: E590D3D5-C8A9-47F8-ACBE-13B5D2A323AB Time Awake Since Boot: 1400000 seconds Time Since Wake: 13473 seconds System Integrity Protection: enabled Crashed Thread: 0 CrBrowserMain Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x000004d286cd8a18 Exception Codes: 0x0000000000000001, 0x000004d286cd8a18 Termination Reason: Namespace SIGNAL, Code 11 Segmentation fault: 11 Terminating Process: exc handler [56571] VM Region Info: 0x4d286cd8a18 is not in any region. Bytes after previous region: 4821214923289 Bytes before following region: 100250865006056 REGION TYPE START - END [VSIZE] PRT/MAX SHRMOD REGION DETAIL commpage (reserved) 1000000000-7000000000 [384.0G] ---/--- SM=NUL ...(unallocated) ---> GAP OF 0x5f9000000000 BYTES MALLOC_NANO 600000000000-600008000000 [128.0M] rw-/rwx SM=PRV Thread 0 Crashed:: CrBrowserMain Dispatch queue: com.apple.main-thread 0 QtWebEngineCore 0x131b62c8c 0x131b28000 + 240780 1 QtWebEngineCore 0x131b62c88 0x131b28000 + 240776 2 QtWebEngineCore 0x13410a8b0 0x131b28000 + 39725232 3 QtWebEngineCore 0x135646428 0x131b28000 + 61989928 4 QtWebEngineCore 0x1356442a0 0x131b28000 + 61981344 5 QtWebEngineCore 0x13410652c 0x131b28000 + 39707948 6 QtWebEngineCore 0x134107078 0x131b28000 + 39710840 7 QtWebEngineCore 0x1345382fc 0x131b28000 + 44106492 8 QtWebEngineCore 0x13411159c 0x131b28000 + 39753116 9 QtWebEngineCore 0x1350e4ea8 0x131b28000 + 56348328 10 QtWebEngineCore 0x1350e95f4 0x131b28000 + 56366580 11 QtWebEngineCore 0x1350b27f8 0x131b28000 + 56141816 12 QtWebEngineCore 0x1350c884c 0x131b28000 + 56232012 13 QtWebEngineCore 0x1350c85b8 0x131b28000 + 56231352 14 QtWebEngineCore 0x131b66160 0x131b28000 + 254304 15 QtCore 0x10cbe7350 QObject::event(QEvent*) + 88 16 QtWidgets 0x10feb1c90 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 272 17 QtWidgets 0x10feb2cf8 QApplication::notify(QObject*, QEvent*) + 512 18 QtWidgets.abi3.so 0x1105a8e04 sipQApplication::notify(QObject*, QEvent*) + 248 19 QtCore 0x10cba5d40 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 208 20 QtCore 0x10cba6f84 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 808 21 libqcocoa.dylib 0x112befcb4 0x112bd8000 + 97460 22 libqcocoa.dylib 0x112bf0344 0x112bd8000 + 99140 23 CoreFoundation 0x1ab044a18 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28 24 CoreFoundation 0x1ab0449ac __CFRunLoopDoSource0 + 176 25 CoreFoundation 0x1ab04471c __CFRunLoopDoSources0 + 244 26 CoreFoundation 0x1ab043320 __CFRunLoopRun + 836 27 CoreFoundation 0x1ab042888 CFRunLoopRunSpecific + 612 28 HIToolbox 0x1b4717fa0 RunCurrentEventLoopInMode + 292 29 HIToolbox 0x1b4717de4 ReceiveNextEventCommon + 672 30 HIToolbox 0x1b4717b2c _BlockUntilNextEventMatchingListInModeWithFilter + 72 31 AppKit 0x1ae2c4424 _DPSNextEvent + 632 32 AppKit 0x1ae2c35b4 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 728 33 AppKit 0x1ae2b79e4 -[NSApplication run] + 464 34 libqcocoa.dylib 0x112bef22c 0x112bd8000 + 94764 35 QtCore 0x10cbaf39c QEventLoop::exec(QFlags) + 544 36 QtCore 0x10cba63f4 QCoreApplication::exec() + 128 37 QtWidgets.abi3.so 0x1106ae2b4 meth_QApplication_exec(_object*, _object*) + 96 38 anki 0x1051b2358 cfunction_call + 104 39 anki 0x10516b8b4 _PyObject_MakeTpCall + 136 40 anki 0x10526c140 _PyEval_EvalFrameDefault + 23972 41 anki 0x10516cb3c _PyFunction_Vectorcall + 720 42 anki 0x10526a3cc _PyEval_EvalFrameDefault + 16432 43 anki 0x10516c95c _PyFunction_Vectorcall + 240 44 anki 0x10526b2bc _PyEval_EvalFrameDefault + 20256 45 anki 0x10526f780 _PyEval_EvalCode + 532 46 anki 0x105266298 PyEval_EvalCode + 80 47 anki 0x1052ba2b0 run_mod + 152 48 anki 0x1052b980c PyRun_StringFlags + 152 49 anki 0x1052b9730 PyRun_SimpleStringFlags + 64 50 anki 0x1050cd8f0 Py_RunMain + 340 51 anki 0x104dbf36c pyembed::interpreter::MainPythonInterpreter::run::he6c9f2fdfdfb7472 + 204 52 anki 0x104db4994 anki::main::he25722cbdef5a3ef + 1080 53 anki 0x104db4048 std::sys_common::backtrace::__rust_begin_short_backtrace::h3cbd8eb641b597d7 + 12 54 anki 0x104db4010 std::rt::lang_start::_$u7b$$u7b$closure$u7d$$u7d$::hdf52516cb09292c2 + 16 55 anki 0x105768428 std::rt::lang_start_internal::h54d26558116c1823 + 616 56 anki 0x104db4ba8 main + 52 57 dyld 0x1aac3be50 start + 2544 Thread 1: 0 libsystem_kernel.dylib 0x1aaf25cec semaphore_wait_trap + 8 1 libdispatch.dylib 0x1aaddeaa0 _dispatch_sema4_wait + 28 2 libdispatch.dylib 0x1aaddf154 _dispatch_semaphore_wait_slow + 132 3 _rsbridge.so 0x10b52c7b8 std::thread::park::hf84018630f68bc5c + 56 4 _rsbridge.so 0x10ac3d69c crossbeam_channel::context::Context::wait_until::h2b1e46bfe4232b4e + 1088 5 _rsbridge.so 0x10ac3d784 crossbeam_channel::context::Context::with::_$u7b$$u7b$closure$u7d$$u7d$::h29eaf6584272ffe9 + 152 6 _rsbridge.so 0x10ac3e110 crossbeam_channel::flavors::array::Channel$LT$T$GT$::recv::h51dcb5cbb752e647 + 1040 7 _rsbridge.so 0x10af4c78c crossbeam_channel::channel::Receiver$LT$T$GT$::recv::h87c9c0074df60e51 + 68 8 _rsbridge.so 0x10aede048 std::sys_common::backtrace::__rust_begin_short_backtrace::hfdc8fffea7dbe988 + 88 9 _rsbridge.so 0x10ae8032c core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::hdfb4b2fd57fcccb1 + 176 10 _rsbridge.so 0x10b539e64 std::sys::unix::thread::Thread::new::thread_start::h0a3d725412114228 + 48 11 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 12 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 2:: com.apple.CFSocket.private 0 libsystem_kernel.dylib 0x1aaf30a00 __select + 8 1 CoreFoundation 0x1ab06e344 __CFSocketManager + 636 2 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 3 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 3:: ThreadPoolServiceThread 0 libsystem_kernel.dylib 0x1aaf31794 kevent64 + 8 1 QtWebEngineCore 0x1351417c8 0x131b28000 + 56727496 2 QtWebEngineCore 0x1351416f8 0x131b28000 + 56727288 3 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 4 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 5 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 6 QtWebEngineCore 0x1350d21a8 0x131b28000 + 56271272 7 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 8 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 9 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 10 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 4:: Chrome_IOThread 0 libsystem_kernel.dylib 0x1aaf31794 kevent64 + 8 1 QtWebEngineCore 0x1351417c8 0x131b28000 + 56727496 2 QtWebEngineCore 0x1351416f8 0x131b28000 + 56727288 3 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 4 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 5 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 6 QtWebEngineCore 0x1341ddc04 0x131b28000 + 40590340 7 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 8 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 9 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 10 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 5:: NetworkConfigWatcher 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1351153b0 0x131b28000 + 56546224 6 QtWebEngineCore 0x13505f5a0 0x131b28000 + 55801248 7 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 8 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 9 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 10 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 11 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 12 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 13 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 6:: ThreadPoolForegroundWorker 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1350dd66c 0x131b28000 + 56317548 6 QtWebEngineCore 0x1350de0f4 0x131b28000 + 56320244 7 QtWebEngineCore 0x1350ddd20 0x131b28000 + 56319264 8 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 9 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 10 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 7:: CompositorTileWorker1 0 libsystem_kernel.dylib 0x1aaf29564 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x1aaf65638 _pthread_cond_wait + 1232 2 QtWebEngineCore 0x13510e048 0x131b28000 + 56516680 3 QtWebEngineCore 0x136cc2fe4 0x131b28000 + 85569508 4 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 5 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 6 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 8:: Chrome_InProcGpuThread 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x13505f53c 0x131b28000 + 55801148 6 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 7 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 8 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 9 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 10 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 11 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 12 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 9:: Chrome_ChildIOThread 0 libsystem_kernel.dylib 0x1aaf31794 kevent64 + 8 1 QtWebEngineCore 0x1351417c8 0x131b28000 + 56727496 2 QtWebEngineCore 0x1351416f8 0x131b28000 + 56727288 3 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 4 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 5 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 6 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 7 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 8 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 9 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 10:: NetworkConfigWatcher 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1351153b0 0x131b28000 + 56546224 6 QtWebEngineCore 0x13505f5a0 0x131b28000 + 55801248 7 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 8 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 9 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 10 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 11 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 12 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 13 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 11:: VizCompositorThread 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1351153b0 0x131b28000 + 56546224 6 QtWebEngineCore 0x13505f5a0 0x131b28000 + 55801248 7 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 8 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 9 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 10 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 11 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 12 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 13 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 12:: NetworkService 0 libsystem_kernel.dylib 0x1aaf31794 kevent64 + 8 1 QtWebEngineCore 0x1351417c8 0x131b28000 + 56727496 2 QtWebEngineCore 0x1351416f8 0x131b28000 + 56727288 3 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 4 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 5 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 6 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 7 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 8 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 9 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 13:: NetworkConfigWatcher 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1351153b0 0x131b28000 + 56546224 6 QtWebEngineCore 0x13505f5a0 0x131b28000 + 55801248 7 QtWebEngineCore 0x1350c8f6c 0x131b28000 + 56233836 8 QtWebEngineCore 0x13508c4bc 0x131b28000 + 55985340 9 QtWebEngineCore 0x1350e8d88 0x131b28000 + 56364424 10 QtWebEngineCore 0x1350e8f10 0x131b28000 + 56364816 11 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 12 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 13 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 Thread 14:: ThreadPoolSingleThreadForegroundBlocking0 0 libsystem_kernel.dylib 0x1aaf25d70 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1aaf378a4 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1aaf2e5c4 mach_msg_overwrite + 540 3 libsystem_kernel.dylib 0x1aaf260ec mach_msg + 24 4 QtWebEngineCore 0x1351155e4 0x131b28000 + 56546788 5 QtWebEngineCore 0x1350dd66c 0x131b28000 + 56317548 6 QtWebEngineCore 0x1350de0f4 0x131b28000 + 56320244 7 QtWebEngineCore 0x1350ddd78 0x131b28000 + 56319352 8 QtWebEngineCore 0x13510ebe4 0x131b28000 + 56519652 9 libsystem_pthread.dylib 0x1aaf6506c _pthread_start + 148 10 libsystem_pthread.dylib 0x1aaf5fe2c thread_start + 8 […] ``` Forum has length limit so the complete crash is on gist: [Anki-crash.txt · GitHub](https://gist.github.com/woj-tek/773011bcdd1c6ea966a97c5f99372300) ---
**Author:** ![dae](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/dae/32/65_2.png) [@dae](https://forums.ankiweb.net/u/dae)\ **Post date:** [February 2, 2023, 11:06am UTC](https://forums.ankiweb.net/t/crash-on-closing-anki-2-1-57/27039/2 "2023-02-02T11:06:10Z")
Tracked on [Sporadic crashes when shutting down application · Issue #2299 · ankitects/anki · GitHub](https://github.com/ankitects/anki/issues/2299) ---
**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\ **Post date:** [March 4, 2023, 11:06am UTC](https://forums.ankiweb.net/t/crash-on-closing-anki-2-1-57/27039/3 "2023-03-04T11:06:27Z")
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