# MacOS 27.2 Beta Crash on launch 5.6.9 **URL:** \ **Category:** Bug Reports\ **Tags:** macOS\ **Created:** [September 26, 2026, 11:07am UTC](https://community.algoriddim.com/t/macos-27-2-beta-crash-on-launch-5-6-9/43348 "2026-09-26T11:07:58Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![David\_Ellsworth1](https://community.algoriddim.com/user_avatar/community.algoriddim.com/david_ellsworth1/32/6884_2.png) [@David\_Ellsworth1](https://community.algoriddim.com/u/David_Ellsworth1)\ **Post date:** [September 26, 2026, 11:07am UTC](https://community.algoriddim.com/t/macos-27-2-beta-crash-on-launch-5-6-9/43348/1 "2026-09-26T11:07:58Z")
**NOTE: Please use the search function above before posting to avoid creating duplicate topics.** - Device model _(e.g. 2020 iPad Air 4th Gen)_: - Version of operating system _(e.g. macOS 14.4.1)_: - Version of djay _(e.g. 5.1.2)_: - Hardware/controllers used _(e.g. Reloop Mixon 8 Pro)_: - Hardware firmware version _(e.g. 1.0.1)_: - **Please consider sharing a short video or screenshots to help clarify your issue** A) SUMMARY OF ISSUE: - B) DETAILED STEPS TO REPRODUCE: 1. C) EXPECTED RESULTS: - D) ACTUAL RESULTS: - ## Translated Report (Full Report Below) Process: djay Pro [59940] Path: /Applications/djay Pro.app/Contents/MacOS/djay Pro Identifier: com.algoriddim.djay-iphone-free Version: 5.6.9 (67040) Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd [1] Coalition: com.algoriddim.djay-iphone-free [2463] User ID: 501 Date/Time: 2026-09-26 06:04:37.3734 -0500 Launch Time: 2026-09-26 06:04:21.6811 -0500 Hardware Model: Macmini9,1 OS Version: macOS 27.2 (26B5086k) Release Type: User Crash Reporter Key: 8E51F07A-6538-F6C7-D110-5D7124E4CD21 Incident Identifier: 34A95A8A-9191-4C56-9B12-0FB3435DA8C1 Time Awake Since Boot: 8200 seconds System Integrity Protection: enabled Triggered by Thread: 35 Exception Type: EXC\_BAD\_ACCESS (SIGSEGV) Exception Subtype: KERN\_INVALID\_ADDRESS at 0x0000000c00000004 Exception Codes: 0x0000000000000001, 0x0000000c00000004 Termination Reason: Namespace SIGNAL, Code 11, Segmentation fault: 11 Terminating Process: exc handler [59940] VM Region Info: 0xc00000004 is in 0xc00000000-0xc02000000; bytes after start: 4 bytes before end: 33554427 REGION TYPE START - END [VSIZE] PRT/MAX SHRMOD REGION DETAIL commpage (reserved) 355a54000-c00000000 [34.7G] —/— SM=COW reserved VM address space (unallocated) —\> GPU Carveout (reserved) c00000000-c02000000 [32.0M] —/— SM=COW reserved VM address space (unallocated) GPU Carveout (reserved) c02000000-fc0000000 [15.0G] —/— SM=COW reserved VM address space (unallocated) Thread 0:: Dispatch queue: com.apple.main-thread 0 libsystem\_kernel.dylib 0x193337c20 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0x19334a8e0 mach\_msg2\_internal + 76 2 libsystem\_kernel.dylib 0x193340a28 mach\_msg\_overwrite + 480 3 libsystem\_kernel.dylib 0x193337fac mach\_msg + 24 4 CoreFoundation 0x19343dac8 \_\_CFRunLoopServiceMachPort + 160 5 CoreFoundation 0x19343c310 \_\_CFRunLoopRun + 1172 6 CoreFoundation 0x193516ce0 \_CFRunLoopRunSpecificWithOptions + 536 7 HIToolbox 0x1a090a590 RunCurrentEventLoopInMode + 320 8 HIToolbox 0x1a090d91c ReceiveNextEventCommon + 492 9 HIToolbox 0x1a0a917dc \_BlockUntilNextEventMatchingListInMode + 48 10 AppKit 0x197d3ea50 \_DPSBlockUntilNextEventMatchingListInMode + 292 11 AppKit 0x1979fe53c \_DPSNextEvent + 580 12 AppKit 0x198278fb8 -[NSApplication(NSEventRouting) \_nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 804 13 AppKit 0x198278ac4 -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 292 14 AppKit 0x1979f1938 -[NSApplication run] + 396 15 AppKit 0x1979c9c4c NSApplicationMain + 880 16 dyld 0x192fa3ef0 start + 6688 Thread 1: Thread 2:: Dispatch queue: com.apple.root.default-qos 0 libsystem\_kernel.dylib 0x19333a9dc \_\_psynch\_mutexwait + 8 1 libsystem\_pthread.dylib 0x193379f7c \_pthread\_mutex\_firstfit\_lock\_wait + 84 2 libsystem\_pthread.dylib 0x1933779b8 \_pthread\_mutex\_firstfit\_lock\_slow + 216 3 libsystem\_pthread.dylib 0x19337d25c \_pthread\_cond\_wait + 1120 4 CoreAudio 0x196c3d888 HALB\_Guard::WaitFor(unsigned long long) + 256 5 CoreAudio 0x1969c6208 HALB\_IOThread::\_WaitForState(unsigned int) + 252 6 CoreAudio 0x1969c6598 HALB\_IOThread::StartAndWaitForState(unsigned int) + 728 7 CoreAudio 0x196845b1c HALC\_ProxyIOContext::\_StartIO(HALC\_ProxyIOContext::StartIO\_RetryMethod) + 172 8 CoreAudio 0x196844960 HALC\_ProxyIOContext::StartIOProc(int (_)(unsigned int, AudioTimeStamp const_, AudioBufferList const\*, AudioTimeStamp const\*, AudioBufferList\*, AudioTimeStamp const\*, void\*)) + 228 9 CoreAudio 0x196807d60 HAL\_HardwarePlugIn\_DeviceStart(AudioHardwarePlugInInterface\*\*, unsigned int, int (_)(unsigned int, AudioTimeStamp const_, AudioBufferList const\*, AudioTimeStamp const\*, AudioBufferList\*, AudioTimeStamp const\*, void\*)) + 708 10 CoreAudio 0x1968cd1e4 AudioDeviceStart\_mac\_imp + 208 11 CoreAudio 0x10d2d9bec 0x10d2d0000 + 39916 12 CoreAudio 0x10d2dce10 0x10d2d0000 + 52752 13 CoreAudio 0x10d3a588c 0x10d2d0000 + 874636 14 AudioToolboxCore 0x19632b8bc AudioOutputUnitStart + 280 15 djay Pro 0x1035ceb20 0x102968000 + 13003552 16 libdispatch.dylib 0x1931bba34 \_dispatch\_call\_block\_and\_release + 32 17 libdispatch.dylib 0x1931d55a0 \_dispatch\_client\_callout + 16 18 libdispatch.dylib 0x1931f2620 \_dispatch\_queue\_override\_invoke.cold.3 + 32 19 libdispatch.dylib 0x1931bfe4c \_dispatch\_queue\_override\_invoke + 848 20 libdispatch.dylib 0x1931cdaac \_dispatch\_root\_queue\_drain + 360 21 libdispatch.dylib 0x1931ce248 \_dispatch\_worker\_thread2 + 184 22 libsystem\_pthread.dylib 0x193378f60 \_pthread\_wqthread + 232 23 libsystem\_pthread.dylib 0x193377ce0 start\_wqthread + 8 Thread 3:: Dispatch queue: com.apple.root.background-qos 0 libsystem\_malloc.dylib 0x19319b0d4 \_xzm\_free\_outlined + 28 1 Security 0x19707d208 Security::RefPointerSecurity::AtomicBufferedFile::~RefPointer() + 176 2 Security 0x19707d4a4 Security::RefPointer\::release\_internal() + 180 3 Security 0x196e06ac0 Security::RefPointer\::setPointer(Security::DbVersion const\*) + 56 4 Security 0x196e09f0c Security::AppleDatabase::dbClose() + 96 5 Security 0x196e09e68 Security::Database::\_dbClose(Security::DbContext&) + 112 6 Security 0x196e09dbc Security::DatabaseManager::dbClose(Security::DbContext&) + 56 7 Security 0x196e09c88 Security::DatabaseSession::DbClose(long) + 316 8 Security 0x196e56870 ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [September 26, 2026, 3:32pm UTC](https://community.algoriddim.com/t/macos-27-2-beta-crash-on-launch-5-6-9/43348/2 "2026-09-26T15:32:53Z")
Thanks for the crash report @David_Ellsworth1. Please note that we do not support beta OS versions. I recommend that you switch to an official release of macOS in the meantime. Thanks!