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MMM hangs on opening and I have to force quit

http://mediamonkey.com/forum/viewtopic.php?t=109681

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MMM hangs on opening and I have to force quit

Posted: Fri Aug 14, 2026 1:58 am
by mlg238
Macbook Model = 14" Apple M3 Pro chip with 18gb memory
Mac OS = Tahoe 26.5.2
MediaMonkey version = 2027.0.0.3516 (2026-08-01)

Hi,

I would say about 1 in every 3 times that I open the latest build of MMM it just hangs and doesn't load the library. I then have to force quit and open it again to get the library loaded.

When I force quit, a box pops up on screen with some debug information that gets sent to Apple, but I'm not sure if it gets sent to you as well? The information contains over 48,000 lines of code but I have put the start and end bits of it below in case that's helpful.

If it isn't helpful, how can I send you the debug information you require? Do I simply go into Help>Debug>Send Logs the next time I open MMM and it doesn't hang or will that only contain information about the current session?

-------------------------------------------------------------------------------------------------

Code: Select all

Date/Time:        2026-08-14 07:27:51.554 +0100
End time:         2026-08-14 07:28:07.120 +0100
OS Version:       macOS 26.5.2 (Build 25F84)
Architecture:     arm64e
Report Version:   72
Incident Identifier: D8AA37F2-71E1-4988-901F-496FAA996E95
Share With Devs:  Yes

Data Source:      Stackshots
Shared Cache:     157E6D2E-2E5C-39B1-8F2A-8866EE228BED slid base address 0x185d0c000, slide 0x5d0c000 (System Primary)
Shared Cache:     501B2A5B-DDBE-31A3-9531-1600C7CD779E slid base address 0x193b84000, slide 0x13b84000 (DriverKit)
Shared Cache:     7FF61E7C-9999-304A-B00A-B07DC866D316 slid base address 0x7ff801958000, slide 0x1958000 (Rosetta)

Command:          MediaMonkey
Path:             /Applications/MediaMonkey.app/Contents/MacOS/MediaMonkey
Identifier:       com.mediamonkey.mediamonkey
Version:          2027 (2027.0.0.3516)
Team ID:          S88YW9KVU5
Is First Party:   No
Beta Identifier:  BCBD5510-7CB5-54C8-AD06-3F0FF18CAD42
Architecture:     arm64
Parent:           launchd [1]
PID:              91048
Time Since Fork:  12s

Event:            hang
Duration:         15.57s
Duration Sampled: 13.60s (process was unresponsive for 2 seconds before sampling)
Steps:            136 (100ms sampling interval, sampled only main threads for 8.90 seconds)

Hardware model:   Mac15,6
Active cpus:      11
Memory size:      18 GB
HW page size:     16384
VM page size:     16384
Shared cache residency: 12.64% (699.03 MB / 5532.34 MB)

Time Since Boot:  328946s
Time Awake Since Boot: 269843s
Time Since Wake:  1137s

Fan speed:        2301 rpm
Total CPU Time:   184491.036s (305.5T cycles, 581.4T instructions, 0.53c/i, 1.66GHz avg)
Advisory levels:  Battery -> 3, User -> 2, ThermalPressure -> 0, Combined -> 2
Free disk space:  204.98 GB/926.35 GB, low space threshold 3072 MB
Vnodes Available: 73.14% (192491/263168)
Models:           none

Preferred User Language: en-GB
Country Code:     GB
Keyboards:        British
OS Cryptex File Extents: 4

--------------------------------------------------
Timeline format: stacks are sorted chronologically
Use -i and -heavy to re-report with count sorting
--------------------------------------------------


Heaviest stack for the main thread of the target process:
  136  start + 6992 (dyld + 130560) [0x185e3fe00]
  136  main + 64 (MediaMonkey + 39123284) [0x1065bf954]
  136  Appinitcode::doAppInitialize() + 4284 (MediaMonkey + 39122916) [0x1065bf7e4]
  136  Htmlwindow::TBrowserWindow::openMainWindow(bool, bool) + 644 (MediaMonkey + 37799180) [0x10647c50c]
  136  Htmlwindow::TBrowserWindow::ProcessMessages() + 24 (MediaMonkey + 37798496) [0x10647c260]
  136  Ceflib::CefRunMessageLoop() + 48 (MediaMonkey + 39005416) [0x1065a2ce8]
  136  temporal_rs_ZonedDateTime_offset_nanoseconds + 255604 (Chromium Embedded Framework + 3919948) [0x1233c504c]
  136  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x127c085f8]
  136  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x127c3bcf0]
  136  ChromeWebAppShortcutCopierMain + 5771468 (Chromium Embedded Framework + 80196396) [0x127c8332c]
  136  ChromeWebAppShortcutCopierMain + 5776828 (Chromium Embedded Framework + 80201756) [0x127c8481c]
  136  -[NSApplication run] + 408 (AppKit + 180580) [0x18a6db164]
  136  -[NSApplication _handleEvent:] + 60 (AppKit + 8496740) [0x18aec9664]
  136  cxxbridge1$rust_vec$u8$set_len + 58388 (Chromium Embedded Framework + 4672208) [0x12347cad0]
  136  -[NSApplication(NSEventRouting) sendEvent:] + 1228 (AppKit + 12375004) [0x18b27c3dc]
  136  -[NSWindow(NSEventRouting) sendEvent:] + 380 (AppKit + 1429092) [0x18a80be64]
  136  -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 472 (AppKit + 1429984) [0x18a80c1e0]
  136  rust_png$cxxbridge1$194$ResultOfWriter$operator$sizeof + 1288984 (Chromium Embedded Framework + 98892712) [0x128e57ba8]
  136  _v8_internal_Node_Print(void*) + 16135640 (Chromium Embedded Framework + 49453416) [0x125f31968]
  136  _v8_internal_Node_Print(void*) + 16136576 (Chromium Embedded Framework + 49454352) [0x125f31d10]
  136  _v8_internal_Node_Print(void*) + 14044792 (Chromium Embedded Framework + 47362568) [0x125d33208]
  136  _v8_internal_Node_Print(void*) + 14045176 (Chromium Embedded Framework + 47362952) [0x125d33388]
  136  _v8_internal_Node_Print(void*) + 15375704 (Chromium Embedded Framework + 48693480) [0x125e780e8]
  136  llg_par_compute_mask + 19468 (Chromium Embedded Framework + 3652996) [0x123383d84]
  136  cef_image_create + 7088 (Chromium Embedded Framework + 3211984) [0x1233182d0]
  136  Ceflib::cef_keyboard_handler_on_pre_key_event(Ceflib::TCefKeyboardHandler*, Ceflib::TCefBrowser*, Ceflib::TCefKeyEvent*, void*, int*) + 160 (MediaMonkey + 39018092) [0x1065a5e6c]
  136  Htmlwindow::TCustomKeyboardHandler::OnPreKeyEvent(System::DelphiInterface<Ceflib::ICefBrowser>, Ceflib::TCefKeyEvent*, void*, bool&) + 108 (MediaMonkey + 37847860) [0x106488334]
  136  Sharedutils::ODS(System::UnicodeString) + 864 (MediaMonkey + 12890328) [0x104cbb0d8]
  136  Basemac::OutputDebugString(System::UnicodeString) + 236 (MediaMonkey + 38784504) [0x10656cdf8]
  136  System::Syncobjs::TCriticalSection::Acquire() + 92 (MediaMonkey + 9825616) [0x1049ced50]
  136  System::TMonitor::Enter(unsigned int) + 656 (MediaMonkey + 8158276) [0x104837c44]
  136  System::Sysutils::WaitOrSignalObj(void*, void*, unsigned int) + 140 (MediaMonkey + 8544828) [0x10489623c]
  136  System::Sysutils::WaitForSyncWaitObj(void*, unsigned int) + 124 (MediaMonkey + 8543116) [0x104895b8c]
  136  _dispatch_semaphore_wait_slow + 132 (libdispatch.dylib + 15136) [0x186044b20]
  136  semaphore_wait_trap + 8 (libsystem_kernel.dylib + 2992) [0x1861b9bb0]
 *136  ??? (kernel.release.t6030 + 662380) [0xfffffe000b6b9b6c]


Process:          MediaMonkey [91048]
UUID:             DCCC4927-7C5C-35F1-9993-57AAC8FB9FD9
Path:             /Applications/MediaMonkey.app/Contents/MacOS/MediaMonkey
Identifier:       com.mediamonkey.mediamonkey
Version:          2027 (2027.0.0.3516)
Team ID:          S88YW9KVU5
Is First Party:   No
Beta Identifier:  BCBD5510-7CB5-54C8-AD06-3F0FF18CAD42
Shared Cache:     157E6D2E-2E5C-39B1-8F2A-8866EE228BED slid base address 0x185d0c000, slide 0x5d0c000 (System Primary)
Architecture:     arm64
Parent:           launchd [1]
UID:              501
Memory Limit:     0MB
Jetsam Priority:  100
Footprint:        299.86 MB
Time Since Fork:  12s
Num samples:      136 (1-136)
CPU Time:         0.230s (258.5M cycles, 249.8M instructions, 1.04c/i, 1.12GHz avg)
Note:             Unresponsive for 2 seconds before sampling
Num threads:      107
Note:             3 idle work queue threads omitted

WS Idle: 75.93ms
|
        83.62 ms[    136    ]        75.93 ms[    136    ]         5.97 ms[ No samples]         1.72 ms[ No samples]       11.96 FPS                                                            *
Model: Mac15,6, BootROM 18000.121.3, proc 11:5:6:0 processors, 18 GB, SMC 
Graphics: Apple M3 Pro, Apple M3 Pro, Built-In
Display: Color LCD, 3024 x 1964 Retina, Main, MirrorOff, Online
Memory Module: LPDDR5, Hynix
AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x4388), wl0: Feb  2 2026 19:18:00 version 23.50.20.0.41.51.208 FWID 01-3e23bec0
IO80211_driverkit-1561.3 "IO80211_driverkit-1561.3" Apr 18 2026 17:42:26
AirPort: 
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.
-------------------------------------------------------------------------------------------------

Thanks
Matt

Re: MMM hangs on opening and I have to force quit

Posted: Fri Aug 14, 2026 11:19 am
by vlcnrvn
regularly confronted by ht e same issue here

(M1pro / 16gb ram / 1to HD / Tahoe 26.5.2 )

here is some of the bug report :

Code: Select all

Date/Time:        2026-08-14 18:14:17.053 +0200
End time:         2026-08-14 18:14:27.097 +0200
OS Version:       macOS 26.5.2 (Build 25F84)
Architecture:     arm64e
Report Version:   72
Incident Identifier: AB2F0BDD-ABF4-4D9F-B450-8837C6163678

Data Source:      Stackshots
Shared Cache:     157E6D2E-2E5C-39B1-8F2A-8866EE228BED slid base address 0x1827cc000, slide 0x27cc000 (System Primary)
Shared Cache:     501B2A5B-DDBE-31A3-9531-1600C7CD779E slid base address 0x195404000, slide 0x15404000 (DriverKit)

Command:          MediaMonkey
Path:             /Applications/MediaMonkey.app/Contents/MacOS/MediaMonkey
Identifier:       com.mediamonkey.mediamonkey
Version:          2027 (2027.0.0.3516)
Team ID:          S88YW9KVU5
Is First Party:   No
Beta Identifier:  704EE94E-424C-5EEF-90A9-ADE23DE8E040
Architecture:     arm64
Parent:           launchd [1]
PID:              11920
Time Since Fork:  59s

Event:            hang
Duration:         10.04s
Duration Sampled: 4.70s (process was unresponsive for 5 seconds before sampling)
Steps:            47 (100ms sampling interval)

Hardware model:   MacBookPro18,3
Active cpus:      8
Memory size:      16 GB
HW page size:     16384
VM page size:     16384
Shared cache residency: 19.64% (1086.64 MB / 5532.34 MB)

Time Since Boot:  460361s
Time Awake Since Boot: 98323s
Time Since Wake:  1333s

Fan speed:        0 rpm
Total CPU Time:   2.882s (4.0G cycles, 5.5G instructions, 0.73c/i, 1.39GHz avg)
Advisory levels:  Battery -> 2, User -> 2, ThermalPressure -> 0, Combined -> 2
Free disk space:  295.93 GB/926.35 GB, low space threshold 3072 MB
Vnodes Available: 67.14% (165980/247211)
Models:           none

Preferred User Language: fr-FR
Country Code:     FR
Keyboards:        French - numerical, French
OS Cryptex File Extents: 1

--------------------------------------------------
Timeline format: stacks are sorted chronologically
Use -i and -heavy to re-report with count sorting
--------------------------------------------------


Heaviest stack for the main thread of the target process:
  47  start + 6992 (dyld + 130560) [0x1828ffe00]
  47  main + 64 (MediaMonkey + 39123284) [0x104ab7954]
  47  Appinitcode::doAppInitialize() + 4284 (MediaMonkey + 39122916) [0x104ab77e4]
  47  Htmlwindow::TBrowserWindow::openMainWindow(bool, bool) + 644 (MediaMonkey + 37799180) [0x10497450c]
  47  Htmlwindow::TBrowserWindow::ProcessMessages() + 24 (MediaMonkey + 37798496) [0x104974260]
  47  Ceflib::CefRunMessageLoop() + 48 (MediaMonkey + 39005416) [0x104a9ace8]
  47  temporal_rs_ZonedDateTime_offset_nanoseconds + 255604 (Chromium Embedded Framework + 3919948) [0x11f60904c]
  47  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x123e4c5f8]
  47  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x123e7fcf0]
  47  ChromeWebAppShortcutCopierMain + 5771468 (Chromium Embedded Framework + 80196396) [0x123ec732c]
  47  ChromeWebAppShortcutCopierMain + 5776828 (Chromium Embedded Framework + 80201756) [0x123ec881c]
  47  -[NSApplication run] + 368 (AppKit + 180540) [0x18719b13c]
  47  -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72 (AppKit + 12379580) [0x187d3d5bc]
  47  -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 (AppKit + 12380336) [0x187d3d8b0]
  47  _DPSNextEvent + 1284 (AppKit + 234312) [0x1871a8348]
  47  AEProcessAppleEvent + 68 (HIToolbox + 90948) [0x18fab8344]
  47  aeProcessAppleEvent + 484 (AE + 16312) [0x18afa4fb8]
  47  ??? (AE + 43148) [0x18afab88c]
  47  ??? (AE + 44852) [0x18afabf34]
  47  _NSAppleEventManagerGenericHandler + 80 (Foundation + 204212) [0x18459bdb4]
  47  -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 316 (Foundation + 204732) [0x18459bfbc]
  47  -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 668 (AppKit + 259724) [0x1871ae68c]
  47  -[NSApplication(NSAppleEventHandling) _handleAEQuit] + 416 (AppKit + 3533068) [0x1874cd90c]
  47  -[NSApplication _shouldTerminate] + 1076 (AppKit + 2393928) [0x1873b7748]
  47  -[NSDocumentController(NSInternal) __closeAllDocumentsWithDelegate:shouldTerminateSelector:] + 236 (AppKit + 2395040) [0x1873b7ba0]
  47  -[NSDocumentController(NSInternal) _closeAllDocumentsWithDelegate:shouldTerminateSelector:] + 1140 (AppKit + 2396300) [0x1873b808c]
  47  __91-[NSDocumentController(NSInternal) _closeAllDocumentsWithDelegate:shouldTerminateSelector:]_block_invoke + 384 (AppKit + 2397452) [0x1873b850c]
  47  -[NSApplication _docController:shouldTerminate:] + 144 (AppKit + 2397996) [0x1873b872c]
  47  DispatchToDelphi + 144 (MediaMonkey + 15432) [0x10256bc48]
  47  Htmlwindow_osx::TAppDelegate::applicationShouldTerminate(void*) + 120 (MediaMonkey + 37642920) [0x10494e2a8]
  47  Htmlwindow::TBrowserWindow::handleClose() + 188 (MediaMonkey + 37763888) [0x10496bb30]
  47  Sharedutils::ODS(System::UnicodeString) + 864 (MediaMonkey + 12890328) [0x1031b30d8]
  47  Basemac::OutputDebugString(System::UnicodeString) + 468 (MediaMonkey + 38784736) [0x104a64ee0]
  47  System::_Write0UString(System::TTextRec&, System::UnicodeString) + 36 (MediaMonkey + 8139568) [0x102d2b330]
  47  System::_WriteUString(System::TTextRec&, System::UnicodeString, int) + 396 (MediaMonkey + 8140808) [0x102d2b808]
  47  System::_LStrFromUStr(System::AnsiStringT<(unsigned short)0>&, System::UnicodeString, unsigned short) + 96 (MediaMonkey + 8114256) [0x102d25050]
  47  System::_LStrFromPWCharLen(System::AnsiStringT<(unsigned short)0>&, char16_t*, int, unsigned short) + 128 (MediaMonkey + 8125540) [0x102d27c64]
  47  System::CharFromWChar(char*, int, char16_t const*, int, int) + 104 (MediaMonkey + 8125392) [0x102d27bd0]
  47  System::LocaleCharsFromUnicode(unsigned int, unsigned int, char16_t*, int, char*, int, char*, int*) + 104 (MediaMonkey + 8176460) [0x102d3434c]
  47  System::LocaleCharsFromUnicode(System::AnsiStringT<(unsigned short)0>, unsigned int, char16_t*, int, char*, int, char*, int*) + 340 (MediaMonkey + 8233172) [0x102d420d4]
  47  __bsd___iconv_open + 60 (libiconv.2.dylib + 2040) [0x192b467f8]
  47  _citrus_iconv_open + 72 (libiconv.2.dylib + 13608) [0x192b49528]
  47  _pthread_rwlock_lock_slow + 656 (libsystem_pthread.dylib + 13472) [0x182cba4a0]
  47  __psynch_rw_wrlock + 8 (libsystem_kernel.dylib + 25116) [0x182c7f21c]
 *47  psynch_rw_wrcontinue + 0 (pthread + 21340) [0xfffffe000b618f6c]


Process:          MediaMonkey [11920]
UUID:             DCCC4927-7C5C-35F1-9993-57AAC8FB9FD9
Path:             /Applications/MediaMonkey.app/Contents/MacOS/MediaMonkey
Identifier:       com.mediamonkey.mediamonkey
Version:          2027 (2027.0.0.3516)
Team ID:          S88YW9KVU5
Is First Party:   No
Beta Identifier:  704EE94E-424C-5EEF-90A9-ADE23DE8E040
Shared Cache:     157E6D2E-2E5C-39B1-8F2A-8866EE228BED slid base address 0x1827cc000, slide 0x27cc000 (System Primary)
Architecture:     arm64
Parent:           launchd [1]
UID:              501
Memory Limit:     0MB
Jetsam Priority:  100
Footprint:        345.54 MB
Time Since Fork:  59s
Num samples:      47 (1-47)
CPU Time:         0.264s (317.1M cycles, 207.9M instructions, 1.53c/i, 1.20GHz avg)
Note:             Unresponsive for 5 seconds before sampling
Num threads:      85
Note:             3 idle work queue threads omitted

  Thread 0x127bcf    DispatchQueue "com.apple.main-thread"(1)    Thread name "CrBrowserMain"    47 samples (1-47)    priority 47 (base 47)    cpu time <0.001s (68.5K cycles, 29.6K instructions, 2.31c/i, 1.33GHz avg)    last ran 5.428s ago
  <process frontmost, thread QoS user interactive (requested user interactive), process unclamped, jetsam priority 100 (requested 100, assertion 0), process memory limit 0MB, process received importance donation from mediaremoted [324], process received importance donation from WindowServer [393], IO tier 0>
  47  start + 6992 (dyld + 130560) [0x1828ffe00] 1-47
    47  main + 64 (MediaMonkey + 39123284) [0x104ab7954] 1-47
      47  Appinitcode::doAppInitialize() + 4284 (MediaMonkey + 39122916) [0x104ab77e4] 1-47
        47  Htmlwindow::TBrowserWindow::openMainWindow(bool, bool) + 644 (MediaMonkey + 37799180) [0x10497450c] 1-47
          47  Htmlwindow::TBrowserWindow::ProcessMessages() + 24 (MediaMonkey + 37798496) [0x104974260] 1-47
            47  Ceflib::CefRunMessageLoop() + 48 (MediaMonkey + 39005416) [0x104a9ace8] 1-47
              47  temporal_rs_ZonedDateTime_offset_nanoseconds + 255604 (Chromium Embedded Framework + 3919948) [0x11f60904c] 1-47
                47  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x123e4c5f8] 1-47
                  47  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x123e7fcf0] 1-47
                    47  ChromeWebAppShortcutCopierMain + 5771468 (Chromium Embedded Framework + 80196396) [0x123ec732c] 1-47
                      47  ChromeWebAppShortcutCopierMain + 5776828 (Chromium Embedded Framework + 80201756) [0x123ec881c] 1-47
                        47  -[NSApplication run] + 368 (AppKit + 180540) [0x18719b13c] 1-47
                          47  -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72 (AppKit + 12379580) [0x187d3d5bc] 1-47
                            47  -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 (AppKit + 12380336) [0x187d3d8b0] 1-47
                              47  _DPSNextEvent + 1284 (AppKit + 234312) [0x1871a8348] 1-47
                                47  AEProcessAppleEvent + 68 (HIToolbox + 90948) [0x18fab8344] 1-47
                                  47  aeProcessAppleEvent + 484 (AE + 16312) [0x18afa4fb8] 1-47
                                    47  ??? (AE + 43148) [0x18afab88c] 1-47
                                      47  ??? (AE + 44852) [0x18afabf34] 1-47
                                        47  _NSAppleEventManagerGenericHandler + 80 (Foundation + 204212) [0x18459bdb4] 1-47
                                          47  -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 316 (Foundation + 204732) [0x18459bfbc] 1-47
                                            47  -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 668 (AppKit + 259724) [0x1871ae68c] 1-47
                                              47  -[NSApplication(NSAppleEventHandling) _handleAEQuit] + 416 (AppKit + 3533068) [0x1874cd90c] 1-47
                                                47  -[NSApplication _shouldTerminate] + 1076 (AppKit + 2393928) [0x1873b7748] 1-47
                                                  47  -[NSDocumentController(NSInternal) __closeAllDocumentsWithDelegate:shouldTerminateSelector:] + 236 (AppKit + 2395040) [0x1873b7ba0] 1-47
                                                    47  -[NSDocumentController(NSInternal) _closeAllDocumentsWithDelegate:shouldTerminateSelector:] + 1140 (AppKit + 2396300) [0x1873b808c] 1-47
                                                      47  __91-[NSDocumentController(NSInternal) _closeAllDocumentsWithDelegate:shouldTerminateSelector:]_block_invoke + 384 (AppKit + 2397452) [0x1873b850c] 1-47
                                                        47  -[NSApplication _docController:shouldTerminate:] + 144 (AppKit + 2397996) [0x1873b872c] 1-47
                                                          47  DispatchToDelphi + 144 (MediaMonkey + 15432) [0x10256bc48] 1-47
                                                            47  Htmlwindow_osx::TAppDelegate::applicationShouldTerminate(void*) + 120 (MediaMonkey + 37642920) [0x10494e2a8] 1-47
                                                              47  Htmlwindow::TBrowserWindow::handleClose() + 188 (MediaMonkey + 37763888) [0x10496bb30] 1-47
                                                                47  Sharedutils::ODS(System::UnicodeString) + 864 (MediaMonkey + 12890328) [0x1031b30d8] 1-47
                                                                  47  Basemac::OutputDebugString(System::UnicodeString) + 468 (MediaMonkey + 38784736) [0x104a64ee0] 1-47
                                                                    47  System::_Write0UString(System::TTextRec&, System::UnicodeString) + 36 (MediaMonkey + 8139568) [0x102d2b330] 1-47
                                                                      47  System::_WriteUString(System::TTextRec&, System::UnicodeString, int) + 396 (MediaMonkey + 8140808) [0x102d2b808] 1-47
                                                                        47  System::_LStrFromUStr(System::AnsiStringT<(unsigned short)0>&, System::UnicodeString, unsigned short) + 96 (MediaMonkey + 8114256) [0x102d25050] 1-47
                                                                          47  System::_LStrFromPWCharLen(System::AnsiStringT<(unsigned short)0>&, char16_t*, int, unsigned short) + 128 (MediaMonkey + 8125540) [0x102d27c64] 1-47
                                                                            47  System::CharFromWChar(char*, int, char16_t const*, int, int) + 104 (MediaMonkey + 8125392) [0x102d27bd0] 1-47
                                                                              47  System::LocaleCharsFromUnicode(unsigned int, unsigned int, char16_t*, int, char*, int, char*, int*) + 104 (MediaMonkey + 8176460) [0x102d3434c] 1-47
                                                                                47  System::LocaleCharsFromUnicode(System::AnsiStringT<(unsigned short)0>, unsigned int, char16_t*, int, char*, int, char*, int*) + 340 (MediaMonkey + 8233172) [0x102d420d4] 1-47
                                                                                  47  __bsd___iconv_open + 60 (libiconv.2.dylib + 2040) [0x192b467f8] 1-47
                                                                                    47  _citrus_iconv_open + 72 (libiconv.2.dylib + 13608) [0x192b49528] 1-47
                                                                                      47  _pthread_rwlock_lock_slow + 656 (libsystem_pthread.dylib + 13472) [0x182cba4a0] 1-47
                                                                                        47  __psynch_rw_wrlock + 8 (libsystem_kernel.dylib + 25116) [0x182c7f21c] 1-47
                                                                                         *47  psynch_rw_wrcontinue + 0 (pthread + 21340) [0xfffffe000b618f6c] 1-47

  Thread 0x127d38    Thread name "Compositor"    47 samples (1-47)    priority 47 (base 47)    cpu time 0.087s (104.4M cycles, 59.3M instructions, 1.76c/i, 1.20GHz avg)
  <process frontmost, thread QoS user interactive (requested user interactive), process unclamped, jetsam priority 100 (requested 100, assertion 0), process memory limit 0MB, process received importance donation from mediaremoted [324], process received importance donation from WindowServer [393], IO tier 0>
  47  thread_start + 8 (libsystem_pthread.dylib + 7196) [0x182cb8c1c] 1-47
    47  _pthread_start + 136 (libsystem_pthread.dylib + 27736) [0x182cbdc58] 1-47
      47  ChromeWebAppShortcutCopierMain + 5681804 (Chromium Embedded Framework + 80106732) [0x123eb14ec] 1-47
        47  _v8_internal_Node_Print(void*) + 24150196 (Chromium Embedded Framework + 57467972) [0x12291a444] 1-47
          47  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x123e4c5f8] 1-47
            47  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x123e7fcf0] 1-47
              47  ChromeWebAppShortcutCopierMain + 5842688 (Chromium Embedded Framework + 80267616) [0x123ed8960] 1-47
                47  kevent64 + 8 (libsystem_kernel.dylib + 52136) [0x182c85ba8] 1-47
                 *47  ??? (kernel.release.t6000 + 6092780) [0xfffffe000bca77ec] 1-47

  Thread 0x127cad    Thread name "VizCompositorThread"    47 samples (1-47)    priority 47 (base 47)    cpu time 0.070s (81.7M cycles, 61.1M instructions, 1.34c/i, 1.17GHz avg)
  <process frontmost, thread QoS user interactive (requested user interactive), process unclamped, jetsam priority 100 (requested 100, assertion 0), process memory limit 0MB, process received importance donation from mediaremoted [324], process received importance donation from WindowServer [393], IO tier 0>
  47  thread_start + 8 (libsystem_pthread.dylib + 7196) [0x182cb8c1c] 1-47
    47  _pthread_start + 136 (libsystem_pthread.dylib + 27736) [0x182cbdc58] 1-47
      47  ChromeWebAppShortcutCopierMain + 5681804 (Chromium Embedded Framework + 80106732) [0x123eb14ec] 1-47
        47  ChromeWebAppShortcutCopierMain + 5597880 (Chromium Embedded Framework + 80022808) [0x123e9cd18] 1-47
          47  ChromeWebAppShortcutCopierMain + 5597388 (Chromium Embedded Framework + 80022316) [0x123e9cb2c] 1-47
            47  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x123e4c5f8] 1-47
              47  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x123e7fcf0] 1-47
                47  ChromeWebAppShortcutCopierMain + 5771468 (Chromium Embedded Framework + 80196396) [0x123ec732c] 1-47
                  47  ChromeWebAppShortcutCopierMain + 5776144 (Chromium Embedded Framework + 80201072) [0x123ec8570] 1-47
                    47  -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212 (Foundation + 367428) [0x1845c3b44] 1-47
                      47  _CFRunLoopRunSpecificWithOptions + 532 (CoreFoundation + 1372612) [0x182e4c1c4] 1-47
                        47  __CFRunLoopRun + 1188 (CoreFoundation + 510404) [0x182d799c4] 1-47
                          47  __CFRunLoopServiceMachPort + 160 (CoreFoundation + 516312) [0x182d7b0d8] 1-47
                            47  mach_msg + 24 (libsystem_kernel.dylib + 4032) [0x182c79fc0] 1-47
                              47  mach_msg_overwrite + 480 (libsystem_kernel.dylib + 39360) [0x182c829c0] 1-47
                                47  mach_msg2_trap + 8 (libsystem_kernel.dylib + 3124) [0x182c79c34] 1-47
                                 *47  ??? (kernel.release.t6000 + 209068) [0xfffffe000b70b0ac] 1-47

  Thread 0x127d2b    Thread name "VSyncThread"    47 samples (1-47)    priority 47 (base 47)    cpu time 0.046s (55.1M cycles, 32.0M instructions, 1.72c/i, 1.20GHz avg)
  <process frontmost, thread QoS user interactive (requested user interactive), process unclamped, jetsam priority 100 (requested 100, assertion 0), process memory limit 0MB, process received importance donation from mediaremoted [324], process received importance donation from WindowServer [393], IO tier 0>
  47  thread_start + 8 (libsystem_pthread.dylib + 7196) [0x182cb8c1c] 1-47
    47  _pthread_start + 136 (libsystem_pthread.dylib + 27736) [0x182cbdc58] 1-47
      47  ChromeWebAppShortcutCopierMain + 5681804 (Chromium Embedded Framework + 80106732) [0x123eb14ec] 1-47
        47  ChromeWebAppShortcutCopierMain + 5597880 (Chromium Embedded Framework + 80022808) [0x123e9cd18] 1-47
          47  ChromeWebAppShortcutCopierMain + 5597388 (Chromium Embedded Framework + 80022316) [0x123e9cb2c] 1-47
            47  ChromeWebAppShortcutCopierMain + 5268376 (Chromium Embedded Framework + 79693304) [0x123e4c5f8] 1-47
              47  ChromeWebAppShortcutCopierMain + 5479056 (Chromium Embedded Framework + 79903984) [0x123e7fcf0] 1-47
                47  ChromeWebAppShortcutCopierMain + 5771468 (Chromium Embedded Framework + 80196396) [0x123ec732c] 1-47
                  47  ChromeWebAppShortcutCopierMain + 5776144 (Chromium Embedded Framework + 80201072) [0x123ec8570] 1-47
                    47  -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212 (Foundation + 367428) [0x1845c3b44] 1-47
                      47  _CFRunLoopRunSpecificWithOptions + 532 (CoreFoundation + 1372612) [0x182e4c1c4] 1-47
                        47  __CFRunLoopRun + 1188 (CoreFoundation + 510404) [0x182d799c4] 1-47
                          47  __CFRunLoopServiceMachPort + 160 (CoreFoundation + 516312) [0x182d7b0d8] 1-47
                            47  mach_msg + 24 (libsystem_kernel.dylib + 4032) [0x182c79fc0] 1-47
                              47  mach_msg_overwrite + 480 (libsystem_kernel.dylib + 39360) [0x182c829c0] 1-47
                                47  mach_msg2_trap + 8 (libsystem_kernel.dylib + 3124) [0x182c79c34] 1-47
                                 *47  ??? (kernel.release.t6000 + 209068) [0xfffffe000b70b0ac] 1-47

  Thread 0x127c7f    Thread name "com.apple.NSEventThread"    47 samples (1-47)    priority 47 (base 47)    cpu time 0.037s (49.7M cycles, 39.9M instructions, 1.24c/i, 1.34GHz avg)
  <process frontmost, thread QoS user interactive (requested user interactive), process unclamped, jetsam priority 100 (requested 100, assertion 0), process memory limit 0MB, process received importance donation from mediaremoted [324], process received importance donation from WindowServer [393], IO tier 0>
  47  thread_start + 8 (libsystem_pthread.dylib + 7196) [0x182cb8c1c] 1-47
    47  _pthread_start + 136 (libsystem_pthread.dylib + 27736) [0x182cbdc58] 1-47
      47  _NSEventThread + 184 (AppKit + 1420412) [0x1872c9c7c] 1-47
        47  _CFRunLoopRunSpecificWithOptions + 532 (CoreFoundation + 1372612) [0x182e4c1c4] 1-47
          6   __CFRunLoopRun + 1188 (CoreFoundation + 510404) [0x182d799c4] 1-6
            6   __CFRunLoopServiceMachPort + 160 (CoreFoundation + 516312) [0x182d7b0d8] 1-6
              6   mach_msg + 24 (libsystem_kernel.dylib + 4032) [0x182c79fc0] 1-6
                6   mach_msg_overwrite + 480 (libsystem_kernel.dylib + 39360) [0x182c829c0] 1-6
                  6   mach_msg2_trap + 8 (libsystem_kernel.dylib + 3124) [0x182c79c34] 1-6
                   *6   ??? (kernel.release.t6000 + 209068) [0xfffffe000b70b0ac] 1-6
          1   __CFRunLoopRun + 2168 (CoreFoundation + 511384) [0x182d79d98] 7
            1   __CFRunLoopDoSource1 + 504 (CoreFoundation + 517072) [0x182d7b3d0] 7
              1   __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 60 (CoreFoundation + 517288) [0x182d7b4a8] 7
                1   __CFMachPortPerform + 240 (CoreFoundation + 693212) [0x182da63dc] 7
                  1   MessageHandler(__CFMachPort*, void*, long, void*) + 60 (HIToolbox + 741960) [0x18fb57248] 7
                    1   PullEventsFromWindowServerOnConnection(unsigned int, unsigned char, __CFMachPortBoost*) + 80 (HIToolbox + 753356) [0x18fb59ecc] 7
                      1   SLEventCreateNextEvent + 20 (SkyLight + 1042412) [0x1895a37ec] 7
                        1   SLSGetNextEventRecordInternal + 296 (SkyLight + 1590608) [0x189629550] 7
                          1   CGSSnarfAndDispatchDatagrams + 168 (SkyLight + 43296) [0x1894af920] 7
                            1   mach_msg + 24 (libsystem_kernel.dylib + 4032) [0x182c79fc0] 7
                              1   mach_msg_overwrite + 480 (libsystem_kernel.dylib + 39360) [0x182c829c0] 7
                                1   mach_msg2_trap + 8 (libsystem_kernel.dylib + 3124) [0x182c79c34] 7
                                 *1   ??? (kernel.release.t6000 + 23616) [0xfffffe000b6ddc40] 7
                                   *1   ??? (kernel.release.t6000 + 1944016) [0xfffffe000b8b29d0] 7
                                     *1   ??? (kernel.release.t6000 + 1918672) [0xfffffe000b8ac6d0] 7
                                       *1   ??? (kernel.release.t6000 + 299508) [0xfffffe000b7211f4] 7
                                         *1   ??? (kernel.release.t6000 + 298000) [0xfffffe000b720c10] 7
                                           *1   ??? (kernel.release.t6000 + 202728) [0xfffffe000b7097e8] 7
                                             *1   ??? (kernel.release.t6000 + 206984) [0xfffffe000b70a888] 7
                                               *1   ??? (kernel.release.t6000 + 1980920) [0xfffffe000b8bb9f8] 7
                                                 *1   ??? (kernel.release.t6000 + 317688) [0xfffffe000b7258f8] 7
                                                   *1   ??? (kernel.release.t6000 + 605296) [0xfffffe000b76bc70] 7
                                                     *1   ??? (kernel.release.t6000 + 610344) [0xfffffe000b76d028] (runnable) 7
          40  __CFRunLoopRun + 1188 (CoreFoundation + 510404) [0x182d799c4] 8-47
            40  __CFRunLoopServiceMachPort + 160 (CoreFoundation + 516312) [0x182d7b0d8] 8-47
              40  mach_msg + 24 (libsystem_kernel.dylib + 4032) [0x182c79fc0] 8-47
                40  mach_msg_overwrite + 480 (libsystem_kernel.dylib + 39360) [0x182c829c0] 8-47
                  40  mach_msg2_trap + 8 (libsystem_kernel.dylib + 3124) [0x182c79c34] 8-47
                   *40  ??? (kernel.release.t6000 + 209068) [0xfffffe000b70b0ac] 8-47
(...)




----FPS Report Legend:-----
Raw Instantaneous FPS:
    30FPS delimiter:    '|'
    10FPS delimiter:    '+'
    1FPS delimiter:     '-'

Defer+Work Instantaneous FPS:                'X'
Work Instantaneous FPS:                      '^'
Equal Work and Defer+Work Instantaneous FPS: '*'

====Frame Rate Report:====

   Frame Length [SampleRange] WS Wait Length [SampleRange]   Defer Length [SampleRange] WS Work Length [SampleRange]      Frame Rate
         8.02 ms[ No samples]         0.00 ms[ No samples]         4.32 ms[ No samples]         3.69 ms[ No samples]      124.76 FPS|---------+---------+---------|---------+---------+---------*
|
WS Idle: 843.12ms
|
       852.43 ms[    2-10   ]       843.12 ms[    2-9    ]         3.22 ms[     10    ]         6.08 ms[ No samples]        1.17 FPS                                                            *
|
WS Idle: 350.52ms
|
       360.16 ms[   11-13   ]       350.52 ms[   11-13   ]         1.77 ms[ No samples]         7.86 ms[ No samples]        2.78 FPS                                                            *
|
WS Idle: 57.73ms
|
        69.78 ms[     14    ]        57.73 ms[     14    ]         2.02 ms[ No samples]        10.03 ms[ No samples]       14.33 FPS                                                            *
        34.48 ms[ No samples]        27.55 ms[ No samples]         3.03 ms[ No samples]         3.89 ms[ No samples]       29.00 FPS|---------+---------+---------                              *
         6.94 ms[ No samples]         0.79 ms[ No samples]         3.62 ms[ No samples]         2.53 ms[ No samples]      144.04 FPS|---------+---------+---------|---------+---------+---------*
         8.25 ms[ No samples]         2.19 ms[ No samples]         3.64 ms[ No samples]         2.42 ms[ No samples]      121.27 FPS|---------+---------+---------|---------+---------+---------*
         8.05 ms[ No samples]         2.27 ms[ No samples]         3.63 ms[ No samples]         2.15 ms[ No samples]      124.24 FPS|---------+---------+---------|---------+---------+---------*
         8.50 ms[     15    ]         2.55 ms[ No samples]         3.63 ms[     15    ]         2.32 ms[ No samples]      117.64 FPS|---------+---------+---------|---------+---------+---------*
         8.24 ms[ No samples]         2.41 ms[ No samples]         3.60 ms[ No samples]         2.23 ms[ No samples]      121.38 FPS|---------+---------+---------|---------+---------+---------*
        25.26 ms[ No samples]        17.50 ms[ No samples]         5.28 ms[ No samples]         2.48 ms[ No samples]       39.60 FPS|---------+---------+---------|---------+                   *
         8.21 ms[ No samples]         0.56 ms[ No samples]         5.29 ms[ No samples]         2.36 ms[ No samples]      121.82 FPS|---------+---------+---------|---------+---------+---------*
         8.50 ms[ No samples]         0.67 ms[ No samples]         5.29 ms[ No samples]         2.53 ms[ No samples]      117.64 FPS|---------+---------+---------|---------+---------+---------*
         7.98 ms[ No samples]         0.52 ms[ No samples]         5.28 ms[ No samples]         2.18 ms[ No samples]      125.25 FPS|---------+---------+---------|---------+---------+---------*
         8.64 ms[ No samples]         0.86 ms[ No samples]         5.29 ms[ No samples]         2.49 ms[ No samples]      115.69 FPS|---------+---------+---------|---------+---------+---------*
         8.51 ms[ No samples]         0.55 ms[ No samples]         5.30 ms[ No samples]         2.67 ms[ No samples]      117.46 FPS|---------+---------+---------|---------+---------+---------*
         8.53 ms[ No samples]         0.38 ms[ No samples]         5.29 ms[ No samples]         2.86 ms[ No samples]      117.17 FPS|---------+---------+---------|---------+---------+---------*
         8.25 ms[ No samples]         0.18 ms[ No samples]         5.29 ms[ No samples]         2.78 ms[ No samples]      121.23 FPS|---------+---------+---------|---------+---------+---------*
         8.48 ms[     16    ]         0.28 ms[ No samples]         5.28 ms[     16    ]         2.92 ms[ No samples]      117.91 FPS|---------+---------+---------|---------+---------+---------*
         8.21 ms[ No samples]         0.21 ms[ No samples]         5.20 ms[ No samples]         2.80 ms[ No samples]      121.87 FPS|---------+---------+---------|---------+---------+---------*
         8.61 ms[ No samples]         0.25 ms[ No samples]         5.29 ms[ No samples]         3.06 ms[ No samples]      116.12 FPS|---------+---------+---------|---------+---------+---------*
         8.38 ms[ No samples]         0.21 ms[ No samples]         5.05 ms[ No samples]         3.12 ms[ No samples]      119.31 FPS|---------+---------+---------|---------+---------+---------*
         8.25 ms[ No samples]         0.19 ms[ No samples]         5.03 ms[ No samples]         3.04 ms[ No samples]      121.25 FPS|---------+---------+---------|---------+---------+---------*
         8.24 ms[ No samples]         0.18 ms[ No samples]         5.12 ms[ No samples]         2.94 ms[ No samples]      121.35 FPS|---------+---------+---------|---------+---------+---------*
         8.40 ms[ No samples]         0.16 ms[ No samples]         5.23 ms[ No samples]         3.01 ms[ No samples]      119.02 FPS|---------+---------+---------|---------+---------+---------*
         8.35 ms[ No samples]         0.17 ms[ No samples]         5.15 ms[ No samples]         3.03 ms[ No samples]      119.76 FPS|---------+---------+---------|---------+---------+---------*
         8.70 ms[ No samples]         0.20 ms[ No samples]         5.11 ms[ No samples]         3.39 ms[ No samples]      114.89 FPS|---------+---------+---------|---------+---------+---------*
         8.30 ms[ No samples]         0.20 ms[ No samples]         4.74 ms[ No samples]         3.36 ms[ No samples]      120.54 FPS|---------+---------+---------|---------+---------+---------*
         7.90 ms[ No samples]         0.22 ms[ No samples]         4.77 ms[ No samples]         2.91 ms[ No samples]      126.64 FPS|---------+---------+---------|---------+---------+---------*
         7.76 ms[ No samples]         1.56 ms[ No samples]         3.84 ms[ No samples]         2.36 ms[ No samples]      128.82 FPS|---------+---------+---------|---------+---------+---------*
         9.86 ms[     17    ]         2.50 ms[ No samples]         3.52 ms[     17    ]         3.84 ms[ No samples]      101.39 FPS|---------+---------+---------|---------+---------+---------*
        17.21 ms[ No samples]         5.15 ms[ No samples]         7.74 ms[ No samples]         4.32 ms[ No samples]       58.11 FPS|---------+---------+---------|---------+---------+-------- *
Model: MacBookPro18,3, BootROM 18000.121.3, proc 8:6:2:0 processors, 16 GB, SMC 
Graphics: Apple M1 Pro, Apple M1 Pro, Built-In
Display: Color LCD, 3024 x 1964 Retina, Main, MirrorOff, Online
Memory Module: LPDDR5, Samsung
AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x4387), wl0: Jan 20 2026 17:44:15 version 20.140.13.0.8.7.224 FWID 01-b2a3fd0d
IO80211_driverkit-1561.3 "IO80211_driverkit-1561.3" Apr 18 2026 17:42:26
AirPort: 
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.

got the full report in a note if needed :-)

Re: MMM hangs on opening and I have to force quit

Posted: Mon Aug 17, 2026 4:16 pm
by rusty
fyi, I'm able to replicate this as well. It appears to be related to Chromium--we're working on it.

-Rusty

Re: MMM hangs on opening and I have to force quit

Posted: Mon Aug 17, 2026 11:37 pm
by Elwanda_Peele
Good to know this is reproducible and already being investigated. Hopefully the Chromium-related issue can be fixed in a future build.
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