(lldb) process interrupt
Process 8674 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
    frame #0: 0x00007fff957c831e libsystem_kernel.dylib`__ulock_wait + 10
libsystem_kernel.dylib`__ulock_wait:
->  0x7fff957c831e <+10>: jae    0x7fff957c8328            ; <+20>
    0x7fff957c8320 <+12>: movq   %rax, %rdi
    0x7fff957c8323 <+15>: jmp    0x7fff957c0caf            ; cerror_nocancel
    0x7fff957c8328 <+20>: retq
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x00007fff957c831e libsystem_kernel.dylib`__ulock_wait + 10
    frame #1: 0x00007fff958abaff libsystem_platform.dylib`_os_ulock_wait + 25
    frame #2: 0x00007fff958ab3d2 libsystem_platform.dylib`_os_unfair_lock_lock_slow + 130
    frame #3: 0x00007fff94dae169 libobjc.A.dylib`objc_object::sidetable_retain() + 81
    frame #4: 0x00007fff94dafa8f libobjc.A.dylib`_object_get_associative_reference + 217
    frame #5: 0x00007fff7dab95f0 AppKit`-[NSView inputContext] + 296
    frame #6: 0x000000010f70c714 XUL`-[ChildView inputContext] + 100
    frame #7: 0x00007fff7e407e5c AppKit`+[NSTextInputContext currentInputContext_withFirstResponderSync:] + 148
    frame #8: 0x00007fff7da35212 AppKit`-[NSApplication updateWindows] + 96
    frame #9: 0x00007fff7de6d38f AppKit`__38-[NSApplication setWindowsNeedUpdate:]_block_invoke.2372 + 68
    frame #10: 0x00007fff7ff55dd7 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
    frame #11: 0x00007fff7ff55d47 CoreFoundation`__CFRunLoopDoObservers + 391
    frame #12: 0x00007fff7ff36789 CoreFoundation`__CFRunLoopRun + 873
    frame #13: 0x00007fff7ff361c4 CoreFoundation`CFRunLoopRunSpecific + 420
    frame #14: 0x00007fff7f497ebc HIToolbox`RunCurrentEventLoopInMode + 240
    frame #15: 0x00007fff7f497bf9 HIToolbox`ReceiveNextEventCommon + 184
    frame #16: 0x00007fff7f497b26 HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71
    frame #17: 0x00007fff7da32e24 AppKit`_DPSNextEvent + 1120
    frame #18: 0x00007fff7e1ae85e AppKit`-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796
    frame #19: 0x000000010f728512 XUL`-[GeckoNSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 82
    frame #20: 0x00007fff7da277ab AppKit`-[NSApplication run] + 926
    frame #21: 0x000000010f7292b5 XUL`nsAppShell::Run() + 261
    frame #22: 0x000000011011cd44 XUL`nsAppStartup::Run() + 36
    frame #23: 0x000000011014ab8d XUL`XREMain::XRE_mainRun() + 3533
    frame #24: 0x000000011014ae41 XUL`XREMain::XRE_main(int, char**, nsXREAppData const*) + 481
    frame #25: 0x000000011014b184 XUL`XRE_main + 244
    frame #26: 0x000000010dae7a21 komodo`main + 1297
    frame #27: 0x00007fff95699235 libdyld.dylib`start + 1