After following the steps for Mac installation the mono Fiddler.exe immediately crashed.
mono Fiddler.exe
WARNING: The Carbon driver has not been ported to 64bits, and very few parts of Windows.Forms will work properly, or at all
=================================================================
Native Crash Reporting
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
=================================================================
Basic Fault Adddress Reporting
=================================================================
Memory around native instruction pointer (0x7fff75ff5e4a):0x7fff75ff5e3a 53 50 48 89 fb 48 8b 05 f2 21 fd 3b 48 8b 48 18 SPH..H...!.;H.H.
0x7fff75ff5e4a 48 89 4f 18 48 8b 48 10 48 89 4f 10 48 8b 08 48 H.O.H.H.H.O.H..H
0x7fff75ff5e5a 8b 40 08 48 89 47 08 48 89 0f 89 f7 48 89 de e8 .@.H.G.H....H...
0x7fff75ff5e6a ec 4a fc ff 48 89 d8 48 83 c4 08 5b 5d c3 55 48 .J..H..H...[].UH
=================================================================
Native stacktrace:
=================================================================
(No frames)
=================================================================
Telemetry Dumper:
=================================================================
Pkilling 0x70000de73000 from 0x10e0c55c0
Pkilling 0x70000e1ff000 from 0x10e0c55c0
Entering thread summarizer pause from 0x10e0c55c0
Finished thread summarizer pause from 0x10e0c55c0.
Waiting for dumping threads to resume
=================================================================
External Debugger Dump:
=================================================================
(lldb) command source -s 0 '/tmp/mono-gdb-commands.36558'
Executing commands in '/tmp/mono-gdb-commands.36558'.
(lldb) process attach --pid 36558
warning: (x86_64) /Library/Frameworks/Mono.framework/Versions/6.0.0/lib/mono/4.5/mscorlib.dll.dylib empty dSYM file detected, dSYM was created with an executable with no debug info.
warning: (x86_64) /Library/Frameworks/Mono.framework/Versions/6.0.0/lib/libglib-2.0.0.dylib empty dSYM file detected, dSYM was created with an executable with no debug info.
Process 36558 stopped
* thread #1, name = 'tid_307', queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
frame #0: 0x00007fff7cd19356 libsystem_kernel.dylib`__wait4 + 10
libsystem_kernel.dylib`__wait4:
-> 0x7fff7cd19356 <+10>: jae 0x7fff7cd19360 ; <+20>
0x7fff7cd19358 <+12>: movq %rax, %rdi
0x7fff7cd1935b <+15>: jmp 0x7fff7cd14421 ; cerror
0x7fff7cd19360 <+20>: retq
Target 0: (mono) stopped.
Executable module set to "/Library/Frameworks/Mono.framework/Versions/Current/Commands/mono".
Architecture set to: x86_64h-apple-macosx-.
(lldb) thread list
Process 36558 stopped
* thread #1: tid = 0x100ff4, 0x00007fff7cd19356 libsystem_kernel.dylib`__wait4 + 10, name = 'tid_307', queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
thread #2: tid = 0x100ffb, 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'SGen worker'
thread #3: tid = 0x100ffd, 0x00007fff7cd14266 libsystem_kernel.dylib`semaphore_wait_trap + 10, name = 'Finalizer'
thread #4: tid = 0x100ffe, 0x00007fff7cd15bfe libsystem_kernel.dylib`__workq_kernreturn + 10
thread #5: tid = 0x101000, 0x00007fff7cd15bfe libsystem_kernel.dylib`__workq_kernreturn + 10
thread #6: tid = 0x101015, 0x0000000000000000
thread #7: tid = 0x101027, 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'Timer-Scheduler'
thread #8: tid = 0x10102f, 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'tid_a703'
thread #9: tid = 0x101030, 0x00007fff7cd1427e libsystem_kernel.dylib`semaphore_timedwait_trap + 10, name = 'Thread Pool Worker'
thread #10: tid = 0x101031, 0x00007fff7cd1427e libsystem_kernel.dylib`semaphore_timedwait_trap + 10, name = 'Thread Pool Worker'
(lldb) thread backtrace all
* thread #1, name = 'tid_307', queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00007fff7cd19356 libsystem_kernel.dylib`__wait4 + 10
frame #1: 0x00000001008363e0 mono`mono_dump_native_crash_info at mini-posix.c:1115:3 [opt]
frame #2: 0x0000000100836144 mono`mono_dump_native_crash_info(signal=<unavailable>, ctx=<unavailable>, info=<unavailable>) at mini-posix.c:1159 [opt]
frame #3: 0x00000001007d09c5 mono`mono_handle_native_crash(signal="SIGSEGV", ctx=0x0000000100e57f48, info=0x0000000100e57ee0) at mini-exceptions.c:3340:2 [opt]
frame #4: 0x000000010072ad68 mono`mono_sigsegv_signal_handler_debug(_dummy=11, _info=0x0000000100e57ee0, context=0x0000000100e57f48, debug_fault_addr=0x00000000042bb0f0) at mini-runtime.c:3403:4 [opt]
frame #5: 0x00007fff7cdcab5d libsystem_platform.dylib`_sigtramp + 29
frame #6: 0x00007fff75ff5e4b SkyLight`SLDisplayBounds + 21
frame #7: 0x0000000107b1106d
frame #8: 0x0000000100dbf776
frame #9: 0x000000010072e139 mono`mono_jit_runtime_invoke(method=<unavailable>, obj=<unavailable>, params=0x0000000000000000, exc=0x0000000107b108e0, error=<unavailable>) at mini-runtime.c:3225:12 [opt]
frame #10: 0x00000001009491d4 mono`do_runtime_invoke(method=0x00007fbbf809c3c0, obj=0x0000000000000000, params=0x0000000000000000, exc=0x00007ffeef4e4aa8, error=0x00007ffeef4e4c88) at object.c:3009:11 [opt]
frame #11: 0x0000000100944f0f mono`mono_runtime_class_init_full [inlined] mono_runtime_try_invoke(method=<unavailable>, obj=<unavailable>, params=<unavailable>, error=0x00007ffeef4e4c88) at object.c:3118:9 [opt]
frame #12: 0x0000000100944ec7 mono`mono_runtime_class_init_full(vtable=0x00007fbbf813d540, error=0x00007ffeef4e4c88) at object.c:540 [opt]
frame #13: 0x0000000100725f95 mono`mono_jit_compile_method_inner(method=0x00007fbbf809c248, target_domain=0x00007fbbf6c05570, opt=<unavailable>, error=0x00007ffeef4e4c88) at mini.c:4144:8 [opt]
frame #14: 0x0000000100729b29 mono`mono_jit_compile_method_with_opt(method=0x00007fbbf809c248, opt=<unavailable>, jit_only=0, error=0x00007ffeef4e4c88) at mini-runtime.c:2486:10 [opt]
frame #15: 0x00000001007d3814 mono`common_call_trampoline(regs=0x00007ffeef4e4d58, code=<unavailable>, m=0x00007fbbf809c248, vt=0x0000000000000000, vtable_slot=<unavailable>, error=0x00007ffeef4e4c88) at mini-trampolines.c:631:27 [opt]
frame #16: 0x00000001007d3259 mono`mono_magic_trampoline(regs=0x00007ffeef4e4d58, code="H\x8b?H??\xa8H\x8b??8, arg=0x00007fbbf809c248, tramp=<unavailable>) at mini-trampolines.c:771:8 [opt]
frame #17: 0x0000000100c03393
frame #18: 0x000000010763666b
frame #19: 0x00000001076220ef
frame #20: 0x0000000107621d37
frame #21: 0x0000000100dbecf3
frame #22: 0x000000010072e139 mono`mono_jit_runtime_invoke(method=<unavailable>, obj=<unavailable>, params=0x00007ffeef4e55e8, exc=0x00000001010780a0, error=<unavailable>) at mini-runtime.c:3225:12 [opt]
frame #23: 0x00000001009491d4 mono`do_runtime_invoke(method=0x00007fbbf6c06d68, obj=0x0000000000000000, params=0x00007ffeef4e55e8, exc=0x0000000000000000, error=0x00007ffeef4e5628) at object.c:3009:11 [opt]
frame #24: 0x000000010094ceac mono`do_exec_main_checked [inlined] mono_runtime_invoke_checked(method=<unavailable>, obj=<unavailable>, params=<unavailable>, error=0x00007ffeef4e5628) at object.c:3177:9 [opt]
frame #25: 0x000000010094ce9d mono`do_exec_main_checked(method=0x00007fbbf6c06d68, args=<unavailable>, error=0x00007ffeef4e5628) at object.c:5072 [opt]
frame #26: 0x000000010078f06d mono`mono_jit_exec at driver.g.c:1321:13 [opt]
frame #27: 0x000000010078f05f mono`mono_jit_exec(domain=<unavailable>, assembly=<unavailable>, argc=1, argv=0x00007ffeef4e59a0) at driver.g.c:1266 [opt]
frame #28: 0x00000001007921a8 mono`mono_main [inlined] main_thread_handler at driver.g.c:1398:3 [opt]
frame #29: 0x0000000100792173 mono`mono_main(argc=2, argv=<unavailable>) at driver.g.c:2655 [opt]
frame #30: 0x000000010071d008 mono`main [inlined] mono_main_with_options(argc=<unavailable>, argv=<unavailable>) at main.c:50:9 [opt]
frame #31: 0x000000010071cff4 mono`main(argc=2, argv=<unavailable>) at main.c:408 [opt]
frame #32: 0x00007fff7cbdf3d5 libdyld.dylib`start + 1
frame #33: 0x00007fff7cbdf3d5 libdyld.dylib`start + 1
thread #2, name = 'SGen worker'
frame #0: 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff7cdd656e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x0000000100a1653e mono`thread_func [inlined] mono_os_cond_wait(mutex=<unavailable>) at mono-os-mutex.h:168:8 [opt]
frame #3: 0x0000000100a1652b mono`thread_func at sgen-thread-pool.c:165 [opt]
frame #4: 0x0000000100a1651d mono`thread_func(data=0x0000000000000000) at sgen-thread-pool.c:196 [opt]
frame #5: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
thread #3, name = 'Finalizer'
frame #0: 0x00007fff7cd14266 libsystem_kernel.dylib`semaphore_wait_trap + 10
frame #1: 0x00000001009c435a mono`finalizer_thread [inlined] mono_os_sem_wait(flags=MONO_SEM_FLAGS_ALERTABLE) at mono-os-semaphore.h:84:8 [opt]
frame #2: 0x00000001009c434f mono`finalizer_thread at mono-coop-semaphore.h:41 [opt]
frame #3: 0x00000001009c4335 mono`finalizer_thread(unused=<unavailable>) at gc.c:920 [opt]
frame #4: 0x000000010096fde3 mono`start_wrapper [inlined] start_wrapper_internal at threads.c:1178:3 [opt]
frame #5: 0x000000010096fd53 mono`start_wrapper(data=0x00007fbbf6e09180) at threads.c:1238 [opt]
frame #6: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #7: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #8: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
thread #4
frame #0: 0x00007fff7cdd23f0 libsystem_pthread.dylib`start_wqthread
thread #5
frame #0: 0x00007fff7cd15bfe libsystem_kernel.dylib`__workq_kernreturn + 10
frame #1: 0x00007fff7cdd2636 libsystem_pthread.dylib`_pthread_wqthread + 458
frame #2: 0x00007fff7cdd23fd libsystem_pthread.dylib`start_wqthread + 13
thread #6
frame #0: 0x0000000000000000
thread #7, name = 'Timer-Scheduler'
frame #0: 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff7cdd65a1 libsystem_pthread.dylib`_pthread_cond_wait + 773
frame #2: 0x0000000100a27024 mono`mono_os_cond_timedwait(cond=0x00007fbbf80010e0, mutex=0x00007fbbf80010a0, timeout_ms=499) at mono-os-mutex.c:44:8 [opt]
frame #3: 0x000000010098e3a9 mono`mono_w32handle_timedwait_signal_handle at mono-coop-mutex.h:100:8 [opt]
frame #4: 0x000000010098e37c mono`mono_w32handle_timedwait_signal_handle [inlined] mono_w32handle_timedwait_signal_naked(poll=0, alerted=<unavailable>) at w32handle.c:650 [opt]
frame #5: 0x000000010098e37c mono`mono_w32handle_timedwait_signal_handle(handle_data=<unavailable>, timeout=<unavailable>, poll=0, alerted=<unavailable>) at w32handle.c:765 [opt]
frame #6: 0x000000010098e271 mono`mono_w32handle_wait_one(handle=<unavailable>, timeout=<unavailable>, alertable=<unavailable>) at w32handle.c:883:13 [opt]
frame #7: 0x000000010098e4f9 mono`mono_w32handle_wait_multiple(handles=0x000070000e1fe930, nhandles=1, waitall=0, timeout=<unavailable>, alertable=1, error=0x000070000e1fe870) at w32handle.c:982:10 [opt]
frame #8: 0x0000000100969923 mono`ves_icall_System_Threading_WaitHandle_Wait_internal(handles=<unavailable>, numhandles=<unavailable>, waitall=<unavailable>, timeout=-1, error=0x000070000e1fe870) at threads.c:2167:9 [opt]
frame #9: 0x0000000100901e08 mono`ves_icall_System_Threading_WaitHandle_Wait_internal_raw(a0=<unavailable>, a1=<unavailable>, a2=<unavailable>, a3=<unavailable>, error=0x000070000e1fe870) at icall-def.h:1143:1 [opt]
frame #10: 0x0000000107b0b3c6
frame #11: 0x00000001029f46d6 mscorlib.dll.dylib`System_Threading_WaitHandle_InternalWaitOne_System_Runtime_InteropServices_SafeHandle_long_bool_bool + 86
frame #12: 0x00000001029f4671 mscorlib.dll.dylib`System_Threading_WaitHandle_WaitOne_long_bool + 65
frame #13: 0x00000001029f4447 mscorlib.dll.dylib`System_Threading_WaitHandle_WaitOne_int_bool + 71
frame #14: 0x00000001029f45c9 mscorlib.dll.dylib`System_Threading_WaitHandle_WaitOne_int + 57
frame #15: 0x00000001029faa0a mscorlib.dll.dylib`System_Threading_Timer_Scheduler_SchedulerThread + 282
frame #16: 0x00000001029ebf3b mscorlib.dll.dylib`System_Threading_ThreadHelper_ThreadStart_Context_object + 171
frame #17: 0x00000001029e95d3 mscorlib.dll.dylib`System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object_bool + 67
frame #18: 0x00000001029e9548 mscorlib.dll.dylib`System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object + 104
frame #19: 0x00000001029ec0c3 mscorlib.dll.dylib`System_Threading_ThreadHelper_ThreadStart + 67
frame #20: 0x0000000100dcd571
frame #21: 0x000000010072e139 mono`mono_jit_runtime_invoke(method=<unavailable>, obj=<unavailable>, params=0x000070000e1feec8, exc=0x00000001010762f8, error=<unavailable>) at mini-runtime.c:3225:12 [opt]
frame #22: 0x00000001009491d4 mono`do_runtime_invoke(method=0x00007fbbf78b9f68, obj=0x00000001010763f0, params=0x000070000e1feec8, exc=0x0000000000000000, error=0x000070000e1fee60) at object.c:3009:11 [opt]
frame #23: 0x000000010094b1bb mono`mono_runtime_delegate_try_invoke [inlined] mono_runtime_invoke_checked(params=<unavailable>, error=<unavailable>) at object.c:3177:9 [opt]
frame #24: 0x000000010094b1b3 mono`mono_runtime_delegate_try_invoke(delegate=0x00000001010763f0, params=0x000070000e1feec8, exc=0x0000000000000000, error=0x000070000e1fee60) at object.c:4339 [opt]
frame #25: 0x000000010096fe0e mono`start_wrapper at threads.c:1186:3 [opt]
frame #26: 0x000000010096fd53 mono`start_wrapper(data=0x00007fbbf6ca1bd0) at threads.c:1238 [opt]
frame #27: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #28: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #29: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
thread #8, name = 'tid_a703'
frame #0: 0x00007fff7cd1786a libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff7cdd65a1 libsystem_pthread.dylib`_pthread_cond_wait + 773
frame #2: 0x0000000100a27024 mono`mono_os_cond_timedwait(cond=0x0000000100b30140, mutex=0x0000000100b30100, timeout_ms=500) at mono-os-mutex.c:44:8 [opt]
frame #3: 0x0000000100a32661 mono`mono_thread_info_sleep at mono-coop-mutex.h:100:8 [opt]
frame #4: 0x0000000100a32632 mono`mono_thread_info_sleep [inlined] sleep_interruptable(ms=<unavailable>, alerted=<unavailable>) at mono-threads.c:1612 [opt]
frame #5: 0x0000000100a325e7 mono`mono_thread_info_sleep(ms=<unavailable>, alerted=<unavailable>) at mono-threads.c:1644 [opt]
frame #6: 0x00000001008a81c3 mono`monitor_thread(unused=<unavailable>) at threadpool-worker-default.c:708:8 [opt]
frame #7: 0x000000010096fde3 mono`start_wrapper [inlined] start_wrapper_internal at threads.c:1178:3 [opt]
frame #8: 0x000000010096fd53 mono`start_wrapper(data=0x00007fbbe6c3c4a0) at threads.c:1238 [opt]
frame #9: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #10: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #11: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
thread #9, name = 'Thread Pool Worker'
frame #0: 0x00007fff7cd1427e libsystem_kernel.dylib`semaphore_timedwait_trap + 10
frame #1: 0x00000001008a878e mono`worker_thread [inlined] mono_os_sem_timedwait(flags=MONO_SEM_FLAGS_ALERTABLE) at mono-os-semaphore.h:118:8 [opt]
frame #2: 0x00000001008a871f mono`worker_thread at mono-coop-semaphore.h:55 [opt]
frame #3: 0x00000001008a8705 mono`worker_thread at threadpool-worker-default.c:391 [opt]
frame #4: 0x00000001008a8611 mono`worker_thread(unused=<unavailable>) at threadpool-worker-default.c:490 [opt]
frame #5: 0x000000010096fde3 mono`start_wrapper [inlined] start_wrapper_internal at threads.c:1178:3 [opt]
frame #6: 0x000000010096fd53 mono`start_wrapper(data=0x00007fbbf6ca45d0) at threads.c:1238 [opt]
frame #7: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #8: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #9: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
thread #10, name = 'Thread Pool Worker'
frame #0: 0x00007fff7cd1427e libsystem_kernel.dylib`semaphore_timedwait_trap + 10
frame #1: 0x00000001008a878e mono`worker_thread [inlined] mono_os_sem_timedwait(flags=MONO_SEM_FLAGS_ALERTABLE) at mono-os-semaphore.h:118:8 [opt]
frame #2: 0x00000001008a871f mono`worker_thread at mono-coop-semaphore.h:55 [opt]
frame #3: 0x00000001008a8705 mono`worker_thread at threadpool-worker-default.c:391 [opt]
frame #4: 0x00000001008a8611 mono`worker_thread(unused=<unavailable>) at threadpool-worker-default.c:490 [opt]
frame #5: 0x000000010096fde3 mono`start_wrapper [inlined] start_wrapper_internal at threads.c:1178:3 [opt]
frame #6: 0x000000010096fd53 mono`start_wrapper(data=0x00007fbbe6d1f960) at threads.c:1238 [opt]
frame #7: 0x00007fff7cdd32eb libsystem_pthread.dylib`_pthread_body + 126
frame #8: 0x00007fff7cdd6249 libsystem_pthread.dylib`_pthread_start + 66
frame #9: 0x00007fff7cdd240d libsystem_pthread.dylib`thread_start + 13
(lldb) detach
=================================================================
Managed Stacktrace:
=================================================================
at <unknown> <0xffffffff>
at System.Windows.Forms.XplatUICarbon:CGDisplayBounds <0x000bc>
at System.Windows.Forms.XplatUICarbon:get_WorkingArea <0x00072>
at System.Windows.Forms.XplatUICarbon:get_VirtualScreen <0x00043>
at System.Windows.Forms.XplatUI:get_VirtualScreen <0x00048>
at System.Windows.Forms.Screen:.cctor <0x0017a>
at System.Object:runtime_invoke_void <0x000a5>
at <unknown> <0xffffffff>
at System.Windows.Forms.Form:get_CreateParams <0x0062a>
at System.Windows.Forms.Control:CreateHandle <0x0009e>
at System.Windows.Forms.Form:CreateHandle <0x00052>
at System.Windows.Forms.Control:CreateControl <0x000c6>
at System.Windows.Forms.Control:SetVisibleCore <0x00112>
at System.Windows.Forms.Form:SetVisibleCore <0x0024a>
at System.Windows.Forms.Control:set_Visible <0x00052>
at System.Windows.Forms.Control:Show <0x00042>
at System.Windows.Forms.Control:Show <0x000a2>
at Fiddler.frmViewer:‹• <0x0028a>
at Fiddler.frmViewer:‡• <0x000d2>
at <Module>:runtime_invoke_void_object <0x000b0>
=================================================================
(lldb) quit
Abort trap: 6