I use MM5 on my Windows desktop, which is accessed, 99% of the time via macOS RDP client. Very often, upon reconnecting, MM would be unresponsive. That is, entirely black screen (no controls or text drawn). I can select or unselect the app from the taskbar tray, but cannot close it from there: the only way to get out of this state is to kill it from Process Explorer.
In this state, the process seems to have a bunch of active threads, but nothing above 2% CPU. The following thread seems steady at 2%:
Code: Select all
ntoskrnl.exe!KeSynchronizeExecution+0x67a6
ntoskrnl.exe!KeLowerIrql+0x16d7
ntoskrnl.exe!KeLowerIrql+0x3589
ntoskrnl.exe!KeWaitForSingleObject+0x234
ntoskrnl.exe!KeQuerySystemTimePrecise+0x131b
ntoskrnl.exe!RtlFindClearBits+0x1634
ntoskrnl.exe!KeLowerIrql+0x1c66
ntoskrnl.exe!KeLowerIrql+0x3589
ntoskrnl.exe!KeWaitForSingleObject+0x234
ntoskrnl.exe!KeWaitForMultipleObjects+0x540
ntoskrnl.exe!ObWaitForMultipleObjects+0x2d5
win32kfull.sys!+0x22e
win32kfull.sys!_PostMessage+0x446
win32k.sys!EngSaveFloatingPointState+0x2d60
ntoskrnl.exe!_setjmpex+0x7f55
wow64win.dll+0x1ac04
wow64win.dll+0x5da0
wow64.dll!Wow64SystemServiceEx+0x15a
wow64cpu.dll!TurboDispatchJumpAddressEnd+0xb
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x5c6
wow64.dll!Wow64KiUserCallbackDispatcher+0x66d
wow64.dll!Wow64LdrpInitialize+0x12d
ntdll.dll!LdrInitShimEngineDynamic+0x309b
ntdll.dll!RtlNotifyFeatureUsage+0x1cb1a
ntdll.dll!LdrInitializeThunk+0xe3
ntdll.dll!LdrInitializeThunk+0xe
0x0000000000000000
Code: Select all
ntoskrnl.exe!KeSynchronizeExecution+0x67a6
ntoskrnl.exe!KeLowerIrql+0x16d7
ntoskrnl.exe!KeLowerIrql+0x3589
ntoskrnl.exe!KeWaitForSingleObject+0x234
ntoskrnl.exe!KeQuerySystemTimePrecise+0x131b
ntoskrnl.exe!RtlFindClearBits+0x1634
ntoskrnl.exe!KeLowerIrql+0x1c66
ntoskrnl.exe!KeLowerIrql+0x3589
ntoskrnl.exe!KeWaitForSingleObject+0x234
ntoskrnl.exe!KeWaitForMultipleObjects+0x540
ntoskrnl.exe!ObWaitForMultipleObjects+0x2d5
win32kfull.sys!+0x22e
win32kfull.sys!_PostMessage+0x446
win32k.sys!EngSaveFloatingPointState+0x2d60
ntoskrnl.exe!_setjmpex+0x7f55
wow64win.dll+0x1ac04
wow64win.dll+0x5da0
wow64.dll!Wow64SystemServiceEx+0x15a
wow64cpu.dll!TurboDispatchJumpAddressEnd+0xb
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x5c6
wow64.dll!Wow64KiUserCallbackDispatcher+0x66d
wow64.dll!Wow64LdrpInitialize+0x12d
ntdll.dll!LdrInitializeThunk+0x1f8
ntdll.dll!LdrInitializeThunk+0xe3
ntdll.dll!LdrInitializeThunk+0xe
0x0000000000000000