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macOS Ventura 13.4 (22F66)

Skype UI freezing after long run or after hibernate. Cleaning and reinstalling Skype app not fix issue. Second clean reinstall macOS have not fixed this issue.

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  • It’s likely a bug. File a report with Microsoft
    – Allan
    Commented Jun 6, 2023 at 12:20

2 Answers 2

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It's apparently a known issue (according to Apple, but Microsoft haven't admitted this), but has been going on for 6+ months and Microsoft don't appear to be interested in solving it.

I've reported it as an issue in the insider builds 10+ times over the last 6 months and made some detailed reports, but haven't got any response.

See threads like this: https://answers.microsoft.com/en-us/skype/forum/all/issue-with-skype-freezing-on-m2-macbook-pro-after/bff687a4-2242-42bf-b1d5-290931c6520a

The latest case I ran into, taking a sample with activity monitor it seems like it's deadlocking the main/UI thread in an observer within libRtmMediaStack when trying to make a cross-process call.

Call graph:
    2424 Thread_877103   DispatchQueue_1: com.apple.main-thread  (serial)
    + 2424 start  (in dyld) + 2236  [0x19c8fbf28]
    +   2424 ???  (in Skype Helper (Renderer))  load address 0x10478c000 + 0x960  [0x10478c960]
    +     2424 ElectronMain  (in Electron Framework) + 128  [0x113cdf18c]
    +       2424 v8::internal::compiler::BasicBlock::set_loop_header(v8::internal::compiler::BasicBlock*)  (in Electron Framework) + 12484  [0x113f5b1e8]
    +         2424 v8::internal::compiler::BasicBlock::set_loop_header(v8::internal::compiler::BasicBlock*)  (in Electron Framework) + 11256  [0x113f5ad1c]
    +           2424 v8::internal::compiler::BasicBlock::set_loop_header(v8::internal::compiler::BasicBlock*)  (in Electron Framework) + 16396  [0x113f5c130]
    +             2424 v8::internal::compiler::BasicBlock::set_loop_header(v8::internal::compiler::BasicBlock*)  (in Electron Framework) + 14120  [0x113f5b84c]
    +               2424 v8::internal::SetupIsolateDelegate::SetupHeap(v8::internal::Heap*)  (in Electron Framework) + 27772104  [0x11774e874]
    +                 2424 v8::internal::SetupIsolateDelegate::SetupHeap(v8::internal::Heap*)  (in Electron Framework) + 4964396  [0x11618e3d8]
    +                   2424 v8::internal::SetupIsolateDelegate::SetupHeap(v8::internal::Heap*)  (in Electron Framework) + 5163756  [0x1161bee98]
    +                     2424 v8::internal::SetupIsolateDelegate::SetupHeap(v8::internal::Heap*)  (in Electron Framework) + 5394784  [0x1161f750c]
    +                       2424 v8::internal::SetupIsolateDelegate::SetupHeap(v8::internal::Heap*)  (in Electron Framework) + 5399852  [0x1161f88d8]
    +                         2424 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]  (in Foundation) + 212  [0x19dca9fcc]
    +                           2424 CFRunLoopRunSpecific  (in CoreFoundation) + 612  [0x19cd304b8]
    +                             2424 __CFRunLoopRun  (in CoreFoundation) + 828  [0x19cd30f48]
    +                               2424 __CFRunLoopDoSources0  (in CoreFoundation) + 244  [0x19cd32340]
    +                                 2424 __CFRunLoopDoSource0  (in CoreFoundation) + 176  [0x19cd325d0]
    +                                   2424 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__  (in CoreFoundation) + 28  [0x19cd3263c]
    +                                     2424 __NSThreadPerformPerform  (in Foundation) + 264  [0x19dcc6c64]
    +                                       2424 -[NSNotificationCenter postNotificationName:object:userInfo:]  (in Foundation) + 88  [0x19dc568f4]
    +                                         2424 _CFXNotificationPost  (in CoreFoundation) + 704  [0x19ccf84cc]
    +                                           2424 _CFXRegistrationPost  (in CoreFoundation) + 440  [0x19cdc2e34]
    +                                             2424 ___CFXRegistrationPost_block_invoke  (in CoreFoundation) + 88  [0x19cdc2eec]
    +                                               2424 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__  (in CoreFoundation) + 148  [0x19cd27180]
    +                                                 2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xedf7cc  [0x1246df7cc]
    +                                                   2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xedfa10  [0x1246dfa10]
    +                                                     2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xf08758  [0x124708758]
    +                                                       2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xf09604  [0x124709604]
    +                                                         2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xf09280  [0x124709280]
    +                                                           2424 ???  (in libRtmMediaStack.dylib)  load address 0x123800000 + 0xf03788  [0x124703788]
    +                                                             2424 _NSXPCDistantObjectSimpleMessageSend1  (in Foundation) + 60  [0x19dc709e8]
    +                                                               2424 -[NSXPCConnection _sendSelector:withProxy:arg1:]  (in Foundation) + 116  [0x19dc70ab4]
    +                                                                 2424 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:]  (in Foundation) + 2200  [0x19dc69314]
    +                                                                   2424 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__  (in Foundation) + 16  [0x19dc6b400]
    +                                                                     2424 xpc_connection_send_message_with_reply_sync  (in libxpc.dylib) + 264  [0x19c995c3c]
    +                                                                       2424 dispatch_mach_send_with_result_and_wait_for_reply  (in libdispatch.dylib) + 60  [0x19cabfd88]
    +                                                                         2424 _dispatch_mach_send_and_wait_for_reply  (in libdispatch.dylib) + 548  [0x19cabf9f8]
    +                                                                           2424 mach_msg  (in libsystem_kernel.dylib) + 24  [0x19cc14290]
    +                                                                             2424 mach_msg_overwrite  (in libsystem_kernel.dylib) + 604  [0x19cc1cb78]
    +                                                                               2424 mach_msg2_internal  (in libsystem_kernel.dylib) + 80  [0x19cc26240]
    +                                                                                 2424 mach_msg2_trap  (in libsystem_kernel.dylib) + 8  [0x19cc13f14]
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I had just reinstall 2 macbook air with M1 this week for my boss and I had suffered the same issues Im not sure is the solution is right or not. or just temp solution but it did solved the issue

  1. pmset : I had tried " pmset " to disable the sleep mode . ( pmset -g sleep 0 ) I know this is not a good solution but fine it solved the issue and work well except the battery resource .

  2. Switch skype APP to rosseta mode and then I found that it seems that the SLEEP MODE's operation Mechanism is different between apple sillcon and intelx86
    well ,so I had tried to switch skype APP to rosseta mode and it works but it seems a little bit slow ( might be a illusion) oh ~ skype preview edition for apple sillcon is not work for me
    and its weird skype works fine if I update /upgrade the system to the lasted whenever the system notified me in the same envirement

but if I use the factory seeting (I mean reinstall the whole system ) and then install the skype the skype is not workable

just for your information , cause I had digged everywhere so wish could help someone suffering the same issue

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