microsoft / microsoft/vscode-cpptools

cpptools-srv.exe using huge amounts of memory

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#6,293 5 comentarios 0 reacciones 1 asignado Ver en GitHub

@Colengms ya está trabajando en esto.

Desde el 29/10/2020.

bug investigate: repro Language Service
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Descripción

I caught an occurrence of the (internal) Win x64 build of cpptools essentially hanging and cpptools-srv.exe skyrocketing to 32 GB. It seems to linger around 8G for a while, then shoot to 32G, fast. It looks like it was processing a handle_completion. It's possible this is the same issue users have reported on Linux and Mac (which are 64-bit).

All stacks from cpptools-srv.exe 


>Debug.ListCallStack /AllThreads
Callstack for Thread 1 (Thread Id: 33048 (0x8118)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForSingleObject()
 2      KernelBase.dll!WaitForSingleObjectEx()
 3      KernelBase.dll!GetOverlappedResult()
 4      cpptools-srv.exe!read_pipe_sync(void *,unsigned long,void *)
 5      cpptools-srv.exe!comm_pipe_win32::read(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)
 6      cpptools-srv.exe!comm_server::wait_for_requests(void)
 7      cpptools-srv.exe!main()
 8      cpptools-srv.exe!__scrt_common_main_seh()
 9      kernel32.dll!BaseThreadInitThunk()
 10     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 2 (Thread Id: 20688 (0x50d0)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 3 (Thread Id: 34332 (0x861c)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 4 (Thread Id: 47800 (0xbab8)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 5 (Thread Id: 19976 (0x4e08)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 6 (Thread Id: 59520 (0xe880)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 7 (Thread Id: 63880 (0xf988)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 8 (Thread Id: 63836 (0xf95c)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 9 (Thread Id: 41160 (0xa0c8)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 10 (Thread Id: 36444 (0x8e5c)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 11 (Thread Id: 35608 (0x8b18)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 12 (Thread Id: 23768 (0x5cd8)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 13 (Thread Id: 52708 (0xcde4)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 14 (Thread Id: 57000 (0xdea8)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 15 (Thread Id: 27688 (0x6c28)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 16 (Thread Id: 63616 (0xf880)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 17 (Thread Id: 43676 (0xaa9c)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 18 (Thread Id: 21552 (0x5430)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 19 (Thread Id: 19388 (0x4bbc)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 20 (Thread Id: 31544 (0x7b38)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 21 (Thread Id: 55632 (0xd950)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 22 (Thread Id: 36352 (0x8e00)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 23 (Thread Id: 56452 (0xdc84)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 24 (Thread Id: 28788 (0x7074)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 25 (Thread Id: 38504 (0x9668)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 26 (Thread Id: 55628 (0xd94c)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 27 (Thread Id: 59160 (0xe718)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 28 (Thread Id: 42532 (0xa624)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 29 (Thread Id: 36000 (0x8ca0)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 30 (Thread Id: 5824 (0x16c0)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 31 (Thread Id: 62872 (0xf598)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 32 (Thread Id: 30084 (0x7584)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!msvc::bitset_event_t::wait_any_set(unsigned int)
 8      cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 9      cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 10     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 11     kernel32.dll!BaseThreadInitThunk()
 12     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 33 (Thread Id: 49184 (0xc020)):
 Index  Function
--------------------------------------------------------------------------------
*1      cpptools-srv.exe!memset()
 2      cpptools-srv.exe!msvc::memory_arena_t::allocate(unsigned __int64,bool)
 3      cpptools-srv.exe!std::vector<struct edge::symbol *,class an_edge_stl_il_allocator<struct edge::symbol *> >::_Emplace_reallocate<struct edge::symbol * const &>(struct edge::symbol * * const,struct edge::symbol * const &)
 4      cpptools-srv.exe!edge::scope_entry::compute_types(void)
 5      cpptools-srv.exe!edge::scope_entry::ensure_types(void)
 6      cpptools-srv.exe!get_immediate_members_of_scope()
 7      cpptools-srv.exe!get_namespace_scope_members()
 8      cpptools-srv.exe!get_scope_member_list()
 9      cpptools-srv.exe!edge::intellisense_operation::get_auto_complete_members(class edge::member_selection_entry * &,class edge::scope_entry * &,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,enum edge::intellisense_operation::member_list_kind,bool,bool &,bool &,bool &)
 10     cpptools-srv.exe!edge::intellisense_operation::get_auto_complete_members(class edge::member_selection_entry * &,class edge::scope_entry * &,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,struct edge::list<struct edge::symbol *> *,enum edge::intellisense_operation::member_list_kind)
 11     cpptools-srv.exe!<lambda_a331186ae4c0363e6ef458d452c3abfd>::operator()(class edge::intellisense_operation &,bool &)
 12     cpptools-srv.exe!edge_intellisense_operation::perform_isense_operation_helper<bool>(char const *,class edge::intellisense_operation &,struct microsoft::cpp::intellisense::DocumentPosition const &,class std::function<void >,bool &,struct edge::allocator *,struct snapshot::snapshot_session_t)
 13     cpptools-srv.exe!edge_intellisense_operation::perform_isense_operation<bool>(char const *,struct microsoft::cpp::intellisense::DocumentPosition const &,class std::function<void >,bool &,struct snapshot::snapshot_session_t,bool,struct edge::allocator *)
 14     cpptools-srv.exe!edge_intellisense_server_impl::handle_completion(struct microsoft::cpp::intellisense::CompletionRequest const &)
 15     cpptools-srv.exe!work_queue::worker_proc(void)
 16     cpptools-srv.exe!std::_Func_impl_no_alloc<<lambda_e7ebccb63a97c3b180c583b86177616e>,void>::_Do_call()
 17     cpptools-srv.exe!msvc::thread_pool::do_work(unsigned __int64)
 18     cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_b5e45cde084c1fbae431fb53a67579f3> >,0>(void *)
 19     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 20     kernel32.dll!BaseThreadInitThunk()
 21     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 34 (Thread Id: 29900 (0x74cc)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait_for(class Concurrency::details::stl_critical_section_interface *,unsigned int)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!std::condition_variable::_Wait_until1<struct std::chrono::steady_clock,class std::chrono::duration<__int64,struct std::ratio<1,1000000000> >,class <lambda_028d8776b087a33b50391e977106e9d5> >(class std::unique_lock<class std::mutex> &,class std::chrono::time_point<struct std::chrono::steady_clock,class std::chrono::duration<__int64,struct std::ratio<1,1000000000> > > const &,class <lambda_028d8776b087a33b50391e977106e9d5> &)
 8      cpptools-srv.exe!std::condition_variable::wait_for<__int64,struct std::ratio<1,1000>,class <lambda_028d8776b087a33b50391e977106e9d5> >(class std::unique_lock<class std::mutex> &,class std::chrono::duration<__int64,struct std::ratio<1,1000> > const &,class <lambda_028d8776b087a33b50391e977106e9d5>)
 9      cpptools-srv.exe!msvc::bitset_event_t::wait_for_any_set<__int64,struct std::ratio<1,1000> >(class std::chrono::duration<__int64,struct std::ratio<1,1000> > const &,unsigned int)
 10     cpptools-srv.exe!std::thread::_Invoke<class std::tuple<class <lambda_727181be9e66f5f3968de8ced1290025> >,0>(void *)
 11     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 12     kernel32.dll!BaseThreadInitThunk()
 13     ntdll.dll!RtlUserThreadStart()

Callstack for Thread 35 (Thread Id: 6624 (0x19e0)):
 Index  Function
--------------------------------------------------------------------------------
 1      ntdll.dll!NtWaitForAlertByThreadId()
 2      ntdll.dll!RtlSleepConditionVariableSRW()
 3      KernelBase.dll!SleepConditionVariableSRW()
 4      cpptools-srv.exe!__crtSleepConditionVariableSRW()
 5      cpptools-srv.exe!Concurrency::details::stl_condition_variable_win7::wait(class Concurrency::details::stl_critical_section_interface *)
 6      cpptools-srv.exe!do_wait()
 7      cpptools-srv.exe!a_compiler_thread::wait_for_event_with_check(bool &)
 8      cpptools-srv.exe!compile_fragment()
 9      cpptools-srv.exe!before_tu_wrapup(void)
 10     cpptools-srv.exe!process_translation_unit(char const *,int,struct an_exported_template_file *)
 11     cpptools-srv.exe!cfe_main(int,char * * const)
 12     cpptools-srv.exe!cfe_main_exception_handler(int,char * * const)
 13     cpptools-srv.exe!edg_main(int,char * * const)
 14     cpptools-srv.exe!invoke_edge_compiler()
 15     cpptools-srv.exe!edge_compiler_main(int,char const * * const)
 16     cpptools-srv.exe!a_compiler_thread::compiler_thread_routine(class a_compiler_thread *)
 17     cpptools-srv.exe!std::thread::_Invoke<class std::tuple<void (*)(class a_compiler_thread *),class a_compiler_thread *>,0,1>(void *)
 18     cpptools-srv.exe!thread_start<unsigned int (__cdecl*)(void *),1>()
 19     kernel32.dll!BaseThreadInitThunk()
 20     ntdll.dll!RtlUserThreadStart()

Unfortunately, I wasn't able to get symbols to resolve in the debugger. I have a crash dump, but it's 34G.

I let it continue while attached to the debugger, which led to a fatal unhandled exception at about 38G.

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