Hyper-V Gen 2

[mhiroaki]

Hello there.
I am meeting the same problem.
I found Hyper-V VMM watchdog timeout Error log.
It seems that this error is caused by efix86_cpu_nap() in src/arch/x86/interface/efi/efix86_nap.c(by printf debugging!).

Code:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Hyper-V-Chipset" Guid="{DE9BA731-7F33-4F44-98C9-6CAC856B9F83}" />
    <EventID>18600</EventID>
    <Version>0</Version>
    <Level>1</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2017-06-08T12:42:52.954069100Z" />
    <EventRecordID>10122</EventRecordID>
    <Correlation />
    <Execution ProcessID="14284" ThreadID="4964" />
    <Channel>Microsoft-Windows-Hyper-V-Worker-Admin</Channel>
    <Computer>foobar-desktop</Computer>
    <Security UserID="S-1-5-83-1-2864687803-1288913492-2153597110-3744186609" />
  </System>
  <UserData>
    <VmlEventLog xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
      <VmName>testee</VmName>
      <VmId>AABFAABB-4254-4CD3-B648-5D80F1C02BDF</VmId>
    </VmlEventLog>
  </UserData>
</Event>