Triple fault in event log shows reset of Linux virtual machines
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Applies to: Hyper-V Server 2008Windows Server 2008 DatacenterWindows Server 2008 EnterpriseWindows Server 2008 for Itanium-Based SystemsWindows Server 2008 Service Pack 2Microsoft Hyper-V Server 2008 R2Windows Server 2008 R2 DatacenterWindows Server 2008 R2 EnterpriseWindows Server 2008 R2 for Itanium-Based SystemsWindows Server 2008 R2 Service Pack 1More
On a Windows Server 2008 or Windows Server 2008 R2 Hyper-V host, the following event is logged, indicating that the virtual machine was reset during an operation that was not supported by Hyper-V:
This is a standard Linux function, and it can be safely ignored.
There is no issue. When all the processes are shut down in Linux, Linux issues a triple fault to the hardware to reboot the system. This behavior is by design in Linux.
All Linux variants that are supported in Hyper-V may log the error event that is mentioned in this article. This behavior occurs regardless of what version of Linux Integration Services is installed.