Triple fault in event log shows reset of Linux virtual machines


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.

More Information

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.

Article ID: 2711608 - Last Review: 5 Jun 2012 - Revision: 1