Microsoft has released a hotfix for when a cross-page memory read or write operation crashes virtual machine that runs on 64-bit Windows 8-based or Windows Server 2012-based Hyper-V host.
Assume that you install a Windows system virtual machine on a Hyper-V host that runs 64-bit Windows 8 or Windows Server 2012. You have an application that runs on the virtual machine. This application performs memory read or write operation that touches MMIO (Memory Mapped Input Output) region. The operation crosses page boundary. In this situation, the virtual machine crashes.
A hotfix is available to prevent this problem.
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