Patent ID: 9229820
Filing Date: 2016-01-05
CPC Classification: G06F

Claim Text:
1. An information processing device, comprising: a memory; a processor which operates a virtual machine, an operating system which is executed on the virtual machine, and a hypervisor which controls the virtual machine by executing a program stored on the memory; and a control unit which controls a system including the memory and the processor, wherein the processor stops the operating system when detecting an error of the hypervisor; notifies the control unit of a first memory area used by the hypervisor; stops the hypervisor; changes a memory area used by the hypervisor into a second memory area different from the first memory area notified by the control unit; starts the hypervisor using the second memory area as an available area; starts the operating system, and resumes an application program which is operated on the operating system; and reads data in the first memory area, and writes the data to a file as a dump file of the hypervisor.