Patent ID: 9268591
Filing Date: 2016-02-23
CPC Classification: G06F

Claim Text:
1. A virtual machine host comprising: a virtual machine that includes a guest operating system (OS); a detector module capable of detecting a system exception in the guest OS, the system exception being a crash of the guest OS, and wherein the detector module executes within the guest OS and is capable of executing within the guest OS after the system exception has occurred; and a hypervisor comprising a query module, the query module configured to determine a current status of the guest OS by receiving a guest OS status message from the detector module, wherein the guest OS status message includes a system exception indicator, the query module further configured to transmit a system exception information request message to the detector module after receiving the guest OS status message that includes the system exception indicator, and in response to the system exception information request message, receive, from the detector module, system exception information collected by the detector module.