On 03/25/2015 10:15 PM, Rui Chen wrote:
I found a discuss about the libvirt shutdown API maybe hang when shutdown
instance in libvirt community,
I'm not sure that whether there are some risks when we shutdown instance in
1. Whether acpi is the default shutdown mode in QEMU/KVM hypervisor when we
shutdown instance using libvirt?
2. Whether acpi is asynchronous mode, and qemu-agent is synchronous mode
when we shutdown instance?
3. If the hypervisor use qemu-agent as default shutdown mode, how we can
deal the hanging issue?
When shutting down an instance if there is a timeout (controlled by config file
or system metadata) the code will first attempt a clean shutdown via
dom.shutdown(). If that doesn't terminate the instance by the time the timeout
expires, then we'll call virt_dom.destroy().
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