Oracle Linux 9: KVM VM Fails to Start with Error "qemu-kvm: unable to map backing store for guest RAM: Cannot allocate memory" Using Hugepages Memory
(Doc ID 3000478.1)
Last updated on JANUARY 28, 2024
Applies to:
Linux OS - Version Oracle Linux 9.0 and laterLinux x86-64
Symptoms
On : Oracle Linux 9.0 version, KVM
KVM guest fails to start with below error. The VM configured to use RAM from hugepages memory. The VM fails to start when the allocated memory is more than 64 GB even though there is enough memory available through hugepages.
Changes
Cause
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