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 later
Linux 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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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)

Applies to:

Symptoms

Changes

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!