You're almost there! Please answer a few more questions for access to the Applications content. Complete registration
Interested in joining? Complete your registration by providing Areas of Interest here. Register
Note!! Please register for a free account to access the full content and also to participate in Q&A in the community

OCI: Cloned Instance Fails to Boot with Error: “Failed to start udev kernel Device Manager”

edited Jun 20, 2025 1:32PM in Linux

Note!! Please register a free account to access the full content and also to participate in Q&A in the community

Applies To:

Oracle Cloud Infrastructure - Version N/A and later

Linux x86-64

Symptoms:

An instance with a large memory like 512GB is configured with around 220GB HugePages. The boot volume backup is taken for this instance and a new instance is created with 16GB memory from this backup.

The new instance is created only to test if the instance can be restored from the backup in case the instance become inaccessible.

The new instance fails to boot with error

Tagged:

Howdy, Stranger!

Log In

To view full details, sign in.

Register

Don't have an account? Click here to get started!