AMD EPYC Rome support in Ubuntu Server

The second generation of AMD EPYC central processing unit (CPU), codenamed Rome, provides outstanding performance and “hardened at the code” security. It was launched in 2019 and has already been widely adopted.

Support for AMD EPYC Rome has been merged to the Linux kernel starting with 5.4 series. Therefore, all Ubuntu releases with 5.4 kernel installed support this CPU and all its new features. However, Canonical has also backported basic support for AMD EPYC Rome to older LTS releases to ensure they will work properly on this new CPU.

As a result, Ubuntu Server provides support for AMD EPYC Rome in the following kernels:

Ubuntu Server releaseKernel version
Xenial 16.04Kernel 4.15.0-1051 or newer
Bionic 18.04Kernel 4.18.0-1017 or newer (including all 5.0+)
Disco 19.04Kernel 5.0+
Eoan 19.10Kernel 5.3+
Focal 20.04All kernels

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