ACRN v2.5.1 (Aug 2021)

We are pleased to announce an update release of the Project ACRN hypervisor version 2.5.1. This is a maintenance release based off the v2.5 branch that provides an update with a few bug fixes and support for Trusted Platform Module (TPM) 2.0.

There were no documentation changes in this update, so you can still refer to the v2.5-specific documentation found at https://projectacrn.github.io/2.5/.

See the ACRN v2.5 (Jun 2021) release notes for information about the v2.5 release.

What’s New in v2.5.1

Trusted Platform Module (TPM) 2.0 support

ACRN hypervisor now supports pre-launched VM remote attestation use cases by passing the TPM 2.0 ACPI table provided by the BIOS to the pre-launched VM.

Fixed Issues Details

  • 6305 - Pre-launched Zephyr VM coud not get ACPI table

  • 6334 - Hypervisor console does not support 64-bit bar PCI UART with 32-bit bar space