v0.23.4

firecracker-microvm/firecrackerv0.23.4May 25, 2021by alindima

AI Summary

This update improves snapshot reliability and fixes a race condition in VCPU threads, alongside the migration of Docker images to Amazon ECR.

Key Highlights

Migration of Docker images to Amazon ECR
Fixed race between vcpu initialization and emulation thread
Fixed snapshot related host files flushing

Breaking Changes

Changed Docker images repository from DockerHub to Amazon ECR

Full Release Notes

### Changed

- Changed Docker images repository from DockerHub to Amazon ECR.

### Fixed

- Snapshot related host files (vm-state, memory, block backing files) are now
  flushed to their backing mediums as part of the CreateSnapshot operation.
- Fixed race between vcpu initialization and emulation thread which could
  potentially lead to segmentation faults.
- Fixed the SSBD mitigation not being enabled on `aarch64` with the provided
  `prod-host-setup.md`, by force-enabling it.