v1.4.1

firecracker-microvm/firecrackerv1.4.1Aug 9, 2023by wearyzen

AI Summary

A patch release correcting CPU template configuration issues and host string normalization that were causing failures on external instances.

Key Highlights

  • Fixed host brand string normalization behavior.
  • Fixed T2A CPU template to correctly unset MMX and FXSR bits.
  • Fixed T2A CPU template to set the RstrFpErrPtrs bit.

Full Release Notes

Fixed

* Fixed a change in behavior of normalize host brand string that breaks
  Firecracker on external instances.
* Fixed the T2A CPU template not to unset the MMX bit (CPUID.80000001h:EDX[23])
  and the FXSR bit (CPUID.80000001h:EDX[24]).
* Fixed the T2A CPU template to set the RstrFpErrPtrs bit
  (CPUID.80000008h:EBX[2]).