Issues

• [Bug] acpi_tables: Path::append_aml_bytes panics for paths with 256 or more name segments

  firecracker-microvm/firecracker#6403 · Filter by author feliperodri opened on Nov 6, 2026
  1

• [Feature Request] Map memory-file holes anonymously on a File snapshot restore so huge_pages: Transparent takes effect

  firecracker-microvm/firecracker#6395 · Filter by author 1stvamp opened on Nov 6, 2026

• [Feature Request] aarch64: add 64k page size guest kernel builds

  firecracker-microvm/firecracker#6386 · Filter by author jodh-nvidia opened on Nov 5, 2026

• [Bug] "cpu-template-helper fingerprint dump" fails on ARM64 due to missing "bios_release" sysfs file

  firecracker-microvm/firecracker#6383 · Filter by author jodh-nvidia opened on Nov 5, 2026

• [Feature Request] 64k page size support on aarch64

  firecracker-microvm/firecracker#6381 · Filter by author jodh-nvidia opened on Nov 5, 2026
  1

• Support UFFD minor-fault (UFFDIO_CONTINUE) registration against shared guest memory to share pages across microVMs resumed from the same snapshot

  firecracker-microvm/firecracker#6380 · Filter by author AdaAibaby opened on Nov 5, 2026

• [Bug] ACPI kernel-policy note contradicts supported VirtIO PCI devices

  firecracker-microvm/firecracker#6379 · Filter by author coygeek opened on Nov 5, 2026

• [Feature] virtio-net multiqueue support

  Roadmap: TrackedStatus: WIPType: Enhancement
  Feature

  firecracker-microvm/firecracker#6352 · Filter by author giammirove-aws opened on Oct 29, 2026
  

• [Bug] PATCH /drives on a vhost-user block device blocks the VMM thread until the backend replies

  Status: ParkedType: Enhancement
  Feature

  firecracker-microvm/firecracker#6324 · Filter by author Timer opened on Oct 21, 2026
  1

  

• [Bug] Snapshot restore: VMGenID/VMClock notification reaches the 8259 PIC before GSI routes are installed (guest #BR panic)

  Status: WIPType: Bug
  firecracker-microvm/firecracker#6319 · Filter by author ManuelFCastillo opened on Oct 20, 2026
  2

  

• [Feature Request] Emit KVM binary stats (KVM_GET_STATS_FD) per vCPU as part of metrics

  Status: Awaiting author
  firecracker-microvm/firecracker#6288 · Filter by author lisasgoh opened on Oct 15, 2026
  1

  

• Define how Firecracker handles a failed virtio device reset

  Status: Parked
  Feature

  firecracker-microvm/firecracker#6281 · Filter by author zulinx86 opened on Oct 14, 2026
  3

• Propagate device reset to the vhost-user-blk backend

  Status: Parked
  Feature

  firecracker-microvm/firecracker#6277 · Filter by author zulinx86 opened on Oct 14, 2026
  2

• SharedMemfd memory backend

  Roadmap: Tracked
  firecracker-microvm/firecracker#6270 · Filter by author marco-marangoni opened on Oct 13, 2026
  

• [Bug] vCPU replies get out of sync after one pause times out, and pause/resume/snapshot fail permanently

  Status: Awaiting assignee
  firecracker-microvm/firecracker#6265 · Filter by author anatolebeuzon opened on Oct 12, 2026
  

• [Bug] Failure when setting up memory hotplugging

  Status: Awaiting author
  firecracker-microvm/firecracker#6255 · Filter by author AntonOellerer opened on Oct 2, 2026
  5

  

• [Feature] virtio-block multiqueue support

  Roadmap: TrackedStatus: WIPType: Enhancement
  Feature

  firecracker-microvm/firecracker#6240 · Filter by author PierreBertholom opened on Sep 24, 2026
  

• FR: Publish .asc files for releases

  Status: Awaiting assigneeType: Enhancement
  Feature

  firecracker-microvm/firecracker#6117 · Filter by author himanshu-mahendra-jain opened on Aug 16, 2026
  3

  

• [Feature Request] Support hugetlbfs memory files for snapshot creation and file-backed restore

  Status: WIPType: Enhancement
  firecracker-microvm/firecracker#6099 · Filter by author lisasgoh opened on Aug 7, 2026
  6

  

• [Feature Request] Host-side guest vmcore dump on kernel panic (pvpanic)

  Status: Awaiting author
  firecracker-microvm/firecracker#6067 · Filter by author StepY1aoZz opened on Jul 29, 2026
  5

  

• [Feature Request] Support non-seekable file descriptors (e.g. FIFOs) for snapshot memory output

  Status: Awaiting authorType: Enhancement
  firecracker-microvm/firecracker#6030 · Filter by author kevin-oliveira-zocdoc opened on Jul 14, 2026
  3

  

• Allow MAP_SHARED for snapshot-restore mem_backend (cooperative-snapshot tooling)

  Status: Awaiting review
  firecracker-microvm/firecracker#5912 · Filter by author WaylandYang opened on May 25, 2026
  1

  

• [Feature Request] Userspace networking (passt/slirp)

  Status: Awaiting authorStatus: Parked
  firecracker-microvm/firecracker#5816 · Filter by author aerosouund opened on Apr 7, 2026
  6

• [Feature Request] Block-level copy-on-write overlay with dirty bitmap tracking for fast VM cloning and reset

  Status: Awaiting assigneeStatus: Awaiting authorType: Enhancement
  firecracker-microvm/firecracker#5795 · Filter by author meAmitPatil opened on Mar 25, 2026
  4

  

• MicroVM hangs during SMP boot with ≥16 vCPUs on dual-socket NUMA hosts

  Status: Awaiting author
  firecracker-microvm/firecracker#5744 · Filter by author daGoattttt-mehhh opened on Mar 9, 2026
  36