firecracker · Issues· 95 open
Open on GitHubLocally synced open issues (discussions stay on GitHub)
- #5744
MicroVM hangs during SMP boot with ≥16 vCPUs on dual-socket NUMA hosts
Status: Awaiting authorUpdated Sep 14, 2026 - #6212
[Bug] Rate limiter can permanently stall on sub-millisecond refill
Updated Sep 14, 2026 - #6030
[Feature Request] Support non-seekable file descriptors (e.g. FIFOs) for snapshot memory output
Type: EnhancementStatus: Awaiting authorUpdated Sep 14, 2026 - #5795
[Feature Request] Block-level copy-on-write overlay with dirty bitmap tracking for fast VM cloning and reset
Type: EnhancementStatus: Awaiting assigneeUpdated Sep 9, 2026 - #5740
[Feature Request] Asynchronous On-demand FD-passing for virtio-pmem via userfaultfd
Status: Awaiting assigneeUpdated Sep 9, 2026 - #4874
[Feature Request] Migrate networking documentation to nftables
Status: ParkedUpdated Sep 9, 2026 - #2046
AArch64: graceful power-off from external
Priority: LowType: EnhancementStatus: ParkedUpdated Sep 9, 2026 - #6117
FR: Publish .asc files for releases
Type: EnhancementStatus: Awaiting assigneeUpdated Sep 9, 2026 - #5513
[Feature Request] Use landlock for sandboxing VM process
Priority: LowStatus: ParkedUpdated Sep 6, 2026 - #6167
bug: discard_range() silently fails to free physical memory for memfd-backed (MAP_SHARED) guest regions
Status: Awaiting assigneeUpdated Sep 2, 2026 - #5816
[Feature Request] Userspace networking (passt/slirp)
Status: Awaiting authorStatus: ParkedUpdated Aug 26, 2026 - #6074
[Bug] vsock: 100% CPU main-loop livelock and hung connections after Resume with in-flight traffic (v1.16.x, EVENT_IDX)
Status: Awaiting releaseUpdated Aug 26, 2026 - #6099
[Feature Request] Support hugetlbfs memory files for snapshot creation and file-backed restore
Type: EnhancementStatus: WIPUpdated Aug 19, 2026 - #5912
Allow MAP_SHARED for snapshot-restore mem_backend (cooperative-snapshot tooling)
Status: Awaiting reviewUpdated Aug 12, 2026 - #6067
[Feature Request] Host-side guest vmcore dump on kernel panic (pvpanic)
Status: Awaiting authorUpdated Aug 12, 2026