firecracker-microvm/firecracker

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Secure and fast microVMs for serverless computing.

Stars: 36.7k
Forks: 2.6k
Open beginner issues: 0
Indexed issues: 50
Avg merge: 3d 2h
Merged PRs (30d): 53

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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50 open issues indexed

Investigate epoll performance when IO ratelimiting is in effect Open

Priority: Low Status: Parked Type: Enhancement

firecracker-microvm/firecracker#410 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add documentation for VM dev machine(using free or open source software) Open

Good first issue Priority: Low Status: Parked Type: Documentation

firecracker-microvm/firecracker#1033 · 14 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Devices] Offer support for hardware-accelerated inference in Firecracker Open

Status: Parked Type: Enhancement

firecracker-microvm/firecracker#1179 · 36 comments · 52 reactions · 0 assignees · Indexed Sep 16, 2026
Investigate running the jailer with reduced set of capabilities Open

Good first issue Priority: Low Status: Parked Type: Enhancement

firecracker-microvm/firecracker#1190 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Perf] Implement async IO for the block device using io_uring Open

Roadmap: Tracked

firecracker-microvm/firecracker#1600 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Firecracker doesn't close when running `poweroff` in the guest Open

Priority: Low Status: Parked Type: Bug

firecracker-microvm/firecracker#1601 · 12 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Network] Add support for MacVTap interfaces Open

Roadmap: New Request Status: Parked Type: Enhancement

firecracker-microvm/firecracker#1933 · 18 comments · 6 reactions · 1 assignee · Indexed Sep 16, 2026
AArch64: graceful power-off from external Open

Priority: Low Status: Parked Type: Enhancement

firecracker-microvm/firecracker#2046 · 3 comments · 2 reactions · 1 assignee · Indexed Sep 16, 2026
[Snaps] Incremental (diff) snapshots Open

Roadmap: Tracked

firecracker-microvm/firecracker#2142 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 16, 2026
Use Python generated client in the testing framework Open

python Roadmap: New Request Status: Parked Type: Enhancement

firecracker-microvm/firecracker#2304 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Hot-plug vCPUs Open

Priority: Low Roadmap: New Request Status: Parked

firecracker-microvm/firecracker#2609 · 11 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Unmap/discard/fstrim Open

Good first issue Priority: Medium Roadmap: New Request Status: Parked

firecracker-microvm/firecracker#2708 · 12 comments · 5 reactions · 0 assignees · Indexed Sep 16, 2026
Redesign metrics system with thread-safety in mind Open

Status: Parked Type: Enhancement

firecracker-microvm/firecracker#2899 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Snaps] Extend microVM snapshot compatibility Open

Roadmap: Tracked Type: Enhancement

firecracker-microvm/firecracker#2941 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Create integration test for testing snapshot restore on CPUs with different TSC frequencies. Open

Status: Parked Type: Enhancement

firecracker-microvm/firecracker#2985 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
[Bug] UART has txfifo bug Open

Priority: Low Status: Parked Type: Bug

firecracker-microvm/firecracker#3046 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Use `clippy::as_conversions` Open

Good first issue Priority: Low Status: Parked Type: Fix

firecracker-microvm/firecracker#3161 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] PGO applicability Open

Priority: Low Status: Parked Type: Enhancement

firecracker-microvm/firecracker#3456 · 8 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Trusted Platform Module Support Open

Priority: Low Roadmap: New Request Status: Parked

firecracker-microvm/firecracker#3629 · 5 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
[Snaps] Drive mounts for block device disk paths during snapshot loading Open

Status: Parked

firecracker-microvm/firecracker#4014 · 13 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
vhost-user-blk device (booted VMs) Open

Roadmap: Tracked Type: Enhancement Type: Performance

firecracker-microvm/firecracker#4266 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
vhost-user-blk device (snapshot support) Open

Roadmap: Tracked Type: Enhancement Type: Performance

firecracker-microvm/firecracker#4363 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement a solution for unmapping guest memory from kernel address space Open

Roadmap: Tracked

firecracker-microvm/firecracker#4522 · 0 comments · 3 reactions · 1 assignee · Indexed Sep 16, 2026
Refactoring of devices management Open

Priority: Low Status: Parked Type: Enhancement Type: Fix

firecracker-microvm/firecracker#4542 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Refactor `vmm` builder code to simplify logic that creates the microVM to boot Open

Priority: Low Status: Parked

firecracker-microvm/firecracker#4547 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Core Scheduling Open

Priority: Low Status: Parked

firecracker-microvm/firecracker#4566 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow Running `vmm` Unittests in Parallel Open

Good first issue Priority: Low Status: Parked

firecracker-microvm/firecracker#4709 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Move to OpenAPI / OAS 3.1 Open

Status: Parked Type: Enhancement

firecracker-microvm/firecracker#4751 · 15 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Add SEQPACKET socket type for vsock Open

Priority: Low Status: Parked Type: Enhancement

firecracker-microvm/firecracker#4822 · 7 comments · 3 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Migrate networking documentation to nftables Open

Status: Parked

firecracker-microvm/firecracker#4874 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Snaps] Allow resource renaming during snapshot restore Open

Priority: Low Roadmap: Tracked Type: Enhancement

firecracker-microvm/firecracker#4992 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Use landlock for sandboxing VM process Open

Priority: Low Status: Parked

firecracker-microvm/firecracker#5513 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Enable OpenSSF Scorecard for continuous supply-chain security monitoring Open

Status: Parked

firecracker-microvm/firecracker#5597 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] ELF loader support for physical/virtual KASLR Open

Priority: Low Status: Parked

firecracker-microvm/firecracker#5661 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature] Device hot-plugging Open

Roadmap: Tracked Status: WIP Type: Enhancement

firecracker-microvm/firecracker#5670 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature] VFIO device passthrough support Open

Roadmap: Tracked Status: WIP Type: Enhancement

firecracker-microvm/firecracker#5679 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Generic vhost-user Open

Priority: Low Status: Parked

firecracker-microvm/firecracker#5687 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Phase out support for kernel v5.10 Open

Priority: Medium Roadmap: Tracked Status: Parked

firecracker-microvm/firecracker#5701 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Asynchronous On-demand FD-passing for virtio-pmem via userfaultfd Open

Status: Awaiting assignee

firecracker-microvm/firecracker#5740 · 8 comments · 2 reactions · 1 assignee · Indexed Sep 16, 2026
MicroVM hangs during SMP boot with ≥16 vCPUs on dual-socket NUMA hosts Open

Status: Awaiting author

firecracker-microvm/firecracker#5744 · 36 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Block-level copy-on-write overlay with dirty bitmap tracking for fast VM cloning and reset Open

Status: Awaiting assignee Type: Enhancement

firecracker-microvm/firecracker#5795 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Userspace networking (passt/slirp) Open

Status: Awaiting author Status: Parked

firecracker-microvm/firecracker#5816 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow MAP_SHARED for snapshot-restore mem_backend (cooperative-snapshot tooling) Open

Status: Awaiting review

firecracker-microvm/firecracker#5912 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Support non-seekable file descriptors (e.g. FIFOs) for snapshot memory output Open

Status: Awaiting author Type: Enhancement

firecracker-microvm/firecracker#6030 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Feature Request] Host-side guest vmcore dump on kernel panic (pvpanic) Open

Status: Awaiting author

firecracker-microvm/firecracker#6067 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Bug] vsock: 100% CPU main-loop livelock and hung connections after Resume with in-flight traffic (v1.16.x, EVENT_IDX) Open

Status: Awaiting release

firecracker-microvm/firecracker#6074 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Feature Request] Support hugetlbfs memory files for snapshot creation and file-backed restore Open

Status: WIP Type: Enhancement

firecracker-microvm/firecracker#6099 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
FR: Publish .asc files for releases Open

Status: Awaiting assignee Type: Enhancement

firecracker-microvm/firecracker#6117 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
bug: discard_range() silently fails to free physical memory for memfd-backed (MAP_SHARED) guest regions Open

Status: Awaiting assignee

firecracker-microvm/firecracker#6167 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Bug] Rate limiter can permanently stall on sub-millisecond refill Open

firecracker-microvm/firecracker#6212 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

firecracker-microvm/firecracker

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