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smolvm

v1.6.7 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 10d Virtualization
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

containers crun libkrun microvm rust virtual-machine

Summary

AI summary

Detect stale CUDA guest shim at boot instead of opaque cuInit failure.

Full changelog

What's Changed

  • Bump the Nix flake to smolvm 1.6.0 by @BinSquare in https://github.com/smol-machines/smolvm/pull/625
  • Fix the pacman repo build so it packages both architectures by @BinSquare in https://github.com/smol-machines/smolvm/pull/626
  • Make VM boot failures diagnosable instead of opaque by @BinSquare in https://github.com/smol-machines/smolvm/pull/627
  • docs: recommend the unix-socket docker endpoint; document the TCP alternative and its caveats by @BinSquare in https://github.com/smol-machines/smolvm/pull/621
  • Add cuda to VmResources for CLI/SDK CUDA-over-vsock by @BinSquare in https://github.com/smol-machines/smolvm/pull/628
  • CUDA fork independent serving: copy-on-fork isolation, graph mode, network transport by @BinSquare in https://github.com/smol-machines/smolvm/pull/629
  • Detect a stale CUDA guest shim at boot instead of an opaque cuInit failure by @BinSquare in https://github.com/smol-machines/smolvm/pull/630
  • feat: expose the docker-socket bridge in the machines HTTP API by @BinSquare in https://github.com/smol-machines/smolvm/pull/631
  • Resolve a named config.User to a numeric uid for crun exec (#632) by @BinSquare in https://github.com/smol-machines/smolvm/pull/634
  • Warn at launch when CUDA remoting is requested on a host with no usable GPU by @BinSquare in https://github.com/smol-machines/smolvm/pull/635
  • CUDA Path 3: address-preserving per-clone-process fork isolation by @BinSquare in https://github.com/smol-machines/smolvm/pull/633
  • Bump the workspace to 1.6.1 by @BinSquare in https://github.com/smol-machines/smolvm/pull/641
  • Group container tasks under the sandbox shim (fixes containers on containerd 2.2+) by @BinSquare in https://github.com/smol-machines/smolvm/pull/643
  • Rebuild the linux libkrun.so with a glibc 2.35 floor and gate it in CI by @BinSquare in https://github.com/smol-machines/smolvm/pull/644
  • CUDA Path 3 follow-ups: fork crash fixes, zero-config forkable machines, remote (TCP) clone workers by @BinSquare in https://github.com/smol-machines/smolvm/pull/648
  • Route smolmachine pack references through the host-side pack flow instead of the in-guest OCI puller by @BinSquare in https://github.com/smol-machines/smolvm/pull/647
  • Stamp pushed smolmachine manifests with the OCI 1.1 artifactType and standard annotations by @BinSquare in https://github.com/smol-machines/smolvm/pull/649
  • CUDA fork: release a torn-down golden's VRAM (close leaked export fds) by @BinSquare in https://github.com/smol-machines/smolvm/pull/650
  • CUDA fork: fail fast when a clone's worker dies or its lineage is gone by @BinSquare in https://github.com/smol-machines/smolvm/pull/652
  • Rename the CUDA fork env vars to describe behavior by @BinSquare in https://github.com/smol-machines/smolvm/pull/653
  • release: bundle CUDA shims + smolvm-cuda-run in agent-rootfs by @NickyHeC in https://github.com/smol-machines/smolvm/pull/601
  • Stream the pack overlay export to disk by @BinSquare in https://github.com/smol-machines/smolvm/pull/654
  • CUDA image machines: run the create workload, and fail fast when no GPU host answers by @BinSquare in https://github.com/smol-machines/smolvm/pull/655
  • feat: add --expose-socket and --mount-socket for forwarding arbitrary unix sockets by @BinSquare in https://github.com/smol-machines/smolvm/pull/656
  • Run the pack-from-vm helper as the source VM's isolated uid so it can read the source disks by @BinSquare in https://github.com/smol-machines/smolvm/pull/658
  • Fix silently dropped CUDA work after a fork-clone reconnect, and rebuild captured graphs in clone workers by @BinSquare in https://github.com/smol-machines/smolvm/pull/659

Full Changelog: https://github.com/smol-machines/smolvm/compare/v1.6.0...v1.6.7

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About smolvm

Tool to build & run portable, lightweight, self-contained virtual machines.

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Related context

Earlier breaking changes

  • v1.0.0 Remove built‑in store; VM now relies on host environment/files only.

Beta — feedback welcome: [email protected]