Issues

• A VM with a VFIO device never exits on SIGTERM sent while the firmware moves its BARs

  cloud-hypervisor/cloud-hypervisor#9244 · Filter by author dexired opened on Oct 31, 2026

• Migration: Investigate Restore/Reconnect after Failed Migration for vDPA and vhost_user

  Bug

  cloud-hypervisor/cloud-hypervisor#9217 · Filter by author phip1611 opened on Oct 29, 2026

• Failed live migration can resume the VM on the source while the destination runs it

  cloud-hypervisor/cloud-hypervisor#9208 · Filter by author umangPokhriyall opened on Oct 28, 2026
  1

• virtio-blk: Fails with "Descriptor buffer extends past guest memory: addr=0x{:x} len={}" with grace GPU passed though.

  cloud-hypervisor/cloud-hypervisor#9182 · Filter by author yamahata opened on Oct 27, 2026
  2

  

• Serial and console input can be lost, altered or buffered without limit

  cloud-hypervisor/cloud-hypervisor#9174 · Filter by author umangPokhriyall opened on Oct 26, 2026

• aarch64: restore advances guest CNTVCT by the full downtime (since v53), causing multi-minute guest stalls; no way to opt out

  Bug

  cloud-hypervisor/cloud-hypervisor#9153 · Filter by author rv-harsha opened on Oct 23, 2026
  2

• rate_limiter: Bounded I/O bursts with configurable idle recharge

  cloud-hypervisor/cloud-hypervisor#9134 · Filter by author Samyazz opened on Oct 21, 2026

• Unsound use of from_raw_fd() in config code

  Bug

  cloud-hypervisor/cloud-hypervisor#9126 · Filter by author DemiMarie opened on Oct 20, 2026

• Restored VMs run their virtio worker threads without Landlock

  Bug

  cloud-hypervisor/cloud-hypervisor#9118 · Filter by author tutkodev opened on Oct 17, 2026
  2

• SEV-SNP (KVM): support guest-created APs so the launch measurement does not depend on the vCPU count

  Feature

  cloud-hypervisor/cloud-hypervisor#9091 · Filter by author vans163 opened on Oct 14, 2026
  3

• Remove Linear PCI Configuration Space State for v56

  Task

  cloud-hypervisor/cloud-hypervisor#9085 · Filter by author phip1611 opened on Oct 14, 2026

• Keep page cache sharing across snapshot and restore of CoW VMs

  Feature

  cloud-hypervisor/cloud-hypervisor#9068 · Filter by author saravan2 opened on Oct 13, 2026
  8

• vTPM: a TPM command that takes swtpm longer than 100 ms fails the guest's TPM permanently (tpm_recv: error -5)

  Bug

  cloud-hypervisor/cloud-hypervisor#9053 · Filter by author ebourgeois opened on Oct 11, 2026
  2

• Lazily loading diff snapshots from an object store

  Feature

  cloud-hypervisor/cloud-hypervisor#9027 · Filter by author AlephNotation opened on Oct 7, 2026
  6

• virtio-pci: ISR config bit never set with MSI-X, Windows balloon ignores resize

  cloud-hypervisor/cloud-hypervisor#9009 · Filter by author gdraganic opened on Oct 5, 2026
  1

• Pre-connect serial backlog replay stalls after ~one socket fill (~280 B) on an idle guest; delivery only resumes when the guest produces new output

  cloud-hypervisor/cloud-hypervisor#8997 · Filter by author zoorpha opened on Oct 4, 2026
  2

• test_virtio_block_direct_and_firmware very flaky

  cloud-hypervisor/cloud-hypervisor#8988 · Filter by author rbradford opened on Oct 2, 2026

• Grace Blackwell Support: stabilization and performance validation on core features

  cloud-hypervisor/cloud-hypervisor#8977 · Filter by author likebreath opened on Sep 30, 2026
  2

• Grace Blackwell Support: follow-up features and improvements

  cloud-hypervisor/cloud-hypervisor#8976 · Filter by author likebreath opened on Sep 30, 2026

• Memory corruption during postcopy migration with vhost-user backend devices

  Bug

  cloud-hypervisor/cloud-hypervisor#8967 · Filter by author lucido-simon opened on Sep 30, 2026
  2

• Fix Missing Retry Loops for I/O / guest mem read/write

  Bug

  cloud-hypervisor/cloud-hypervisor#8900 · Filter by author phip1611 opened on Sep 18, 2026

• Improve (Reduce) Downtime when Migrating [Tracking Issue]

  Task

  cloud-hypervisor/cloud-hypervisor#8899 · Filter by author phip1611 opened on Sep 18, 2026
  2

  

• Support VFIO dma-buf for peer-to-peer DMA

  cloud-hypervisor/cloud-hypervisor#8895 · Filter by author maxpain opened on Sep 18, 2026
  1

• SOCK_SEQPACKET support in AF_VSOCK

  Feature

  cloud-hypervisor/cloud-hypervisor#8894 · Filter by author beshleman opened on Sep 18, 2026
  1

• Bug: Postcopy EOF on Sender Side Doesn't See and Report Failure from Remote

  Bug

  cloud-hypervisor/cloud-hypervisor#8891 · Filter by author phip1611 opened on Sep 17, 2026
  1