Issues

First class file descriptor support
#7704 · rbradford opened on Feb 13, 2026
29
Live Migration Feature Tracking and Collaboration
#7111 · ljrcore opened on May 30, 2025
23

virtio-pci: ISR config bit never set with MSI-X, Windows balloon ignores resize
cloud-hypervisor/cloud-hypervisor#9009 · opened on Oct 5, 2026
1
rate_limiter: sub-millisecond over-consumption leaves the device blocked forever
cloud-hypervisor/cloud-hypervisor#9008 · opened on Oct 5, 2026
Feature Request: write only the changed pages in a snapshot of a copyonwrite-restored VM
cloud-hypervisor/cloud-hypervisor#8999 · opened on Oct 4, 2026
serial-manager thread dies silently when a socket client aborts with unread data (ECONNRESET): no log, listener never serves again, guest console dead for the life of the VMM (v43.0 – v53.0)
cloud-hypervisor/cloud-hypervisor#8998 · opened on Oct 4, 2026
5
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 · opened on Oct 4, 2026
2
test_virtio_block_direct_and_firmware very flaky
cloud-hypervisor/cloud-hypervisor#8988 · opened on Oct 2, 2026
Grace Blackwell Support: stabilization and performance validation on core features
cloud-hypervisor/cloud-hypervisor#8977 · opened on Sep 30, 2026
2
Grace Blackwell Support: follow-up features and improvements
cloud-hypervisor/cloud-hypervisor#8976 · opened on Sep 30, 2026
Memory corruption during postcopy migration with vhost-user backend devices
Bug
cloud-hypervisor/cloud-hypervisor#8967 · opened on Sep 30, 2026
2
vmm: Apply serde_with::skip_serializing_none to serialized configs
cloud-hypervisor/cloud-hypervisor#8950 · opened on Sep 28, 2026
Don't allow guest driven accesses to spam logs
cloud-hypervisor/cloud-hypervisor#8949 · opened on Sep 28, 2026
2
VMM: Define user-facing interface for SMMUv3 support
cloud-hypervisor/cloud-hypervisor#8926 · opened on Sep 23, 2026
Feature Request: ACPI for direct-kernel-booted aarch64 guests
cloud-hypervisor/cloud-hypervisor#8903 · opened on Sep 19, 2026
5
Fix Missing Retry Loops for I/O / guest mem read/write
Bug
cloud-hypervisor/cloud-hypervisor#8900 · opened on Sep 18, 2026
Improve (Reduce) Downtime when Migrating [Tracking Issue]
Task
cloud-hypervisor/cloud-hypervisor#8899 · opened on Sep 18, 2026
2
AMD hosts: OVMF can place a 64-bit BAR of a passthrough device on the IOMMU-reserved HyperTransport range, so it cannot be mapped for P2P DMA
cloud-hypervisor/cloud-hypervisor#8896 · opened on Sep 18, 2026
Support VFIO dma-buf for peer-to-peer DMA
cloud-hypervisor/cloud-hypervisor#8895 · opened on Sep 18, 2026
1
SOCK_SEQPACKET support in AF_VSOCK
Feature
cloud-hypervisor/cloud-hypervisor#8894 · 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 · opened on Sep 17, 2026
1
aarch64: Add integration test for SMBIOS support
cloud-hypervisor/cloud-hypervisor#8876 · opened on Sep 15, 2026
Support ignoring flushes in the virtio disk devices
Feature
cloud-hypervisor/cloud-hypervisor#8864 · opened on Sep 8, 2026
6
Finalize Removal of Command::Abandon in v55
cloud-hypervisor/cloud-hypervisor#8862 · opened on Sep 8, 2026
RFC: support kexec based host kernel live update
cloud-hypervisor/cloud-hypervisor#8852 · opened on Sep 7, 2026
Copying out a paused VM's memory could be faster with a tiny patch
Bug
cloud-hypervisor/cloud-hypervisor#8831 · opened on Sep 3, 2026
4
Remove Unnecessary Hyphenation
Task
cloud-hypervisor/cloud-hypervisor#8828 · opened on Aug 31, 2026