Issues

• Balloon: driver submits 64-bit PFNs on x64, spec requires 32-bit

  BalloonJira_Attached
  virtio-win/kvm-guest-drivers-windows#1663 · Filter by author gdraganic opened on Oct 5, 2026
  1

  

• virtiofs: copying files larger than ~1 GB from a virtiofs share fails with "Error performing inpage operation" (Win32 1117)

  Bugvirtio-fs
  virtio-win/kvm-guest-drivers-windows#1659 · Filter by author forgetone1 opened on Sep 29, 2026
  2

  

• Lack of handling for CmResourceTypeMemoryLarge

  ivshmemvirtio-lib
  virtio-win/kvm-guest-drivers-windows#1648 · Filter by author UMU618 opened on Sep 17, 2026
  

• VirtIO: virtqueue_is_interrupt_enabled_packed returns the inverse of its name

  Jira_AttachedNetKVM
  Bug

  virtio-win/kvm-guest-drivers-windows#1631 · Filter by author jr551 opened on Aug 29, 2026
  1

  

• viosock: leaked TxEnqueued permanently wedges all non-blocking guest→host vsock writes

  Bugviosock
  virtio-win/kvm-guest-drivers-windows#1623 · Filter by author isaac-fletcher opened on Aug 19, 2026
  1

  

• [vioscsi] Win10 guest becomes unresponsive after hotplug a LUN that was created on a Windows iSCSI server

  BugJira_Attachedvioscsi
  virtio-win/kvm-guest-drivers-windows#1622 · Filter by author york-king opened on Aug 10, 2026
  2

  

• [virtiofs] Case-insensitive CreateDirectory creates duplicate directory even if directory already exists in a different case

  Bugvirtio-fs
  virtio-win/kvm-guest-drivers-windows#1620 · Filter by author meltah opened on Aug 2, 2026
  1

  

• ivshmem driver fails to initialize if shm size is > 2GB

  Bugivshmem
  virtio-win/kvm-guest-drivers-windows#1598 · Filter by author ading2210 opened on Jul 13, 2026
  3

  

• Prebuilt binary releases & upgrade script

  Feature request
  virtio-win/kvm-guest-drivers-windows#1588 · Filter by author DemiMarie opened on Jul 4, 2026
  

• Support cross-compiling from a Linux host

  Feature request
  virtio-win/kvm-guest-drivers-windows#1587 · Filter by author DemiMarie opened on Jul 2, 2026
  9

  

• [vioscsi] Windows 11 guest, virtio-win-0.1.285-1, trim broken Since May 12 2026 (Patch Tuesday)

  Jira_Attachedvioscsi
  virtio-win/kvm-guest-drivers-windows#1574 · Filter by author Nick-Kooij opened on May 24, 2026
  17

  

• viomem: ACPI shutdown takes ~7-8 minutes when blocks are plugged (per-block unplug + unbounded host-ACK wait + dead UNPLUG_ALL helper)

  Jira_Attachedvirtio-mem
  virtio-win/kvm-guest-drivers-windows#1560 · Filter by author CMGS opened on Apr 16, 2026
  15

• Anyone has the compiled ARM64 WDDM driver for viogpu?

  Feature requestJira_Attachedvirtio-gpu
  virtio-win/kvm-guest-drivers-windows#1558 · Filter by author liangyufei2024 opened on Apr 15, 2026
  5

  

• vioser.sys驱动会引起虚机重启时虚机卡死

  BugJira_Attached
  virtio-win/kvm-guest-drivers-windows#1548 · Filter by author chegangjian opened on Mar 20, 2026
  5

  

• netkvm: Add Python-based NTttcp performance testing tool

  Feature requestJira_AttachedNetKVM
  virtio-win/kvm-guest-drivers-windows#1546 · Filter by author zjmletang opened on Mar 18, 2026
  2

  

• Windows 2025 vm's going to hung state frequently with olvm gui display showing "Display out is not active" message

  BugJira_Attached
  virtio-win/kvm-guest-drivers-windows#1540 · Filter by author Srigittool opened on Mar 9, 2026
  3

  

• virtio: support VIRTIO_F_NOTIFICATION_DATA feature

  Feature requestJira_Attached
  virtio-win/kvm-guest-drivers-windows#1533 · Filter by author zjmletang opened on Mar 3, 2026
  5

  

• [virtio-win] NetKVM (virtio-win 0.1.285) does not transmit USO packets correctly

  BugJira_AttachedNetKVM
  virtio-win/kvm-guest-drivers-windows#1525 · Filter by author asid52714 opened on Feb 24, 2026
  42

  

• Cannot Meson-setup a C++ project

  BugJira_Attachedvirtio-fs
  virtio-win/kvm-guest-drivers-windows#1524 · Filter by author machitgarha opened on Feb 23, 2026
  2

  

• Does virtio blk support traffic flow during hot-plugging？

  Jira_Attachedviostor
  virtio-win/kvm-guest-drivers-windows#1483 · Filter by author HAOkwills opened on Jan 5, 2026
  22

  

• Abysmal IOPS in viostor, comparing to host and Linux guest

  BugJira_Attachedviostor
  virtio-win/kvm-guest-drivers-windows#1482 · Filter by author ya-isakov opened on Jan 4, 2026
  3

  

• -device virtio-multitouch-pci

  Feature requestJira_Attached
  virtio-win/kvm-guest-drivers-windows#1477 · Filter by author jammgit opened on Dec 29, 2025
  12

  

• -device vhost-vsock-pci has no driver in Windows 11 guest

  Feature requestJira_Attachedviosock
  virtio-win/kvm-guest-drivers-windows#1476 · Filter by author voltagex opened on Dec 28, 2025
  5

  

• write chardev failed: invalid argment

  BugJira_Attachedvioserial
  virtio-win/kvm-guest-drivers-windows#1462 · Filter by author yangni2017 opened on Dec 4, 2025
  2

  

• IP getting changed after virtIO tool is upgraded

  BugJira_Attached
  virtio-win/kvm-guest-drivers-windows#1460 · Filter by author 0xj0el opened on Nov 26, 2025
  14