On Thu, 19 Feb 2026 at 17:33, Mohammadfaiz Bawa <[email protected]> wrote: > > Windows ARM64 guests detect virtio-mmio devices declared in ACPI > tables even when no backend is attached. This causes "Unknown > devices" (ACPI\LNRO0005) to appear in Device Manager. > > Until Windows fixes that by supporting, add a new machine > property 'virtio-mmio-transports' to control the number of > virtio-mmio transports instantiated. The default remains > NUM_VIRTIO_TRANSPORTS (32) for backward compatibility. > Setting it to 0 allows users to disable virtio-mmio entirely. > > Usage: -machine virt,virtio-mmio-transports=0 > > Signed-off-by: Mohammadfaiz Bawa <[email protected]> > --- > Changes in v2: > - Renamed property from virtio-transports to virtio-mmio-transports > - Added documentation in docs/system/arm/virt.rst
Applied to target-arm.next, thanks. -- PMM
