Am 15.01.25 um 13:53 schrieb Igor Mammedov: > Current versions of Windows call _DSM(func=7) regardless > of whether it is supported or not. It leads to NICs having bogus > 'PCI Label Id = 0', where none should be set at all. > > Also presence of 'PCI Label Id' triggers another Windows bug > on localized versions that leads to hangs. The later bug is fixed > in latest updates for 'Windows Server' but not in consumer > versions of Windows (and there is no plans to fix it > as far as I'm aware). > > Given it's easy, implement Microsoft suggested workaround > (return invalid Package) so that affected Windows versions > could boot on QEMU. > This would effectvely remove bogus 'PCI Label Id's on NICs, > but MS teem confirmed that flipping 'PCI Label Id' should not > change 'Network Connection' ennumeration, so it should be safe > for QEMU to change _DSM without any compat code. > > Smoke tested with WinXP and WS2022 > Resolves: https://gitlab.com/qemu-project/qemu/-/issues/774 > Signed-off-by: Igor Mammedov <imamm...@redhat.com>
Tested-by: Fiona Ebner <f.eb...@proxmox.com> Fixes the VirtIO NIC issue with a German Windows 10 guest for me.
