https://bugs.winehq.org/show_bug.cgi?id=47968
--- Comment #30 from msuhoruki@gmail.com --- I'm reposting my original answer with more details:
"Do you have multiple monitors attached?" - No
"What desktop environment are you using?" - xfce 4.14 on guest vm, openbox on host
"How are you running the VM?" - Through libvirt and spice on local socket. Host is also running debian bullseye with openbox wm. Host does not use wayland and does not provide 3d/virgl to the guest. I've attached libvirt's domain xml for this vm and it is run with these commands: $ sudo virsh start linux-debian $ virt-viewer --connect qemu:///system --attach
"Are you able to try the same thing on bare metal?" - Yes, it works on bare metal.