OvmfXen and PVH

[Stefan Kadow <xen@xxxxxxxx>]

Hello,
I read in an old post from 2019 that the specific OVMF target platform 
OvmfXen can boot in a PVH type domU. And in another old post I read that 
a new console type was built for use with this PVH domUs.
I was hoping that I could use it to boot Linux PVH DomUs with EFIstub 
kernels or systemd-boot, but I can't get it to work.
I use a simple pvh-domu.cfg:
type = "pvh"
kernel = "/usr/lib/xen/boot/ovmf.bin"
disk = [...]
vif = [...]
...

In the verbose output of xl toolstack (xl -vvv create -c pvh-domu.cfg) I 
can see that the domU is destroyed right after creation. The same domU 
configuration works as HVM domU and as PVH domU with pygrub bootloader.
Is there any way to get this to work with Xen 4.16.0?

--
THX,
Stefan