Hi Didier, Yes, I set BIOS='ovmf', and the Debian installation showed UEFI installer.
Best regards, On Fri, Feb 26, 2021 at 3:47 PM didier gaumet <didier.gau...@gmail.com> wrote: > > Le 25/02/2021 à 14:03, John Mok a écrit : > [...] > > I think it is related to Xen HVM + OVMF. > > > > Anyone has an idea what went wrong ? > > Hello, > > did you use the "bios='ovmf'" option in the xl.cfg file of your Debian > Xen guest? > By default, even if OVMF is installed/present on your OS host, Xen > uses Seabios, not OVMF (so legacy Bios instead of true UEFI). > > This could explain why Microsoft Windows runs without problem as your > Xen guest: Win10 can run either on UEFI or a Legacy Bios. >
