Ping?:) Currently illumos dboot (32-bit pre-kernel stub) is expecting memory map in form of smap data - it is native with BIOS boot, but fabricated in boot loader in case of UEFI. dboot should be able to use EFI memory map. thanks, toomas > On 5. Aug 2022, at 01:01, Toomas Soome wrote: > > hi! > > Please review: https://code.illumos.org/c/illumos-gate/+/2292 > > dboot should build memlist using efi memory list. > > thanks, > toomas