On Sat, Dec 15, 2012 at 06:47:29PM -0600, W. Michael Petullo wrote: > >> I have successfully installed Fedora 18 Beta as Dom0 on one computer, > >> and am now trying to do the same on another. I am using all of the > >> standard Fedora 18 packages, including xen-4.2.0-6.fc18.x86_64. > >> > >> On the second computer, I ended up with an EFI grub2 install. > >> > >> I used yum to install xen, and noted that the package installation did > >> not update /etc/grub2-efi.cfg. > >> > >> I ran grub2-mkconfig by hand, and this added Xen entries to > >> /etc/grub2-efi.cfg. However, booting failed: grub2 complained that it > >> did not know the multiboot keyword. > >> > >> Does anyone have experience getting EFI grub2 to boot Xen/Fedora 18? > >> Is my trouble expected? > > > Did you try native UEFI boot? So booting the xen.efi binary directly from UEFI ? > > > > Also note that F18 kernel doesn't have proper UEFI support for dom0 (yet), > > because it hasn't been upstreamed yet.. > > I eventually figured out how to install Fedora 18 using the MBR-style > grub2. > > My Fedora 18 install media was a thumbdrive; what I discovered was that > if I did *not* instruct my motherboard firmware's UEFI menu to boot from > this USB device, then it seemed to pick it up as an old-style MBR boot > instead. From that point on, Anaconda seemed to assume the computer > had a BIOS, not UEFI. > > It appears the Fedora 18 install image supports both BIOS/MBR and UEFI, > and the motherboard's firmware picks up the MBR if not explicitly asked > to boot the device as UEFI. > > After picking through Anaconda and finding no option (i.e., a way to > install using an MBR boot instead of a UEIF boot), I suspect I could > achieve the same effect by manually creating an msdos partition table > on the target hard drive instead of a GPT partition table. > I think there's also "nogpt" boot/kernel cmdline option for the installer.. -- Pasi -- xen mailing list xen@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/xen