Re: [Xen-users] usage questions for GRUB2 chainloader workaround when booting Xen 4.5 on UEFI

[lyndat3@xxxxxxxxxxxxx]

> Would this GRUB2 menuentry work?
> 
>       menuentry 'Xen EFI' {
>               insmod part_gpt
>               insmod search_fs_uuid
>               insmod chain
>               search --no-floppy --fs-uuid 94C3-29F3
>               chainloader /EFI/XEN/xen.efi
>       }


A bit more info.  The stanza above did not work.  Boot aborts with 'disk not 
found'.

Attempting to exactly specify the drive, where

        mount | grep boot
                /dev/md0 on /boot type ext4 
(rw,noatime,journal_checksum,data=ordered)
                /dev/sdg2 on /boot/efi type vfat 
(rw,relatime,fmask=0002,dmask=0002,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)

        blkid /dev/md0
                /dev/md0: UUID="4d85d86e-72c3-996d-1284-8e374646886c" 
TYPE="ext4" 

        mdadm -Es | grep md/0
                ARRAY /dev/md/0  metadata=1.0 
UUID=b74544cc:8454cc33:6d44b6c5:86c58355 name=xen01:0

        ls -al /dev/disk/by-id/md-uuid-b74544cc:8454cc33:6d44b6c5:86c58355
                lrwxrwxrwx 1 root root 9 Mar 27 21:44 
/dev/disk/by-id/md-uuid-b74544cc:8454cc33:6d44b6c5:86c58355 -> ../../md0

and blindly cribbing parts from the default grub nonn-xen menuentry, which 
boots fine, I also tried

        menuentry 'Xen EFI' {
                insmod part_gpt gpt
                insmod diskfilter mdraid1x
                insmod ext2
                insmod search_fs_uuid
                insmod chain
                set root='mduuid/b74544cc8454cc336d44b6c586c58355'
                if [ x$feature_platform_search_hint = xy ]; then  
                        search --no-floppy --fs-uuid --set=root 
--hint='mduuid/b74544cc8454cc336d44b6c586c58355'  94C3-29F3
                else
                        search --no-floppy --fs-uuid --set=root 94C3-29F3
                fi
                search  --no-floppy --fs-uuid 94C3-29F3
                chainloader /EFI/XEN/xen.efi
        }

The boot still fails.  Disk not found.

LT

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