ESXi 8 on old hardware Error 10 – Out of resources failed to malloc MMIO

by

Backup sda1 and reformat it as FAT32

# cd /mnt
# mkdir sda1 tmp
# mount /dev/sda1 /mnt/sda1
# rsync -ravt /mnt/sda1/ /mnt/tmp/
# umount /mnt/sda1
# mkfs.vfat -F32 -s 2 /dev/sda1
# mount /dev/sda1 /mnt/sda1
# rsync -ravt /mnt/tmp/ /mnt/sda1/

Set to UEFI boot.