virtualbox no bootable medium found error

usr/sbin/grub-bios-setup: warning: Embedding is not possible. usr/sbin/grub-bios-setup: warning: this GPT partition label contains no BIOS Boot Partition embedding won't be possible. Sh-4.2# grub-install -target=i386-pc -recheck /dev/sda Os-prober: to detect other OSes when generating grub.cfg in BIOS systems Libisoburn: provides xorriso for generating grub rescue iso using This may fail on some machines running a custom kernel. Warning: could not get filesystem information for /sys/fs/cgroup/blkio: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/net_cls: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/freezer: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/devices: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/memory: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/cpu,cpuacct: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/cpuset: No such file or directory Warning: could not get filesystem information for /sys/fs/cgroup/systemd: No such file or directory Warning: could not get filesystem information for /run/archiso/sfs/usr-share: No such file or directory Warning: could not get filesystem information for /run/archiso/sfs/usr-lib-modules: No such file or directory Warning: could not get filesystem information for /run/archiso/sfs/root-image: No such file or directory Warning: could not get filesystem information for /run/archiso/cowspace: No such file or directory

Warning: could not get filesystem information for /run/archiso/bootmnt: No such file or directory

$ grub-install -target=i386-pc -recheck /dev/sda $ echo archbox-$(head /dev/urandom -c 2 | base64 | cut -c -3) > /etc/hostname #set hostname to archbox. $ echo -e 'vboxguest vboxsf vboxvideo' > /etc/modules-load.d/nf $ pacman -noconfirm -S virtualbox-guest-utils $ ln -s /usr/share/zoneinfo/America/Chicago /etc/localtime

$ echo '/dev/sda1 / ext4 defaults 0 1' > /etc/fstab

Virtualbox no bootable medium found error