User:Narical
Booting from USB 3 media
If Linux is refusing to boot from USB3-drive, this usually caused by the lack of USB3 (XHCI) drivers in the Linux' initrd image.
- First you have to configure a USB3-enabled initrd
/etc/mkinitcpio.conf
... # MODULES # The following modules are loaded before any boot hooks are run. MODULES="ext2 xfs dm_mod xhci-hcd" ...
- Create new initrd image
$ mkinitcpio -p linux
Warning: You need to call this on a PC with a USB3 interface - otherwise mkinitcpio might remove the "unnecessary" driver when crating the initrd.
- Explicitly tell the kernel to load and use USB3-modules
Note: Following example is for systemd-boot - please adapt accordingly for Grub and other bootloaders
/boot/loader/entries/arch.conf
title Archlinux Live USB linux /vmlinuz-linux initrd /initramfs-linux.img options root=PARTLABEL=root rw earlymodules=xhci_hcd modules-load=xhci_hcd
Source: [1].