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grub
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grub
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# To Disable MSI
# You may try disabling MSI. Though Linux kernel supports MSI for several years now, a wrong implementation of MSI from some hardware manufacturer may lead to the PCIe errors.
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=nomsi"
# For grub to remember the last used option and use it as default
GRUB_DEFAULT=saved
GRUB_SAVEDEFAULT=true
# grub not getting installed even though no errors reported
Try using the --removable flag in grub-install
# To login to a uefi shell with bcfg to modify the boot entries in nvram
sudo pacman -S edk2-shell
create a fat32 pendrive and place the binary provided by the package into EFI/BOOT/BOOx64.EFI
run grubconfig after editing /etc/default/grub
# Pass kernel parameters at boot time
Edit /etc/grub/default and regenerate the grub.cfg file using
grub-mkconfig -o /boot/grub/grub.cfg