can someone paste the contents of the said file here, I couldnt find it on internet as its qubes os specific .
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=false
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="rd.luks.uuid=luks-1b34bf8e-7471-4847-919e-423cb9cfe65d rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap plymouth.ignore-serial-consoles 6.1.62-1.qubes.fc37.x86_64 x86_64 rhgb quiet"
GRUB_DISABLE_RECOVERY="true"
GRUB_THEME="/boot/grub2/themes/qubes/theme.txt"
GRUB_CMDLINE_XEN_DEFAULT="console=none dom0_mem=min:1024M dom0_mem=max:4096M ucode=scan smt=off gnttab_max_frames=2048 gnttab_max_maptrack_frames=4096"
GRUB_DISABLE_OS_PROBER="true"
. /etc/default/grub.qubes-kernel-vm-support
Just make sure to use the right value for rd.luks.uuid (it should be in your grub config in /boot/)
2 Likes