I'm lost on this UEFI stuff, though I've learned TONS in the last 10 days of rebuilding my laptop 4+ times and thought I had 'a clue'. Obviously, I need more clues. I want to adjust the parameters in my grub bootup file (wherever it may be).
As instructed by Red Hat and other posts, I have edited my boot parameters in /etc/default/grub - to disable nouveau and get rid of rhgb and see the boot results.
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GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=/dev/mapper/rhel_ldellg3-swap rd.lvm.lv=rhel_ldellg3/root rd.lvm.lv=rhel_ldellg3/swap rd.driver.blacklist=nouveau nouveau.modeset=0"
GRUB_DISABLE_RECOVERY="true"
GRUB_ENABLE_BLSCFG=true
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sudo grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg
sudo grub2-mkconfig -o /boot/efi/EFI/redhat/grubenv/grub.cfg
As usual, no emergency.
Thank you.