'interested_in_QubesOS' via qubes-users wrote on 6/7/19 12:08 AM:
The reason I want to do what the title of this post says is I want to dual
boot, however my graphics card doesn't completely work without CSM and common
wisdom says having that off for installing an OS for a UEFI machine will save
me headache. I also can't change my default GPU, my UEFI changes it
automatically depending on if my graphics card is sloted in.
My plan:
Step 1: Install Qubes OS 4.0.1 with CSM disabled and with no graphics card,
Try it first with CSM enabled; reason being Qubes will install in GRUB
mode without it so when you re-enable there wouldn't be a UEFI boot entry.
Step 2; do the needed tasks (updating VM's, setting up anti-evil maid, ect.),
Step 3; change CSM setting to enabled in UEFI menu,
Add nouveau.modeset=0 somewhere in here (double-check my spelling).
Step 4; insert my Nvidia graphics card in the first PCIe slot,
Step 5; after all that start up my PC and install Nouveau drivers in dom0 if
Qubes doesn't already have Nouveau drivers.
Shouldn't need drivers if you do the modeset.
Good plan or no? What sort of problem(s) could I come come across, if any?
Dual-booting is a pain. I did it for a while on one of my machines and
Windows kept breaking GRUB every major update. When you add the below
hard drive, you might have to regenerate your Qubes UEFI boot entry.
Search this list for efibootmgr if that happens.
Unplugging my Windows install hard drive is probably a good idea.
Agreed.
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