Update on the discrete GPU lockup issue:
There was a separate thread created here.
The solution that worked for me is the following:
- Switch to discrete graphics only in the bios
- Append the following kernel parameter
nouveau.noaccel=1
toGRUB_CMDLINE_LINUX
in/etc/sysconfig/grub
. Rungrub2-mkconfig -o /boot/efi/EFI/qubes/grub.cfg
to update grub
Number 2 is suggested in Nouveau - ArchWiki and Common kernel problems - Fedora Project Wiki to avoid lockups
After 24 hours of testing, system seems stable! I will post updates if I encounter future issues with this hardware.