Public bug reported:

`ubuntu-drivers install`

Error, when using *systemd-boot* and *dracut*:

Info: selecting the on-demand profile
Traceback (most recent call last):
  File "/usr/bin/prime-select", line 458, in <module>
    switcher.enable_profile(arg)
    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^
  File "/usr/bin/prime-select", line 229, in enable_profile
    self._backup_grub_config()
    ~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/bin/prime-select", line 429, in _backup_grub_config
    shutil.copyfile(self._grub_path, destination)
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/shutil.py", line 313, in copyfile
    with open(src, 'rb') as fsrc:
         ~~~~^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/etc/default/grub'

# cat /etc/apt/preferences.d/no-grub
Package: grub-efi-amd64*
Pin: release *
Pin-Priority: -1

Package: grub-common
Pin: release *
Pin-Priority: -1

Package: grub2-common
Pin: release *
Pin-Priority: -1

# cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=26.04
DISTRIB_CODENAME=resolute
DISTRIB_DESCRIPTION="Ubuntu Resolute Raccoon (development branch)"

ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: nvidia-prime 0.8.17.2build1
ProcVersionSignature: Ubuntu 6.17.0-14.14-generic 6.17.9
Uname: Linux 6.17.0-14-generic x86_64
ApportVersion: 2.33.1-0ubuntu7
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr  3 10:58:54 2026
Dependencies:

PackageArchitecture: all
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: nvidia-prime
UpgradeStatus: Upgraded to resolute on 2026-02-11 (51 days ago)

** Affects: nvidia-prime (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug resolute wayland-session

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https://bugs.launchpad.net/bugs/2147182

Title:
  prime-select crashes on systemd-boot

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