Public bug reported:
Hybrid laptop with an NVidia 960M video card boots to a black SDDM
screen when the NVidia card enabled (using the NVidia 384 and 390.xx
drivers). Nouveau drivers fail to boot.
Switching to Intel drivers (sudo prime-select intel), SDDM loads/runs
just fine.
Removing the "quiet" option from grub boot shows Simple Display Manager
starting without error when NVidia is enabled. Unsure how to provide
additional useful information.
Ctrl-Alt-f1, logging in via the terminal, and startx enables normal
desktop use.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: sddm 0.17.0-1ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: KDE
Date: Tue Apr 10 19:15:16 2018
InstallationDate: Installed on 2018-03-14 (27 days ago)
InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180312)
SourcePackage: sddm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: sddm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
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https://bugs.launchpad.net/bugs/1762885
Title:
SDDM fails to start on laptops modern NVidia cards
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