Digging in a bit it appears to be something going on between SDDM, the
nVidia drivers and ACPI. I don't have the time to go much further right now
so I'll run it with the Nouveau drivers until Dell release the Developer
edition and see how they do it! :)

Thomas

On Thu, Aug 9, 2018 at 10:15 PM Ed Greshko <ed.gres...@greshko.com> wrote:

> On 08/10/18 12:23, Thomas Letherby wrote:
> >
> > I'm trying to install the KDE spin on a Dell XPS 15 and I can't seem to
> get the
> > nVidia drivers to install.
> >
> > I installed via a USB stick, and I had to add the dis_ucode_ldr switch
> to the boot
> > options to get it to load and change to ACIP rather than RAID for the
> drive, but it
> > installed without issue after that and seems to be working fine with the
> Noveau
> > drivers, however I cannot seem to get nVidia drivers to install
> correctly.
> >
> > I'm trying to use the workstation RPMFusion repo, and they seem to
> install OK, but
> > after trying the guides here:
> >
> > https://rpmfusion.org/Howto/NVIDIA
> > https://fedoramagazine.org/install-nvidia-gpu/
> > (I don't have the install drivers option for this one, I think that's
> Gnome
> > specific isn't it?)
> >
> > I get similar results, namely a blank screen at login, which persists
> for more than
> > 10 minutes, so I don't think it's still building the drivers.
> >
> > If I switch to another tty I can startx and it will load KDE. It's like
> it's not
> > loading the login screen.
> >
> > I'm still searching through the logs but I've not found a smoking gun
> yet, but just
> > in case, has anyone got this to work, and if so how did you do it?
>
>
> You say you can switch to another tty and using startx you'll get KDE up
> and running,
> yes?   If that is the case then the problem is not the nVidia drivers as
> they are
> being used quite nicely in that instance.  You can verify this by issuing
> "lsmod |
> grep nvidia" and it would generate an output similar to this in konsole.
>
> [egreshko@meimei Season-4]$ lsmod | grep nvidia
> nvidia_drm             45056  7
> nvidia_modeset       1093632  22 nvidia_drm
> nvidia              14061568  1057 nvidia_modeset
> drm_kms_helper        196608  1 nvidia_drm
> drm                   458752  10 drm_kms_helper,nvidia_drm
> ipmi_msghandler        57344  2 ipmi_devintf,nvidia
>
> If all this checks out, it would seem your problem is with the display
> manager.  What
> do you get for "systemctl status sddm"
>
> FWIW, I'm running F28/KDE with nVidia RPMFusion drivers just fine with
> GeForce GTX
> 660 HW.
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
>
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