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Installing Nvidia Drivers causes black screen on Plasma Testing
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Description

I installed the Plasma Testing ISO on my optimus laptop as well as the appropriate Nvidia drivers, and a reboot has left me with a black screen. This is different from the nomodeset problem as I do not have to use that kernel parameter with Budgie/LightDM and using it anyway did not solve the problem. This is an issue specific to the Plasma install, not Budgie.

Uninstalling the Nvidia drivers gives me a working system - presumably using the Intel card - so I'm still able to use my laptop, just not for gaming.

Attached is an Xorg log file from trying to get an X session with the Nvidia drivers.

I have a Skylake i5 processor (Intel HD Graphics 530) and an Nvidia GeForce GTX 950M.

As a side note, is bbswitch-current necessary to be able to use the Nvidia driver? It was not preinstalled on the image nor was it installed when I installed the drivers through DoFlicky.

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Event Timeline

Anyone else running it with nvidia?

Confirmation of two things, running nvidia:

  • With optimus laptop
  • Without optimus
domacs added a subscriber: domacs.EditedFeb 1 2018, 1:43 PM

i have the same problem, i installed the nvidia driver with the doflicky tool and was left with a black screen, the only thing i tried was nvidia-xconfig, but this dit not help, i was left with a flickering curder on a black screen.

i am using an optimus laptop with a GTX 970 M and an Intel Core i7-4710HQ

and without nvidia drivers it is running fine.

Shadow53 added a comment.EditedFeb 1 2018, 9:09 PM

I've discovered that replacing sddm with lightdm (and lightdm-gtk-greeter - see T5712) and enabling the service causes the X session to actually load with the Nvidia drivers. There is an odd side effect of text seeming smaller than usual, but I'm going to call that a side effect of using LightDM instead of SDDM.

I'm going to do some more investigation to see if I can figure out some configuration for SDDM that will fix the issue, but hopefully this will help others figure it out too.

Maybe an SDDM equivalent to linux-driver-management-lightdm-integration? I have realized that linux-driver-management-sddm-integration already exists. I'm not sure what setting with SDDM would be causing issues, then.

So to be clear and summarise the issue, it is failing to load sddm with an optimus laptop after installing nvidia drivers.

There was a conflict that I had to fix which was related to the integration package, but may need to consult with a dev who has optimus to be able to test stuff xD (and if anything comes to me I can ask you to test as well :D)

domacs added a comment.Feb 6 2018, 8:25 AM

should it work now with the last update?

should it work now with the last update?

No, I was awaiting confirmation that my summary of the issue was the issue being faced (though I see I didn't phrase it as a question with a question mark).

No, I was awaiting confirmation that my summary of the issue was the issue being faced (though I see I didn't phrase it as a question with a question mark).

Yes, that summary seems to be correct.

should it work now with the last update?

No, I was awaiting confirmation that my summary of the issue was the issue being faced (though I see I didn't phrase it as a question with a question mark).

oh, sorry, yes, i also think this seems to be right.

I also experience this issue when switching to sddm+kde from a Budgie install. @sunnyflunk, feel free to ping me if you want to test.

Proof I actually tested this :P

Sorry bout that guys.

In T5701#104446, @ikey wrote:

Proof I actually tested this :P


Sorry bout that guys.

worked for me too