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SDDM can't start Plasma
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archenroot
Apprentice
Apprentice


Joined: 13 Dec 2011
Posts: 203
Location: Lake Macha, Czech republic

PostPosted: Mon Dec 18, 2017 6:15 am    Post subject: Reply with quote

I also hit now the error. I have 2 machines, older one with 2 xeons and 2x nvidia 1080 TI cards and plasma works and I can use steam engine for games, no issues.

I have second new mobile server build (mini-itx 18 core xeon with 1x 1080 TI) and while on:
Code:
zangetsu@mobile-server ~/steam $ eselect opengl list
Available OpenGL implementations:
  [1]   nvidia
  [2]   xorg-x11 *


It works, but I cannot get steam working:
Code:
Installing breakpad exception handler for appid(steam)/version(0)
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast


When I switched opengl to nvidia, the issue here described about plasma cannot use/access opengl occured. I am now going to see what is the difference in my installations :D and will report back. On the machine where it works I deffinetely didn't do any kind of scripting in bash I simply followed installation.

I noticed few facts on the machine which has problems, but didn't check back against the working one:
my user is not part of video group
ssdm user is part of video group
I use global opengl use flag

Now I will check the working machine.
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balo2k
n00b
n00b


Joined: 05 Feb 2007
Posts: 12
Location: Rancagua

PostPosted: Sun Dec 24, 2017 7:47 pm    Post subject: Reply with quote

I'm actually have an nvidia card (GeForce GTX 460 SE) and I'm happy using plasma 5 with sddm, and opengl set on nvidia.

I have the problem with the black screen on sddm start since I upgraded KDE4, but in my system is fixed deleting this file:

/lib/udev/nvidia-udev.sh

Each time nvidia-drivers are updated I have to remember to delete it.

I don't know if this could help anyone, please make a backup of the file just in case.
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asturm
Developer
Developer


Joined: 05 Apr 2007
Posts: 6995
Location: Austria

PostPosted: Sun Dec 24, 2017 7:57 pm    Post subject: Reply with quote

balo2k wrote:
/lib/udev/nvidia-udev.sh

Each time nvidia-drivers are updated I have to remember to delete it.

I don't know if this could help anyone, please make a backup of the file just in case.

I'm no NVidia user, but it seems this file was last changed due to bug 454740.
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