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List:       fedora-list
Subject:    Re: sddm black screen:
From:       Rex Dieter <rdieter () math ! unl ! edu>
Date:       2018-07-09 22:52:42
Message-ID: pi0orn$s4q$1 () blaine ! gmane ! org
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Frédéric wrote:

> Jul 08 21:41:15 gamma sddm-greeter[2174]: Failed to create OpenGL
> context for format QSurfaceFormat(version 2.0, options
> QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24,
> redBufferSize -1, gree

This is likely it:

Jul 08 21:41:15 gamma sddm-greeter[2174]: Failed to create OpenGL 
context for format QSurfaceFormat(version 2.0, options 
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, 
redBufferSize -1, gree 
...
Jul 08 21:41:14 gamma sddm-greeter[2174]: QGLXContext: Failed to 
create dummy context 
Jul 08 21:41:14 gamma audit[2174]: AVC avc:  denied  { map } for 
pid=2174 comm="sddm-greeter" path="/dev/nvidiactl" dev="devtmpfs" 
ino=49303 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 
tcontext=syst 

video driver opengl failure of some sort, though may be selinux-related due 
to the denial logged too.

-- Rex
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