https://bugs.kde.org/show_bug.cgi?id=377096
Bug ID: 377096
Summary: Compsiting won't work no matter what I do...
Product: kwin
Version: 5.8.5
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: cjd...@brokensolstice.com
Target Milestone: ---
Hi. I have been battling this for months now. I'm currently at 5.8.5 (Gentoo
stable), but this problem has been around for some time.
I have opened this thread here:
https://forums.gentoo.org/viewtopic-p-8037756.html#8037756
But no one seems to have any insight on the topic.
In sum:
If I try to start KDE either from SDDM or from startx (which contains: "exec
startkde), I get a pop-up window that says: "Plasma is unable to start as it
could not correctly use OpenGL 2. Please check your graphic divers are set up
correctly."
If I run it as me (a user that has existed on this system for 3 years+), it
will start, but compositing won't work. However OpenGL works for everything
else, Xscreensaver, GLspeheres, GLXGears, etc. As far as I can see, it is only
Plasma that is affected.
I have blown away my .kde directory and let it generate a new one. I've blown
away all the plasma/KDE settings I can find in .conf and .local. I have tried
a million different options in my xorg.conf. I have toggled all settings for
my opengl (xorg, vs. nvidia), I have removed all flags and references to gles2
and egl from all the KDE packages (though my mesa currently has egl, because my
working system that I am comparing this to has that compiled in to mesa). I
have tried using lightdm. I have made sure that the users have rights to
/dev/nvidia... I have toggled between xrender, Opengl 2.0 and Opengl 3.1
countless times, I have recompiled my *entire system* several times, and
re-built KDE/Plasma numerous times as well (in an effort to ensure consistency
across the system with regard to compile flags). I've dropped down to one
monitor, combed through my kernel options, played with compile flags,
re-compiled NVIDIA drivers until I'm blue in the face... Nothing seems to work.
I've looked everywhere for meaningful output, the console, dmesg and log
file... I cannot find anything that returns anything useful in a google or DDG
search.
I'm using an NVIDIA GTX 750, and the xorg.conf works in all other respects.
I don't think I've ever put more time into trouble-shooting a problem with my
system than this... and I've come up with nothing, and no one on the Gentoo
Forums seems to have any insights. So... I'm wondering if this is a bug...
Thanks.
G
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