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Plasma only shows debugging text after loading[SOLVED]
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EugeneTheJeep
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PostPosted: Mon Jan 29, 2018 10:07 pm    Post subject: Plasma only shows debugging text after loading[SOLVED] Reply with quote

Hello,

I'm having an issue with KDE Plasma where it loads and successfully shows the KDE splash screen, then reverts to terminal and only shows scrolling debugging text. It happened after the most recent KDE update and a kernel recompile. I'm not sure which if either caused it, because I hadn't rebooted my computer between performing those two tasks. I've verified that X is functioning properly by renaming .xinitrc and emerging twm, xclock, and xterm. That environment worked just fine, so it's certainly a Plasma issue. I'm not sure, however, where to start troubleshooting this. I'm considering unmerging plasma-meta then re-emerging the desktop environment, but I'm looking for some feedback before I start that time consuming task. Any advice is appreciated!


Last edited by EugeneTheJeep on Wed Jan 31, 2018 12:41 pm; edited 1 time in total
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asturm
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PostPosted: Mon Jan 29, 2018 10:13 pm    Post subject: Reply with quote

It is not very efficient to open a new thread when you provided relevant logs already elsewhere.

EugeneTheJeep wrote:
Code:

$ startx
xauth:  file /home/jeep/.serverauth.26306 does not exist

Code:
rm ~/.Xauthority

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backend.cpp:92:2: warning: #warning TODO - this error message is about as useful as a cooling unit in the arctic
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EugeneTheJeep
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PostPosted: Mon Jan 29, 2018 10:24 pm    Post subject: Reply with quote

Quote:

It is not very efficient to open a new thread when you provided relevant logs already elsewhere.


It was what I was instructed to do by an admin.

Quote:

rm ~/.Xauthority


Thank you. However, the behavior persists.
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NeddySeagoon
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PostPosted: Mon Jan 29, 2018 10:33 pm    Post subject: Reply with quote

asturm,

I asked for a new thread, as I am not a KDE user.
Lots of reads will miss a change in topic but the unanswered posts search helps spot new issues.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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EugeneTheJeep
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PostPosted: Mon Jan 29, 2018 10:50 pm    Post subject: Reply with quote

I recorded a short video of the behavior so it was clear what is going on. At about the 45 second mark I CTRL+C out, and it eventually returns to the terminal prompt.

https://youtu.be/63deZHfIudg

Also, I will gladly repost any logs here that are relevant to the thread.
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Xywa
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PostPosted: Wed Jan 31, 2018 10:54 am    Post subject: Reply with quote

Hi,

I have the same issue since last time. After startx, I could see the KDE logo for a moment, and then just debbuging text. I need to manually (by alt+F7) switch into graphic console (which has some graphic issue as well).

I use a laptop.
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asturm
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PostPosted: Wed Jan 31, 2018 10:59 am    Post subject: Reply with quote

Do you for some reason have both systemd and consolekit installed?
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EugeneTheJeep
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PostPosted: Wed Jan 31, 2018 12:37 pm    Post subject: Reply with quote

Quote:

Do you for some reason have both systemd and consolekit installed?


I use openrc; I don't have systemd installed...

Code:

~ $ eix --installed systemd
No matches found


Quote:

I have the same issue since last time. After startx, I could see the KDE logo for a moment, and then just debbuging text. I need to manually (by alt+F7) switch into graphic console (which has some graphic issue as well).


Yes, thank you. I actually figured it out last night, but yeah now I need to manually alt+F7 to reach desktop. Actually NeddySeagoon suggested the same, but he put alt+ctrl+F7 so I missed it the first time around. I should have known that's what he meant since I already knew how to switch terminals.

Anyways, thanks to both you Xywa and NeddySeagoon for helping me figure it out.
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Hu
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PostPosted: Thu Feb 01, 2018 3:50 am    Post subject: Reply with quote

As a minor technical note: Alt+Fn works on the Linux console and is handled by the kernel. When X is running, you must use Ctrl+Alt+Fn and the key sequence is handled by the X server, which for convention does the same as the kernel would have done for plain Alt+Fn. If your X server is sufficiently broken, you might get into a state where the kernel's Alt+Fn works, but the X server's Ctrl+Alt+Fn fails.
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Xywa
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PostPosted: Thu Feb 01, 2018 9:50 am    Post subject: Reply with quote

asturm wrote:
Do you for some reason have both systemd and consolekit installed?


I have:
Code:
*  sys-apps/systemd
      Latest version available: 236-r5
      Latest version installed: [ Not Installed ]


Code:
*  sys-auth/consolekit
      Latest version available: 1.2.0
      Latest version installed: 1.2.0


What do you think makes this problem, as for the last 12 years (or more) I never had such issue.
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asturm
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PostPosted: Thu Feb 01, 2018 10:03 am    Post subject: Reply with quote

Because someone recently reported a similar issue that was gone after removing consolekit.

...not sure if 12 years ago you had systemd installed.
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Xywa
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PostPosted: Thu Feb 01, 2018 10:50 am    Post subject: Reply with quote

asturm wrote:
Because someone recently reported a similar issue that was gone after removing consolekit.

...not sure if 12 years ago you had systemd installed.


So should I remove consolekit?
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asturm
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PostPosted: Thu Feb 01, 2018 10:56 am    Post subject: Reply with quote

Just try? What does it do on your systemd system anyway?
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Xywa
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PostPosted: Thu Feb 01, 2018 11:05 am    Post subject: Reply with quote

asturm wrote:
Just try? What does it do on your systemd system anyway?


After removing, emerge -uDN world did put it back.

Code:
# equery d consolekit
 * These packages depend on consolekit:
kde-plasma/powerdevil-5.11.5 (consolekit ? >=sys-auth/consolekit-1.0.1)
net-misc/networkmanager-1.8.4 (consolekit ? >=sys-auth/consolekit-1.0.0)
sys-apps/accountsservice-0.6.45 (!elogind ? sys-auth/consolekit)
sys-auth/pambase-20150213-r1 (consolekit ? sys-auth/consolekit[pam])
sys-auth/polkit-0.113-r4 (!elogind ? sys-auth/consolekit[policykit])
x11-misc/sddm-0.17.0-r1 (consolekit ? >=sys-auth/consolekit-0.9.4)
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asturm
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PostPosted: Thu Feb 01, 2018 11:10 am    Post subject: Reply with quote

Then check your use flags on those packages...
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wklam
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PostPosted: Sat Feb 03, 2018 6:10 pm    Post subject: Reply with quote

Thanks for everyone in this thread for pointing me to the right direction.

I have similar issue when logging in Plasma / KDE with startx couple weeks ago.

My ~/.xinitrc used to be, until today, simply:

Code:
exec /usr/bin/startkde


Then I started having issues when startx launching KDE / Plasma going to debug screen / console last couple weeks. Before that, this setup had been running fine for many (10~11?) years.

When this happens KDE / KWIN / Plasma is actually running, despite going to console debug screen. I have to use ALT-F7 / ALT-CRTL-F7 from the debugging console to go back to the plasma desktop.

I tried a couple other things: Removing ~/.cache, removing ~/.local/share/[kde related rc files], fiddling with opengl settings... None of them worked.

So the last couple replies in this thread gave me hints for looking into consolekits.

I did not remove consolekit. Doing so requiring some USE flag changes + elogind. I am too lazy to try anything new.

Finally, my issue was solved with a modified ~/.xinitrc, which was mentioned in

https://wiki.gentoo.org/wiki/ConsoleKit#startx_integration

Code:
exec ck-launch-session dbus-launch --sh-syntax --exit-with-session /usr/bin/startkde


Hope this helps others with similar issues.

Thanks again!

-William
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asturm
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PostPosted: Sat Feb 03, 2018 6:51 pm    Post subject: Reply with quote

This is also part of our Gentoo KDE wiki.

wklam wrote:
Before that, this setup had been running fine for many (10~11?) years.

It was not; you must have had a broken user session (at least) ever since Plasma-5 (no device permissions etc.).
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Xywa
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PostPosted: Tue Feb 13, 2018 11:37 am    Post subject: Reply with quote

wklam wrote:
Finally, my issue was solved with a modified ~/.xinitrc, which was mentioned in
Code:
exec ck-launch-session dbus-launch --sh-syntax --exit-with-session /usr/bin/startkde



^^ this did the trick for me :)
i used to have: exec startkde

Thanks for that also my kde button like [poweroff] or [restart] finaly works for me :)
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asturm
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PostPosted: Tue Feb 13, 2018 11:59 am    Post subject: Reply with quote

Just reading the Gentoo KDE wiki helps as well...
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Xywa
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PostPosted: Tue Feb 13, 2018 12:06 pm    Post subject: Reply with quote

asturm wrote:
Just reading the Gentoo KDE wiki helps as well...


It used to work for me since 2005 through few laptops and stable and unstable Gentoo. I was not aware of any changes :)
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