KDE-Systemsettings ends up in crash, kcmshell5 kcm_kscreen too

[hendrikL]

I am clueless!
Sorry, all i can say is your system is totally messed.
sddm not starting? Even you restart the PC?

[tomsiduction]

Hello and thank you

In fact sddm does not start

Regards

[hendrikL]

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apt update; apt install --reinstall --install-recommends sdm sddm-theme-breeze && reboot

[tomsiduction]

Hello and thank you very much

I did as suggested

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apt update; apt install --reinstall --install-recommends sddm sddm-theme-breeze && reboot


but unfortunately sddm is still not visible.

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kcmshell5 kcm_sddm


crashes too

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kcmshell5 kcm_sddm
QDBusArgument: read from a write-only object
QDBusArgument: read from a write-only object
QDBusArgument: read from a write-only object
libpng warning: iCCP: known incorrect sRGB profile
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kcmshell5 path = /usr/bin pid = 3579
KCrash: Arguments: /usr/bin/kcmshell5 kcm_sddm
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0

[1]+  Angehalten              kcmshell5 kcm_sddm



Thank you again


Regards

[hendrikL]

mh, really no clue what you done with your system.

take a look to the log files, like xorg.log
and
systemctl status sddm

journalctl -b | grep sddm

apt policy
inxi -r

what you can try is, all in getty/tty (ctrl+alt+Fn) as root

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systemctl stop sddm.service
then
systemctl start sddm.service

or/and

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systemctl isolate multi-user.target
then
systemctl isolate graphical.target

<german>
Aber wie gesagt, da ist etwas gewaltig faul und so wie es scheint kann nur ein Wunder oder eine  Neuinstallation das System retten
</german>

Ich streiche die Segel, sorry!

[tomsiduction]

Hello and thank you


I have found the reason but I can not explain.

Inside a different computer everything is going fine.

Same disk!

Sddm ist working there and systemsettings too.

Is there a way to reinstall the whole system of the grafic-card?

I tried a  X -config  but that did not bring the right result.


Regards

[hendrikL]

What kind of gpu?

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inxi -GMSx

[tomsiduction]

Hello and thank you very much for your help

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System:    Host: siduction Kernel: 5.6.7-towo.1-siduction-amd64 x86_64 bits: 64 compiler: gcc v: 9.3.0
           Desktop: KDE Plasma 5.17.5 Distro: siduction 17.1.0 Patience - kde - (201703051755)
           base: Debian GNU/Linux bullseye/sid
Machine:   Type: Laptop System: FUJITSU product: LIFEBOOK E756 v: 10601736746 serial: <superuser/root required>
           Mobo: FUJITSU model: FJNB292 v: N4 serial: <superuser/root required> UEFI [Legacy]: FUJITSU // Insyde
           v: Version 1.19 date: 05/09/2017
Graphics:  Device-1: Intel Skylake GT2 [HD Graphics 520] vendor: Fujitsu Limited. driver: i915 v: kernel
           bus ID: 00:02.0
           Device-2: Chicony Integrated Camera type: USB driver: uvcvideo bus ID: 1-10:5
           Display: x11 server: X.Org 1.20.8 driver: intel resolution: 1600x900~60Hz
           OpenGL: renderer: Mesa Intel HD Graphics 520 (SKL GT2) v: 4.6 Mesa 20.0.6 direct render: Yes



Regards

[hendrikL]

mh, maybe you can use the modestting driver by renaming the xorg.conf to xorg.conf~ or the 20-intel.conf to 20-intel.conf~
you have to look what you have, both con be found in /etc/X11 or /etc/X11/xorg.conf.d/, after renaming restart the laptop.

Then it should look like that
inxi -Gx

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Graphics:  Device-1: Intel Core Processor Integrated Graphics vendor: Lenovo driver: i915 v: kernel bus ID: 00:02.0
           Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa resolution: 1440x900~60Hz
           OpenGL: renderer: Mesa DRI Intel HD Graphics (ILK) v: 2.1 Mesa 20.0.6 direct render: Yes

If it doesn't work, rename  them again and restart the system.

[towo]

The 1st thing, i would try, is intel_iommu=off as bootparameter.

[tomsiduction]

Hello and thank you

Everything ist fixed.

What I did:

I started siduction from a usb-stick and looked for the settings of Xorg in
/etc/X11/xorg.conf.d/ and /usr/share/X11/xorg.conf.d/ while siduction was booted from the stick.
I examined /etc/X11/xorg.conf.d/ and /usr/share/X11/xorg.conf.d/ while the system was running from the stick.
I saw that there was neither in /etc/X11/xorg.conf.d/ or /usr/share/X11/xorg.conf.d/ a file named 20-intel.conf.

So I rebooted from the disk and deleted in /usr/share/X11/xorg.conf.d/ the file
20-intel.conf

(in /etc/X11/xorg.conf.d/ the file 20-intel.conf did not exist)

(@ thank you very much hendrikL for the hint)
and rebooted.

Everything is working again:

SDDM
Systemsettings
vlc

and so on.

Thank you very much to all of you for your great help.


Regards