Startet nicht mehr automatisch Kde plasma sondern Gnome -xorg session

Seit heute habe ich ein komisches Phänomen, mein Laptop startet nicht mehr automatisch mit KDE - Plasma sondern das Bild wird Blau und es sieht nach Gnome aus. Wenn ich mich davon abmelde und im Abmeldebildschirm umstelle auf KDE Plasma startet es normal.
Umgestellt habe ich nichts, halt nur alle Updates gemacht.

Inxi - Fxz
lm98 Kernel: 4.19.79-1-MANJARO x86_64 bits: 64 compiler: gcc v: 9.2.0 Desktop: KDE Plasma 5.16.5 Distro: Manjaro Linux Machine: Type: Laptop System: Packard Bell product: EasyNote LM98 v: V1.20 serial: <filter> Mobo: Packard Bell model: SJV71_CP v: V1.20 serial: <filter> BIOS: Phoenix v: 1.20 date: 01/10/2011 Battery: ID-1: BAT0 charge: 44.6 Wh condition: 95.0/95.0 Wh (100%) model: Panasonic AS10D51 status: Charging CPU: Topology: Dual Core model: Intel Pentium P6200 bits: 64 type: MCP arch: Nehalem rev: 5 L2 cache: 3072 KiB flags: lm nx pae sse sse2 sse3 ssse3 bogomips: 8515 Speed: 933 MHz min/max: 933/2133 MHz Core speeds (MHz): 1: 931 2: 984 Graphics: Device-1: Intel Core Processor Integrated Graphics vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0 Display: x11 server: X.Org 1.20.5 driver: intel unloaded: modesetting resolution: 1600x900~60Hz OpenGL: renderer: Mesa DRI Intel Ironlake Mobile v: 2.1 Mesa 19.2.1 direct render: Yes Audio: Device-1: Intel 5 Series/3400 Series High Definition Audio vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 00:1b.0 Sound Server: ALSA v: k4.19.79-1-MANJARO Network: Device-1: Broadcom and subsidiaries NetLink BCM57780 Gigabit Ethernet PCIe vendor: Acer Incorporated ALI Aspire 7740G driver: tg3 v: 3.137 port: 1840 bus ID: 02:00.0 IF: enp2s0 state: down mac: <filter> Device-2: Qualcomm Atheros AR9287 Wireless Network Adapter vendor: Lite-On driver: ath9k v: kernel port: 1840 bus ID: 04:00.0 IF: wlp4s0 state: up mac: <filter> Drives: Local Storage: total: 149.05 GiB used: 94.85 GiB (63.6%) ID-1: /dev/sda vendor: Intel model: SSDSA2M160G2GC size: 149.05 GiB Partition: ID-1: / size: 138.05 GiB used: 94.85 GiB (68.7%) fs: ext4 dev: /dev/sda1 ID-2: swap-1 size: 7.78 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda2 Sensors: System Temperatures: cpu: 52.0 C mobo: N/A Fan Speeds (RPM): N/A Info: Processes: 181 Uptime: 8m Memory: 3.53 GiB used: 1.55 GiB (43.9%) Init: systemd Compilers: gcc: 9.2.0 clang: 9.0.0 Shell: bash v: 5.0.11 inxi: 3.0.36

ls /usr/share/xsessions/
gnome.desktop  gnome-xorg.desktop  plasma.desktop

ls /usr/share/wayland-sessions/
gnome.desktop

cat /usr/share/xsessions/plasma.desktop | grep -v Comment | grep -v Name
[Desktop Entry]
Type=XSession
Exec=/usr/bin/startkde
TryExec=/usr/bin/startkde
X-KDE-PluginInfo-Version=5.16.5

journalctl -p err --since today
Okt 17 13:17:43 lm98 kdeconnectd[5837]: This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
                                        
                                        Available platform plugins are: wayland-org.kde.kwin.qpa, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.

Was hab ich schon versucht.

  1. Alle installieren Kernel getested, 4.19/ 5.3 /4.14
  2. das sind die letzten Aktionen, Am 15. und 16. Oktober war alles in Odnung.
2019-10-17 17:07] [ALPM] reinstalled kdeconnect (1.3.5-3)
[2019-10-17 17:07] [ALPM] reinstalled kdeconnect (1.3.5-3)
[2019-10-17 16:40] [ALPM] reinstalled kglobalaccel (5.62.0-1)
[2019-10-17 12:28] [ALPM] upgraded pamac-tray-appindicator (9.0.0-3 -> 9.0.0-4)
[2019-10-17 12:28] [ALPM] upgraded pamac-gtk (9.0.0-3 -> 9.0.0-4)
[2019-10-17 12:28] [ALPM] upgraded pamac-cli (9.0.0-3 -> 9.0.0-4)
[2019-10-17 12:28] [ALPM] upgraded pamac-common (9.0.0-3 -> 9.0.0-4)
[2019-10-15 17:03] [ALPM] upgraded mailspring (1.6.3-1 -> 1.7.1-1)
[2019-10-15 17:02] [ALPM] upgraded sudo (1.8.27-1 -> 1.8.28-0)
[2019-10-15 17:02] [ALPM] upgraded manjaro-release (18.1.0-1 -> 18.1.1-1)
[2019-10-15 17:02] [ALPM] upgraded manjaro-hello (0.6.2-1 -> 0.6.2-2)
[2019-10-14 11:33] [ALPM] upgraded yakuake (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:33] [ALPM] upgraded vulkan-radeon (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:33] [ALPM] upgraded vulkan-intel (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:33] [ALPM] upgraded vte3 (0.58.1-1 -> 0.58.2-1)
[2019-10-14 11:33] [ALPM] upgraded vte-common (0.58.1-1 -> 0.58.2-1)
[2019-10-14 11:33] [ALPM] upgraded spectacle (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:33] [ALPM] upgraded python-shiboken2 (5.13.1-1 -> 5.13.1-2)
[2019-10-14 11:33] [ALPM] upgraded python-pip (19.2.3-1.4 -> 19.2.3-1.5)
[2019-10-14 11:33] [ALPM] upgraded python-attrs (19.1.0-1 -> 19.2.0-1)
[2019-10-14 11:33] [ALPM] upgraded print-manager (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:33] [ALPM] upgraded papirus-icon-theme (20191009-0 -> 20191009-1)
[2019-10-14 11:32] [ALPM] upgraded openssh (8.0p1-3 -> 8.1p1-1)
[2019-10-14 11:32] [ALPM] upgraded okular (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded npm (6.11.3-1 -> 6.12.0-1)
[2019-10-14 11:32] [ALPM] upgraded mpv (1:0.29.1-10 -> 1:0.29.1-11)
[2019-10-14 11:32] [ALPM] upgraded mesa-vdpau (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded man-pages (5.02-1 -> 5.03-1)
[2019-10-14 11:32] [ALPM] upgraded linux53 (5.3.5-1 -> 5.3.6-1)
[2019-10-14 11:32] [ALPM] upgraded linux419 (4.19.78-1 -> 4.19.79-1)
[2019-10-14 11:32] [ALPM] upgraded linux414 (4.14.148-1 -> 4.14.149-1)
[2019-10-14 11:32] [ALPM] upgraded libva-mesa-driver (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded libksane (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded lib32-vulkan-radeon (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded lib32-vulkan-intel (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded lib32-mesa-vdpau (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded lib32-mesa (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:32] [ALPM] upgraded lib32-llvm-libs (8.0.1-1 -> 9.0.0-1)
[2019-10-14 11:32] [ALPM] upgraded kwalletmanager (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kvantum-qt5 (0.11.2-1 -> 0.12.1-1)
[2019-10-14 11:32] [ALPM] upgraded ksystemlog (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded konsole (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded khelpcenter (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kget (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded qt5-tools (5.13.1-1 -> 5.13.1-2)
[2019-10-14 11:32] [ALPM] upgraded kfind (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded keditbookmarks (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kdialog (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kdenlive (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kdenetwork-filesharing (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kdegraphics-thumbnailers (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded libkexiv2 (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kcalc (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kate (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kamoso (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kamera (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kaccounts-providers (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded gwenview (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kaccounts-integration (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded signon-kwallet-extension (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded libkdcraw (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded libkipi (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded gnome-settings-daemon (3.34.0-1 -> 3.34.1-1)
[2019-10-14 11:32] [ALPM] upgraded firefox-i18n-en-us (69.0.2-1 -> 69.0.3-1)
[2019-10-14 11:32] [ALPM] upgraded firefox-i18n-de (69.0.2-1 -> 69.0.3-1)
[2019-10-14 11:32] [ALPM] upgraded firefox (69.0.2-1 -> 69.0.3-1)
[2019-10-14 11:32] [ALPM] upgraded filelight (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded ffmpegthumbs (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded dolphin-plugins (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded dolphin (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kio-extras (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded cups-filters (1.25.9-1 -> 1.25.11-1)
[2019-10-14 11:32] [ALPM] upgraded clang (8.0.1-1 -> 9.0.0-2)
[2019-10-14 11:32] [ALPM] upgraded compiler-rt (8.0.1-1 -> 9.0.0-2)
[2019-10-14 11:32] [ALPM] upgraded baloo-widgets (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded ark (19.08.1-1 -> 19.08.2-1)
[2019-10-14 11:32] [ALPM] upgraded kbd (2.2.0-3 -> 2.2.0-4)
[2019-10-14 11:32] [ALPM] upgraded sqlite (3.30.0-1 -> 3.30.1-1)
[2019-10-14 11:32] [ALPM] upgraded mesa (19.2.1-0 -> 19.2.1-1)
[2019-10-14 11:31] [ALPM] upgraded llvm-libs (8.0.1-3 -> 9.0.0-3)
[2019-10-14 10:57] [ALPM] upgraded pamac-tray-appindicator (9.0.0-2 -> 9.0.0-3)
[2019-10-14 10:57] [ALPM] upgraded pamac-gtk (9.0.0-2 -> 9.0.0-3)
[2019-10-14 10:57] [ALPM] upgraded pamac-cli (9.0.0-2 -> 9.0.0-3)
[2019-10-14 10:57] [ALPM] upgraded pamac-common (9.0.0-2 -> 9.0.0-3)

Welcher Display Manager wird bei Dir eingesetzt?

Hallo @philm, installiert ist laut pacman sddm, sonst keiner.

loginctl show-session $XDG_SESSION_ID
Id=4
User=1000
Name=marika
Timestamp=Thu 2019-10-17 22:31:35 CEST
TimestampMonotonic=36585881
VTNr=1
Seat=seat0
Display=:0
Remote=no
Service=sddm
Desktop=KDE
Scope=session-4.scope
Leader=1188
Audit=4
Type=x11
Class=user
Active=yes
State=active
IdleHint=no
IdleSinceHint=0
IdleSinceHintMonotonic=0
LockedHint=no

[marika@lm98 ~]$ systemctl status sddm
● sddm.service - Simple Desktop Display Manager
   Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2019-10-17 22:31:03 CEST; 18min ago
     Docs: man:sddm(1)
           man:sddm.conf(5)
 Main PID: 363 (sddm)
    Tasks: 5 (limit: 4313)
   Memory: 84.1M
   CGroup: /system.slice/sddm.service
           ├─ 363 /usr/bin/sddm
           └─1153 /usr/lib/Xorg -nolisten tcp -auth /var/run/sddm/{606b2c34-fcbe-4189-bcb2-c490e3c89753} -background none -noreset -displayfd 17 -seat seat0 vt1

Okt 17 22:31:34 lm98 sddm-helper[1188]: pam_kwallet5(sddm:auth): (null): pam_sm_authenticate
Okt 17 22:31:35 lm98 sddm-helper[1188]: [PAM] returning.
Okt 17 22:31:35 lm98 sddm[363]: Authenticated successfully
Okt 17 22:31:35 lm98 sddm-helper[1188]: pam_kwallet5(sddm:setcred): pam_kwallet5: pam_sm_setcred
Okt 17 22:31:35 lm98 sddm-helper[1188]: pam_unix(sddm:session): session opened for user marika by (uid=0)
Okt 17 22:31:35 lm98 sddm[363]: Auth: sddm-helper exited successfully
Okt 17 22:31:35 lm98 sddm[363]: Greeter stopped.
Okt 17 22:31:35 lm98 sddm-helper[1188]: pam_kwallet5(sddm:session): pam_kwallet5: pam_sm_open_session
Okt 17 22:31:35 lm98 sddm-helper[1188]: Starting: "/usr/share/sddm/scripts/Xsession \"/usr/bin/startkde\""
Okt 17 22:31:35 lm98 sddm[363]: Session started

Have you verified if kwayland is installed properly by

pacman -Qi kwayland

If not, then I guess kdeconnect should be completely re-installed incl. all dependencies.

Thank you for your help, i have done it yet before i read your post, kwayland is installed.

I searched the settings of kde again and found another entry in the advanced settings of the login screen, there i could set the automatic login to plasma again, and after a reboot everything is normal again.

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