Black screen after installing plasma desktop on top of xfce

I am running Garuda xfce. I understand that installing a different DE is not supported and not recommended, and I don't expect handholding. But maybe you can give a tip. Maybe I need to delete some GTK files from my Home folder, or is it something else?

I installed KDE by running

pacman -S xorg plasma plasma-wayland-session kde-applications 

Then I installed and activated SDDM.

Then I installed garuda-dr640nized

When I rebooted and logged in, I was greeted by a black and blank desktop.

I restored a snapshot after this failed attempt, so you won't see anything KDE in my system info:



garuda-inxi
System:
  Kernel: 5.15.68-1-lts arch: x86_64 bits: 64 compiler: gcc v: 12.2.0
    parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-lts
    root=UUID=1ae1827d-082e-4190-8d66-84aa16e7a79c rw [email protected]
    quiet quiet splash rd.udev.log_priority=3 vt.global_cursor_default=0
    loglevel=3
  Desktop: Xfce v: 4.16.1 tk: Gtk v: 3.24.34 info: xfce4-panel wm: xfwm
    v: 4.16.1 vt: 7 dm: LightDM v: 1.32.0 Distro: Garuda Linux base: Arch Linux
Machine:
  Type: Desktop Mobo: ASUSTeK model: PRIME B365M-A v: Rev X.0x
    serial: <superuser required> UEFI: American Megatrends v: 1203
    date: 10/10/2019
CPU:
  Info: model: Intel Core i7-9700 bits: 64 type: MCP arch: Coffee Lake
    gen: core 9 level: v3 built: 2018 process: Intel 14nm family: 6
    model-id: 0x9E (158) stepping: 0xD (13) microcode: 0xF0
  Topology: cpus: 1x cores: 8 smt: <unsupported> cache: L1: 512 KiB
    desc: d-8x32 KiB; i-8x32 KiB L2: 2 MiB desc: 8x256 KiB L3: 12 MiB
    desc: 1x12 MiB
  Speed (MHz): avg: 4251 high: 4572 min/max: 800/4700 scaling:
    driver: intel_pstate governor: performance cores: 1: 4572 2: 4444 3: 4414
    4: 4456 5: 2529 6: 4528 7: 4536 8: 4529 bogomips: 48000
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: itlb_multihit status: KVM: Split huge pages
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data mitigation: Clear CPU buffers; SMT disabled
  Type: retbleed mitigation: Enhanced IBRS
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl and seccomp
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Enhanced IBRS, IBPB: conditional, RSB
    filling, PBRSB-eIBRS: SW sequence
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort mitigation: TSX disabled
Graphics:
  Device-1: Intel CoffeeLake-S GT2 [UHD Graphics 630] vendor: ASUSTeK
    driver: i915 v: kernel arch: Gen-9.5 process: Intel 14nm built: 2016-20
    ports: active: HDMI-A-1,HDMI-A-2 empty: DP-1 bus-ID: 00:02.0
    chip-ID: 8086:3e98 class-ID: 0300
  Device-2: Microdia USB Live camera type: USB
    driver: snd-usb-audio,uvcvideo bus-ID: 1-1.2:7 chip-ID: 0c45:636b
    class-ID: 0102 serial: <filter>
  Display: x11 server: X.Org v: 21.1.4 compositor: xfwm v: 4.16.1 driver:
    X: loaded: modesetting alternate: fbdev,intel,vesa gpu: i915
    display-ID: :0.0 screens: 1
  Screen-1: 0 s-res: 3840x1080 s-dpi: 96 s-size: 1016x286mm (40.00x11.26")
    s-diag: 1055mm (41.55")
  Monitor-1: HDMI-A-1 mapped: HDMI-1 pos: primary,right model: VG27AQ1A
    serial: <filter> built: 2020 res: 1920x1080 hz: 120 dpi: 82 gamma: 1.2
    size: 596x336mm (23.46x13.23") diag: 685mm (27") ratio: 16:9 modes:
    max: 2560x1440 min: 720x400
  Monitor-2: HDMI-A-2 mapped: HDMI-2 pos: primary,left
    model: Samsung S24B300 serial: <filter> built: 2013 res: 1920x1080 hz: 60
    dpi: 94 gamma: 1.2 size: 521x293mm (20.51x11.54") diag: 598mm (23.5")
    ratio: 16:9 modes: max: 1920x1080 min: 720x400
  OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa
    22.1.7 direct render: Yes
Audio:
  Device-1: Intel 200 Series PCH HD Audio vendor: ASUSTeK
    driver: snd_hda_intel bus-ID: 1-1.2:7 v: kernel chip-ID: 0c45:636b
    bus-ID: 00:1f.3 class-ID: 0102 chip-ID: 8086:a2f0 class-ID: 0403
    serial: <filter>
  Device-2: Microdia USB Live camera type: USB
    driver: snd-usb-audio,uvcvideo
  Sound Server-1: ALSA v: k5.15.68-1-lts running: yes
  Sound Server-2: PulseAudio v: 16.1 running: no
  Sound Server-3: PipeWire v: 0.3.58 running: yes
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: ASUSTeK PRIME B450M-A driver: r8169 v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: e000 bus-ID: 03:00.0 chip-ID: 10ec:8168
    class-ID: 0200
  IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
  Device-2: Realtek 802.11ac NIC type: USB driver: rtl8821cu
    bus-ID: 1-1.1:4 chip-ID: 0bda:c811 class-ID: 0000 serial: <filter>
  IF: wlp0s20f0u1u1 state: dormant mac: <filter>
Bluetooth:
  Device-1: Cambridge Silicon Radio Bluetooth Dongle (HCI mode) type: USB
    driver: btusb v: 0.8 bus-ID: 1-2.2:8 chip-ID: 0a12:0001 class-ID: e001
  Report: bt-adapter ID: hci0 rfk-id: 1 state: up address: <filter>
Drives:
  Local Storage: total: 2.26 TiB used: 794.76 GiB (34.4%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda maj-min: 8:0 vendor: Kingston model: SA400S37480G
    size: 447.13 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: K1B3 scheme: GPT
  ID-2: /dev/sdb maj-min: 8:16 vendor: Toshiba model: HDWD120
    size: 1.82 TiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    type: HDD rpm: 7200 serial: <filter> rev: ACF0 scheme: GPT
Partition:
  ID-1: / raw-size: 58.83 GiB size: 58.83 GiB (100.00%) used: 32.12 GiB
    (54.6%) fs: btrfs dev: /dev/sda6 maj-min: 8:6
  ID-2: /boot/efi raw-size: 100 MiB size: 96 MiB (96.00%) used: 37.1 MiB
    (38.7%) fs: vfat dev: /dev/sda1 maj-min: 8:1
  ID-3: /home raw-size: 58.83 GiB size: 58.83 GiB (100.00%) used: 32.12 GiB
    (54.6%) fs: btrfs dev: /dev/sda6 maj-min: 8:6
  ID-4: /var/log raw-size: 58.83 GiB size: 58.83 GiB (100.00%) used: 32.12
    GiB (54.6%) fs: btrfs dev: /dev/sda6 maj-min: 8:6
  ID-5: /var/tmp raw-size: 58.83 GiB size: 58.83 GiB (100.00%) used: 32.12
    GiB (54.6%) fs: btrfs dev: /dev/sda6 maj-min: 8:6
Swap:
  Kernel: swappiness: 133 (default 60) cache-pressure: 100 (default)
  ID-1: swap-1 type: zram size: 15.49 GiB used: 0 KiB (0.0%) priority: 100
    dev: /dev/zram0
Sensors:
  System Temperatures: cpu: 43.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 323 Uptime: 1h 3m wakeups: 0 Memory: 15.49 GiB used: 9.78 GiB
  (63.2%) Init: systemd v: 251 default: graphical tool: systemctl
  Compilers: gcc: 12.2.0 Packages: pm: pacman pkgs: 1412 libs: 375
  tools: pamac,paru,yay Shell: Zsh v: 5.9 default: Bash v: 5.1.16
  running-in: xfce4-terminal inxi: 3.3.21
Garuda (2.6.7-1):
  System install date:     2022-09-12
  Last full system update: 2022-09-19
  Is partially upgraded:   No
  Relevant software:       NetworkManager
  Windows dual boot:       Probably (Run as root to verify)
  Snapshots:               Snapper
  Failed units:

The problem is that it boots by default to Plasma Wayland, and something is broken about it. If I choose Plasma X11 at the login screen instead, everything looks right.

Install sddm-git (formerly sddm-wayland-git), check the post below and try again with wayland (if interested).

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