GNOME/GDM Login Loop after update (Radeon GPU) - Manual gnome-shell works, GDM/LightDM fails

[regemaster]

Hi everyone,

I’m struggling with a persistent login issue on Manjaro (GNOME, Radeon GPU) after a recent system update. I’ve tried several troubleshooting steps, but I’m stuck in a “Login Loop” or a blank GDM screen.

The Problem:

• GDM: Shows a gray screen with the top bar (clock/icons), but the login prompt never appears.
• LightDM: (Installed for testing) Shows the login screen, but after entering credentials, it flashes black and returns to the login screen (Login Loop).
• Interesting Fact: If I switch to TTY and run gnome-shell, the desktop environment starts and works correctly. However, running dbus-run-session gnome-shell fails with an error.

What I’ve Done So Far:

1. Drivers/KMS: Verified Radeon (Mesa) drivers. Added amdgpu to MODULES in /etc/mkinitcpio.conf and ran mkinitcpio -P. No change.
2. Sessions: Discovered that /usr/share/xsessions was missing. Reinstalled gnome-session, gnome-shell, and manually recreated session files.
3. Config: Tested both WaylandEnable=false and true in /etc/gdm/custom.conf.
4. Permissions: Checked ~/.Xauthority and ran chown -R $USER:$USER on my home directory.
5. New User: Created a fresh test user – the same login loop occurs, so it’s not a local config issue in my home folder.
6. Reinstalls: Reinstalled gdm, gnome-shell, and video-linux (via mhwd).

Current Status:

It seems like the graphics stack is fine, but there’s a breakdown in communication between the Display Manager and D-Bus/User Session. The system “lives,” but the session initialization fails.

System Info:

• OS: Manjaro
• DE: GNOME
• GPU: Radeon (using open-source drivers)

Does anyone have insights into why dbus-run-session might be failing or why GDM/LightDM cannot hand over the session to GNOME even though the shell itself can run manually?

Any help would be greatly appreciated!

[soundofthunder]

Please provide your system information to allow others to better respond to your query:

---

[Mini-HowTo] Provide System Information

Basic details provided by *-fetch type apps might give enough information for someone wishing to buy a computer, however, for Support purposes it’s best to ask your system directly.

Output of the inxi command will generate more useful and detailed information for those who may wish to help:

---

Suggested inxi command (use either):

inxi -zv8	(short-form)
inxi --filter --verbosity=8	(long-form)

• man inxi (The inxi manual)

---

Command output should be presented as pre-formatted text in accordance with forum guidelines.

---

Running inxi within a chroot environment

• Add --color=0 to the long-form command, or…
• Change the short-form command to inxi -zv8c0

Your privacy is respected

Run inxi using the --filter or -z parameters: personally identifiable information is filtered from the resulting output.

---

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Note: Grave accent (or, backtick) characters are used.

For inline code or to show a single command:

• please follow this simple example: code here.

For multi-line command output:

• place text beween two rows of three (```) backtick characters to form a scrollable text box, or …
• use the </> button in the Compose window to achieve the same result.

Important: Click the </> button and paste text between the backticks (if using the old Compose layout). Otherwise, paste into the box generated (if using the new Compose layout).

The empty row between these rows of backtick characters is where to paste any multi-line command output (such as inxi).

An example of a pre-formatted text enclosure:

What is a Quark?

A. In Physics, an elementary particle and fundamental constituent of matter. 
B. A character from the Star Trek: "Deep Space Nine" television series.
C. A soft, creamy, usually unsalted cheese traditional to central Europe.

---

[regemaster]

Hi @soundofthunder!
I am so sorry for the wait! I’m back, online, and ready to fix this, hopefully with your help

Thanks for response and for detailed instruction about posting rules

Command:
$ inxi -zv8c0 2>&1 | tee ~/result

Result:

System:
  Kernel: 6.1.170-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/vmlinuz-6.1-x86_64
    root=UUID=0e0c75a8-f72c-45cb-9162-5103792c992d rw quiet apparmor=1
    security=apparmor udev.log_priority=3 sysrq_always_enabled=1 idle=nomwait
    processor.max_cstate=1
  Desktop: N/A wm: gnome-shell vt: 3 dm: LightDM v: 1.32.0 Distro: Manjaro
    base: Arch Linux
Machine:
  Type: Desktop System: Gigabyte product: AB350M-DS3H v: N/A
    serial: <superuser required>
  Mobo: Gigabyte model: AB350M-DS3H-CF serial: <superuser required>
    uuid: <superuser required> Firmware: BIOS vendor: American Megatrends LLC.
    v: F51g date: 07/27/2022
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 16 GiB available: 15.54 GiB used: 2.29 GiB (14.8%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 128 GiB slots: 4 modules: 2 EC: None
    max-module-size: 32 GiB note: est.
  Device-1: Channel-A DIMM 0 type: no module installed
  Device-2: Channel-A DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3600 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMW16GX4M2Z3600C18 serial: N/A
  Device-3: Channel-B DIMM 0 type: no module installed
  Device-4: Channel-B DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3600 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMW16GX4M2Z3600C18 serial: N/A
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: AMD Ryzen 5 5600 bits: 64 type: MT MCP arch: Zen 3+ gen: 3
    level: v3 note: check built: 2022 process: TSMC n6 (7nm) family: 0x19 (25)
    model-id: 0x21 (33) stepping: 2 microcode: 0xA201211
  Topology: cpus: 1x dies: 1 clusters: 1 cores: 6 threads: 12 tpc: 2
    smt: enabled cache: L1: 384 KiB desc: d-6x32 KiB; i-6x32 KiB L2: 3 MiB
    desc: 6x512 KiB L3: 32 MiB desc: 1x32 MiB
  Speed (MHz): avg: 2200 min/max: 2200/4469 boost: enabled scaling:
    driver: acpi-cpufreq governor: schedutil cores: 1: 2200 2: 2200 3: 2200
    4: 2200 5: 2200 6: 2200 7: 2200 8: 2200 9: 2200 10: 2200 11: 2200 12: 2200
    bogomips: 84030
  Flags: 3dnowprefetch abm adx aes aperfmperf apic arat avic avx avx2 bmi1
    bmi2 bpext cat_l3 cdp_l3 clflush clflushopt clwb clzero cmov cmp_legacy
    constant_tsc cpb cpuid cqm cqm_llc cqm_mbm_local cqm_mbm_total
    cqm_occup_llc cr8_legacy cx16 cx8 de decodeassists erms extapic
    extd_apicid f16c flushbyasid fma fpu fsgsbase fsrm fxsr fxsr_opt ht
    hw_pstate ibpb ibpb_exit_to_user ibrs ibs invpcid irperf lahf_lm lbrv lm
    mba mca mce misalignsse mmx mmxext monitor movbe msr mtrr mwaitx
    nonstop_tsc nopl npt nrip_save nx ospke osvw overflow_recov pae pat
    pausefilter pclmulqdq pdpe1gb perfctr_core perfctr_llc perfctr_nb
    pfthreshold pge pku pni popcnt pse pse36 rapl rdpid rdpru rdrand rdseed
    rdt_a rdtscp rep_good sep sha_ni skinit smap smca smep ssbd sse sse2
    sse4_1 sse4_2 sse4a ssse3 stibp succor svm svm_lock syscall tce topoext
    tsc tsc_scale umip v_spec_ctrl v_vmsave_vmload vaes vgif vmcb_clean vme
    vmmcall vpclmulqdq wbnoinvd wdt x2apic xgetbv1 xsave xsavec xsaveerptr
    xsaveopt xsaves
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: indirect_target_selection status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed status: Not affectedSystem:
  Kernel: 6.1.170-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/vmlinuz-6.1-x86_64
    root=UUID=0e0c75a8-f72c-45cb-9162-5103792c992d rw quiet apparmor=1
    security=apparmor udev.log_priority=3 sysrq_always_enabled=1 idle=nomwait
    processor.max_cstate=1
  Desktop: N/A wm: gnome-shell vt: 3 dm: LightDM v: 1.32.0 Distro: Manjaro
    base: Arch Linux
Machine:
  Type: Desktop System: Gigabyte product: AB350M-DS3H v: N/A
    serial: <superuser required>
  Mobo: Gigabyte model: AB350M-DS3H-CF serial: <superuser required>
    uuid: <superuser required> Firmware: BIOS vendor: American Megatrends LLC.
    v: F51g date: 07/27/2022
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 16 GiB available: 15.54 GiB used: 2.29 GiB (14.8%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 128 GiB slots: 4 modules: 2 EC: None
    max-module-size: 32 GiB note: est.
  Device-1: Channel-A DIMM 0 type: no module installed
  Device-2: Channel-A DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3600 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMW16GX4M2Z3600C18 serial: N/A
  Device-3: Channel-B DIMM 0 type: no module installed
  Device-4: Channel-B DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3600 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMW16GX4M2Z3600C18 serial: N/A
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: AMD Ryzen 5 5600 bits: 64 type: MT MCP arch: Zen 3+ gen: 3
    level: v3 note: check built: 2022 process: TSMC n6 (7nm) family: 0x19 (25)
    model-id: 0x21 (33) stepping: 2 microcode: 0xA201211
  Topology: cpus: 1x dies: 1 clusters: 1 cores: 6 threads: 12 tpc: 2
    smt: enabled cache: L1: 384 KiB desc: d-6x32 KiB; i-6x32 KiB L2: 3 MiB
    desc: 6x512 KiB L3: 32 MiB desc: 1x32 MiB
  Speed (MHz): avg: 2200 min/max: 2200/4469 boost: enabled scaling:
    driver: acpi-cpufreq governor: schedutil cores: 1: 2200 2: 2200 3: 2200
    4: 2200 5: 2200 6: 2200 7: 2200 8: 2200 9: 2200 10: 2200 11: 2200 12: 2200
    bogomips: 84030
  Flags: 3dnowprefetch abm adx aes aperfmperf apic arat avic avx avx2 bmi1
    bmi2 bpext cat_l3 cdp_l3 clflush clflushopt clwb clzero cmov cmp_legacy
    constant_tsc cpb cpuid cqm cqm_llc cqm_mbm_local cqm_mbm_total
    cqm_occup_llc cr8_legacy cx16 cx8 de decodeassists erms extapic
    extd_apicid f16c flushbyasid fma fpu fsgsbase fsrm fxsr fxsr_opt ht
    hw_pstate ibpb ibpb_exit_to_user ibrs ibs invpcid irperf lahf_lm lbrv lm
    mba mca mce misalignsse mmx mmxext monitor movbe msr mtrr mwaitx
    nonstop_tsc nopl npt nrip_save nx ospke osvw overflow_recov pae pat
    pausefilter pclmulqdq pdpe1gb perfctr_core perfctr_llc perfctr_nb
    pfthreshold pge pku pni popcnt pse pse36 rapl rdpid rdpru rdrand rdseed
    rdt_a rdtscp rep_good sep sha_ni skinit smap smca smep ssbd sse sse2
    sse4_1 sse4_2 sse4a ssse3 stibp succor svm svm_lock syscall tce topoext
    tsc tsc_scale umip v_spec_ctrl v_vmsave_vmload vaes vgif vmcb_clean vme
    vmmcall vpclmulqdq wbnoinvd wdt x2apic xgetbv1 xsave xsavec xsaveerptr
    xsaveopt xsaves
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: indirect_target_selection status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed status: Not affected
  Type: spec_rstack_overflow mitigation: safe RET
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines; IBPB: conditional; IBRS_FW;
    STIBP: always-on; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not
    affected
  Type: srbds status: Not affected
  Type: tsa mitigation: Clear CPU buffers
  Type: tsx_async_abort status: Not affected
  Type: vmscape mitigation: IBPB before exit to userspace
Graphics:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 23 [Radeon RX 6650 XT /
    6700S 6800S] vendor: XFX driver: amdgpu v: kernel arch: RDNA-2
    code: Navi-2x process: TSMC n7 (7nm) built: 2020-22 pcie: gen: 4
    speed: 16 GT/s lanes: 16 ports: active: DP-1 empty: DP-2,DP-3,HDMI-A-1
    bus-ID: 0b:00.0 chip-ID: 1002:73ef class-ID: 0300
  Display: unspecified server: X.org v: 1.21.1.22 with: Xwayland v: 24.1.11
    compositor: gnome-shell driver: X: loaded: amdgpu
    unloaded: modesetting,radeon alternate: fbdev,vesa dri: radeonsi
    gpu: amdgpu display-ID: :1 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-size: <missing: xdpyinfo>
  Monitor-1: DP-1 model: Dell S2721HGFA serial: <filter> built: 2023 res:
    mode: 1920x1080 hz: 60 scale: 100% (1) dpi: 81 gamma: 1.2 chroma: red:
    x: 0.639 y: 0.329 green: x: 0.298 y: 0.600 blue: x: 0.149 y: 0.059 white:
    x: 0.314 y: 0.329 size: 600x340mm (23.62x13.39") diag: 685mm (27")
    ratio: 16:9 modes: 1920x1080, 1680x1050, 1280x1024, 1366x768, 1280x800,
    1152x864, 1280x720, 1024x768, 800x600, 720x576, 720x480, 640x480, 720x400
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi
    device: 1 drv: swrast gbm: drv: kms_swrast surfaceless: drv: radeonsi
    wayland: drv: radeonsi x11: drv: radeonsi
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 26.0.6-arch1.1
    glx-v: 1.4 direct-render: yes renderer: AMD Radeon RX 6650 XT (radeonsi
    navi23 ACO DRM 3.49 6.1.170-1-MANJARO) device-ID: 1002:73ef
    memory: 7.81 GiB unified: no
  API: Vulkan v: 1.4.341 layers: 6 device: 0 type: discrete-gpu name: AMD
    Radeon RX 6650 XT (RADV NAVI23) driver: mesa radv v: 26.0.6-arch1.1
    device-ID: 1002:73ef surfaces: N/A
  Info: Tools: api: eglinfo, glxinfo, vulkaninfo x11: xprop,xrandr
Audio:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 21/23 HDMI/DP Audio
    driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s lanes: 16
    bus-ID: 0b:00.1 chip-ID: 1002:ab28 class-ID: 0403
  Device-2: Advanced Micro Devices [AMD] Starship/Matisse HD Audio
    vendor: Gigabyte driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s
    lanes: 16 bus-ID: 0d:00.4 chip-ID: 1022:1487 class-ID: 0403
  Device-3: C-Media USB Audio Device
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 1.1 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 3-2.1.1.1:5 chip-ID: 0d8c:0012 class-ID: 0300
  Device-4: C-Media CM108 Audio Controller
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 1.1 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 3-2.1.1.4:8 chip-ID: 0d8c:013c class-ID: 0300
  API: ALSA v: k6.1.170-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
  Server-2: JACK v: 1.9.22 status: off tools: N/A
  Server-3: PipeWire v: 1.6.4 status: active with: wireplumber
    status: active tools: pw-cat,pw-cli,wpctl
  Server-4: PulseAudio v: 17.0-98-gb096 status: active with: pulseaudio-alsa
    type: plugin tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: Gigabyte driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 port: f000 bus-ID: 05:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp5s0 state: up speed: 100 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  Info: services: mld, NetworkManager, systemd-timesyncd, wpa_supplicant
  WAN IP: <filter>
Bluetooth:
  Message: No bluetooth data found.
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 2.05 TiB used: 910.15 GiB (43.4%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: SSD 980 250GB
    size: 232.89 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 tech: SSD serial: <filter> fw-rev: 1B4QFXO7 temp: 35.9 C
    scheme: GPT
  ID-2: /dev/sda maj-min: 8:0 vendor: Seagate model: ST1000VN002-2EY102
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 5900 serial: <filter> fw-rev: SC60 scheme: GPT
  ID-3: /dev/sdb maj-min: 8:16 vendor: Toshiba model: DT01ACA100
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 7200 serial: <filter> fw-rev: A800 scheme: GPT
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 78.12 GiB size: 76.35 GiB (97.73%) used: 53.45 GiB (70.0%)
    fs: ext4 dev: /dev/nvme0n1p1 maj-min: 259:1 label: N/A
    uuid: 0e0c75a8-f72c-45cb-9162-5103792c992d
  ID-2: /boot raw-size: 574 MiB size: 572.9 MiB (99.80%)
    used: 90.5 MiB (15.8%) fs: vfat dev: /dev/nvme0n1p3 maj-min: 259:3
    label: N/A uuid: 82CC-56FF
  ID-3: /home raw-size: 154.19 GiB size: 150.71 GiB (97.74%)
    used: 83.14 GiB (55.2%) fs: ext4 dev: /dev/nvme0n1p2 maj-min: 259:2
    label: N/A uuid: 311e19db-76ff-495b-854a-78d285d45e9c
  ID-4: /home/<filter>/Games raw-size: 931.51 GiB size: 915.82 GiB (98.32%)
    used: 172.39 GiB (18.8%) fs: ext4 dev: /dev/sdb1 maj-min: 8:17 label: Games
    uuid: eb14b17a-bcc3-4c54-b268-aad258571c5b
  ID-5: /run/media/magic/externalDataDisk raw-size: 931.51 GiB
    size: 931.51 GiB (100.00%) used: 601.07 GiB (64.5%) fs: btrfs dev: /dev/sda1
    maj-min: 8:1 label: dataDisk uuid: 8687c163-a5bc-4b33-9dd9-9cca59e4cc61
Swap:
  Alert: No swap data was found.
Unmounted:
  ID-1: /dev/nvme0n1p4 maj-min: 259:4 size: 8 MiB fs: <superuser required>
    label: N/A uuid: N/A
USB:
  Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 14 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-2: 2-0:1 info: super-speed hub ports: 8 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-3: 3-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-4: 3-2:2 info: VIA Labs VL813 Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 2109:2813
    class-ID: 0900
  Hub-5: 3-2.1:3 info: VIA Labs VL813 Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 2109:2813
    class-ID: 0900
  Hub-6: 3-2.1.1:4 info: Genesys Logic Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 05e3:0610 class-ID: 0900
  Device-1: 3-2.1.1.1:5 info: C-Media USB Audio Device type: audio,HID
    driver: hid-generic,snd-usb-audio,usbhid interfaces: 4 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
    chip-ID: 0d8c:0012 class-ID: 0300
  Device-2: 3-2.1.1.2:6 info: Alps type: keyboard,HID
    driver: hid-generic,usbhid interfaces: 2 rev: 2.0
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
    chip-ID: 0433:0004 class-ID: 0300
  Hub-7: 3-2.1.1.3:7 info: Genesys Logic Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 05e3:0610 class-ID: 0900
  Device-1: 3-2.1.1.3.1:9 info: Genesys Logic microSD Card Reader
    type: mass storage driver: usb-storage interfaces: 1 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 98mA
    chip-ID: 05e3:0751 class-ID: 0806
  Device-2: 3-2.1.1.3.2:11 info: P&E Micro Systems Smart Control Touchpad
    type: keyboard,mouse,HID driver: hid-generic,usbhid interfaces: 3 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 200mA
    chip-ID: 1357:1000 class-ID: 0300
  Device-3: 3-2.1.1.3.4:10 info: Razer USA DeathAdder Elite
    type: mouse,keyboard driver: hid-generic,usbhid interfaces: 3 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 500mA
    chip-ID: 1532:005c class-ID: 0300
  Device-4: 3-2.1.1.4:8 info: C-Media CM108 Audio Controller type: audio,HID
    driver: hid-generic,snd-usb-audio,usbhid interfaces: 4 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
    chip-ID: 0d8c:013c class-ID: 0300
  Hub-8: 4-0:1 info: super-speed hub ports: 4 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-9: 4-2:2 info: VIA Labs VL813 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 2109:0813
    class-ID: 0900
  Hub-10: 4-2.1:3 info: VIA Labs VL813 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 2109:0813
    class-ID: 0900
  Hub-11: 4-2.1.1:4 info: Genesys Logic hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 05e3:0616
    class-ID: 0900
  Hub-12: 4-2.1.1.3:5 info: Genesys Logic USB3.0 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 05e3:0617
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 37.8 C mobo: N/A gpu: amdgpu temp: 35.0 C
    mem: 32.0 C
  Fan Speeds (rpm): N/A gpu: amdgpu fan: 0
Repos:
  Packages: pm: pacman pkgs: 1980 libs: 489 tools: gnome-software,pamac
    pm: flatpak pkgs: 0
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://ask4.mm.fcix.net/manjaro/stable/$repo/$arch
    2: https://volico.mm.fcix.net/manjaro/stable/$repo/$arch
    3: https://mirror.bakertelekom.fr/manjaro/stable/$repo/$arch
    4: https://mirrors.sonic.net/manjaro/stable/$repo/$arch
    5: https://kartolo.sby.datautama.net.id/manjaro/stable/$repo/$arch
    6: https://mirror.xenyth.net/manjaro/stable/$repo/$arch
    7: https://mirror.futureweb.be/manjaro/stable/$repo/$arch
    8: https://mirror.vinehost.net/manjaro/stable/$repo/$arch
Processes:
  CPU top: 5 of 345
  1: cpu: 17.2% command: gnome-software pid: 4658 mem: 169.7 MiB (1.0%)
  2: cpu: 9.6% command: firefox pid: 3258 mem: 690.3 MiB (4.3%)
  3: cpu: 4.6% command: glycin-image-rs pid: 5738 mem: 7.36 MiB (0.0%)
  4: cpu: 4.4% command: gnome-shell pid: 2425 mem: 371.2 MiB (2.3%)
  5: cpu: 3.3% command: firefox pid: 3975 mem: 289.6 MiB (1.8%)
  Memory top: 5 of 345
  1: mem: 690.3 MiB (4.3%) command: firefox pid: 3258 cpu: 9.6%
  2: mem: 371.2 MiB (2.3%) command: gnome-shell pid: 2425 cpu: 4.4%
  3: mem: 289.6 MiB (1.8%) command: firefox pid: 3975 cpu: 3.3%
  4: mem: 169.7 MiB (1.0%) command: gnome-software pid: 4658 cpu: 17.2%
  5: mem: 165.7 MiB (1.0%) command: mutter-x11-frames pid: 2985 cpu: 0.0%
Info:
  Processes: 345 Power: uptime: 18m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 0 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 6.2 GiB
    services: power-profiles-daemon,upowerd Init: systemd v: 260
    default: graphical tool: systemctl
  Compilers: clang: 22.1.3 gcc: 15.2.1 Shell: Bash v: 5.3.9
    running-in: gnome-terminal inxi: 3.3.40
  Type: spec_rstack_overflow mitigation: safe RET
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines; IBPB: conditional; IBRS_FW;
    STIBP: always-on; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not
    affected
  Type: srbds status: Not affected
  Type: tsa mitigation: Clear CPU buffers
  Type: tsx_async_abort status: Not affected
  Type: vmscape mitigation: IBPB before exit to userspace
Graphics:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 23 [Radeon RX 6650 XT /
    6700S 6800S] vendor: XFX driver: amdgpu v: kernel arch: RDNA-2
    code: Navi-2x process: TSMC n7 (7nm) built: 2020-22 pcie: gen: 4
    speed: 16 GT/s lanes: 16 ports: active: DP-1 empty: DP-2,DP-3,HDMI-A-1
    bus-ID: 0b:00.0 chip-ID: 1002:73ef class-ID: 0300
  Display: unspecified server: X.org v: 1.21.1.22 with: Xwayland v: 24.1.11
    compositor: gnome-shell driver: X: loaded: amdgpu
    unloaded: modesetting,radeon alternate: fbdev,vesa dri: radeonsi
    gpu: amdgpu display-ID: :1 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-size: <missing: xdpyinfo>
  Monitor-1: DP-1 model: Dell S2721HGFA serial: <filter> built: 2023 res:
    mode: 1920x1080 hz: 60 scale: 100% (1) dpi: 81 gamma: 1.2 chroma: red:
    x: 0.639 y: 0.329 green: x: 0.298 y: 0.600 blue: x: 0.149 y: 0.059 white:
    x: 0.314 y: 0.329 size: 600x340mm (23.62x13.39") diag: 685mm (27")
    ratio: 16:9 modes: 1920x1080, 1680x1050, 1280x1024, 1366x768, 1280x800,
    1152x864, 1280x720, 1024x768, 800x600, 720x576, 720x480, 640x480, 720x400
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi
    device: 1 drv: swrast gbm: drv: kms_swrast surfaceless: drv: radeonsi
    wayland: drv: radeonsi x11: drv: radeonsi
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 26.0.6-arch1.1
    glx-v: 1.4 direct-render: yes renderer: AMD Radeon RX 6650 XT (radeonsi
    navi23 ACO DRM 3.49 6.1.170-1-MANJARO) device-ID: 1002:73ef
    memory: 7.81 GiB unified: no
  API: Vulkan v: 1.4.341 layers: 6 device: 0 type: discrete-gpu name: AMD
    Radeon RX 6650 XT (RADV NAVI23) driver: mesa radv v: 26.0.6-arch1.1
    device-ID: 1002:73ef surfaces: N/A
  Info: Tools: api: eglinfo, glxinfo, vulkaninfo x11: xprop,xrandr
Audio:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 21/23 HDMI/DP Audio
    driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s lanes: 16
    bus-ID: 0b:00.1 chip-ID: 1002:ab28 class-ID: 0403
  Device-2: Advanced Micro Devices [AMD] Starship/Matisse HD Audio
    vendor: Gigabyte driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s
    lanes: 16 bus-ID: 0d:00.4 chip-ID: 1022:1487 class-ID: 0403
  Device-3: C-Media USB Audio Device
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 1.1 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 3-2.1.1.1:5 chip-ID: 0d8c:0012 class-ID: 0300
  Device-4: C-Media CM108 Audio Controller
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 1.1 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 3-2.1.1.4:8 chip-ID: 0d8c:013c class-ID: 0300
  API: ALSA v: k6.1.170-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
  Server-2: JACK v: 1.9.22 status: off tools: N/A
  Server-3: PipeWire v: 1.6.4 status: active with: wireplumber
    status: active tools: pw-cat,pw-cli,wpctl
  Server-4: PulseAudio v: 17.0-98-gb096 status: active with: pulseaudio-alsa
    type: plugin tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: Gigabyte driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 port: f000 bus-ID: 05:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp5s0 state: up speed: 100 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  Info: services: mld, NetworkManager, systemd-timesyncd, wpa_supplicant
  WAN IP: <filter>
Bluetooth:
  Message: No bluetooth data found.
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 2.05 TiB used: 910.15 GiB (43.4%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: SSD 980 250GB
    size: 232.89 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 tech: SSD serial: <filter> fw-rev: 1B4QFXO7 temp: 35.9 C
    scheme: GPT
  ID-2: /dev/sda maj-min: 8:0 vendor: Seagate model: ST1000VN002-2EY102
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 5900 serial: <filter> fw-rev: SC60 scheme: GPT
  ID-3: /dev/sdb maj-min: 8:16 vendor: Toshiba model: DT01ACA100
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 7200 serial: <filter> fw-rev: A800 scheme: GPT
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 78.12 GiB size: 76.35 GiB (97.73%) used: 53.45 GiB (70.0%)
    fs: ext4 dev: /dev/nvme0n1p1 maj-min: 259:1 label: N/A
    uuid: 0e0c75a8-f72c-45cb-9162-5103792c992d
  ID-2: /boot raw-size: 574 MiB size: 572.9 MiB (99.80%)
    used: 90.5 MiB (15.8%) fs: vfat dev: /dev/nvme0n1p3 maj-min: 259:3
    label: N/A uuid: 82CC-56FF
  ID-3: /home raw-size: 154.19 GiB size: 150.71 GiB (97.74%)
    used: 83.14 GiB (55.2%) fs: ext4 dev: /dev/nvme0n1p2 maj-min: 259:2
    label: N/A uuid: 311e19db-76ff-495b-854a-78d285d45e9c
  ID-4: /home/<filter>/Games raw-size: 931.51 GiB size: 915.82 GiB (98.32%)
    used: 172.39 GiB (18.8%) fs: ext4 dev: /dev/sdb1 maj-min: 8:17 label: Games
    uuid: eb14b17a-bcc3-4c54-b268-aad258571c5b
  ID-5: /run/media/magic/externalDataDisk raw-size: 931.51 GiB
    size: 931.51 GiB (100.00%) used: 601.07 GiB (64.5%) fs: btrfs dev: /dev/sda1
    maj-min: 8:1 label: dataDisk uuid: 8687c163-a5bc-4b33-9dd9-9cca59e4cc61
Swap:
  Alert: No swap data was found.
Unmounted:
  ID-1: /dev/nvme0n1p4 maj-min: 259:4 size: 8 MiB fs: <superuser required>
    label: N/A uuid: N/A
USB:
  Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 14 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-2: 2-0:1 info: super-speed hub ports: 8 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-3: 3-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-4: 3-2:2 info: VIA Labs VL813 Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 2109:2813
    class-ID: 0900
  Hub-5: 3-2.1:3 info: VIA Labs VL813 Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 2109:2813
    class-ID: 0900
  Hub-6: 3-2.1.1:4 info: Genesys Logic Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 05e3:0610 class-ID: 0900
  Device-1: 3-2.1.1.1:5 info: C-Media USB Audio Device type: audio,HID
    driver: hid-generic,snd-usb-audio,usbhid interfaces: 4 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
    chip-ID: 0d8c:0012 class-ID: 0300
  Device-2: 3-2.1.1.2:6 info: Alps type: keyboard,HID
    driver: hid-generic,usbhid interfaces: 2 rev: 2.0
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
    chip-ID: 0433:0004 class-ID: 0300
  Hub-7: 3-2.1.1.3:7 info: Genesys Logic Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 05e3:0610 class-ID: 0900
  Device-1: 3-2.1.1.3.1:9 info: Genesys Logic microSD Card Reader
    type: mass storage driver: usb-storage interfaces: 1 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 98mA
    chip-ID: 05e3:0751 class-ID: 0806
  Device-2: 3-2.1.1.3.2:11 info: P&E Micro Systems Smart Control Touchpad
    type: keyboard,mouse,HID driver: hid-generic,usbhid interfaces: 3 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 200mA
    chip-ID: 1357:1000 class-ID: 0300
  Device-3: 3-2.1.1.3.4:10 info: Razer USA DeathAdder Elite
    type: mouse,keyboard driver: hid-generic,usbhid interfaces: 3 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 500mA
    chip-ID: 1532:005c class-ID: 0300
  Device-4: 3-2.1.1.4:8 info: C-Media CM108 Audio Controller type: audio,HID
    driver: hid-generic,snd-usb-audio,usbhid interfaces: 4 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
    chip-ID: 0d8c:013c class-ID: 0300
  Hub-8: 4-0:1 info: super-speed hub ports: 4 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-9: 4-2:2 info: VIA Labs VL813 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 2109:0813
    class-ID: 0900
  Hub-10: 4-2.1:3 info: VIA Labs VL813 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 2109:0813
    class-ID: 0900
  Hub-11: 4-2.1.1:4 info: Genesys Logic hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 05e3:0616
    class-ID: 0900
  Hub-12: 4-2.1.1.3:5 info: Genesys Logic USB3.0 Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 05e3:0617
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 37.8 C mobo: N/A gpu: amdgpu temp: 35.0 C
    mem: 32.0 C
  Fan Speeds (rpm): N/A gpu: amdgpu fan: 0
Repos:
  Packages: pm: pacman pkgs: 1980 libs: 489 tools: gnome-software,pamac
    pm: flatpak pkgs: 0
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://ask4.mm.fcix.net/manjaro/stable/$repo/$arch
    2: https://volico.mm.fcix.net/manjaro/stable/$repo/$arch
    3: https://mirror.bakertelekom.fr/manjaro/stable/$repo/$arch
    4: https://mirrors.sonic.net/manjaro/stable/$repo/$arch
    5: https://kartolo.sby.datautama.net.id/manjaro/stable/$repo/$arch
    6: https://mirror.xenyth.net/manjaro/stable/$repo/$arch
    7: https://mirror.futureweb.be/manjaro/stable/$repo/$arch
    8: https://mirror.vinehost.net/manjaro/stable/$repo/$arch
Processes:
  CPU top: 5 of 345
  1: cpu: 17.2% command: gnome-software pid: 4658 mem: 169.7 MiB (1.0%)
  2: cpu: 9.6% command: firefox pid: 3258 mem: 690.3 MiB (4.3%)
  3: cpu: 4.6% command: glycin-image-rs pid: 5738 mem: 7.36 MiB (0.0%)
  4: cpu: 4.4% command: gnome-shell pid: 2425 mem: 371.2 MiB (2.3%)
  5: cpu: 3.3% command: firefox pid: 3975 mem: 289.6 MiB (1.8%)
  Memory top: 5 of 345
  1: mem: 690.3 MiB (4.3%) command: firefox pid: 3258 cpu: 9.6%
  2: mem: 371.2 MiB (2.3%) command: gnome-shell pid: 2425 cpu: 4.4%
  3: mem: 289.6 MiB (1.8%) command: firefox pid: 3975 cpu: 3.3%
  4: mem: 169.7 MiB (1.0%) command: gnome-software pid: 4658 cpu: 17.2%
  5: mem: 165.7 MiB (1.0%) command: mutter-x11-frames pid: 2985 cpu: 0.0%
Info:
  Processes: 345 Power: uptime: 18m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 0 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 6.2 GiB
    services: power-profiles-daemon,upowerd Init: systemd v: 260
    default: graphical tool: systemctl
  Compilers: clang: 22.1.3 gcc: 15.2.1 Shell: Bash v: 5.3.9
    running-in: gnome-terminal inxi: 3.3.40

[scotty65]

@regemaster

Kernel: 6.1.170-1-MANJARO

Have you tried using a newer LTS kernel, such as linux66, linux612 or linux618? Even though I’ve never used GNOME, I do see in GDM’s dependencies that polkit is required. As has been mentioned in the Known Issues & Solutions section of every Stable Update announcement since 2026-01-04 (i.e. January), users of kernels earlier than linux66 may encounter problems with polkit:

[Stable Update] 2026-01-13 - Kernels, KDE Gear 25.12.1, Haskell, Mesa

Known issues and solutions This is a wiki post; please edit as necessary. Please, consider subscribing to the Stable Updates Announcements RSS feed Please RTFT (Read This Fine Thread) first before reporting the same issues over and over again! Note: Do not forget to review your .pacnew files: Update preppers handbook System Maintenance - Manjaro Check and manage pacnew files Prepare the update beforehand Preparation steps Important Note: Users of Plasma and GNOME may lose their…

@discobot

Another solution for the Polkit issue is to switch Kernel to version 6.6 or above if all the above does not help.

So, see if booting into a newer kernel resolves the issue. You won’t need to do the other steps recommended in the above post - changing the kernel is all that is needed.

You can install a new kernel via the CLI with the following command (I’ll use linux618 for this example):

sudo mhwd-kernel -i linux618

If booting into the more recent kernel doesn’t fix the issue, then further troubleshooting may be required.

---

Edit 2026-05-23T10:00:00Z: I’m also wondering about these steps you have done:

@regemaster

• Sessions: Discovered that /usr/share/xsessions was missing. Reinstalled gnome-session, gnome-shell, and manually recreated session files.
• Config: Tested both WaylandEnable=false and true in /etc/gdm/custom.conf.
• Permissions: Checked ~/.Xauthority and ran chown -R $USER:$USER on my home directory.

GNOME 50 (which all Manjaro branches are currently on) is Wayland-only, so you probably shouldn’t be trying to disable Wayland &/or force an X11 session. A GNOME user may be able to provide more advice regarding this.

[regemaster]

Hi,

I managed to fix the problem, and I wanted to leave some notes for a recored.

Symptoms

• Booting into black screen, or gray screen with only top bar (no login window)
• manually switching to TTY and running dbus-run-session gnome-shell works.
• journalctl -b 0 --no-hostname | grep -A 10 "JS ERROR"
  shows this:
  JS ERROR: Error: GSettings key banner-message-source not found in schema org.gnome.login-screen

The Root Causes

It turned out that there was two main problems (or maybe three if we include my lack of knowledge

• Partial lib update:
  libgdm-plymouth was in version 43, where gnome-shell was in version 50 (after system update).
  IMHO this was the problem with “banner-message-source not found”.

• Too old Kernel:
  I was running the older Linux 6.1 LTS Kernel. As mentioned above, modern polkit updates no longer support kernels older than 6.6

The Solution

Step 1: Kernel update

Go to TTY, log in, and install a newer kernel:
sudo mhwd-kernel -i linux618
then
reboot

Step 2: Reinstall libgdm

Go to TTY, log in, and install/reinstall libgdm:
sudo pacman -S gdm libgdm
When Pacman asks you if you want to remove libgdm-plymouth due to a conflict, type Y (Yes).

Step 3: Clear old GDM dconf caches (Optional but recommended)

I did this before kernel update, so I’m not sure it helped, but it was done so I would rather to keep it for the recored:
sudo mv /var/lib/gdm/.config/dconf/user /var/lib/gdm/.config/dconf/user.bak

Step 4: Reboot

reboot

After reboot, problem was gone and I was able to login normally.

Thanks for the pointers @scotty65!

EDIT: I rewrote the post with solution to fill “Quality information. No AI generated posts” rule. Thanks @Yochanan for pointing this out.

[Yochanan]

Just FYI, we have a forum rule about using “AI”:

Quality information. No AI generated posts - Forum Rules