"Could not start Display server on vt 3" when switching user

Support KDE Plasma
1

When I log into a wayland session and then press “Switch user“ either in the “start menu“ or lock screen, the screens turn black and flash 3 times similarly to when you change resolution. Then I’m kicked back into the lock screen. I cannot change user.

Switching user works fine if I never start wayland after boot and stay in x11 but once wayland starts, this failure occurs

journalctl -xe reports this three times

sddm: Failed to read display number from pipe*
sddm: Display server stopping... 
sddm: Attempt 3 starting the Display server on vt 3 failed
sddm: Could not start Display server on vt 3

I tried forcing a specific tty in the sddm config but this option was removed since 0.20 and i’m on 0.21.

Does somebody know what might be happening? I installed manjaro pretty recently and didn’t customize it.

Manjaro Linux x86_64
Linux 6.17.1-0-MANJARO (Doesn’t work on 6.12 lts either)
KDE Plasma 6.3.6
KWin (Wayland)
NVIDIA GeForce RTX 4080 [Discrete]
NVIDIA-SMI 580.82.09
Driver Version: 580.82.09
CUDA Version: 13.0

2

I don’t have any other users on this machine, but I clicked change user from the menu and got a couple of flashes and the lock screen. When I put in my password my screen went black and stayed there. I hit CTRL+ALT+F2 and then CTRL+ALT+F1 and was back to my desktop.

Definately not the behavior I would expect. Not sure if it helps anyone or not.

Mod edit:- inxi output removed as it was not formatted with consideration for legibility.

3

If you have only one user, what did you expect to happen when you switch to another user - which doesn’t exist?

Perhaps that “logic” was not implemented … :wink:

4

I expected it to go to the lock screen and only allow me to log in as the only user on the system. Once logged in I expected it to return me to the existing session, however it then dumped me into a ‘dead’ TTY.
Are those not reasonable expectations?

7

Apparently not - not a valid failure mode when there are no more users.
I’d have expected a malfunction of some kind if there where no more users but I requested to switch nonetheless.

It is good practise to not tell the “adversary” the reason why the attempt failed - because there is no second user …
Not smart to do that.
… you just tell someone something without actually telling them …

In reality: I just don’t know

Your inxi output looks just horrible, btw.
Didn’t you notice? :wink:

8

@StefanH

Please edit your first post and provide your system information as described (below).

Regards.

What follows is from a standard template.

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9

I am not looking for assistance. I was telling the OP I could sort of duplicate their issue. Thank you though.

10

Ah, I see.

That you provided inxi output caught me off guard – there is no reason to provide that if you are not the OP.

Now I have some editing to do. :wink:

Regards.

11

@Nachlese Why would Plasma even display a Switch User option if there is no user to switch to? Either way, I would not expect that’s intended behavior.

Perhaps it’s already fixed upsteam…

@StefanH @Kielcelaria Please test KDE Plasma 6.5.1 in the Manjaro testing branch (or 6.5.2 that will be coming along soon in the unstable branch).

See Switching Branches - Manjaro for more info.

:warning: The Manjaro stable branch has KDE Plasma 6.3.6 which is no longer supported by upstream. DO NOT create an upstream bug report.

12

FYI. I am on unstable using 6.5.1 already. Issue persists.

13

If you don’t have another user defined, then as far as I can see, you have no issue. User switching requires that you have another user to switch to.

The only issue would seem to be that you were allowed to try.

Regardless, if you still want to believe user switching should work that way, perhaps open your own Support topic, and state your case.

Regards.

14

Perhaps I am misreading the text, but I feel like I am being chastised for confirming a fellow Manjaro user’s issue occurs on my system. I have been extremely pleased that the Manjaro User Forum does not exhibit the typical tone that many Linux user groups do. The members here seem to be warm and welcoming and genuinely interested in helping others. The tone of the comment I am replying to does not convey that warm and welcoming tone as I am reading it.
I will not be replying to this thread any more regardless of what is posted and if I am misreading then I apologize, but I have to call it like I see it.

15

I have now actually tried to replicate the behavior but I could not.
I only have one user, if I use “switch user” I get presented the login screen
with the only user pre selected and if I log in, I get back to the session I came from.

recently installed Plasma - stable branch - virtual machine.
The only alteration I made so far is changing the default shell back to bash.

16

Apology accepted, although, I suppose that hardly matters if the user is true to their word.

It seems my searchfu isn’t good enough to reference it, but I recall a similar thread maybe two years ago; I think the idea was debunked, even then.

From the wording, we presume the OP does have another user defined to switch to; something has clearly gone awry if it is not working as expected when switching.

@StefanH

I can only repeat the suggestion from @Yochanan;

Regards.

17

Hi, wow what a thread. Yes I have another user that I want to switch to. And that other user is laughing at me that my linux distro doesn’t let him log in. I’m going to try out the testing branch.
And for good measure here’s the inxi output

System:
  Kernel: 6.12.48-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/@/boot/vmlinuz-6.12-x86_64
    root=UUID=f97c6e3c-bbda-4417-b4d3-1d7d570d49ca rw rootflags=subvol=@
    quiet splash udev.log_priority=3
  Desktop: KDE Plasma v: 6.3.6 tk: Qt v: N/A info: frameworks v: 6.18.0
    wm: kwin_wayland vt: 1 dm: SDDM Distro: Manjaro base: Arch Linux
Machine:
  Type: Desktop System: ASUS product: N/A v: N/A serial: <superuser required>
  Mobo: ASUSTeK model: PRIME B650M-A II v: Rev 1.xx
    serial: <superuser required> part-nu: SKU uuid: <superuser required>
    BIOS: American Megatrends v: 1616 date: 05/16/2023
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 128 GiB available: 125.53 GiB used: 6.5 GiB (5.2%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 128 GiB slots: 4 modules: 4 EC: None
    max-module-size: 32 GiB note: est.
  Device-1: Channel-A DIMM 0 type: DDR5 detail: synchronous unbuffered
    (unregistered) size: 32 GiB speed: spec: 4800 MT/s actual: 3600 MT/s
    volts: note: check curr: 1 min: 1 max: 1 width (bits): data: 64 total: 64
    manufacturer: Crucial Technology part-no: CT32G48C40U5.M16A1
    serial: <filter>
  Device-2: Channel-A DIMM 1 type: DDR5 detail: synchronous unbuffered
    (unregistered) size: 32 GiB speed: spec: 4800 MT/s actual: 3600 MT/s
    volts: note: check curr: 1 min: 1 max: 1 width (bits): data: 64 total: 64
    manufacturer: Crucial Technology part-no: CT32G48C40U5.M16A1
    serial: <filter>
  Device-3: Channel-B DIMM 0 type: DDR5 detail: synchronous unbuffered
    (unregistered) size: 32 GiB speed: spec: 4800 MT/s actual: 3600 MT/s
    volts: note: check curr: 1 min: 1 max: 1 width (bits): data: 64 total: 64
    manufacturer: Crucial Technology part-no: CT32G48C40U5.M16A1
    serial: <filter>
  Device-4: Channel-B DIMM 1 type: DDR5 detail: synchronous unbuffered
    (unregistered) size: 32 GiB speed: spec: 4800 MT/s actual: 3600 MT/s
    volts: note: check curr: 1 min: 1 max: 1 width (bits): data: 64 total: 64
    manufacturer: Crucial Technology part-no: CT32G48C40U5.M16A1
    serial: <filter>
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: AMD Ryzen 9 7950X bits: 64 type: MT MCP arch: Zen 4 gen: 4
    level: v4 note: check built: 2022+ process: TSMC n5 (5nm) family: 0x19 (25)
    model-id: 0x61 (97) stepping: 2 microcode: 0xA60120A
  Topology: cpus: 1x dies: 2 clusters: 2x1 cores: 16 threads: 32 tpc: 2
    smt: enabled cache: L1: 1024 KiB desc: d-16x32 KiB; i-16x32 KiB L2: 16 MiB
    desc: 16x1024 KiB L3: 64 MiB desc: 2x32 MiB
  Speed (MHz): avg: 3363 min/max: 400/5881 boost: enabled scaling:
    driver: amd-pstate-epp governor: powersave cores: 1: 3363 2: 3363 3: 3363
    4: 3363 5: 3363 6: 3363 7: 3363 8: 3363 9: 3363 10: 3363 11: 3363 12: 3363
    13: 3363 14: 3363 15: 3363 16: 3363 17: 3363 18: 3363 19: 3363 20: 3363
    21: 3363 22: 3363 23: 3363 24: 3363 25: 3363 26: 3363 27: 3363 28: 3363
    29: 3363 30: 3363 31: 3363 32: 3363 bogomips: 287560
  Flags: 3dnowprefetch abm adx aes amd_lbr_pmc_freeze amd_lbr_v2 aperfmperf
    apic arat avic avx avx2 avx512_bf16 avx512_bitalg avx512_vbmi2
    avx512_vnni avx512_vpopcntdq avx512bw avx512cd avx512dq avx512f
    avx512ifma avx512vbmi avx512vl bmi1 bmi2 bpext cat_l3 cdp_l3 clflush
    clflushopt clwb clzero cmov cmp_legacy constant_tsc cpb cppc cpuid cqm
    cqm_llc cqm_mbm_local cqm_mbm_total cqm_occup_llc cr8_legacy cx16 cx8 de
    decodeassists erms extapic extd_apicid f16c flush_l1d flushbyasid fma fpu
    fsgsbase fsrm fxsr fxsr_opt gfni ht hw_pstate ibpb ibrs ibrs_enhanced 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 perfmon_v2 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 user_shstk
    v_spec_ctrl vaes vgif vmcb_clean vme vmmcall vnmi vpclmulqdq wbnoinvd wdt
    x2apic x2avic xgetbv1 xsave xsavec xsaveerptr xsaveopt xsaves xtopology
  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: Enhanced / Automatic IBRS; IBPB:
    conditional; STIBP: always-on; 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: NVIDIA AD103 [GeForce RTX 4080] driver: nvidia v: 580.82.09
    alternate: nouveau,nvidia_drm non-free: 550-580.xx+
    status: current (as of 2025-08) arch: Lovelace code: AD1xx
    process: TSMC n4 (5nm) built: 2022+ pcie: gen: 4 speed: 16 GT/s lanes: 16
    ports: active: DP-2,DP-3,HDMI-A-1 empty: DP-1 bus-ID: 01:00.0
    chip-ID: 10de:2704 class-ID: 0300
  Device-2: Elgato Systems GmbH Game Capture HD60 X
    driver: hid-generic,snd-usb-audio,usbhid,uvcvideo type: USB rev: 3.0
    speed: 5 Gb/s lanes: 1 mode: 3.2 gen-1x1 bus-ID: 2-2:2 chip-ID: 0fd9:0082
    class-ID: 0300 serial: <filter>
  Device-3: Valve 3D Camera driver: uvcvideo type: USB rev: 3.2
    speed: 5 Gb/s lanes: 1 mode: 3.2 gen-1x1 bus-ID: 4-6.1:3 chip-ID: 28de:2400
    class-ID: 0e02 serial: <filter>
  Device-4: Logitech HD Pro Webcam C920 driver: snd-usb-audio,uvcvideo
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 5-1:2
    chip-ID: 046d:082d class-ID: 0102 serial: <filter>
  Display: wayland server: X.org v: 1.21.1.18 with: Xwayland v: 24.1.8
    compositor: kwin_wayland driver: X: loaded: nvidia
    gpu: nv_platform,nvidia,nvidia-nvswitch d-rect: 5760x3240 display-ID: 0
  Monitor-1: DP-2 pos: bottom-l model: Gigabyte M28U serial: <filter>
    built: 2025 res: mode: 3840x2160 hz: 144 scale: 200% (2) to: 1920x1080
    dpi: 155 gamma: 1.2 chroma: red: x: 0.678 y: 0.314 green: x: 0.271
    y: 0.635 blue: x: 0.149 y: 0.055 white: x: 0.314 y: 0.329
    size: 697x392mm (27.44x15.43") diag: 726mm (28.6") ratio: 16:9, 15:9
    modes: 3840x2160, 2560x1440, 1920x1080, 1680x1050, 1280x1024, 1440x900,
    1280x720, 1024x768, 800x600, 720x480, 640x480
  EDID-Warnings: 1: parse_edid: unhandled CEA mode 97 2: parse_edid:
    unhandled CEA mode 118 3: parse_edid: unknown tag 112
  Monitor-2: DP-3 pos: bottom-r model: Gigabyte M28U serial: <filter>
    built: 2023 res: mode: 3840x2160 hz: 144 scale: 200% (2) to: 1920x1080
    dpi: 155 gamma: 1.2 chroma: red: x: 0.678 y: 0.314 green: x: 0.271
    y: 0.635 blue: x: 0.149 y: 0.055 white: x: 0.314 y: 0.329
    size: 697x392mm (27.44x15.43") diag: 726mm (28.6") ratio: 16:9, 15:9
    modes: 3840x2160, 2560x1440, 1920x1080, 1680x1050, 1280x1024, 1440x900,
    1280x720, 1024x768, 800x600, 720x480, 640x480
  EDID-Warnings: 1: parse_edid: unhandled CEA mode 97 2: parse_edid:
    unhandled CEA mode 118 3: parse_edid: unknown tag 112
  Monitor-3: HDMI-A-1 pos: primary,top-left model: Samsung S24R65x
    serial: <filter> built: 2019 res: mode: 1920x1080 hz: 75 scale: 100% (1)
    dpi: 93 gamma: 1.2 chroma: red: x: 0.667 y: 0.329 green: x: 0.286 y: 0.624
    blue: x: 0.141 y: 0.078 white: x: 0.314 y: 0.329
    size: 527x296mm (20.75x11.65") diag: 604mm (23.8") ratio: 16:9
    modes: 1920x1080, 1680x1050, 1600x900, 1280x1024, 1440x900, 1280x800,
    1152x864, 1280x720, 1024x768, 800x600, 720x576, 720x480, 640x480
  API: EGL v: 1.5 hw: drv: nvidia platforms: device: 0 drv: nvidia device: 2
    drv: swrast gbm: drv: nvidia surfaceless: drv: nvidia wayland: drv: nvidia
    x11: drv: nvidia inactive: device-1
  API: OpenGL v: 4.6.0 compat-v: 4.5 vendor: nvidia mesa v: 580.82.09
    glx-v: 1.4 direct-render: yes renderer: NVIDIA GeForce RTX 4080/PCIe/SSE2
    memory: 15.62 GiB display-ID: :1.0
  API: Vulkan v: 1.4.321 layers: 6 device: 0 type: discrete-gpu
    name: NVIDIA GeForce RTX 4080 driver: nvidia v: 580.82.09
    device-ID: 10de:2704 surfaces: N/A
  Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo
    de: kscreen-console,kscreen-doctor gpu: nvidia-settings,nvidia-smi
    wl: wayland-info x11: xdpyinfo, xprop, xrandr
Audio:
  Device-1: NVIDIA driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s
    lanes: 16 bus-ID: 01:00.1 chip-ID: 10de:22bb class-ID: 0403
  Device-2: Advanced Micro Devices [AMD] Family 17h/19h/1ah HD Audio
    vendor: ASUSTeK driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s
    lanes: 16 bus-ID: 0c:00.6 chip-ID: 1022:15e3 class-ID: 0403
  Device-3: Elgato Systems GmbH Game Capture HD60 X
    driver: hid-generic,snd-usb-audio,usbhid,uvcvideo type: USB rev: 3.0
    speed: 5 Gb/s lanes: 1 mode: 3.2 gen-1x1 bus-ID: 2-2:2 chip-ID: 0fd9:0082
    class-ID: 0300 serial: <filter>
  Device-4: Valve VR Radio driver: cdc_acm,hid-generic,usbhid type: USB
    rev: 2.0 speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 3-6.3.2:7
    chip-ID: 28de:2102 class-ID: 0a00 serial: <filter>
  Device-5: Valve VR Radio & HMD Mic
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 2.0 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 3-6.3.3:8 chip-ID: 28de:2102 class-ID: 0102
    serial: <filter>
  Device-6: Logitech HD Pro Webcam C920 driver: snd-usb-audio,uvcvideo
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 5-1:2
    chip-ID: 046d:082d class-ID: 0102 serial: <filter>
  Device-7: Audio-Technica AT2020USB+
    driver: hid-generic,snd-usb-audio,usbhid type: USB rev: 1.1 speed: 12 Mb/s
    lanes: 1 mode: 1.1 bus-ID: 9-1:2 chip-ID: 0909:001c class-ID: 0300
  API: ALSA v: k6.12.48-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 1.4.8 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Realtek RTL8125 2.5GbE vendor: ASUSTeK driver: r8169 v: kernel
    pcie: gen: 2 speed: 5 GT/s lanes: 1 port: e000 bus-ID: 08:00.0
    chip-ID: 10ec:8125 class-ID: 0200
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  IF-ID-1: docker0 state: down mac: <filter>
  IP v4: <filter> scope: global broadcast: <filter>
  Info: services: NetworkManager,systemd-timesyncd
  WAN IP: <filter>
Bluetooth:
  Device-1: ASUSTek ASUS USB-BT500 driver: btusb v: 0.8 type: USB rev: 1.1
    speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 7-2:3 chip-ID: 0b05:190e
    class-ID: e001 serial: <filter>
  Report: rfkill ID: hci0 rfk-id: 1 state: up address: see --recommends
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 10.01 TiB used: 1.88 TiB (18.8%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung
    model: SSD 970 EVO Plus 1TB size: 931.51 GiB block-size: physical: 512 B
    logical: 512 B speed: 31.6 Gb/s lanes: 4 tech: SSD serial: <filter>
    fw-rev: 2B2QEXM7 temp: 29.9 C scheme: MBR
  ID-2: /dev/nvme1n1 maj-min: 259:4 vendor: Western Digital
    model: WD BLACK SN770 2TB size: 1.82 TiB block-size: physical: 512 B
    logical: 512 B speed: 63.2 Gb/s lanes: 4 tech: SSD serial: <filter>
    fw-rev: 731100WD temp: 28.9 C scheme: MBR
  ID-3: /dev/sda maj-min: 8:0 vendor: Western Digital
    model: WD Blue SA510 2.5 4TB size: 3.64 TiB block-size: physical: 512 B
    logical: 512 B speed: 6.0 Gb/s tech: SSD serial: <filter> fw-rev: 00WD
    scheme: GPT
  ID-4: /dev/sdb maj-min: 8:16 vendor: Samsung model: SSD 870 EVO 4TB
    size: 3.64 TiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 2B6Q scheme: GPT
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 1.82 TiB size: 1.82 TiB (100.00%) used: 366.97 GiB (19.7%)
    fs: btrfs dev: /dev/nvme1n1p1 maj-min: 259:5 label: N/A
    uuid: f97c6e3c-bbda-4417-b4d3-1d7d570d49ca
  ID-2: /home raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
    used: 366.97 GiB (19.7%) fs: btrfs dev: /dev/nvme1n1p1 maj-min: 259:5
    label: N/A uuid: f97c6e3c-bbda-4417-b4d3-1d7d570d49ca
  ID-3: /mnt/c raw-size: 930.16 GiB size: 930.16 GiB (100.00%)
    used: 775.17 GiB (83.3%) fs: ntfs dev: /dev/nvme0n1p2 maj-min: 259:2
    label: System uuid: 6E780780FF9D7E2E
  ID-4: /mnt/s raw-size: 3.64 TiB size: 3.64 TiB (100.00%)
    used: 783.97 GiB (21.0%) fs: ntfs dev: /dev/sda1 maj-min: 8:1
    label: Stefans Stuff 2 uuid: AAD0248FD0246433
  ID-5: /var/cache raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
    used: 366.97 GiB (19.7%) fs: btrfs dev: /dev/nvme1n1p1 maj-min: 259:5
    label: N/A uuid: f97c6e3c-bbda-4417-b4d3-1d7d570d49ca
  ID-6: /var/log raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
    used: 366.97 GiB (19.7%) fs: btrfs dev: /dev/nvme1n1p1 maj-min: 259:5
    label: N/A uuid: f97c6e3c-bbda-4417-b4d3-1d7d570d49ca
Swap:
  Alert: No swap data was found.
Unmounted:
  ID-1: /dev/nvme0n1p1 maj-min: 259:1 size: 500 MiB fs: ntfs label: N/A
    uuid: B4FC7F32FC7EEE4C
  ID-2: /dev/nvme0n1p3 maj-min: 259:3 size: 883 MiB fs: ntfs label: N/A
    uuid: 7A6CE9206CE8D841
  ID-3: /dev/sdb1 maj-min: 8:17 size: 16 MiB fs: <superuser required>
    label: N/A uuid: N/A
  ID-4: /dev/sdb2 maj-min: 8:18 size: 3.64 TiB fs: ntfs label: Data Stuff
    uuid: 167612167611F769
USB:
  Hub-1: 1-0:1 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-2: 2-0:1 info: super-speed hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Device-1: 2-2:2 info: Elgato Systems GmbH Game Capture HD60 X
    type: video,audio,HID driver: hid-generic,snd-usb-audio,usbhid,uvcvideo
    interfaces: 5 rev: 3.0 speed: 5 Gb/s (596.0 MiB/s) lanes: 1
    mode: 3.2 gen-1x1 power: 400mA chip-ID: 0fd9:0082 class-ID: 0300
    serial: <filter>
  Hub-3: 3-0:1 info: hi-speed hub with single TT ports: 12 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 3-5:2 info: Logitech M-U0007 [Corded Mouse M500] type: mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 98mA
    chip-ID: 046d:c069 class-ID: 0301
  Hub-4: 3-6:3 info: Valve ports: 3 rev: 2.0 speed: 480 Mb/s (57.2 MiB/s)
    lanes: 1 mode: 2.0 power: 2mA chip-ID: 28de:2613 class-ID: 0900
  Hub-5: 3-6.3:5 info: Microchip (formerly SMSC) Hub ports: 5 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 0424:2744
    class-ID: 0900
  Device-1: 3-6.3.1:6 info: Valve Index HMD type: HID
    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: 28de:2300 class-ID: 0300
    serial: <filter>
  Device-2: 3-6.3.2:7 info: Valve VR Radio
    type: HID,abstract (modem),CDC-data driver: cdc_acm,hid-generic,usbhid
    interfaces: 3 rev: 2.0 speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1
    chip-ID: 28de:2102 class-ID: 0a00 serial: <filter>
  Device-3: 3-6.3.3:8 info: Valve VR Radio & HMD Mic type: HID,audio
    driver: hid-generic,snd-usb-audio,usbhid interfaces: 3 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 28de:2102
    class-ID: 0102 serial: <filter>
  Device-4: 3-6.3.5:9 info: Microchip (formerly SMSC) Hub Controller
    type: Hub driver: N/A interfaces: 1 rev: 2.0 speed: 480 Mb/s (57.2 MiB/s)
    lanes: 1 mode: 2.0 chip-ID: 0424:2740 class-ID: 0000
  Device-5: 3-7:4 info: ASUSTek AURA LED Controller type: HID
    driver: hid-generic,usbhid interfaces: 2 rev: 2.0 speed: 12 Mb/s (1.4 MiB/s)
    lanes: 1 mode: 1.1 power: 16mA chip-ID: 0b05:19af class-ID: 0300
    serial: <filter>
  Hub-6: 4-0:1 info: super-speed hub ports: 6 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-7: 4-6:2 info: Microchip (formerly SMSC) Hub ports: 4 rev: 3.2
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 0424:5744
    class-ID: 0900
  Device-1: 4-6.1:3 info: Valve 3D Camera type: video driver: uvcvideo
    interfaces: 2 rev: 3.2 speed: 5 Gb/s (596.0 MiB/s) lanes: 1
    mode: 3.2 gen-1x1 power: 800mA chip-ID: 28de:2400 class-ID: 0e02
    serial: <filter>
  Hub-8: 5-0:1 info: hi-speed hub with single TT ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 5-1:2 info: Logitech HD Pro Webcam C920 type: video,audio
    driver: snd-usb-audio,uvcvideo interfaces: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 500mA
    chip-ID: 046d:082d class-ID: 0102 serial: <filter>
  Hub-9: 6-0:1 info: super-speed hub ports: 2 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-10: 7-0:1 info: hi-speed hub with single TT ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 7-1:2 info: Aperture Science Standard Keyboard
    type: keyboard,HID driver: hid-generic,usbhid interfaces: 2 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 500mA
    chip-ID: feed:1984 class-ID: 0300
  Device-2: 7-2:3 info: ASUSTek ASUS USB-BT500 type: bluetooth driver: btusb
    interfaces: 2 rev: 1.1 speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1
    power: 500mA chip-ID: 0b05:190e class-ID: e001 serial: <filter>
  Hub-11: 8-0:1 info: super-speed hub ports: 2 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-12: 9-0:1 info: hi-speed hub with single TT ports: 1 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 9-1:2 info: Audio-Technica AT2020USB+ 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: 0909:001c class-ID: 0300
  Hub-13: 10-0:1 info: Linux Foundation 3.0 root hub ports: N/A rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 1d6b:0003
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 41.8 C mobo: 31.8 C
  Fan Speeds (rpm): N/A
Repos:
  Packages: 1579 pm: pacman pkgs: 1569 libs: 467 tools: pamac pm: flatpak
    pkgs: 10
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://manjaro.syxpi.fr/manjaro/stable/$repo/$arch
    2: https://mirror.xeonbd.com/manjaro/stable/$repo/$arch
    3: https://mirrors.ocf.berkeley.edu/manjaro/stable/$repo/$arch
    4: https://nnenix.mm.fcix.net/manjaro/stable/$repo/$arch
    5: https://gsl-syd.mm.fcix.net/manjaro/stable/$repo/$arch
    6: https://ask4.mm.fcix.net/manjaro/stable/$repo/$arch
    7: https://mirror.math.princeton.edu/pub/manjaro/stable/$repo/$arch
    8: https://irltoolkit.mm.fcix.net/manjaro/stable/$repo/$arch
    9: http://ftp.uni-kl.de/pub/linux/manjaro/stable/$repo/$arch
    10: https://mirrors.ft.uam.es/manjaro/stable/$repo/$arch
    11: https://free.nchc.org.tw/manjaro/stable/$repo/$arch
    12: https://mnvoip.mm.fcix.net/manjaro/stable/$repo/$arch
    13: https://repo.ialab.dsu.edu/manjaro/stable/$repo/$arch
    14: https://mirror.dkm.cz/manjaro/stable/$repo/$arch
    15: https://mirror.netcologne.de/manjaro/stable/$repo/$arch
    16: https://opencolo.mm.fcix.net/manjaro/stable/$repo/$arch
    17: https://mirror.dimensiondata.com/mirrors/manjaro.org/stable/$repo/$arch
    18: https://ohioix.mm.fcix.net/manjaro/stable/$repo/$arch
    19: https://ziply.mm.fcix.net/manjaro/stable/$repo/$arch
    20: https://mirror.23m.com/manjaro/stable/$repo/$arch
    21: https://manjaro.mirrors.uk2.net/stable/$repo/$arch
    22: https://ftp.gwdg.de/pub/linux/manjaro/stable/$repo/$arch
    23: https://mirror.kamtv.ru/manjaro/stable/$repo/$arch
    24: https://manjaro.ipacct.com/manjaro/stable/$repo/$arch
    25: https://mirror.xenyth.net/manjaro/stable/$repo/$arch
    26: https://nocix.mm.fcix.net/manjaro/stable/$repo/$arch
    27: https://mirror.init7.net/manjaro/stable/$repo/$arch
    28: https://kartolo.sby.datautama.net.id/manjaro/stable/$repo/$arch
    29: https://manjaro.mirror-services.net/pub/stable/$repo/$arch
    30: https://mirror.easyname.at/manjaro/stable/$repo/$arch
    31: https://manjaro.mirrors.lavatech.top/stable/$repo/$arch
    32: https://ftp.psnc.pl/linux/manjaro/stable/$repo/$arch
    33: https://mirrors.eric.ovh/manjaro/stable/$repo/$arch
    34: https://manjaro.c3sl.ufpr.br/stable/$repo/$arch
    35: https://codingflyboy.mm.fcix.net/manjaro/stable/$repo/$arch
    36: https://mirror.2degrees.nz/manjaro/stable/$repo/$arch
    37: https://mirror.fcix.net/manjaro/stable/$repo/$arch
    38: https://coresite.mm.fcix.net/manjaro/stable/$repo/$arch
    39: https://ftpmirror1.infania.net/mirror/manjaro/stable/$repo/$arch
    40: https://mirrors.dotsrc.org/manjaro/stable/$repo/$arch
    41: https://manjaro.ynh.ovh/stable/$repo/$arch
    42: https://mirror.raiolanetworks.com/manjaro/stable/$repo/$arch
    43: https://ftp.halifax.rwth-aachen.de/manjaro/stable/$repo/$arch
    44: http://ossmirror.mycloud.services/os/linux/manjaro/stable/$repo/$arch
    45: https://ipng.mm.fcix.net/manjaro/stable/$repo/$arch
    46: https://mirror.phoepsilonix.love/manjaro/stable/$repo/$arch
    47: https://mirrors.manjaro.org/repo/stable/$repo/$arch
    48: https://mirrors.gigenet.com/manjaro/stable/$repo/$arch
    49: https://mirrors.ucr.ac.cr/manjaro/stable/$repo/$arch
    50: https://muug.ca/mirror/manjaro/stable/$repo/$arch
    51: https://mirrors.sjtug.sjtu.edu.cn/manjaro/stable/$repo/$arch
    52: https://forksystems.mm.fcix.net/manjaro/stable/$repo/$arch
    53: https://mirror.hostiko.network/manjaro/stable/$repo/$arch
    54: https://ftp.rz.tu-bs.de/pub/mirror/manjaro.org/repos/stable/$repo/$arch
    55: https://volico.mm.fcix.net/manjaro/stable/$repo/$arch
    56: https://mirrors.cicku.me/manjaro/stable/$repo/$arch
    57: https://southfront.mm.fcix.net/manjaro/stable/$repo/$arch
    58: https://mirror.alpix.eu/manjaro/stable/$repo/$arch
    59: https://ftp.tu-chemnitz.de/pub/linux/manjaro/stable/$repo/$arch
    60: https://mirror.futureweb.be/manjaro/stable/$repo/$arch
    61: https://mirror.truenetwork.ru/manjaro/stable/$repo/$arch
    62: https://cofractal-ewr.mm.fcix.net/manjaro/stable/$repo/$arch
    63: https://mirrors.up.pt/pub/manjaro/stable/$repo/$arch
    64: https://mirror.alwyzon.net/manjaro/stable/$repo/$arch
    65: https://distrohub.kyiv.ua/manjaro/stable/$repo/$arch
    66: https://quantum-mirror.hu/mirrors/pub/manjaro/stable/$repo/$arch
    67: https://mirrors2.manjaro.org/stable/$repo/$arch
    68: https://ftp.lysator.liu.se/pub/manjaro/stable/$repo/$arch
    69: https://manjaro.kurdy.org/stable/$repo/$arch
    70: https://manjaro.grena.ge/stable/$repo/$arch
    71: https://edgeuno-bog2.mm.fcix.net/manjaro/stable/$repo/$arch
Processes:
  CPU top: 5 of 633
  1: cpu: 10.2% command: zsh pid: 12548 mem: 10.8 MiB (0.0%)
  2: cpu: 0.8% command: exe pid: 2662 mem: 620.5 MiB (0.4%)
  3: cpu: 0.8% command: Discord pid: 11664 mem: 237.6 MiB (0.1%)
  4: cpu: 0.4% command: kwin_wayland pid: 1371 mem: 317.9 MiB (0.2%)
  5: cpu: 0.3% command: firefox pid: 3556 mem: 917.7 MiB (0.7%)
  Memory top: 5 of 633
  1: mem: 1244.2 MiB (0.9%) command: plasmashell pid: 1523 cpu: 0.0%
  2: mem: 917.7 MiB (0.7%) command: firefox pid: 3556 cpu: 0.3%
  3: mem: 620.5 MiB (0.4%) command: exe pid: 2662 cpu: 0.8%
  4: mem: 346.2 MiB (0.2%) command: konsole pid: 11920 cpu: 0.3%
  5: mem: 336.8 MiB (0.2%) command: firefox pid: 10674 cpu: 0.0%
Info:
  Processes: 633 Power: uptime: 12h 50m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 1 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 50.18 GiB services: org_kde_powerdevil,
    power-profiles-daemon, upowerd Init: systemd v: 257 default: graphical
    tool: systemctl
  Compilers: clang: 20.1.8 gcc: 15.2.1 alt: 14 Shell: Zsh v: 5.9
    running-in: konsole inxi: 3.3.39
18

Results are in! I didn’t help :(. Same effect. Three flashes and then I’m thrown back at the lock screen

19

There is always another user to switch to which would be root. Not claiming it would be a good idea to log into plasma as root - but it’s possible.

So what happens on Session -> Switch User is you go to tty3 (ctrl+alt+f3) which shows the login screen where you can select a user to login (you can log in any user under “Other”). While this works, what i noticed though is if i have logged in two users i can’t switch back to my first user :thinking: I mean i can if i log out the second one but how do i switch between them?

1 Like
20

Well that’s a very bad idea, but

should work. It does here, though it seems like what they actually want is to lock the screen. If I remember correctly it used to open a second session.

It makes sense, what if someone tries to switch user then changes their mind.

21

Although that is not a good idea, it works.
The logged in users session stays active and I can switch between the two.
In the root session, the audio interface is inactive/blocked - the panel icon is showing it as crossed out.

I created a new test user, a normal user without admin permissions.
Switching between my normal user and this test user worked as well.
Audio was not crossed out …

and:
I could shut down the machine using this test user (who does not have admin permissions) -
while the other, the normal user with admin permissions, was still logged in.
No warning. :man_shrugging:

22

Well the issue I have is that sddm fails to load tty3. I see a lot of tangents happening in this thread which don’t solve my issue