No me puedo autenticar vía GUI

Cuando lanzo un comando ‘sudo’ todo funciona como se espera: introduzco la contraseña y se ejecuta. Pero si abro desde el menú o la terminal una aplicación que necesita permisos ‘root’, aparece la ventanita flotante para la contraseña, temblando a derecha e izquierda durante un segundo y se cierra. No da tiempo a hacer nada. Si la app fue lanzada desde la terminal, el mensaje de error es:

$ timeshift-launcher 
Error executing command as another user: Not authorized

This incident has been reported.

Por si es relevante, para realizar la última actualización del sistema tuve que recrear el depósito de claves, ya que los paquetes del mantenedor dbermond@archlinux.org aparecían marcados como de poca confianza y ‘pamac’ se negaba a instalarlos. Después de probar varias soluciones, la que funcionó fue:

sudo rm -r /etc/pacman.d/gnupg/
sudo pacman-key --init
sudo pacman-key --populate archlinux manjarosudo
sudo pacman -Sc  # may or may not be necessary
pacman -Syyu

El cuarto comando no lo ejecuté, ya que la actualización transcurrió sin problemas. Pero tras acabar el proceso, me encontré este inconveniente. Antes de la recreación / actualización no sucedía. También he probado a iniciar Manjaro con los 3 kernels que tengo instalados: 5.10, 5.15 y 6.1 sin éxito.

$ inxi --admin --verbosity=7 --filter --no-host --width
System:
  Kernel: 5.10.248-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.10-x86_64
    root=UUID=ba620412-4d59-4f0f-bfba-af855ee197bb rw quiet
    udev.log_priority=3
  Desktop: Xfce v: 4.20.1 tk: Gtk v: 3.24.51 wm: xfwm4 v: 4.20.0
    with: xfce4-panel tools: light-locker vt: 7 dm: LightDM v: 1.32.0
    Distro: Manjaro base: Arch Linux
Machine:
  Type: Desktop Mobo: ASRock model: G31M-GS serial: <superuser required>
    uuid: <superuser required> Firmware: BIOS vendor: American Megatrends
    v: P1.40 date: 02/05/2009
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 8 GiB available: 7.77 GiB used: 2 GiB (25.8%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 8 GiB note: est. slots: 2 modules: 2 EC: None
    max-module-size: 4 GiB note: est.
  Device-1: DIMM0 type: SDRAM detail: synchronous size: 4 GiB speed: N/A
    volts: N/A width (bits): data: 64 total: 64 manufacturer: N/A part-no: N/A
    serial: N/A
  Device-2: DIMM1 type: SDRAM detail: synchronous size: 4 GiB speed: N/A
    volts: N/A width (bits): data: 64 total: 64 manufacturer: N/A part-no: N/A
    serial: N/A
CPU:
  Info: model: Intel Core2 Duo E8600 bits: 64 type: MCP arch: Penryn level: v1
    built: 2008 process: Intel 45nm family: 6 model-id: 0x17 (23)
    stepping: 0xA (10) microcode: 0xA0B
  Topology: cpus: 1x dies: 1 cores: 2 smt: <unsupported> cache: L1: 128 KiB
    desc: d-2x32 KiB; i-2x32 KiB L2: 6 MiB desc: 1x6 MiB
  Speed (MHz): avg: 2834 min/max: 2003/3336 scaling: driver: acpi-cpufreq
    governor: schedutil cores: 1: 2834 2: 2834 bogomips: 13115
  Flags: acpi aperfmperf apic arch_perfmon bts clflush cmov constant_tsc
    cpuid cx16 cx8 de ds_cpl dtes64 dtherm dts est flexpriority fpu fxsr ht
    lahf_lm lm mca mce mmx monitor msr mtrr nopl nx pae pat pbe pdcm pebs pge
    pni pse pse36 pti rep_good sep smx sse sse2 sse4_1 ssse3 syscall tm tm2
    tpr_shadow tsc vme vmx vnmi vpid xsave xtpr
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: indirect_target_selection status: Not affected
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf mitigation: PTE Inversion; VMX: EPT disabled
  Type: mds status: Vulnerable: Clear CPU buffers attempted, no microcode;
    SMT disabled
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data status: Unknown: No mitigations
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed status: Not affected
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass status: Vulnerable
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines, STIBP: disabled, RSB filling,
    PBRSB-eIBRS: Not affected
  Type: srbds status: Not affected
  Type: tsa status: Not affected
  Type: tsx_async_abort status: Not affected
  Type: vmscape status: Not affected
Graphics:
  Device-1: NVIDIA GK208B [GeForce GT 710] vendor: ASUSTeK GT710-SL-1GD5
    driver: nvidia v: 470.256.02 alternate: nouveau,nvidia_drm non-free:
    series: 470.xx+ status: legacy-active (EOL~2024-09-xx) arch: Fermi-2
    code: GF119/GK208 process: TSMC 28nm built: 2010-2016 pcie: gen: 1
    speed: 2.5 GT/s lanes: 8 ports: active: none off: HDMI-A-1
    empty: DVI-D-1,VGA-1 bus-ID: 04:00.0 chip-ID: 10de:128b class-ID: 0300
  Display: x11 server: X.Org v: 21.1.21 compositor: xfwm4 v: 4.20.0 driver:
    X: loaded: nvidia gpu: nvidia,nvidia-nvswitch display-ID: :0.0 screens: 1
  Screen-1: 0 s-res: 1280x720 s-dpi: 96 s-size: 339x191mm (13.35x7.52")
    s-diag: 389mm (15.32")
  Monitor-1: HDMI-A-1 mapped: HDMI-0 note: disabled model: Asus VX279
    serial: <filter> built: 2016 res: mode: 1280x720 hz: 60 scale: 100% (1)
    dpi: 52 gamma: 1.2 size: 621x341mm (24.45x13.43") diag: 690mm (27.2")
    ratio: 16:9 modes: max: 1920x1080 min: 640x480
  API: OpenGL Message: Unable to show GL data. glxinfo is missing.
  Info: Tools: de: xfce4-display-settings gpu: nvidia-settings,nvidia-smi
    x11: xdpyinfo, xprop, xrandr
Audio:
  Device-1: Intel NM10/ICH7 Family High Definition Audio vendor: ASRock
    driver: snd_hda_intel v: kernel bus-ID: 00:1b.0 chip-ID: 8086:27d8
    class-ID: 0403
  Device-2: NVIDIA GK208 HDMI/DP Audio vendor: ASUSTeK driver: snd_hda_intel
    v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 8 bus-ID: 04:00.1
    chip-ID: 10de:0e0f class-ID: 0403
  API: ALSA v: k5.10.248-1-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: 1.4.10 status: off tools: pw-cli
  Server-3: PulseAudio v: 17.0-98-gb096 status: active with:
    1: pulseaudio-alsa type: plugin 2: pulseaudio-jack type: module
    tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: ASRock driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1
    port: d800 bus-ID: 01:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp1s0 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: up speed: 10000 Mbps duplex: unknown mac: <filter>
  IP v4: <filter> scope: global broadcast: <filter>
  IP v6: <filter> scope: link
  IF-ID-2: veth916b6c8 state: up speed: 10000 Mbps duplex: full mac: <filter>
  Info: services: NetworkManager, nfsd, sshd, systemd-timesyncd
  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: 460.41 GiB (22.0%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda maj-min: 8:0 vendor: Samsung model: SSD 850 EVO 250GB
    size: 232.88 GiB block-size: physical: 512 B logical: 512 B speed: <unknown>
    tech: SSD serial: <filter> fw-rev: 2B6Q scheme: GPT
  ID-2: /dev/sdb maj-min: 8:16 vendor: Western Digital
    model: WD20EZRZ-00Z5HB0 size: 1.82 TiB block-size: physical: 4096 B
    logical: 512 B speed: <unknown> tech: HDD rpm: 5400 serial: <filter>
    fw-rev: 0A80 scheme: GPT
  Optical-1: /dev/sr0 vendor: HL-DT-ST model: DVD-ROM GDR8164B rev: 0L06
    dev-links: cdrom
  Features: speed: 52 multisession: yes audio: yes dvd: yes rw: none
    state: running
Partition:
  ID-1: / raw-size: 30 GiB size: 29.36 GiB (97.87%) used: 22.46 GiB (76.5%)
    fs: ext4 dev: /dev/sda2 maj-min: 8:2 label: Manjaro
    uuid: ba620412-4d59-4f0f-bfba-af855ee197bb
  ID-2: /home raw-size: 40 GiB size: 39.08 GiB (97.69%)
    used: 22.76 GiB (58.2%) fs: ext4 dev: /dev/sda3 maj-min: 8:3
    label: Manjaro Home uuid: 46b679f6-fb65-47a1-aa54-004640321dfd
  ID-3: /mnt/nas raw-size: 1.82 TiB size: 1.79 TiB (98.43%)
    used: 403.92 GiB (22.0%) fs: ext2 dev: /dev/sdb1 maj-min: 8:17 label: N/A
    uuid: 4770dd64-1713-423d-843b-0947346dde1c
  ID-4: /mnt/p2pTemp raw-size: 50 GiB size: 49.16 GiB (98.33%)
    used: 11.27 GiB (22.9%) fs: ext2 dev: /dev/sda1 maj-min: 8:1 label: N/A
    uuid: 98573c0d-056c-4da6-8ff1-20a2afe7a5b9
Swap:
  Kernel: swappiness: 1 (default 60) cache-pressure: 100 (default) zswap: yes
    compressor: zstd max-pool: 20%
  ID-1: swap-1 type: partition size: 8 GiB used: 256 KiB (0.0%) priority: -2
    dev: /dev/sda4 maj-min: 8:4 label: swap
    uuid: 2e231d39-5e2c-43a8-8bf8-529df33c2358
Unmounted:
  Message: No unmounted partitions found.
USB:
  Hub-1: 1-0:1 info: full speed or root hub ports: 8 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: full speed or root hub ports: 2 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Device-1: 2-1:2 info: Logitech MK260 Wireless Combo Receiver
    type: keyboard,mouse driver: hid-generic,usbhid interfaces: 2 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 98mA
    chip-ID: 046d:c52e class-ID: 0301
  Hub-3: 3-0:1 info: full speed or root hub ports: 2 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-4: 4-0:1 info: full speed or root hub ports: 2 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-5: 5-0:1 info: full speed or root hub ports: 2 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 46.0 C mobo: N/A gpu: nvidia temp: 51 C
  Fan Speeds (rpm): N/A
Info:
  Processes: 262 Power: uptime: 5h 47m states: freeze,standby,mem,disk
    suspend: deep avail: s2idle,shallow wakeups: 0 hibernate: platform
    avail: shutdown, reboot, suspend, test_resume image: 3.08 GiB
    services: upowerd,xfce4-power-manager Init: systemd v: 258
    default: graphical tool: systemctl
  Packages: pm: pacman pkgs: 1381 libs: 406 tools: pamac pm: flatpak pkgs: 0
    Compilers: clang: 21.1.6 gcc: 15.2.1 Shell: Bash v: 5.3.9
    running-in: xfce4-terminal inxi: 3.3.40

Gracias.

Hola @Wibol ,
Una persona tuvo el mismo problema y lo reportó en un post de hace cinco años que te dejo abajo.
Le preguntan si tiene los repositorios multilib habilitados, que muestre e l resultado de este comando ejecutado desde la terminal, que cambie de sesión zsh a bash y que muestre la salida de los repositorios y de los grupos a los que pertenece el usuario.
GUI apps fail to ask for root access in KDE - #8 by FadeMind
Te dejo un ejemplo, para que veas si se soluciona tu problema.

pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY timeshift-gtk
pacman -Qqen > ~/pkglist-repo.txt
groups
cat /etc/group

Estás utilizando kernels viejos, te aconsejo instalar linux612 y linux612-headers y desinstalar los otros.

Saludos cordiales,

Por muchas búsquedas que he hecho, no encontré ese post. Supongo que usé las palabras clave equivocadas. Gracias por tomarte la molestia.

De todos modos la solución ha sido instalar el kernel 6.12, como me dijiste. Nada más. El resto de kernels siguen con el mismo problema.

Gracias de nuevo.

1 Like

A quien pueda interesar:

He desinstalado todos los kernels excepto el 6.12 y a continuación, instalado todos los kernels LTS disponibles en los repos. El problema con la ventana flotante de autenticación GUI desaparece sólo con los kernels 6.12 y 6.6. Todos los demás lo presentan.

Como no es posible instalar kernels gráficamente debido a que no puedes autenticarte, la opción que nos queda es hacerlo desde la terminal.

Instalar kernel 6.12:
sudo mhwd-kernel -i linux612

Instalar kernel 6.6:
sudo mhwd-kernel -i linux66

Listar kernels disponibles:
sudo mhwd-kernel -l

Listar kernels instalados:
sudo mhwd-kernel -li

Desinstalar kernel X.XX:
sudo mhwd-kernel -r linuXXX

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