Some sensor plasmoids stopped working

Simple monitor, SysMon and Thermal Monitor no longer show sensors or read them. However, System Monitor Sensor works fine.


inxi output
System:    Kernel: 5.12.15-zen1-1-zen x86_64 bits: 64 compiler: gcc v: 11.1.0 
           parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-zen root=UUID=085d2ede-6f7a-43f2-af2c-9be58cac2afc rw 
           [email protected] resume=UUID=beaf6b19-e7e6-4274-97d2-60ae6d4c482d loglevel=3 amdgpu.dc=1 
           amdgpu.ppfeaturemask=0xffffffff mitigations=off 
           Desktop: KDE Plasma 5.22.3 tk: Qt 5.15.2 wm: kwin_x11 vt: 1 dm: SDDM Distro: Garuda Linux 
           base: Arch Linux 
Machine:   Type: Desktop System: ASUS product: N/A v: N/A serial: <filter> 
           Mobo: ASUSTeK model: PRIME Z390-A v: Rev 1.xx serial: <filter> UEFI: American Megatrends v: 1802 
           date: 12/01/2020 
CPU:       Info: 6-Core model: Intel Core i7-8700K bits: 64 type: MT MCP arch: Kaby Lake note: check family: 6 
           model-id: 9E (158) stepping: A (10) microcode: EA cache: L2: 12 MiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 bogomips: 88796 
           Speed: 4300 MHz min/max: 800/4700 MHz Core speeds (MHz): 1: 4300 2: 4300 3: 4300 4: 4304 5: 4396 6: 4403 
           7: 4309 8: 4358 9: 4399 10: 4400 11: 4402 12: 4401 
           Vulnerabilities: Type: itlb_multihit status: KVM: VMX unsupported 
           Type: l1tf mitigation: PTE Inversion 
           Type: mds status: Vulnerable; SMT vulnerable 
           Type: meltdown status: Vulnerable 
           Type: spec_store_bypass status: Vulnerable 
           Type: spectre_v1 
           status: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers 
           Type: spectre_v2 status: Vulnerable, IBPB: disabled, STIBP: disabled 
           Type: srbds status: Vulnerable 
           Type: tsx_async_abort status: Vulnerable 
Graphics:  Device-1: Intel CometLake-S GT2 [UHD Graphics 630] vendor: ASUSTeK driver: i915 v: kernel bus-ID: 00:02.0 
           chip-ID: 8086:3e92 class-ID: 0380 
           Device-2: Advanced Micro Devices [AMD/ATI] Vega 10 XL/XT [Radeon RX Vega 56/64] vendor: Micro-Star MSI 
           driver: amdgpu v: kernel bus-ID: 03:00.0 chip-ID: 1002:687f class-ID: 0300 
           Display: x11 server: X.Org 1.20.12 compositor: kwin_x11 driver: loaded: amdgpu,ati,intel 
           unloaded: modesetting alternate: fbdev,vesa display-ID: :0 screens: 1 
           Screen-1: 0 s-res: 3840x1080 s-dpi: 96 s-size: 1016x285mm (40.0x11.2") s-diag: 1055mm (41.5") 
           Monitor-1: DisplayPort-1 res: 1920x1080 dpi: 94 size: 521x293mm (20.5x11.5") diag: 598mm (23.5") 
           Monitor-2: DisplayPort-3 res: 1920x1080 dpi: 94 size: 521x293mm (20.5x11.5") diag: 598mm (23.5") 
           OpenGL: renderer: Radeon RX Vega (VEGA10 DRM 3.40.0 5.12.15-zen1-1-zen LLVM 12.0.0) v: 4.6 Mesa 21.1.4 
           direct render: Yes 
Audio:     Device-1: Intel Cannon Lake PCH cAVS vendor: ASUSTeK driver: snd_hda_intel v: kernel 
           alternate: snd_soc_skl,snd_sof_pci_intel_cnl bus-ID: 00:1f.3 chip-ID: 8086:a348 class-ID: 0403 
           Device-2: Advanced Micro Devices [AMD/ATI] Vega 10 HDMI Audio [Radeon Vega 56/64] driver: snd_hda_intel 
           v: kernel bus-ID: 03:00.1 chip-ID: 1002:aaf8 class-ID: 0403 
           Device-3: C-Media Audio Adapter (Unitek Y-247A) type: USB driver: hid-generic,snd-usb-audio,usbhid 
           bus-ID: 1-6.2:6 chip-ID: 0d8c:0014 class-ID: 0300 
           Sound Server-1: ALSA v: k5.12.15-zen1-1-zen running: yes 
           Sound Server-2: JACK v: 0.125.0 running: no 
           Sound Server-3: PulseAudio v: 14.2 running: yes 
           Sound Server-4: PipeWire v: 0.3.31 running: no 
Network:   Device-1: Intel Ethernet I219-V vendor: ASUSTeK driver: e1000e v: kernel port: efa0 bus-ID: 00:1f.6 
           chip-ID: 8086:15bc class-ID: 0200 
           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Bluetooth: Device-1: Realtek Bluetooth Radio type: USB driver: btusb v: 0.8 bus-ID: 1-3:4 chip-ID: 0bda:8771 
           class-ID: e001 serial: <filter> 
           Report: bt-adapter ID: hci0 rfk-id: 0 state: up address: <filter> 
Drives:    Local Storage: total: 1.59 TiB used: 276.22 GiB (16.9%) 
           SMART Message: Unable to run smartctl. Root privileges required. 
           ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Corsair model: Force MP500 size: 111.79 GiB block-size: 
           physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 rotation: SSD serial: <filter> rev: E7FM04.C 
           scheme: GPT 
           ID-2: /dev/nvme1n1 maj-min: 259:4 vendor: Sabrent model: N/A size: 476.94 GiB block-size: physical: 512 B 
           logical: 512 B speed: 31.6 Gb/s lanes: 4 rotation: SSD serial: <filter> rev: RKT303.3 scheme: GPT 
           ID-3: /dev/sda maj-min: 8:0 vendor: Western Digital model: WD10EZEX-08WN4A0 size: 931.51 GiB block-size: 
           physical: 4096 B logical: 512 B speed: 6.0 Gb/s rotation: 7200 rpm serial: <filter> rev: 1A02 scheme: GPT 
           ID-4: /dev/sdb maj-min: 8:16 vendor: A-Data model: SU650 size: 111.79 GiB block-size: physical: 512 B 
           logical: 512 B speed: 6.0 Gb/s rotation: SSD serial: <filter> rev: 1C0 scheme: GPT 
Partition: ID-1: / raw-size: 35 GiB size: 35 GiB (100.00%) used: 14.1 GiB (40.3%) fs: btrfs dev: /dev/nvme0n1p2 
           maj-min: 259:2 
           ID-2: /boot/efi raw-size: 976 MiB size: 974.1 MiB (99.80%) used: 568 KiB (0.1%) fs: vfat 
           dev: /dev/nvme0n1p1 maj-min: 259:1 
           ID-3: /home raw-size: 466.94 GiB size: 466.94 GiB (100.00%) used: 116.11 GiB (24.9%) fs: btrfs 
           dev: /dev/nvme1n1p1 maj-min: 259:5 
Swap:      Kernel: swappiness: 60 (default) cache-pressure: 100 (default) 
           ID-1: swap-1 type: partition size: 16 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/sdb1 maj-min: 8:17 
Sensors:   System Temperatures: cpu: 27.8 C mobo: N/A gpu: amdgpu temp: 39.0 C mem: 38.0 C 
           Fan Speeds (RPM): N/A gpu: amdgpu fan: 1633 
Info:      Processes: 398 Uptime: 19m wakeups: 0 Memory: 15.47 GiB used: 3.41 GiB (22.0%) Init: systemd v: 249 
           tool: systemctl Compilers: gcc: 11.1.0 clang: 12.0.1 Packages: 1722 pacman: 1711 lib: 484 flatpak: 11 
           Shell: Zsh v: 5.8 running-in: konsole inxi: 3.3.05 

note in the inxi output the lack of sensors listed. lmsesnors is installed and works:

sensors output
Adapter: PCI adapter
Composite:    +31.9°C  (low  =  -0.1°C, high = +74.8°C)
                       (crit = +79.8°C)

Adapter: ACPI interface
temp1:        +27.8°C  (crit = +119.0°C)

Adapter: ISA adapter
Package id 0:  +37.0°C  (high = +82.0°C, crit = +100.0°C)
Core 0:        +34.0°C  (high = +82.0°C, crit = +100.0°C)
Core 1:        +35.0°C  (high = +82.0°C, crit = +100.0°C)
Core 2:        +33.0°C  (high = +82.0°C, crit = +100.0°C)
Core 3:        +35.0°C  (high = +82.0°C, crit = +100.0°C)
Core 4:        +34.0°C  (high = +82.0°C, crit = +100.0°C)
Core 5:        +33.0°C  (high = +82.0°C, crit = +100.0°C)

Adapter: PCI adapter
vddgfx:      950.00 mV 
fan1:        1632 RPM  (min =  400 RPM, max = 4900 RPM)
edge:         +37.0°C  (crit = +85.0°C, hyst = -273.1°C)
                       (emerg = +90.0°C)
junction:     +40.0°C  (crit = +105.0°C, hyst = -273.1°C)
                       (emerg = +110.0°C)
mem:          +38.0°C  (crit = +95.0°C, hyst = -273.1°C)
                       (emerg = +100.0°C)
power1:        9.00 W  (cap = 165.00 W)

Adapter: PCI adapter
Composite:    +56.9°C  (low  = -273.1°C, high = +109.8°C)
                       (crit = +129.8°C)
Sensor 2:     +90.8°C  (low  = -273.1°C, high = -273.1°C)

I'm fairly certain this has everything to do with having removed orphan packages, at least one of which wasn't an orphan after all. Problem is I don't know which one.

Por favor, ayuda?

Why not simply roll your system back if you don't know what changes that you made messed your system up?

Well, two reasons:

  1. I learn nothing from that (but will be doing that if I can't figure this out)
  2. I don't want to :stuck_out_tongue: (but my have to. alas.)


You can always check your pacman log for your install/uninstall history if you wish to do the detective work required.


oh duh. See? I'm learning already!

Thanks @tbg :blue_heart:


ksysguard returned the missing functionality. Yay!


Ya, you don't want to go deleting that when running KDE. Glad you found the missing piece to the puzzle.


If the affected applets are KDE provided, you might want to report (or search bugs) upstream for this requirement.

ksysguard is being replaced by a new application, so they may want to know they have to take care of proper dependencies.

Or inform plasmoids' developers... :wink:


Good idea.


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