Mhwd locks up when invoked kernel 5.15

Greetings …

While booted to kernel 5.15.7-1 (and beginning with first 5.15 release) any invocation of mhwd locks up - when using System Settings Hardware Configuration, the System Settings window freezes with dimmed text and cannot be killed. When invoked from the terminal, the terminal cursor disappears and nothing is displayed, but the terminal window can be killed.

Booting back to LTS kernel 5.10 restores normal function of mhwd, but 5.10 had a bug that caused NetworkManager to lose my Intel AX210 wifi half the time, which was fixed in 5.15.

Anyone else observe this behavior?

inxi -Fazy
System:
  Kernel: 5.15.7-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
    root=UUID=ff897157-6a95-4b42-9298-ba3ff848d4ee rw quiet
    modprobe.blacklist=i2c_piix4
    resume=UUID=50dcdc25-3ec6-4f79-849d-ad2e0097ad90
    acpi_enforce_resources=lax
  Desktop: KDE Plasma 5.23.4 tk: Qt 5.15.2 wm: kwin_x11 vt: 1 dm: SDDM
    Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Desktop System: Gigabyte product: X570S AORUS MASTER v: -CF
    serial: <superuser required>
  Mobo: Gigabyte model: X570S AORUS MASTER serial: <superuser required>
    BIOS: American Megatrends LLC. v: F3c date: 10/01/2021
Battery:
  Device-1: hidpp_battery_0 model: Logitech MX Ergo Multi-Device Trackball
    serial: <filter> charge: 100% (should be ignored) rechargeable: yes
    status: Discharging
CPU:
  Info: model: AMD Ryzen 9 5950X bits: 64 type: MT MCP arch: Zen 3
    family: 0x19 (25) model-id: 0x21 (33) stepping: 0 microcode: 0xA201016
  Topology: cpus: 1x cores: 16 tpc: 2 threads: 32 smt: enabled cache:
    L1: 1024 KiB desc: d-16x32 KiB; i-16x32 KiB L2: 8 MiB desc: 16x512 KiB
    L3: 64 MiB desc: 2x32 MiB
  Speed (MHz): avg: 3512 high: 4652 min/max: 2200/5083 boost: enabled
    scaling: driver: acpi-cpufreq governor: schedutil cores: 1: 3913 2: 3677
    3: 4626 4: 4652 5: 3697 6: 4610 7: 3702 8: 3670 9: 2928 10: 2904 11: 2890
    12: 3624 13: 2876 14: 2876 15: 2878 16: 3599 17: 3675 18: 3697 19: 4625
    20: 3703 21: 3712 22: 4636 23: 3697 24: 3699 25: 2976 26: 2878 27: 2876
    28: 3600 29: 2880 30: 2872 31: 2878 32: 2871 bogomips: 217697
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
  Vulnerabilities:
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: spec_store_bypass
    mitigation: Speculative Store Bypass disabled via prctl and seccomp
  Type: spectre_v1
    mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Full AMD retpoline, IBPB: conditional,
    IBRS_FW, STIBP: always-on, RSB filling
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: NVIDIA TU106 [GeForce RTX 2070 Rev. A] driver: nvidia v: 470.86
    alternate: nouveau,nvidia_drm bus-ID: 0c:00.0 chip-ID: 10de:1f07
    class-ID: 0300
  Device-2: NVIDIA TU117 [GeForce GTX 1650] vendor: ZOTAC driver: nvidia
    v: 470.86 alternate: nouveau,nvidia_drm bus-ID: 0d:00.0 chip-ID: 10de:1f82
    class-ID: 0300
  Display: x11 server: X.Org 1.21.1.2 compositor: kwin_x11 driver:
    loaded: nvidia display-ID: :0 screens: 1
  Screen-1: 0 s-res: 3840x2160 s-dpi: 139 s-size: 702x392mm (27.6x15.4")
    s-diag: 804mm (31.7")
  Monitor-1: DP-0 res: 3840x2160 dpi: 140 size: 697x392mm (27.4x15.4")
    diag: 800mm (31.5")
  Message: Unable to show advanced data. Required tool glxinfo missing.
Audio:
  Device-1: NVIDIA TU106 High Definition Audio driver: snd_hda_intel v: kernel
    bus-ID: 0c:00.1 chip-ID: 10de:10f9 class-ID: 0403
  Device-2: NVIDIA vendor: ZOTAC driver: snd_hda_intel v: kernel
    bus-ID: 0d:00.1 chip-ID: 10de:10fa class-ID: 0403
  Device-3: AMD Starship/Matisse HD Audio vendor: Gigabyte
    driver: snd_hda_intel v: kernel bus-ID: 0f:00.4 chip-ID: 1022:1487
    class-ID: 0403
  Sound Server-1: ALSA v: k5.15.7-1-MANJARO running: yes
  Sound Server-2: JACK v: 1.9.19 running: no
  Sound Server-3: PulseAudio v: 15.0 running: no
  Sound Server-4: PipeWire v: 0.3.40 running: yes
Network:
  Device-1: Intel Wi-Fi 6 AX210/AX211/AX411 160MHz driver: iwlwifi v: kernel
    bus-ID: 07:00.0 chip-ID: 8086:2725 class-ID: 0280
  IF: wlp7s0 state: up mac: <filter>
  Device-2: Intel Ethernet I225-V vendor: Gigabyte driver: igc v: kernel
    port: N/A bus-ID: 08:00.0 chip-ID: 8086:15f3 class-ID: 0200
  IF: enp8s0 state: down mac: <filter>
Bluetooth:
  Device-1: Intel AX210 Bluetooth type: USB driver: btusb v: 0.8 bus-ID: 5-5:2
    chip-ID: 8087:0032 class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Drives:
  Local Storage: total: 4.1 TiB used: 356.7 GiB (8.5%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 model: T-FORCE TM8FP7001T
    size: 931.51 GiB block-size: physical: 512 B logical: 512 B speed: 63.2 Gb/s
    lanes: 4 type: SSD serial: <filter> rev: EGFM13.0 temp: 59.9 C scheme: MBR
  ID-2: /dev/nvme1n1 maj-min: 259:5 vendor: Samsung model: SSD 960 EVO 250GB
    size: 232.89 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 type: SSD serial: <filter> rev: 3B7QCXE7 temp: 64.8 C scheme: MBR
  ID-3: /dev/nvme2n1 maj-min: 259:6 vendor: Samsung model: SSD 970 EVO 1TB
    size: 931.51 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 type: SSD serial: <filter> rev: 2B2QEXE7 temp: 65.8 C scheme: GPT
  ID-4: /dev/sda maj-min: 8:0 vendor: Western Digital
    model: WD1003FZEX-00MK2A0 size: 931.51 GiB block-size: physical: 4096 B
    logical: 512 B speed: 6.0 Gb/s type: HDD rpm: 7200 serial: <filter>
    rev: 1A01 scheme: GPT
  ID-5: /dev/sdb maj-min: 8:16 vendor: Western Digital
    model: WD10EZEX-08M2NA0 size: 931.51 GiB block-size: physical: 4096 B
    logical: 512 B speed: 6.0 Gb/s type: HDD rpm: 7200 serial: <filter>
    rev: 1A01 scheme: MBR
  ID-6: /dev/sdc maj-min: 8:32 vendor: Samsung model: SSD 830 Series
    size: 59.63 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 3B1Q scheme: MBR
  ID-7: /dev/sdd maj-min: 8:48 vendor: Samsung model: SSD 830 Series
    size: 119.24 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 3B1Q scheme: MBR
  ID-8: /dev/sde maj-min: 8:64 type: USB model: USB DISK 3.0 size: 28.9 GiB
    block-size: physical: 512 B logical: 512 B type: N/A serial: <filter>
    rev: PMAP scheme: MBR
  SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure?
  ID-9: /dev/sdf maj-min: 8:80 type: USB model: USB DISK 3.0 size: 28.9 GiB
    block-size: physical: 512 B logical: 512 B type: N/A serial: <filter>
    rev: PMAP scheme: MBR
  SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure?
Partition:
  ID-1: / raw-size: 55.03 GiB size: 53.91 GiB (97.97%) used: 44.39 GiB (82.3%)
    fs: ext4 dev: /dev/nvme0n1p1 maj-min: 259:1
  ID-2: /home raw-size: 140.29 GiB size: 137.97 GiB (98.34%)
    used: 65.61 GiB (47.6%) fs: ext4 dev: /dev/nvme0n1p3 maj-min: 259:3
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
  ID-1: swap-1 type: partition size: 15.93 GiB used: 0 KiB (0.0%)
    priority: -2 dev: /dev/nvme0n1p5 maj-min: 259:4
Sensors:
  System Temperatures: cpu: 16.8 C mobo: N/A gpu: nvidia temp: 86 C
  Fan Speeds (RPM): N/A gpu: nvidia fan: 70%
Info:
  Processes: 577 Uptime: 13h 20m wakeups: 25 Memory: 31.31 GiB
  used: 5.43 GiB (17.3%) Init: systemd v: 249 tool: systemctl Compilers:
  gcc: 11.1.0 alt: 10/9 clang: 13.0.0 Packages: pacman: 1755 lib: 464
  Shell: Bash v: 5.1.12 running-in: konsole inxi: 3.3.11

Have you tried to use a terminl to start sudo mhwd-kernel -li ? This way you would get more infos about the process, and his errors :wink:

see@manjaro-wiki mhwd-kernel)