Frequent stutters on the desktop and when switching applications

Usually after 30 minutes to an hour, the desktop freezes for 3-5 seconds and then goes back to normal. This also happens when I swap tabs on my browser (Firefox) when I hover over the tab and the preview of the tab comes up, then it freezes.

output of inxi -Fzxx

System:
  Kernel: 6.12.10-200.fc41.x86_64 arch: x86_64 bits: 64 compiler: gcc
    v: 14.2.1
  Desktop: KDE Plasma v: 6.2.5 tk: Qt v: N/A wm: kwin_x11 dm: SDDM
    Distro: Fedora Linux 41 (KDE Plasma)
Machine:
  Type: Desktop Mobo: ASUSTeK model: PRIME B350-PLUS v: Rev X.0x
    serial: <superuser required> part-nu: SKU UEFI: American Megatrends v: 6203
    date: 07/27/2023
CPU:
  Info: 8-core model: AMD Ryzen 7 5800X3D bits: 64 type: MT MCP arch: Zen 3+
    rev: 2 cache: L1: 512 KiB L2: 4 MiB L3: 96 MiB
  Speed (MHz): avg: 3553 min/max: 550/4550 boost: enabled cores: 1: 3553
    2: 3553 3: 3553 4: 3553 5: 3553 6: 3553 7: 3553 8: 3553 9: 3553 10: 3553
    11: 3553 12: 3553 13: 3553 14: 3553 15: 3553 16: 3553 bogomips: 108595
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 22 [Radeon RX 6700/6700
    XT/6750 XT / 6800M/6850M XT] vendor: Sapphire driver: amdgpu v: kernel
    arch: RDNA-2 pcie: speed: 16 GT/s lanes: 16 ports: active: HDMI-A-1
    empty: DP-1, DP-2, DP-3, Writeback-1 bus-ID: 0a:00.0 chip-ID: 1002:73df
  Display: x11 server: X.Org v: 21.1.15 with: Xwayland v: 24.1.4
    compositor: kwin_x11 driver: X: loaded: modesetting alternate: fbdev,vesa
    dri: radeonsi gpu: amdgpu display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96
  Monitor-1: HDMI-A-1 mapped: HDMI-1 model: AOC 24G2W1G4 res: N/A dpi: 93
    diag: 604mm (23.8")
  API: EGL v: 1.5 platforms: device: 0 drv: radeonsi device: 1 drv: swrast
    gbm: drv: kms_swrast surfaceless: drv: radeonsi x11: drv: radeonsi
    inactive: wayland
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 24.3.4 glx-v: 1.4
    direct-render: yes renderer: AMD Radeon RX 6750 XT (radeonsi navi22 LLVM
    19.1.0 DRM 3.59 6.12.10-200.fc41.x86_64) device-ID: 1002:73df
  API: Vulkan v: 1.4.304 surfaces: xcb,xlib device: 0 type: discrete-gpu
    driver: N/A device-ID: 1002:73df device: 1 type: cpu driver: N/A
    device-ID: 10005:0000
  Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo
    de: kscreen-console,kscreen-doctor wl: wayland-info x11: xdriinfo,
    xdpyinfo, xprop, xrandr
Audio:
  Device-1: Advanced Micro Devices [AMD/ATI] Navi 21/23 HDMI/DP Audio
    driver: snd_hda_intel v: kernel pcie: speed: 16 GT/s lanes: 16
    bus-ID: 0a:00.1 chip-ID: 1002:ab28
  Device-2: Advanced Micro Devices [AMD] Starship/Matisse HD Audio
    vendor: ASUSTeK driver: snd_hda_intel v: kernel pcie: speed: 16 GT/s
    lanes: 16 bus-ID: 0c:00.4 chip-ID: 1022:1487
  Device-3: BTD 600 driver: hid-generic,snd-usb-audio,usbhid type: USB
    rev: 2.0 speed: 12 Mb/s lanes: 1 bus-ID: 1-10.1:4 chip-ID: 3542:3000
  API: ALSA v: k6.12.10-200.fc41.x86_64 status: kernel-api
  Server-1: PipeWire v: 1.2.7 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    4: pw-jack type: plugin
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: ASUSTeK RTL8111H driver: r8169 v: kernel pcie: speed: 2.5 GT/s
    lanes: 1 port: f000 bus-ID: 04:00.0 chip-ID: 10ec:8168
  IF: enp4s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives:
  Local Storage: total: 2.96 TiB used: 1.05 TiB (35.5%)
  ID-1: /dev/nvme0n1 vendor: Corsair model: MP600 PRO LPX size: 1.82 TiB
    speed: 63.2 Gb/s lanes: 4 serial: <filter> temp: 30.9 C
  ID-2: /dev/sda vendor: Samsung model: SSD 860 EVO 250GB size: 232.89 GiB
    speed: 6.0 Gb/s serial: <filter>
  ID-3: /dev/sdb vendor: Seagate model: ST1000DM010-2EP102 size: 931.51 GiB
    speed: 6.0 Gb/s serial: <filter>
Partition:
  ID-1: / size: 454.24 GiB used: 26.84 GiB (5.9%) fs: ext4 dev: /dev/nvme0n1p1
  ID-2: /boot/efi size: 95 MiB used: 50.6 MiB (53.3%) fs: vfat
    dev: /dev/sda2
  ID-3: /home size: 1.34 TiB used: 1.02 TiB (76.2%) fs: ext4
    dev: /dev/nvme0n1p2
Swap:
  ID-1: swap-1 type: zram size: 8 GiB used: 0 KiB (0.0%) priority: 100
    dev: /dev/zram0
Sensors:
  System Temperatures: cpu: 38.5 C mobo: N/A gpu: amdgpu temp: 39.0 C
    mem: 34.0 C
  Fan Speeds (rpm): N/A gpu: amdgpu fan: 0
Info:
  Memory: total: 16 GiB available: 15.52 GiB used: 5.99 GiB (38.6%)
  Processes: 442 Power: uptime: 3h 19m wakeups: 0 Init: systemd v: 256
    target: graphical (5) default: graphical
  Packages: pm: rpm pkgs: N/A note: see --rpm pm: flatpak pkgs: 7 Compilers:
    gcc: 14.2.1 Shell: Zsh v: 5.9 running-in: konsole inxi: 3.3.37

Hi, could you show the output of kinfo too?

Am I correct that you dont use Wayland? I would recommend tryinf Wayland. Log out and in the bottom menu select the option “Plasma Wayland”.

This is the modern session that developers actively work on and improve. The old X11 session is practically unmaintained.

Hello,

kinfo:

Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.12.11-200.fc41.x86_64 (64-bit)
Graphics Platform: X11
Processors: 16 Ă— AMD Ryzen 7 5800X3D 8-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: AMD Radeon RX 6750 XT

I did use Wayland initially, but when gaming “plasmashell” would crash and I changed to x11 and the problem went away.

In addition, when I was trying different kernels, I found that reverting to 6.11.5-300.fc41 would make the problem seemingly go away. Though I haven’t checked fully yet.

You should try report the problems to whatever software you used, possibly plasma. Use journalctl to get errors.

Because switching back to X11 is not a viable solution anymore.

This may be a kernel issue.

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