Fedora 42 - everything crashes after update

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1

So as the title suggests, this morning i updated the system using Discovery, but after reboot, the system is just not working. I can log in just fine, but after login, everything is crashing. Open dolphin - crash, open discovery - crash, right click on desktop - crash, right click taskbar - crash, open start menu - crash, cant open console, because crash… open console with CTRL+ALT+T - crash, cant even get any kind of error log, because crash…

But some applications work just fine. My VPN connects, Steam opens, browser works too. And they all work normal as well - i can watch youtube videos, play games on steam - i tried Stellar Blade which runs on steam proton and A Dance of Fire and Ice which has native linux port, and they both work no problem.

In grub, i tried to get into the fedora rescue, but it wont let me in, because it wants root password for maintenance. But when i try to put in my root passwod it says that the password is incorrect…

Any idea what i could do to fix this?

My system specs are:
CPU: 9950x3d
GPU: RX 9070 XT
Ram: 64gb

EDIT: when i say crash i dont mean complete system crash, just the app crashes, and my desktop turns black, also the task bar dissapears. I would take a screenshot of this, but when i try, guess what…crash.

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2

Are you experiencing the issue discussed in this thread maybe?

3

No, i had 3 kernels to choose from, and none of them worked. With no way to access any kind of error log, i was not able to resolve the issue, so i had to reinstall the OS. Now it works fine.

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4

Glad your system is working, but unless you have backups, reinstalling loses information that might help us understand what failed and prevent getting into a crash+install loop. In particular, we can’t rule out a hardware issue. You might want to install and boot memtest86+ as well as check the “health” of your mass storage devices with Gnome DIsks.

5

Same thing happened to me…

6

2 instances being reported means there could be many others affected.

Without more details of the hardware and journal entries we can’t do much to help. I gather that @mrdoomer was able to boot the LIve USB installer. If you decide to reinstall, please preserve the journal (/var/log/journal/<long random string>) from the old install. Then it should be possible to use journalctl --directory ... to look for the source of the problems.

It could be useful to post the output of inxi -Fzxx to compare with that from @mrdoomer’s system.

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Output of inxi -Fzxx

inxi -Fzxx
System:
  Kernel: 6.15.3-200.fc42.x86_64 arch: x86_64 bits: 64 compiler: gcc v: 15.1.1
  Desktop: KDE Plasma v: 6.4.1 tk: Qt v: N/A wm: kwin_wayland dm: SDDM
    Distro: Fedora Linux 42 (KDE Plasma Desktop Edition)
Machine:
  Type: Desktop Mobo: Micro-Star model: MAG X870E TOMAHAWK WIFI (MS-7E59)
    v: 2.0 serial: <superuser required> UEFI: American Megatrends LLC. v: 2.A60
    date: 04/22/2025
CPU:
  Info: 16-core model: AMD Ryzen 9 9950X3D bits: 64 type: MT MCP arch: N/A
    rev: 0 cache: L1: 1.2 MiB L2: 16 MiB L3: 128 MiB
  Speed (MHz): avg: 3644 min/max: 624/5756 boost: enabled cores: 1: 3644
    2: 3644 3: 3644 4: 3644 5: 3644 6: 3644 7: 3644 8: 3644 9: 3644 10: 3644
    11: 3644 12: 3644 13: 3644 14: 3644 15: 3644 16: 3644 17: 3644 18: 3644
    19: 3644 20: 3644 21: 3644 22: 3644 23: 3644 24: 3644 25: 3644 26: 3644
    27: 3644 28: 3644 29: 3644 30: 3644 31: 3644 32: 3644 bogomips: 275199
  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 48 [RX 9070/9070 XT]
    vendor: Sapphire driver: amdgpu v: kernel pcie: speed: 32 GT/s lanes: 16
    ports: active: DP-2,HDMI-A-2 empty: DP-1,HDMI-A-1,Writeback-1
    bus-ID: 03:00.0 chip-ID: 1002:7550
  Device-2: Advanced Micro Devices [AMD/ATI] Granite Ridge [Radeon Graphics]
    vendor: Micro-Star MSI driver: amdgpu v: kernel arch: RDNA-2 pcie:
    speed: 16 GT/s lanes: 16 ports: active: none empty: DP-3, DP-4, DP-5,
    HDMI-A-3, Writeback-2 bus-ID: 7b:00.0 chip-ID: 1002:13c0 temp: 49.0 C
  Display: wayland server: Xwayland v: 24.1.8 compositor: kwin_wayland
    driver: gpu: amdgpu d-rect: 4480x2520 display-ID: 0
  Monitor-1: DP-2 pos: top-right model: Acer XB271HU A res: 2560x1440
    hz: 144 dpi: 109 diag: 686mm (27")
  Monitor-2: HDMI-A-2 pos: bottom-l model: Asus VE228 res: 1920x1080 hz: 60
    dpi: 102 diag: 547mm (21.5")
  API: EGL v: 1.5 platforms: device: 0 drv: radeonsi device: 1 drv: radeonsi
    device: 2 drv: swrast gbm: drv: radeonsi surfaceless: drv: radeonsi wayland:
    drv: radeonsi x11: drv: radeonsi
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 25.0.7 glx-v: 1.4
    direct-render: yes renderer: AMD Radeon RX 9070 XT (radeonsi gfx1201 LLVM
    20.1.6 DRM 3.63 6.15.3-200.fc42.x86_64) device-ID: 1002:7550
    display-ID: :0.0
  API: Vulkan v: 1.4.313 surfaces: N/A device: 0 type: discrete-gpu
    driver: mesa radv device-ID: 1002:7550 device: 1 type: integrated-gpu
    driver: mesa radv device-ID: 1002:13c0 device: 2 type: cpu
    driver: mesa llvmpipe 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] driver: snd_hda_intel v: kernel
    pcie: speed: 32 GT/s lanes: 16 bus-ID: 03:00.1 chip-ID: 1002:ab40
  Device-2: Advanced Micro Devices [AMD/ATI] Radeon High Definition Audio
    [Rembrandt/Strix] vendor: Micro-Star MSI driver: snd_hda_intel v: kernel
    pcie: speed: 16 GT/s lanes: 16 bus-ID: 7b:00.1 chip-ID: 1002:1640
  Device-3: Advanced Micro Devices [AMD] Family 17h/19h/1ah HD Audio
    vendor: Micro-Star MSI driver: snd_hda_intel v: kernel pcie: speed: 16 GT/s
    lanes: 16 bus-ID: 7b:00.6 chip-ID: 1022:15e3
  Device-4: Micro Star USB Audio driver: hid-generic,snd-usb-audio,usbhid
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 bus-ID: 1-12:4
    chip-ID: 0db0:cd0e
  API: ALSA v: k6.15.3-200.fc42.x86_64 status: kernel-api
  Server-1: PipeWire v: 1.4.6 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 RTL8126 5GbE vendor: Micro-Star MSI driver: r8169
    v: kernel pcie: speed: 8 GT/s lanes: 1 port: e000 bus-ID: 08:00.0
    chip-ID: 10ec:8126
  IF: enp8s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IF-ID-1: proton0 state: unknown speed: N/A duplex: N/A mac: N/A
  IF-ID-2: pvpnksintrf1 state: unknown speed: N/A duplex: N/A mac: <filter>
Bluetooth:
  Device-1: Foxconn / Hon Hai driver: btusb v: 0.8 type: USB rev: 1.1
    speed: 12 Mb/s lanes: 1 bus-ID: 3-12:7 chip-ID: 0489:e10a
  Report: btmgmt ID: hci0 rfk-id: 0 state: up address: N/A
Drives:
  Local Storage: total: 4.09 TiB used: 1.12 TiB (27.4%)
  ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 970 EVO Plus 1TB
    size: 931.51 GiB speed: 31.6 Gb/s lanes: 4 serial: <filter> temp: 41.9 C
  ID-2: /dev/nvme1n1 vendor: Samsung model: SSD 970 EVO Plus 1TB
    size: 931.51 GiB speed: 31.6 Gb/s lanes: 4 serial: <filter> temp: 41.9 C
  ID-3: /dev/sda vendor: Crucial model: CT500MX500SSD1 size: 465.76 GiB
    speed: 6.0 Gb/s serial: <filter>
  ID-4: /dev/sdb vendor: Seagate model: ST2000DM008-2FR102 size: 1.82 TiB
    speed: 6.0 Gb/s serial: <filter>
Partition:
  ID-1: / size: 97.87 GiB used: 11.6 GiB (11.9%) fs: ext4 dev: /dev/sda5
  ID-2: /boot size: 973.4 MiB used: 358.5 MiB (36.8%) fs: ext4
    dev: /dev/sda3
  ID-3: /boot/efi size: 511 MiB used: 24.4 MiB (4.8%) fs: vfat
    dev: /dev/sda1
  ID-4: /home size: 356.49 GiB used: 31.39 GiB (8.8%) fs: ext4
    dev: /dev/sda4
Swap:
  ID-1: swap-1 type: zram size: 8 GiB used: 4 KiB (0.0%) priority: 100
    dev: /dev/zram0
Sensors:
  System Temperatures: cpu: 56.1 C mobo: 50.0 C
  Fan Speeds (rpm): N/A
  GPU: device: amdgpu temp: 49.0 C device: amdgpu temp: 41.0 C mem: 62.0 C
    fan: 0
Info:
  Memory: total: 60 GiB note: est. available: 60.37 GiB used: 9.73 GiB (16.1%)
  Processes: 804 Power: uptime: 7h 44m wakeups: 0 Init: systemd v: 257
    target: graphical (5) default: graphical
  Packages: pm: rpm pkgs: N/A note: see --rpm pm: flatpak pkgs: 13
    Compilers: N/A Shell: Bash v: 5.2.37 running-in: konsole inxi: 3.3.38
8

The lastest updates are extremely buggy. I am now getting a crash in Dolphin when trying to access my TRUENAS. The ony way I found to go around this problem is by adding this in the search bar : smb://{truenas_username}@{hostname_of_my_truenas}.local/

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9

@mrdoomer @luciferli What version of qt6-qtwayland do you have? (You can check by dnf list --installed qt6-qtwayland.)

If it’s 6.9.1-2, then it may be worth trying a downgrade to 6:9.1-1: KDE Plasma users - beware of new qt6-qtwayland version 6.9.1-2 (breaks lockscreen) - #2 by pg-tips

For me, the 6.9.1-2 upgrade only caused issues in the Plasma lockscreen, but a user on Bugzilla reported more extensive crashing that was resolved by downgrading to 6.9.1-1.

10

Well i have version qt6-qtwayland.x86_64 6.9.1-2.fc42 updates. It is not causing me any issues at the moment.

11

I’m also joining to the party.

Yesterday I installed Fedora 42 KDE on my machine. Yesterday, all seemed working fine. But today, when I wanted to do actually some constructive working on my PC, and put some load on it (opening up apps, workflows etc, something a normal user regularly does daily) - I experienced the same crashes the OP said. Every single little movement I made, ended up in crash, to a point that my whole desktop became unresponsive, and the only way to come out of it was to plasmashell --replace & . But even that not always worked, and I had to kill processes manually, to make it somehow responsive so I could just gracefully reboot my PC… Haruna? Crash. Dolphin? Crash. Firefox? Crash. Steam? Crash. Dr. Konqi (the crash handler)? Even that crashed… :thinking: What is going on? Is the F42 KDE edition (which is now an official flavor as we know - that’s why I picked it) this much of bugged, or what’s causing all this sudden crashes?

Please do note, that I don’t have any 3rd party Plasma addon/theming etc installed, all is there default, as Fedora shipped by the installer..

Is GNOME a safer option to go with? Or should I just stay put, and wait for any fix or Fedora 43 KDE will be any better?

I’m mentioning that I have an Nvidia GTX 1050 Ti GPU, but at this point I’m already 100% certain that it can’t be the root of crashes, cause I’m finding multiple reports recently (even here in thread) and on reddit about the same crashes for AMD guys, so that isolates the GPU part. We already know its not the kernel aswell (but Linus Torvalds might prove me wrong, I’ve seen many interesting mailinglists, this the most recent, but this one is top my fave). I think it’s something with KDE Plasma Wayland? But then again it might be a bug in the kernel, that breaks userspace…