Troubleshooting graphics issues (AMD)

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I have a new Thinkpad Z13, which has a Ryzen CPU and Rembrandt graphics, and occasionally the screen will freeze, and then, after a few seconds, go black, necessitating a reboot. There aren’t any errors in journalctl/GNOME logs.

Where can I find the relevant logs?

It might be that system is unable to save any logs because of the crash.
Check BIOS updates and paste here sudo inxi -SMGaz output.

Thanks for the response. I hadn’t considered an issue with saving the logs, though oddly the system itself seems to keep working somewhat - for example, audio keeps playing, I can play/pause it using keyboard shortcuts.

System:
  Kernel: 6.0.8-300.fc37.x86_64 arch: x86_64 bits: 64 compiler: gcc
    v: 2.38-24.fc37
    parameters: BOOT_IMAGE=(hd0,gpt5)/vmlinuz-6.0.8-300.fc37.x86_64
    root=UUID=008ea4f8-7911-4ff2-b124-c011ae79ffb3 ro rootflags=subvol=root
    rd.luks.uuid=luks-d006266d-a3df-4773-b672-fb41e7282956 rhgb quiet
  Console: pty pts/0 wm: gnome-shell DM: GDM v: 43.0 Distro: Fedora release
    37 (Thirty Seven)
Machine:
  Type: Laptop System: LENOVO product: 21D2CTO1WW v: ThinkPad Z13 Gen 1
    serial: <filter> Chassis: type: 10 serial: <filter>
  Mobo: LENOVO model: 21D2CTO1WW serial: <filter> UEFI: LENOVO v: N3GET44W
    (1.24 ) date: 10/18/2022
Graphics:
  Device-1: AMD Rembrandt [Radeon 680M] vendor: Lenovo driver: amdgpu
    v: kernel arch: RDNA-2 code: Navi-2x process: TSMC n7 (7nm) built: 2020-22
    pcie: gen: 4 speed: 16 GT/s lanes: 16 ports: active: eDP-1 empty: DP-1,
    DP-2, DP-3, DP-4, DP-5, DP-6, DP-7 bus-ID: 63:00.0 chip-ID: 1002:1681
    class-ID: 0300 temp: 42.0 C
  Device-2: Luxvisions Innotech Integrated RGB Camera type: USB
    driver: uvcvideo bus-ID: 5-1:2 chip-ID: 30c9:0052 class-ID: fe01
    serial: <filter>
  Display: server: X.Org v: 22.1.5 with: Xwayland v: 22.1.5
    compositor: gnome-shell driver: dri: radeonsi gpu: amdgpu note:  X driver
    n/a display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1536x960 s-dpi: 96 s-size: 406x254mm (15.98x10.00")
    s-diag: 479mm (18.85")
  Monitor-1: eDP-1 mapped: XWAYLAND0 model: AU Optronics 0x1e9b built: 2021
    res: 1536x960 hz: 60 dpi: 135 gamma: 1.2 size: 290x180mm (11.42x7.09")
    diag: 337mm (13.3") ratio: 16:10 modes: max: 1920x1200 min: 640x480
  OpenGL: renderer: REMBRANDT (rembrandt LLVM 15.0.0 DRM 3.48
    6.0.8-300.fc37.x86_64) v: 4.6 Mesa 22.2.3 direct render: Yes
`

I thought that the computer was unresponsive. Can you switch to other TTY with e.g. Ctrl+Alt+F3, login and check dmesg output?

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