It does sound like a kernel hiccup. Certainly the log messages suggest it is stuck long enough to skip frames:
Apr 30 21:40:48.349192 arturas-B650M kernel: workqueue: dm_handle_vmin_vmax_update [amdgpu] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND Apr 30 21:40:48.375194 arturas-B650M kernel: workqueue: dm_handle_vmin_vmax_update [amdgpu] hogged CPU for >10000us 5 times, consider switching to WQ_UNBOUND Apr 30 21:40:48.455210 arturas-B650M kernel: workqueue: dm_handle_vmin_vmax_update [amdgpu] hogged CPU for >10000us 7 times, consider switching to WQ_UNBOUND Apr 30 21:40:48.669229 arturas-B650M kernel: workqueue: dm_handle_vmin_vmax_update [amdgpu] hogged CPU for >10000us 11 times, consider switching to WQ_UNBOUND ** Tags added: amdgpu ** Package changed: mutter (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2150776 Title: Ubuntu 26.04 GNOME Wayland: random short display/presentation freezes on AMD RX 7900 XT while apps continue running To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2150776/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
