OK so multiple problems there, which may have the same root cause: * Your shell/compositor seems to be causing stalling.
* vulkaninfo says your GPU is "not using the AMDGPU kernel driver: Invalid argument (VK_ERROR_INCOMPATIBLE_DRIVER)" Sounds fundamentally like the kernel graphics driver isn't working. Please try the supported Ubuntu kernel instead. Also what desktop environment is this? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1975566 Title: radeon / amdgpu bad performance or panics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1975566/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs