Yes, problems in the amdgpu kernel module are a common cause of such freezes.
We can only suggest you try a newer kernel: Latest stable: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.18.10/amd64/ Latest development: https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/2022-07-08/amd64/ ** Tags added: amdgpu ** Summary changed: - Blanked screen doesn't wake up after put into powersave + [amdgpu] Blanked screen doesn't wake up after put into powersave ** 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/1980933 Title: [amdgpu] Blanked screen doesn't wake up after put into powersave To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1980933/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
