kernels newer than 4.16 has this "amd-gpu ac adapter" bug, which makes the computer useless if ac adapter is plugged in , 4.19 and newer doesn't boot or as i tested 4.19-rc4 boots but makes computer unusable I have filled a bug report in bugzilla here: https://bugzilla.kernel.org/show_bug.cgi?id=201077 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx