Hi this is what pop up after kernel chose scren 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180313/dsutils-727) 12∶01∶28 kernel: ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180313/dsutils-612) 12∶01∶28 kernel: ACPI Error: Result stack is empty! State=000000002f367e84 (20180313/dswstate-65). what hell is this? I'm using fedora 28 with kernel 4.17.11-200.fc28.x86_64 on Dell Inspiron 5558 i7 16GB memory build in 2015