```
Sep 11 12:29:38 sudoku kernel: ACPI Error: [SPRT] Namespace lookup failure, AE_ALREADY_EXISTS (20160831/dswload2-330)
Sep 11 12:29:38 sudoku kernel: ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog (20160831/psobject-227)
Sep 11 12:29:38 sudoku kernel: ACPI Error: Method parse/execution failed [\_GPE.XTBT] (Node ffff9091aecdd280), AE_ALREADY_EXISTS (20160831/psparse-543)
Sep 11 12:29:38 sudoku kernel: ACPI Error: Method parse/execution failed [\_GPE.XTBT] (Node ffff9091aecdd280), AE_ALREADY_EXISTS (20160831/psparse-543)
Sep 11 12:29:38 sudoku kernel: ACPI Error: Method parse/execution failed [\_GPE._E42] (Node ffff9091aecdd2a8), AE_ALREADY_EXISTS (20160831/psparse-543)
Sep 11 12:29:38 sudoku kernel: ACPI Exception: AE_ALREADY_EXISTS, while evaluating GPE method [_E42] (20160831/evgpe-646)
```