On Toshiba Z830, GTF0 control method is not defined but referenced by other control method, this results in a couple of ACPI error messages during suspend/resume. $ grep GTF0 *.dsl ssdt1.dsl: External (GTF0, IntObj) ssdt1.dsl: Store (GBU0, GTF0) /* External reference */ ssdt1.dsl: Return (GTF0) /* External reference */ And the error messages are [ 35.737369] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._SDD.GTF0], AE_NOT_FOUND (20190215/psargs-330) [ 35.745165] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._SDD due to previous error (AE_NOT_FOUND) (20190215/psparse-531) [ 35.749379] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.GTF0], AE_NOT_FOUND (20190215/psargs-330) [ 35.752021] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._GTF due to previous error (AE_NOT_FOUND) (20190215/psparse-531) and [ 35.894361] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._SDD.GTF0], AE_NOT_FOUND (20190215/psargs-330) [ 35.898013] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._SDD due to previous error (AE_NOT_FOUND) (20190215/psparse-531) [ 35.900026] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.GTF0], AE_NOT_FOUND (20190215/psargs-330) [ 35.903668] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._GTF due to previous error (AE_NOT_FOUND) (20190215/psparse-531)
Created attachment 282915 [details] issue.def
Created attachment 283273 [details] issue.def
Bug closed as this is a BIOS bug, which we can not fix.