Comment # 2 on bug 1185513 from robert spitzenpfeil

I'm getting very similar errors on my laptop since the update to 5.12

[    1.167887] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.167918] ACPI Error: Aborting method \_PR.CPU1._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.167989] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168012] ACPI Error: Aborting method \_PR.CPU2._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.168072] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168094] ACPI Error: Aborting method \_PR.CPU3._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.168139] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168161] ACPI Error: Aborting method \_PR.CPU4._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.168205] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168227] ACPI Error: Aborting method \_PR.CPU5._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.168269] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168291] ACPI Error: Aborting method \_PR.CPU6._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[    1.168335] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[    1.168357] ACPI Error: Aborting method \_PR.CPU7._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)