https://bugzilla.kernel.org/show_bug.cgi?id=216347 --- Comment #3 from Mario Limonciello (AMD) (mario.limonciello@xxxxxxx) --- If PPD isn't the cause maybe it's the firmware causing it? If you can modify the kernel driver, can you please add some debugging statement here to see if a related event is coming through: https://github.com/torvalds/linux/blob/master/drivers/platform/x86/thinkpad_acpi.c#L11023 -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.