https://bugzilla.kernel.org/show_bug.cgi?id=210263 Jonas Platte (jplatte+linux@xxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jplatte+linux@xxxxxxxxx --- Comment #4 from Jonas Platte (jplatte+linux@xxxxxxxxx) --- Workaround works for me too, on a Lenovo Ideapad 530S-14ARR with an AMD Ryzen 2500U. I also set acpi_backlight=vendor to fix the same error message for backlight:acpi_video1. (No idea why it tries to restore backlight brightness twice) -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.