https://bugs.freedesktop.org/show_bug.cgi?id=103370 Mike Lothian changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mike@fireburn.co.uk --- Comment #8 from Mike Lothian --- Hmm, I notice these errors: [ 2.050887] [drm:radeon_acpi_init [radeon]] Call to ATCS verify_interface failed: -5 [ 2.050994] [drm:radeon_acpi_init [radeon]] Call to ATIF verify_interface failed: -5 which I think are ACPI calls, it might be worth checking your BIOS/EFI is up to date and if that doesn't fix things maybe play around with the acpi_osi= options -- You are receiving this mail because: You are the assignee for the bug.