(In reply to Michael B�tow from comment #4) > Hello, > > i missed the update from january - sorry for that > > i tried the options but cannot activate the i915.enable_rc6 option > > The modprobe - 99-local is now > # > # please add local extensions to this file > # > > options i915 semaphores=0 i915_enable_rc6=0 ^^^^^ Leave this out. It should be enable_rc6=0 in 99-local or i915.enable_rc6=0 on the kernel command line.