I forgotten to mention
before xf86-video-intel 2.99.907-1 calling xrandr wihout params when the computer is docked freezes OS
now xrandr wihout params doesn't freezes OS
I forgotten to mention
before xf86-video-intel 2.99.907-1 calling xrandr wihout params when the computer is docked freezes OS
now xrandr wihout params doesn't freezes OS