xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected primary 800x600+0+0 (0x2aa) normal (normal) 0mm x 0mm
	Identifier: 0x2a9
	Timestamp:  55494
	Subpixel:   unknown
	Clones:    
	CRTC:       0
	CRTCs:      0
	Transform:  1.000000 0.000000 0.000000
	            0.000000 1.000000 0.000000
	            0.000000 0.000000 1.000000
	           filter: 
	_MUTTER_PRESENTATION_OUTPUT: 0 
  800x600 (0x2aa) 36.000MHz *current
        h: width   800 start    0 end    0 total  800 skew    0 clock  45.00KHz
        v: height  600 start    0 end    0 total  600           clock  75.00Hz