xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1600 x 900, current 1600 x 900, maximum 1600 x 900
default connected 1600x900+0+0 (0x145) normal (normal) 0mm x 0mm
	Identifier: 0x144
	Timestamp:  40671
	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: 
  1600x900 (0x145)    0.0MHz *current
        h: width  1600 start    0 end    0 total 1600 skew    0 clock    0.0KHz
        v: height  900 start    0 end    0 total  900           clock    0.0Hz