xrandr: Failed to get size of gamma for output default
Screen 0: minimum 3120 x 1050, current 3120 x 1050, maximum 3120 x 1050
default connected 3120x1050+0+0 (0x161) normal (normal) 0mm x 0mm
	Identifier: 0x160
	Timestamp:  14573
	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: 
  3120x1050 (0x161)  163.8MHz *current
        h: width  3120 start    0 end    0 total 3120 skew    0 clock   52.5KHz
        v: height 1050 start    0 end    0 total 1050           clock   50.0Hz