xrandr: Failed to get size of gamma for output default
Screen 0: minimum 3520 x 1080, current 3520 x 1080, maximum 3520 x 1080
default connected 3520x1080+0+0 (0x164) normal (normal) 0mm x 0mm
	Identifier: 0x163
	Timestamp:  18943
	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: 
  3520x1080 (0x164)  190.1MHz *current
        h: width  3520 start    0 end    0 total 3520 skew    0 clock   54.0KHz
        v: height 1080 start    0 end    0 total 1080           clock   50.0Hz