xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768
default connected primary 1024x768+0+0 (0x2ae) normal (normal) 0mm x 0mm
	Identifier: 0x2ad
	Timestamp:  262874
	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 
	non-desktop: 0 
		supported: 0, 1
  1024x768 (0x2ae)  0.000MHz *current
        h: width  1024 start    0 end    0 total 1024 skew    0 clock   0.00KHz
        v: height  768 start    0 end    0 total  768           clock   0.00Hz
  800x600 (0x2af)  0.000MHz
        h: width   800 start    0 end    0 total  800 skew    0 clock   0.00KHz
        v: height  600 start    0 end    0 total  600           clock   0.00Hz
  640x480 (0x2b0)  0.000MHz
        h: width   640 start    0 end    0 total  640 skew    0 clock   0.00KHz
        v: height  480 start    0 end    0 total  480           clock   0.00Hz