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 (0x26f) normal (normal) 0mm x 0mm
	Identifier: 0x26e
	Timestamp:  39656
	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: 
  1024x768 (0x26f) 47.972MHz *current
        h: width  1024 start    0 end    0 total 1024 skew    0 clock  46.85KHz
        v: height  768 start    0 end    0 total  768           clock  61.00Hz
  800x600 (0x270) 29.280MHz
        h: width   800 start    0 end    0 total  800 skew    0 clock  36.60KHz
        v: height  600 start    0 end    0 total  600           clock  61.00Hz
  640x480 (0x271) 18.432MHz
        h: width   640 start    0 end    0 total  640 skew    0 clock  28.80KHz
        v: height  480 start    0 end    0 total  480           clock  60.00Hz