xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 2960 x 1050, maximum 2960 x 1050
default connected 2960x1050+0+0 (0x161) normal (normal) 0mm x 0mm
	Identifier: 0x160
	Timestamp:  30791
	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: 
  2960x1050 (0x161)  155.4MHz *current
        h: width  2960 start    0 end    0 total 2960 skew    0 clock   52.5KHz
        v: height 1050 start    0 end    0 total 1050           clock   50.0Hz
  1680x1050 (0x162)   90.0MHz
        h: width  1680 start    0 end    0 total 1680 skew    0 clock   53.5KHz
        v: height 1050 start    0 end    0 total 1050           clock   51.0Hz
  1280x1024 (0x163)   68.2MHz
        h: width  1280 start    0 end    0 total 1280 skew    0 clock   53.2KHz
        v: height 1024 start    0 end    0 total 1024           clock   52.0Hz
  1024x768 (0x164)   41.7MHz
        h: width  1024 start    0 end    0 total 1024 skew    0 clock   40.7KHz
        v: height  768 start    0 end    0 total  768           clock   53.0Hz
  800x600 (0x165)   25.9MHz
        h: width   800 start    0 end    0 total  800 skew    0 clock   32.4KHz
        v: height  600 start    0 end    0 total  600           clock   54.0Hz
  640x480 (0x166)   16.9MHz
        h: width   640 start    0 end    0 total  640 skew    0 clock   26.4KHz
        v: height  480 start    0 end    0 total  480           clock   55.0Hz