xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1920 x 1080, maximum 1920 x 1080 default connected primary 1920x1080+0+0 (0x3d5) normal (normal) 0mm x 0mm Identifier: 0x3d4 Timestamp: 5649 Subpixel: horizontal rgb 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: 1920x1080 (0x3d5) 0.000MHz *current h: width 1920 start 0 end 0 total 1920 skew 0 clock 0.00KHz v: height 1080 start 0 end 0 total 1080 clock 0.00Hz 1280x1024 (0x3d6) 0.000MHz h: width 1280 start 0 end 0 total 1280 skew 0 clock 0.00KHz v: height 1024 start 0 end 0 total 1024 clock 0.00Hz 1280x960 (0x3d7) 0.000MHz h: width 1280 start 0 end 0 total 1280 skew 0 clock 0.00KHz v: height 960 start 0 end 0 total 960 clock 0.00Hz 1024x768 (0x3d8) 0.000MHz 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 (0x3d9) 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 (0x3da) 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