xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1280 x 1024, maximum 1280 x 1024 default connected 1280x1024+0+0 (0x138) normal (normal) 0mm x 0mm Identifier: 0x137 Timestamp: 21400 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: 1280x1024 (0x138) 0.0MHz *current h: width 1280 start 0 end 0 total 1280 skew 0 clock 0.0KHz v: height 1024 start 0 end 0 total 1024 clock 0.0Hz 1024x768 (0x139) 0.0MHz h: width 1024 start 0 end 0 total 1024 skew 0 clock 0.0KHz v: height 768 start 0 end 0 total 768 clock 0.0Hz 800x600 (0x13a) 0.0MHz h: width 800 start 0 end 0 total 800 skew 0 clock 0.0KHz v: height 600 start 0 end 0 total 600 clock 0.0Hz 640x480 (0x13b) 0.0MHz h: width 640 start 0 end 0 total 640 skew 0 clock 0.0KHz v: height 480 start 0 end 0 total 480 clock 0.0Hz