xrandr: Failed to get size of gamma for output default Screen 0: minimum 1680 x 1050, current 1680 x 1050, maximum 1680 x 1050 default connected 1680x1050+0+0 (0x56) normal (normal) 0mm x 0mm Identifier: 0x55 Timestamp: 48499 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: non-desktop: 0 supported: 0, 1 1680x1050 (0x56) 0.000MHz *current h: width 1680 start 0 end 0 total 1680 skew 0 clock 0.00KHz v: height 1050 start 0 end 0 total 1050 clock 0.00Hz