xrandr: Failed to get size of gamma for output default Screen 0: minimum 0 x 0, current 3840 x 1200, maximum 32768 x 32768 default connected primary 3840x1200+0+0 (0xf1) normal (normal) 0mm x 0mm Identifier: 0x3f Timestamp: 87062 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: 3840x1200 (0xf1) 0.000MHz *current h: width 3840 start 0 end 0 total 3840 skew 0 clock 0.00KHz v: height 1200 start 0 end 0 total 1200 clock 0.00Hz