xrandr: Failed to get size of gamma for output default Screen 0: minimum 3440 x 1440, current 3440 x 1440, maximum 3440 x 1440 default connected 3440x1440+0+0 (0x51c) normal (normal) 0mm x 0mm Identifier: 0x51b Timestamp: 3807 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 3440x1440 (0x51c) 440.870MHz *current h: width 3440 start 0 end 0 total 3440 skew 0 clock 128.16KHz v: height 1440 start 0 end 0 total 1440 clock 89.00Hz