xrandr: Failed to get size of gamma for output default Screen 0: minimum 2496 x 1664, current 2496 x 1664, maximum 2496 x 1664 default connected primary 2496x1664+0+0 (0x526) normal (normal) 0mm x 0mm Identifier: 0x525 Timestamp: 19257 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 2496x1664 (0x526) 386.261MHz *current h: width 2496 start 0 end 0 total 2496 skew 0 clock 154.75KHz v: height 1664 start 0 end 0 total 1664 clock 93.00Hz