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X Windows & display oddities

X displays a black screen

Caused by changing source input on your monitor, or by toggle picture in picture, or unplug and replug of input cable.

  • Toggle your ttys: press control-alt-F2 then control-alt-F9

Freshly installed X does not use AMDGPU or other driver but probe finds it

This is because graphics/drm-kmod was not installed.

  • Install it yourself, this automated install omission is documented in the handbook
    • make -C /usr/ports/graphics/drm-kmod install clean

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