Workaround xrandr bug: "cannot find crtc for output" #16
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error "cannot find crtc for output". See https://bugs.freedesktop.org/show_bug.cgi?id=22539 and https://bugs.freedesktop.org/show_bug.cgi?id=29929
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Apr 30, 2015
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Disable all displays before attempting to call xrandr. This one-liner is probably very inefficient and exposes my inexperience with bash scripting. Feel free to modify the idea.
This is a workaround for an xrandr issue when two displays are connected and attempting to configure a different display, even when "off" is passed on the connected displays. See:
https://bugs.freedesktop.org/show_bug.cgi?id=22539 and
https://bugs.freedesktop.org/show_bug.cgi?id=29929
For example,
The workaround for this second command is instead to do:
xrandr --output DP-1 --off --output DP-2 --off && xrandr --output LVDS-1 --auto