Comment 70 for bug 1255558

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Robert Ancell (robert-ancell) wrote :

You can run xwininfo after a boot by doing the following:
1. Switch to a text terminal (alt-ctrl-F1)
2. Log in
3. Run
$ export DISPLAY=:0
$ export XAUTHORITY=/var/run/lightdm/root/:0
$ xwininfo -tree -root