Ubuntu
xorg-server package

  1. Bug #1878421
  2. Comment #6

Comment 6 for bug 1878421

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: I can see a cursor but no windows on the external monitor

This also looks relevant:

[ 13.791] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support