Comment # 94 on bug 1188970 from Ricardo Lopez Caballero

(In reply to Stefan Dirsch from comment #92)
> The issue happens together with a USB Displaylink graphics adapter --> two
> grahpics cards ...
> 
> If your system has more than one Displayport sconnected to the internal
> Intel GPU and you only have the need for one session then why don't you just
> connect the second monitor to the second Dispayport of the internel Intel
> GPU?

Stefan, we report this problem using an USB Display as 2nd vidoe display, not
USB Displaylink adapter (that was mentioned by Thomas that he has only
adapter).