On Wednesday 10 of July 2019 08:24:43 Mike Bird wrote:
> The problem seems to be related to having multiple displays.
>
> In Stretch+TDE-r14.0.5 I had two displays on one NVidia adaptor,
> not combined, with TDE only using the primary display.
>
> After migrating to Buster+TDE-14.0.7(PSB) the display crashed
> multiple times per second after logging in, giving the appearance
> of flashing like crazy.  However TDM and Failsafe mode worked fine.
>
> After running RandR in global mode from Systray, TDE once again
> works without crashing but RandR cannot see the second display,
> neither initially nor after rescanning displays.
>
> In r14.0.5 RandR could see the second display and asked me whether
> or not I wanted to include it in TDE.
>
> However the second display works fine in X because I can start
> Factorio from TDE and direct it to run on the second display.
>
> I don't think there's enough specifics here to file a bug yet.
> Let me know if there's more I can do to help.
>
> --Mike
>

Hi Mike,

do I understand correctly that "flashes" in the sense of an XServer crash? 
Are there any information listed in the XOrg log? If you try "xrandr -q" 
from Konsole, will it print both monitors?

-- 
Slávek