On Thu, 11 Jul 2019 05:56:40 -0700
Mike Bird <mgb-trinity@...> wrote:

> On Thu July 11 2019 04:35:31 Sl�vek Banko wrote:
> > do I understand correctly that "flashes" in the sense of an XServer
> > crash?  
> 
> I don't think XServer is crashing as the .xsession-errors shows errors but
> not a restart and Xorg.0.log shows no errors or restart.
> 
> My guess is that TDE is encountering serious errors that disrupt TDE
> operation but that do not cause X to crash.
> 
> > Are there any information listed in the XOrg log?  
> 
> Lots of X startup info but no errors in Xorg.0.log.  However
> .xsession-errors mostly consists of high-speed repeats of this approx
> ten times per second.  Sometimes there are a lot more stale lockfile
> messages and sometimes a different resource id appears but it's mostly
> like this.
> 
> 
> There is none of the above when the second display is disabled and TDE
> is working fine.
> 
> > If you try "xrandr -q" from Konsole, will it print both monitors?  
> 
> 
> Note that there is no sign of the second display even though TDE is
> throwing up a blue background and occasional screen unlock dialogs
> on the second display.  The second display should be in screen :1
> and not used by TDE in :0.
> 
> The "screen is locked" dialogs appear randomly on one screen or the
> other every half minute or so - much earlier than they should appear.
> The flashing stops while the screen unlock dialog is present so I can
> type my password and return to the flashing.
> 

Does your two monitor setup as a separated X screens ?
If so your are probably running into this
http://bugs.pearsoncomputing.net/show_bug.cgi?id=2775


-- 
  Nick Koretsky (nick.koretsky@...)