Problem with 2 Displays and Ubuntu 18.04

[Mark Phillips]

I have a System76 gazelle laptop driving two displays - the laptop display
1920x1080 is display 2, and a Dell 34" widescreen 3444x1440 is display 1
through an HDMI cable.

So far all apps work as expected - start the app in display 1 or 2, and the
app appears in the appropriate display at the correct resolution.

Except evince, the standard gnome document viewer. This is its behavior:
* Click on a document in display 1, and the document opens in display 2,
but at the higher resolution so I can't grab the title bar and move it to
display 1.

* Start evince from the cli in display 2 and the app starts in display 2.
However, select a document to open, and it appears in display 1, again too
large to drag to display 2.

* Open evince or click on a document in display 1, and evince operates
properly with all actions completing in display 1 at the correct resolution.

I submitted a bug report for evince, but got some push back that this is
probably an Ubuntu or System76 issue, and I should file bug reports there.
Then silence.

Any suggestions on how to fix the problem with evince, or should I just use
another document viewer?

Thanks!

Mark
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