UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10682.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3431.0 Safari/537.36
Platform: 10682.0.0 (Official Build) dev-channel eve

Steps to reproduce the problem:
1. Use usb-c to usb-a dongle to hook up keyboard/mouse
2. Try to launch existing app or play store install/reinstall
3. 

What is the expected behavior?
Apps launches or Play Store installs

What went wrong?
Apps never complete launch, Play Store initial install steps will start but never completes.  Remove usb-c dongle with keyboard/mouse and these steps complete.

syslog shows many entries for:

Received crash notification for surfaceflinger

WebStore page: 

Did this work before? Yes 68.0.3416.0 

Chrome version: 68.0.3431.0  Channel: dev
OS Version: 10682.0.0
Flash Version: 30.0.0.85