User-Agent:       Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36
Build Identifier: 

For several weeks latest rolling release of tumbleweed exhibits a problem when:

* open virt-manager or geany in Plasma desktop

* does not occur if the gtk2 app is opened in a Gnome desktop

Side detauls:

* virt-manager is a python py-gtk2 application.

* Some other gtk applications affected as well, screenshot shows geany and
virt-manager affected.


Reproducible: Always

Steps to Reproduce:
1. install fresh tumbleweed, log into plasma
2. install geany or virt-manager (virtualization tools) with zypper
3. launch them.
Actual Results:  
1. pull down menu items are crammed in together.
2. some widgets like checkbox may not actually render.
3. general corruption.

Expected Results:  
1. pull down menu items are NOT crammed in together.
2. widgets like checkbox actually render.
3. no general corruption.

image/screenshot:

http://i.imgur.com/svKQFnr.png