Linux host + Windows 10 + client tools results in minor display corruption

[mtrantalainen]

Steps to reproduce:

1. Start with host Ubuntu Linux 16.04 LTS 64 bit (I'm able to reproduce with intel i7-3770K + integrated graphics (i915 driver)).
2. Install Windows 10 as client (​https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/ - I'm reproducing with 32 bit Windows 10).
3. Launch Internet Explorer 11
4. Visit ​https://jsfiddle.net/rwfvo4L7/

Expected results:

Rounded corners for the grey rounded boxes should look normal.

Actual results:

Rounded left side corners have some kind of horizontal comb-like effect. Similar problems may appear on some diagonal lines in SVG graphics etc.

Additional information:

May be related: https://www.virtualbox.org/ticket/14637

[mtrantalainen]

Screenshot of the problem

[mtrantalainen]

It turns that the issue can be worked around by selecting settings for the virtual machine and unchecking {Display - Screen - Enable 3D acceleration}. 2D acceleration seems to work.