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VirtualBox Issue

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This issue happens when I use VirtualBox 5.2.6 on a “Mac High Sierra” host.

This issue happens in the following conditions:

  1. Install VirtualBox 5.2.6 on MacOS High Sierra

  2. An “Ubuntu 16.04” guest instance is hosted on the VirtualBox

  3. The “Display -> Acceleration -> Enable 3D Acceleration” option of the Ubuntu guest instance is checked

  4. The “VirtualBox 5.2.6 Add-on” is installed on the Ubuntu guest instance

When all the conditions meet, starting the Ubuntu guest instance will get a black screen and no display at all.

To fix this issue, you need to uncheck the “Display -> Acceleration -> Enable 3D Acceleration” option and restart. Then the guest OS can start properly. This looks like a bug of “VirtualBox 5.2.6” since no such issue was found under “VirtualBox 5.2.4” when the other conditions were the same.

Added on 2018-05-16: Today I found on Ubuntu 18.04 if “video memory” is set to “64MB”, this issue happened. However if I set video memory to “16MB” or “32MB”, this issue didn’t happen. I’m not sure if the issue happened on Ubuntu 16.04 is also related to the video memory setting.

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