Lost OpenGL/3D acceleration

[raka]

HP Zbook G2
Windows 7 x64 professional
Virtualbox 4.3.20 (4.3.22)
Ubuntu 14.04

I updated Windows graphic drivers,Ubuntu, and Virtualbox and after that I'm no more able to start Unity on Ubuntu 14.04 because it crashes with a segmentation fault. I noticed, that when installing VB additions, the OpenGL is not listed (there is no "Building the OpenGL support module"), see attachment. I suppose that Unity fails to start due to the missing OpenGL support. 3D acceleration is enabled in settings.

Any idea?

[loukingjr]

First of all you shouldn't have VMWare Tools and the VirtualBox Guest Additions installed in the same guest.

You can't run VMWare and VirtualBox at the same time.

You also can't have Hyper-v enabled in the host.

[raka]

Thanks for your answer. My apology, VMWare was wrong, VirtualBox is correct.

Btw, It worked before. I have not installed anything new, just the updates.

[loukingjr]

no problem. I only have Linux and OSX hosts and the 4.3.22 GAs are working for me.

What I wonder about is the message in your first screenshot…
"Unity is not supported by your hardware." Which usually means VT-x is disabled or Hyper-v is enabled. Or something in your Windows host is using VT-x. Apparently BitDefender does, among other programs.

[raka]

Among the SW I updated was also BIOS. Do I disable the Hyper-V in BIOS? I have VT-X enabled.

[loukingjr]

If Hyper-V is enabled in the BIOS. As I said, I have no Windows hosts. I believe there is also a Windows Features control panel Hyper-V can be disabled in. If you attach the vbox.log (compressed) file for the Ubuntu guest (shutdown first), it will show if Hyper-v is enabled.

[Perryg]

The reason why unity is not supported is because the guest is running the software rendering ( gallium ) and not the accelerated ( chromium ) that VBox uses. I know the message is cryptic and confusing.

Make sure that you have enabled 3D acceleration in the guest settings and what ever you do, do not disable VT-x.

[raka]

Both 3D and VT-x are enabled. I noticed, that the OpenGL module is not build or at least not listed during installing VB additions for some reason. Maybe VB start to think that my hardware is not supported for this.

[raka]

I found the culprit. As I installed the Ubuntu so I can run it natively as well as in VBox, i have added PPA for intel drivers. However it contains newer mesa 3.0 drivers which work in native mode but caused the segfault when in VBox. I removed the PPA and downgraded all mesa packages using default source and now everything works again. Although the OpenGL hw acceleration does not work in the latest VBox.