virtualbox.org

loukingjr wrote:I just ran glxgears...

Glxgears performs well, but the software I need to use goes from ~5 fps of software emulation to less than 1. On the host, i runs at >60fps. With any other software doing serious graphics the results are similar.

Thank you.

There's not much one can say. I have three kinds of hosts; OSX, Linux and Windows. I run multiple variations of guests on them. All guests perform better and smoother with 3D acceleration enabled than without. However, 3D acceleration is still software driven rather than hardware driven. If you need ultimate graphics performance you need hardware.

For me, it's like saying, I'm driving down a highway, all other drivers are going 80 but I'm passing them all even though my speedometer says I'm going 60. Results are what matters. If your software runs better in a guest with 3D acceleration disabled by all means, run it without it.

The problem is everything is slower. Animations are slow, tooltips are slow, UI is slow. It's not just the software I use.

Of course I'm running without, with decent results. But for sure there is some kind of bug that prevents 3D acceleration working on my hardware, even after a clean host installation.


Thank you.

hmmm, you never said everything was slower. you only mentioned "the software I use". can you attach the vbox.log (compressed) for the guest again? thanks.

Sorry for the misunderstanding.

Here are logs.

As a side note, I can exclude problems with guest (different OSes share the same problem). I don't know how much does it say, but Vmware Player 3D accelerations works like a charm, with a copy of the guest disk (of course, uninstalling VirtualBox Guest Additions and installing Vmware ones).


Thank you

You never mentioned you were also using VMWare Player. You can't have VMWare Tools installed in a guest you are trying to run in VirtualBox. Remove the VMWare tools if they are installed.
You have all 4 cores of the CPU assigned to the guest which doesn't leave many for the host. Reduce the CPU count to 2 for your guests.
You have nearly all the available RAM assigned to the guest. VirtualBox works best with contiguous memory. Reduce the memory for your guests to no more than 4GB.

See how guests run after that.

I just tested Vmware Player on a copy of the same virtual machine, not in the original: the latter never had Vmware tools installed.
The test with 2 CPUs and 4GB of RAM shows no improvement.

Thank you.

neclepsio wrote:I just tested Vmware Player on a copy of the same virtual machine, not in the original: the latter never had Vmware tools installed.
The test with 2 CPUs and 4GB of RAM shows no improvement.

Thank you.

Maybe you meant VirtualBox? At any rate perhaps someone else will have an idea.

loukingjr wrote:Maybe you meant VirtualBox? At any rate perhaps someone else will have an idea.

No. I use VirtualBox. Since I have this problem with 3D, I cloned the guest disks and used on the same host with VMware Player, were 3D acceleration works. As I said before, I don't know how much does this say: for sure, on my host machine with the current drivers, my guest machine CAN work with 3D acceleration. So the problem must somewhere inside VirtualBox or its setup.

Well, I suspect it must be local to your setup because I have no such problem on OSX, Windows 8.1 or Linux hosts. Not to mention no one else reports the problem. But as I said, maybe someone else with more knowledge will have an idea.

loukingjr wrote:Well, I suspect it must be local to your setup

I'm sure of that. If I only knew what!

loukingjr wrote:maybe someone else with more knowledge will have an idea.

I hope so.