VirtualBox 6.1.14 all Guests are slow

[diony]

Hello,

I know this topic is quite frequently asked, but I don't know what to do anymore. I have several Linux distros setted up in my VM Manager and all guests are running slow. I did try to get elementaryOS 5.1 working in the couple days without any results.

My Specs:
Intel i5 2500k (4cores/4threads)
NVidia 970GTX
16GB RAM
guests installed on HDD
Virtualbox 6.1.14
host system Win 10

hardware allocated to guests:
2cores
4-8GB RAM
VMSVGA 64-128MB - 3D acceleration activated
Guest Additions installed

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OpenGL vendor string:   VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 10.0.0, 256 bits)
OpenGL version string:  3.1 Mesa 20.0.8

Not software rendered:    no
Not blacklisted:          yes
GLX fbconfig:             yes
GLX texture from pixmap:  yes
GL npot or rect textures: yes
GL vertex program:        yes
GL fragment program:      yes
GL vertex buffer object:  yes
GL framebuffer object:    yes
GL version is 1.4+:       yes

Unity 3D supported:       no

I did some research myself to find a solution for the problem. During this I did couple things. First, installed the Guest Additions on my guest (Linux). I also changed the allocated hardware settings (4 cores, 8 GB RAM, VBoxVGA and so on). Nothing results in any improvement. I also found a topic in which the problem is, that the hosts driver dll is being rejected. I really don't know what to do and where to look anymore.

from VBox.log

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00:00:30.633288 VMMDev: Guest Additions information report: Version 6.1.14 r140239 '6.1.14'

from VBoxHardening.log

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3720.26e4: supR3HardenedMonitor_LdrLoadDll: rejecting 'C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_e44a509137af5639\nvldumdx.dll' (C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_e44a509137af5639\nvldumdx.dll): rcNt=0xc0000190

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3720.1b74: Terminating the normal way: rcExit=0
263c.508: supR3HardNtChildWaitFor[2]: Quitting: ExitCode=0x0 (rcNtWait=0x0, rcNt1=0x0, rcNt2=0x103, rcNt3=0x103, 228453 ms, the end);
3ad0.3410: supR3HardNtChildWaitFor[1]: Quitting: ExitCode=0x0 (rcNtWait=0x0, rcNt1=0x0, rcNt2=0x103, rcNt3=0x103, 228942 ms, the end);

Thank you for your help. logfiles are bigger than allowed uploadsize of 128KB. I can provide full logs if needed

EDIT 10/12/2020:
Just tested VMWare Player 16 with elementaryOS 5.1 and it works flawless. But I would prefer to use VirtualBox though

[scottgus1]

You have 3D acceleration enabled, which requires usable host video drivers, and yours fail hardening checks. Update your Nvidia drivers.

If you still see the hardening errors in your vbox.log, update Virtualbox, Extension Pack and Guest Additions to 6.1.16. If the errors still appear, update to 6.1.17 in the test builds.

If none of the above fixes the error, you will need to urn off 3D acceleration in the VM's Display settings.