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Virtual box without Vt-x or AMD-v

Posted: 15. Jun 2020, 15:13
by Vektor
Hello, my computer processor (AMD A6-9225) doesn't support Vt-x or AMD-v (I can't enable it in win feautures or bios), so virtualisation is slow. I have SSD, enabled virtualization (in bios and virtualbox), memory set to maximum (4GB), processors set tu maximum (only 2x)... I think, that some images are slower than other (android 4.4 is slower than android 9.0 or linux lite 5.0 with same settings). What images are best? Are some other effective methods to boost it?

Re: Virtual box without Vt-x or AMD-v

Posted: 15. Jun 2020, 17:07
by mpack
No AMD processor supports Intel's VT-x, but the listings I find say that the AMD A6-9225 does support virtualization, which I assume means it supports AMD-v.

OTOH, hardware "accelerated" virtualization is more about stability than performance (in general - because most code runs natively on the host CPU), so I doubt that any marked performance problem you have has anything to do with that. Usually performance problems are caused by using an inappropriate guest OS (e.g. Android x86 is obscure and so not supported with accelerated graphics drivers), or by ignoring the capabilities of the host when assigning a share of those capabilities to the guest (e.g. assigning 4GB RAM on a 4GB host, or 4 cores on a 4 core host etc).

If you want me to comment more specifically then pick a VM and provide a log file from it. With the VM fully shut down, right click it in the GUI. Select "Show Log" and save "VBox.log" (no other file) to a zip file. Attach the zip here.

Re: Virtual box without Vt-x or AMD-v

Posted: 17. Jun 2020, 09:03
by BillG
I agree that it should support AMD-V. What motherboard is in your PC? What BIOS is it using?