My PC has an AMD FX 6300 CPU
I'm using virtualbox 4.2.16 (newest versions I've tested have usb issues)
VirtualBox config, 4gb ram, chipset ICH9 (have tried PIIX3 with similar results), EFI disabled, using 6 cpus, extended features and hardware virtualizations enabled, for testing I have network and Audio disabled, I have usb and usb2.0 enabled because I will need usb.
Mavericks iso from here: https://www.hackintosh.zone/file/75-niresh-mavericks-for-intel-and-amd/
I have tried many flags but I attach images for the 2 that I think should be useful, first
amdfx USBBusFix=Yes -x -v
amdfx USBBusFix=Yes -x -v GraphicsEnabler=No cpus=6
Any suggestions on how to solve this are appreciated.