id summary reporter owner description type status component version resolution keywords cc guest host 10506 usb device cannot inside linux host when two virtual machine is runned unicorp99 "linux host: virtualbox 4.1.14 + Ext pack - ubuntu 12.04 LTS 32 bit two virtual windows xp on host When insert usb device in linux host, device automatically insert in first virtual machine. When manually disconnect device from first virtual machine, device automatically connect in second virtual machine. When manually disconnect device from second virtual machine, device automatically connect in first virtual machine (but it is wrong!, device will be - five seconds old - manually disconnected from it!) Cannot connect device in host, until shutdown one of two virtual machine. usb device - apple inc iphone [0001] " defect closed USB VirtualBox 4.1.14 worksforme usb two machines Windows Linux