id	summary	reporter	owner	description	type	status	component	version	resolution	keywords	cc	guest	host
6234	regression between 3.1.2 and 3.1.4: USB devices not automatically captured by guest OS	P. Meiser		"In 3.1.4, USB devices are not automatically captured by the guest OS. Removing the filter and re-adding it doesn't solve the issue.
This worked fine in version 3.1.2.

It's also recognized by others, see http://article.gmane.org/gmane.comp.emulators.virtualbox.general/8252

"	defect	closed	USB	VirtualBox 3.1.4	duplicate			Windows	Linux