<div class="gmail_quote">On Tue, Jul 7, 2009 at 1:51 PM, Patrick O'Callaghan <<a href="mailto:pocallaghan@gmail.com">pocallaghan@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="im">On Tue, 2009-07-07 at 10:59 -0500, Mikkel L. Ellertson wrote: > Michael Semcheski wrote: > > > > One thing to check with your USB device, if you can't get it to work > > on a VM - it can't be used by the host system at the same time. Make > > sure its unmounted by the host if you want to use it with the virtual > > machine. > > > If it is grayed out, it usually means that you do not have > permission to access the raw device. One way to fix it is to remount > the USB file system giving group r/w access to the vboxusers group. > For more finely grained access control you can add a udev rule that > sets the group to vboxusers and gives group r/w permission to > specific devices. This has been covered many times on the VirtualBox > mailing list. </div>Slightly OT: My USB devices -- Nokia phone, Bluetooth dongle, Palm TX, Ipod -- aren't recognized when I plug them in, despite having the correct incantations in the VBox settings panel (i.e. I added filters using "Get filter from device"). I also have the correct vboxusers group. I was hoping VBox 3 would fix this, but it hasn't. </blockquote><div> Try adding none /sys/bus/usb/drivers usbfs devgid=509,devmode=664 0 0 </div></div> to /etc/fstab, where devgid is a group allowed to access the usb devices (e.g., usbusers), which vboxusers is part of. -- Paulo Roma Cavalcanti LCG - UFRJ