VirtualBox problems
Paulo Cavalcanti
promac at gmail.com
Tue Jul 7 17:11:33 UTC 2009
On Tue, Jul 7, 2009 at 1:51 PM, Patrick O'Callaghan
<pocallaghan at gmail.com>wrote:
> 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.
>
> 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.
>
>
Try adding
none /sys/bus/usb/drivers usbfs devgid=509,devmode=664 0 0
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
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