Joep L. Blom wrote:
> Mikkel L. Ellertson wrote:
>> Joep L. Blom wrote:
>>> Mikkel,
>>> Sorry for asking the obvious but I haven't found it in the manual. The
>>> paragraph on USB does only tell you to be subscribed to the vboxusers
>>> group as I did. I have no idea which permissions have to be set,
>>> especially as vbox is started from the user account (and not from root).
>>> I have permissions for networkdevices, disks so I can use my
>>> peripherals, however, USB devices not. If you can give me a hint where I
>>> have to look I would be grateful.
>>> Joep
>>>
>> Section 11.5.7 of the manual. It is also in the FAQs.
>>
>> One other thing - I hope what you mean by subscribed to the
>> vboxusers group means you added your Linux user name to the Linux
>> group vboxusers.
>>
> Mikkel,
> Thanks for your reply. Of course that's what it is and I had looked,
> before I wrote my questions on that section - therefore adding the local
> user (joep) to the vboxusers group. The rest of that section, as stated
> explicitly is for older systems, I assume either older versions of
> virtualbox or older OS-versions, both is not the case (new version of
> Ubuntu, virtualbox version 3.5.04 r50677). herefore there is apparently
> something other that's refusing the USB to the guest.
> Other suggestion?

I had a similar permission issue that I traced to the pcscd daemon.  This
process handles USB SmartCard readers and made some assumptions about
permissions in its startup script in /etc/init.d/pcscd.  In this case
I commented out one line and added a second:

# mount -n -t usbfs usbfs /proc/bus/usb >/dev/null 2>&1
  mount -n -t usbfs -o busgid=1000,busmode=0775,devgid=1000,devmode=0664 usbfs 
/proc/bus/usb >/dev/null 2>&1

I think the lesson here is that other packages that use the USB system "may"
foul up VirtualBox.

Regards,
Lew Wolfgang

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