Do you have write access to USBfs? The permissions are handled in a
rather unusual way, they are set for all USB devices at once, not for
individual ones. See the troubleshooting section of the manual (Linux
hosts, USB not working) which unfortunately needs updating but may still
help you a bit.
Note that what you have to do depends very much on which Linux
distribution you are using.
Regards,
Michael
Danila F wrote:
> Hello! I try to attach usb flash memory and usb printer to guest WinXP
> on host Debian. The devices are seen by VBox but they are greyed out in
> the menu. When working as root all is OK.
>
>>From the command line it looks like that:
> ~$ VBoxManage controlvm vw1 usbattach /proc/bus/usb/001/003
> VirtualBox Command Line Management Interface Version 1.5.2
> (C) 2005-2007 innotek GmbH
> All rights reserved.
>
> [!] FAILED calling console->AttachUSBDevice (usbId) at line 4525!
> [!] Primary RC = 0x80070057
> [!] Full error info present: true , basic error info present: true
> [!] Result Code = 0x80070057
> [!] Text = USB device 'Canon Canon CAPT USB Printer' with UUID
> {3957e740- 3683-42b5-8485-a3cbd96f72a3} is being exclusively used by the
> host computer
> ....
>
> I tried to play with udev ownership-permissions for dev nodes, but it
> seems not to solve the problem. Though I am not quite sure...
>
> Best regards!
> Danila
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