VirtualBox can't attach USB devices

[Graham Menhennitt]

Sorry, I should have mentioned that this is not a permissions problem on 
the USB nodes in /dev. I have followed the handbook's instructions on 
setting the group and permissions.

Graham


On 18/09/2016 4:44 PM, Graham Menhennitt wrote:
> Hi all,
>
> I've been using my Epson scanner in Windows XP under VirtualBox for many
> years. I recently updated my source and ports to the latest and now I
> can't access my scanner. In fact I can't seem to attach any USB devices.
> I've tried creating a filter for it under USB Settings, and I've tried
> manually connecting it from the Devices->USB menu by clicking its
> checkbox. In both cases, it doesn't connect. If I try a second time, I
> get a message:
>
> Failed to attach the USB device EPSON Scanner to the virtual machine WinXP.
>
> USB device 'EPSON EPSON Scanner' with UUID
> {aa1eba25-05eb-4aed-8e9f-803807dd3bc4} is busy with a previous request.
> Please try again later.
>
> Result Code: NS_ERROR_INVALID_ARG (0x80070057)
> Component: HostUSBDeviceWrap
> Interface: IHostUSBDevice {c19073dd-cc7b-431b-98b2-951fda8eab89}
> Callee: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
>
> I've waited for an hour in case it was just taking a long time to
> connect - no joy.
>
> This is on FreeBSD 11-Stable (as of today) AMD64, and ports updated as
> of today. And I build the kmod with the current kernel source in place.
>
> Does anybody have any clues, please?
>
> Thanks,
>      Graham
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