Attaching any USB device to any VM causes virtualbox to crash.

[Robert Backhaus]

We have another report of this bug at forums.freebsd.org:
https://forums.freebsd.org/viewtopic.php?f=5&t=48134&p=269503#p269444

My uname: $uname -a
FreeBSD boffin 9.3-STABLE FreeBSD 9.3-STABLE #1 r271733: Thu Sep 25
20:46:45 AEST 2014     robbak at boffin:/usr/obj/home/src/sys/GENERIC
amd64

On 26 September 2014 16:16, Robert Backhaus <robbak at robbak.com> wrote:
> With the current virtualbox (4.3.16), attaching any USB device causes
> virtualbox to crash or hang, sometimes with the following message:
>
> Failed to attach the USB device [DeviceName] to the virtual machine [vm name].
> Failed to create a proxy device for the USB device. (Error: VERR_READ_ERROR).
>
> Result Code:
> NS_ERROR_FAILURE (0x80004005)
> Component:
> Console
> Interface:
> IConsole {8ab7c520-2442-4b66-8d74-4ff1e195d2b6}
>
>
> This error has been reported by pwr2srv at
> https://forums.freebsd.org/viewtopic.php?f=5&t=48134&p=269117#p269117
>
> The same thing happens even with a fresh, blank VM.
>
>
> Downgrading, either by installing the package, or by pulling the old
> revision of the ports tree and building that, fixes the problem.