On 08/12/16 21:36, Otacílio wrote:
Dears

I have two guest machines on virtualbox 5.0.26:

FreeBSD xareu 10.3-RELEASE-p4 FreeBSD 10.3-RELEASE-p4 #0: Sat May 28
09:52:35 UTC 2016
[email protected]:/usr/obj/usr/src/sys/GENERIC i386

virtualbox-ose-additions-4.3.38 VirtualBox additions for FreeBSD guests

and

FreeBSD nostromo 11.0-BETA4 FreeBSD 11.0-BETA4 #0 r303759: Fri Aug  5
02:26:47 UTC 2016
[email protected]:/usr/obj/usr/src/sys/GENERIC  amd64

virtualbox-ose-additions-5.0.26 VirtualBox additions for FreeBSD guests


On both machines when I'm using USB 3.0 xHCI for USB support and plug my
webcam C920 I get

usb_alloc_device: Failure selecting configuration index
0:USB_ERR_STALLED, port 1, addr 1 (ignored)
ugen0.2: <vendor 0x046d> at usbus0

and no /dev/video0

but, on both machines, when I'm using USB 2.0 EHCI for USB support and
plug my webcam C920 I get


Are there any VM debug logs showing USB errors? It is likely an emulation problem.

--HPS

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