forcing the device to be 1.1

Hans Petter Selasky hps at selasky.org
Wed Apr 15 07:03:14 UTC 2015


On 04/15/15 08:45, Eugene M. Zheganin wrote:
> Hi.
>
> I need to force the device to work in 1.1 mode, because I need to make
> it visible to the virtualbox-ose, which supports only 1.1 devices.
> By default my device is in 2.0 I guess (usbconfig shows FULL speed).
> Various posts mention I have to use the hw.usb.ehci.no_hs sysctl oid and
> set it to 1. I actually tried this, but my device still opertates in
> FULL speed after replugging. I also noticed that all of these success
> stories mention the FreeBSd 8 or 9, and i have the 10 version. Does this
> still work ? Or may be I need to unplug all of my usb devices (including
> the keyboard and mouse) and then configure the hw.usb.ehci.no_hs ?
>
> P.S. This message isn't related to the previous one, about the
> cardreader in any manner. These are two completely different issues.

Hi,

If the device is FULL speed in the host, then it should operate properly 
in VirtualBox too. Try removing any drivers which attach to your USB 
device in the USB host. USB FS devices are allowed to be v2.0 compatible 
too.

--HPS



More information about the freebsd-usb mailing list