usb errors on RELENG_8
Hans Petter Selasky
hselasky at c2i.net
Wed May 11 16:25:54 UTC 2011
On Wednesday 11 May 2011 18:10:57 Mike Tancsa wrote:
> On 5/11/2011 2:21 AM, Hans Petter Selasky wrote:
> > Try to send this USB control request to the HUB and then re-plug the
> > device. Does it help?
> >
> > usbconfig -d X.Y do_request 0x23 0x09 0x0000 0x0001 0
>
> Hi,
> I get this command
>
> 0[upsmon1]# usbconfig -d 1.8 do_request 0x23 0x09 0x0000 0x0001 0
> REQUEST = <OK>
> 0[upsmon1]#
>
> It seems to quiet things down. What does the command do ?
>
> ---Mike
Hi,
It resets the transaction translator of the high speed HUB. Probably we could
issue that command before or after resetting the USB port.
--HPS
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