On Mon, 2 Jan 2017, Oliver Neukum wrote:

> This device gives the following error on detection.
> xhci_hcd 0000:00:11.0: ERROR Transfer event for disabled endpoint or
> incorrect stream ring

Did you ever determine the reason for this ERROR message?  Exactly what 
is going wrong?  Is there a bug in xhci-hcd?  Or is it simply a race 
(in which case the message should not begin with "ERROR")?

Alan Stern

> The same error is not seen when it is added to unusual_device
> list with US_FL_NO_REPORT_OPCODES passed.
> 
> Signed-off-by: George Cherian <[email protected]>
> Signed-off-by: Oliver Neukum <[email protected]>
> CC: [email protected]
> ---
>  drivers/usb/storage/unusual_devs.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/usb/storage/unusual_devs.h 
> b/drivers/usb/storage/unusual_devs.h
> index af3c7ee..16cc183 100644
> --- a/drivers/usb/storage/unusual_devs.h
> +++ b/drivers/usb/storage/unusual_devs.h
> @@ -2109,6 +2109,13 @@ UNUSUAL_DEV(  0x152d, 0x2566, 0x0114, 0x0114,
>               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
>               US_FL_BROKEN_FUA ),
>  
> +/* Reported-by George Cherian <[email protected]> */
> +UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999,
> +             "JMicron",
> +             "JMS56x",
> +             USB_SC_DEVICE, USB_PR_DEVICE, NULL,
> +             US_FL_NO_REPORT_OPCODES),
> +
>  /*
>   * Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI)
>   * and Mac USB Dock USB-SCSI */
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to