[RPI-B] [HEADS UP] DWC OTG TX path optimisation for 11-current

[Hans Petter Selasky]

On 07/30/15 14:13, Svatopluk Kraus wrote:
> On Thu, Jul 30, 2015 at 12:14 PM, Hans Petter Selasky <hps at selasky.org> wrote:
>> On 07/30/15 11:46, Svatopluk Kraus wrote:
>>>
>>> On Wed, Jul 29, 2015 at 5:49 PM, Hans Petter Selasky <hps at selasky.org>
>>> wrote:
>>>>
>>>> On 07/29/15 17:45, John-Mark Gurney wrote:
>>>>>
>>>>>
>>>>> Just for your information, when I start buildworld, the system
>>>>>>
>>>>>>
>>>>>> responds very fast (console, ssh). After about one hour, it starts to
>>>>>> print the following warnings:
>>>>
>>>>
>>>>
>>>> Did this happen before r285935 aswell or only after this revision?
>>>
>>>
>>>
>>> Yes, it did. I can't say from which revision it's happening. I try to
>>> keep kernel updated with each change related to this problem, as I
>>> hope that it helps. But the problem is still present.
>>>
>>
>> Can you try the patch I provided?
>>
>
>
> I have just tried it. It does not solve my problem. When it happened,
> I stoped all my programs and set network down.
> I'm attaching a log with the following commands:
>
> usbdump
> usbconfig
> sysctl hw.usb.debug=9
> sysctl hw.usb.dwc_otg.debug=9
>
> which I had to finish by hard power off.
>
> Svata

Hi,

I only see "ERR=0" in the log. Can you run only usbdump while the 
interface is up and the errors are printed in the console?

BTW: All your USB HUBs are self powered?

--HPS