DWC OTG TX path optimisation for 11-current

[Svatopluk Kraus]

On Tue, Aug 18, 2015 at 2:46 PM, Hans Petter Selasky <hps at selasky.org> wrote:
> On 08/18/15 14:31, Svatopluk Kraus wrote:
>>
>> On Tue, Aug 18, 2015 at 1:54 PM, Hans Petter Selasky <hps at selasky.org>
>> wrote:
>>>
>>> Hi,
>>>
>>> On 08/18/15 13:22, Svatopluk Kraus wrote:
>>>>
>>>>
>>>> Do I understand it well that you are not able to trigger the problem?
>>>
>>>
>>>
>>> Maybe I haven't been trying hard enough. I've been using a kernel built
>>> from
>>> "projects/hps_head" which I just updated to include the latest DWC OTG
>>> patches, instead of "head". There was today a timer subsystem fix, not
>>> sure
>>> if it makes any difference:
>>>
>>> https://svnweb.freebsd.org/changeset/base/286880
>>>
>>> I will try to buildworld from an external USB disk later today and see
>>> what
>>> happens.
>>>
>>>>
>>>> and still the system response time is terrible.
>>>
>>>
>>>
>>> If you can do:
>>>
>>> usbconfig -d 0.1 set_config 255
>>>
>>> And verify that the IRQ rate goes to zero for DWC OTG, then we maybe
>>> could
>>> rule out USB.
>>>
>>
>> Note that my root filesystem was on usb disk.
>>
>
> Is the console still not responding properly after this command?
>

System response time is still bad.