On 5/21/14, 11:23 AM, "Ross Morrison" <[email protected]> wrote:

>On 05/21/2014 11:07 AM, John Syn wrote:
>> On 5/21/14, 8:56 AM, "Ross Morrison" <[email protected]> wrote:
>>
>>> Hi all,
>>>
>>> My previous email was incorrect, the USB Host port on the BBB works
>>>fine
>>> with the USB ASIC AX88x72A based Ethernet Dongle. So back to scratching
>>> my head....
>>>
>>> I have identified in the dmesg output a 4 line difference between our
>>> custom board and the BBB.
>>>
>>> Our custom board:
>>> [    1.562682] usbcore: registered new interface driver usbhid
>>> [    1.568560] usbhid: USB HID core driver
>>> [    1.573609] ashmem: initialized
>>> [    1.577327] logger: created 256K log 'log_main'
>>> [    1.582363] logger: created 256K log 'log_events'
>>> [    1.587701] logger: created 256K log 'log_radio'
>>> [    1.592803] logger: created 256K log 'log_system'
>>> missing output
>>> [    1.600106] TCP: cubic registered
>>> [    1.603776] NET: Registered protocol family 10
>>> [    1.609549] NET: Registered protocol family 17
>>>
>>>
>>>
>>>
>>> BBB:
>>> [    1.963408] usbhid: USB HID core driver
>>> [    1.968565] ashmem: initialized
>>> [    1.972295] logger: created 256K log 'log_main'
>>> [    1.977338] logger: created 256K log 'log_events'
>>> [    1.982576] logger: created 256K log 'log_radio'
>>> [    1.987699] logger: created 256K log 'log_system'
>>> [    1.992702] usb usb1: usb wakeup-resume
>>> [    1.992745] usb usb1: usb auto-resume
>>> [    1.992768] hub 1-0:1.0: hub_resume
>>> [    1.992808] hub 1-0:1.0: port 1: status 0101 change 0001
>>> [    1.995817] TCP: cubic registered
>>> [    1.999469] NET: Registered protocol family 10
>>> [    2.005445] NET: Registered protocol family 17
>>>
>>> So, my question is what would trigger the USB drivers to skip the steps
>>> that generate the 4 output messages above? Or, what source file would I
>>> look at to determine what conditions would prevent the drivers from
>>> proceeding and displaying the above messages?
>>>
>>> Any suggestions would be greatly appreciated.
>> In your kernel source folder, issue the following command:
>> git grep cubic
>
>The missing ouput is:
>
>[    1.992702] usb usb1: usb wakeup-resume
>[    1.992745] usb usb1: usb auto-resume
>[    1.992768] hub 1-0:1.0: hub_resume
>[    1.992808] hub 1-0:1.0: port 1: status 0101 change 0001
Sorry about that. These messages aren't from the kernel. Probably from
some startup script. You may want to try a tool like ack-grep to find the
source of these messages.

Regards,
John
>
>Not the:
>
>[    1.995817] TCP: cubic registered
>
>Thanks for the idea though..
>Ross
>
>  There are only a few references so it should be easy for you to
>determine why this doesnšt happen. Regards, John
>>> Once again, with 3.15 our hardware and USB works perfect.
>>>
>>> Thanks,
>>>
>>> Ross
>>>
>>> -- 
>>> For more options, visit http://beagleboard.org/discuss
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>>
>
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