On 5/21/14, 8:56 AM, "Ross Morrison" <r...@buy-ei.com> 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

There are only a few references so it should be easy for you to determine
why this doesn¹t happen.

Regards,
John
>
>Once again, with 3.15 our hardware and USB works perfect.
>
>Thanks,
>
>Ross
>
>-- 
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