Do you know which sw build specifically by chance? Is this question I should 
direct to Robert? 



> On Jul 8, 2015, at 12:15 PM, Gerald Coley <[email protected]> wrote:
> 
> If you use the correct SW image, the issue is taken care of. The problem is 
> that the SW assumes a MDIO address. The address can be corrupted by the 
> processor pins changing state on power up and the rPHY cannnot read the 
> strapping options correctly. As long as the SW scans for all address ranges, 
> then it should work.
> 
> Gerald
> 
> 
>> On Wed, Jul 8, 2015 at 11:50 AM, <[email protected]> wrote:
>> Gerald,
>> 
>> Is there any known fix for this problem besides a physical reset, and can be 
>> done from the command line?
>> 
>> Thanks
>> 
>> 
>> 
>>> On Tuesday, August 19, 2014 at 2:48:31 PM UTC-5, Gerald wrote:
>>> I am. My name and contact information is on the cover page of the System 
>>> Reference Manual.
>>> 
>>> Gerald
>>> 
>>> 
>>>> On Tue, Aug 19, 2014 at 7:52 AM, BB-REVC <[email protected]> wrote:
>>>> Could you post the link to the TI thread where this is discussed?
>>>> 
>>>> Who is actually involved in choosing parts for the BBB and in adding 
>>>> layout changes? I offer sending one of mine BBBs to someone involved in 
>>>> the BBB developing process for evaluation purposes if requested.
>>>> 
>>>> I mean this behavior is pretty annoying, this morning it took me almost 20 
>>>> attempts to get one BBB running with ethernet. Furthermore I assume that 
>>>> many posts in forums related to non-working BBB ethernet may be related to 
>>>> this problem.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> Am Dienstag, 19. August 2014 14:35:58 UTC+2 schrieb [email protected]:
>>>>> I found a posting at TIs webbord regarding this problem. There a guy from 
>>>>> TI described this as a bug in used PHY. Since the RESET-input of that PHY 
>>>>> is not connected to a (switchable) output pin on the BBB, only power 
>>>>> of/on helps to workaround this problem. With such a connection a software 
>>>>> workaround would have been possible where the PHY is resetted by 
>>>>> Ethernet-driver until it reacts as expected.
>>>>> 
>>>>> 
>>>>> Am Montag, 18. August 2014 14:42:14 UTC+2 schrieb BB-RevC:
>>>>>> 
>>>>>> Good day,
>>>>>> 
>>>>>> I have several Beaglebone Black Rev C. They are connected to my LAN by 
>>>>>> using a static IP address. I observed that from time to time connecting 
>>>>>> to the Beaglebone Black via ethernet is not possible.
>>>>>> 
>>>>>> I identified the following behavior:
>>>>>> 
>>>>>> The ethernet port has two LEDs, a Green one and an Orange/Yellow one. If 
>>>>>> I apply power to the Beaglebone Black I noticed that the green LED 
>>>>>> immediately starts to blink. However, the yellow LED stays very often 
>>>>>> dark. It simply never blinks during the whole boot process of the board. 
>>>>>> In this case ethernet will not be available after booting linux and the 
>>>>>> board can not be reached via ethernet.
>>>>>> 
>>>>>> My workaround:
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Is this a known respectively a bug? I observed this with several 
>>>>>> Beaglebone Black Rev-C from Element 14. I also have 2 Rev-B boards and I 
>>>>>> think (currently not 100% sure since these boards are not used at the 
>>>>>> moment) that I observed the same behavior.
>>>>>> 
>>>> 
>>>> -- 
>>>> For more options, visit http://beagleboard.org/discuss
>>>> --- 
>>>> You received this message because you are subscribed to the Google Groups 
>>>> "BeagleBoard" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send an 
>>>> email to [email protected].
>>>> For more options, visit https://groups.google.com/d/optout.
>> 
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
>> You received this message because you are subscribed to the Google Groups 
>> "BeagleBoard" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected].
>> For more options, visit https://groups.google.com/d/optout.
> 
> 
> 
> -- 
> Gerald
>  
> [email protected]
> http://beagleboard.org/
> -- 
> For more options, visit http://beagleboard.org/discuss
> --- 
> You received this message because you are subscribed to a topic in the Google 
> Groups "BeagleBoard" group.
> To unsubscribe from this topic, visit 
> https://groups.google.com/d/topic/beagleboard/Q7sGEDj1VZk/unsubscribe.
> To unsubscribe from this group and all its topics, send an email to 
> [email protected].
> For more options, visit https://groups.google.com/d/optout.

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to