Re: Each boot on my Cubietruck, and different MACaddr

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Hi Robert,

As I've mentioned before this is not the location to get support on
RedSleeve6. You need to go and speak to them about that.

Using a Fedora kernel doesn't make it Fedora.

Peter

On Tue, Oct 14, 2014 at 8:05 PM, Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> wrote:
> Just an update on this.  I am building a mailserver on Cubietruck.
>
> I am using RedSleeve6, using the F19 uboot and device and module files:
>
> http://cdn.opensxce.org/redsleeve/el6/cubieboard2/README
>
> About the only thing not working as I wish is the ethernet that gets a new
> MACaddr at each boot.  Right now I am at eth3, as each boot, another entry
> is made to:
>
> /etc/udev/rules.d/70-persistent-net.rules
>
> with the new MACaddr and the next ethn name.  I see the message at boot that
> eth0 cannot be found, but fortunately my
>
> /etc/sysconfig/network-scripts/ifcfg-eth0
>
> Gets applied to the current name and I get the MACaddr I want and thus the
> IPv6 suffix of choice (to go with the RA prefix).
>
> I will be putting this server into production next week; switching even my
> dozen users over to a new server (and POP/IMAP software!) will be a bit
> challenging.
>
> Then, perhaps, I can get back to F21 testing.  And save the Samba server
> conversion for later.
>
>
> On 09/09/2014 08:56 PM, Robert Moskowitz wrote:
>>
>>
>> On 09/09/2014 07:12 PM, Hans de Goede wrote:
>>>
>>> Hi,
>>>
>>> On 09/09/2014 10:44 PM, Robert Moskowitz wrote:
>>>>
>>>> OK.  back doing some testing.  So far all with F19.
>>>>
>>>> On 09/09/2014 07:02 AM, Hans de Goede wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> On 09/09/2014 12:28 PM, Robert Moskowitz wrote:
>>>>>>
>>>>>> On 09/09/2014 02:41 AM, Hans de Goede wrote:
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> On 09/09/2014 07:40 AM, Marcin Juszkiewicz wrote:
>>>>>>>>
>>>>>>>> W dniu 09.09.2014 o 04:51, Robert Moskowitz pisze:
>>>>>>>>>
>>>>>>>>> Read Hans de Goede's post on the F19 and the Allwinner (Cubie) back
>>>>>>>>> on
>>>>>>>>> 12/26/2013.  He supposedly uses the SID for a consistant local
>>>>>>>>> scope
>>>>>>>>> MACaddr.  I Do get that on my Cubieboard2, but not on my
>>>>>>>>> Cubietruck.
>>>>>>>>
>>>>>>>> Hans also told that there was a bunch of Cubie* with pre-production
>>>>>>>> cpus
>>>>>>>> which lacked serial number.
>>>>>>>
>>>>>>> AFAIK only cubieboard2 and olinuxino-a20-micro suffer from this, the
>>>>>>> cubietruck is fine. On machines with an all 0 sid this indeed does
>>>>>>> not
>>>>>>> work.
>>>>>>
>>>>>> My SIX Cubieboard2 all are fine with a consistant MAC address.
>>>>>
>>>>> Good, then later runs of the cubieboard2 have gotten a proper SID, that
>>>>> is good.
>>>>>
>>>>>> My one Cubietruck keeps coming up with the unique MACaddr.  Exact
>>>>>> opposite of what you are reporting.
>>>>>
>>>>> Which version of Fedora are you running on your Cubietruck ?
>>>>>
>>>>> With the respin images the kernel takes care of getting the MAC from
>>>>> the SID,
>>>>> with the official F-21 images, u-boot needs to do this, and the u-boot
>>>>> included
>>>>> is (not yet) new enough.
>>>>>
>>>>>> Perhaps there is a rev difference in the shipped nand?  In all cases,
>>>>>> I never did anything with the nand image, but went right to the SDcard
>>>>>> image.  I just don't get how to do the nand poking to get something working
>>>>>> from it.
>>>>>
>>>>> The SID is in the SoC, it has nothing to do with the nand.
>>>>>
>>>>>> Is there any test I can run on my CT?
>>>>>
>>>>> You can dump the sid by hooking up a serial console, and then pressing
>>>>> a
>>>>> key to interrupt u-boot, then do:
>>>>>
>>>>> md 1c23800 4
>>>>>
>>>>> To get the SID contents, see here for example SID-s :
>>>>>
>>>>> http://linux-sunxi.org/SID_Register_Guide
>>>>>
>>>>> If this is non-0 on your cubietruck, then you should get a consistent
>>>>> MAC
>>>>> with the respin images,
>>>>
>>>> Well, I am not.  For the Cubietruck.  Here is the SID fromthe CT and
>>>> different MACaddr from a series of boots from the F19 image:
>>>>
>>>> md 1c23800 4
>>>>
>>>> 01c23800: 165166c1 80485172 49514848 0881e2d7 .fQ.rQH.HHQI....
>>>>
>>>> ea:99:af:e5:2f:5b
>>>>
>>>> ea:22:02:c6:83:c8
>>>>
>>>> fe:1d:9a:25:3b:48
>>>>
>>>> Then I switch over to a Cubieboard2, also with F19:
>>>>
>>>> md 1c23800 4
>>>> 01c23800: 165166c4 80485072 56484848 0382c153 .fQ.rPH.HHHVS...
>>>>
>>>> 02:c4:03:82:c1:53
>>>>
>>>>
>>>> I notice with the C2, the MAC is the last word of the SID. But for the
>>>> CT, I cannot figure it out at all.
>>>
>>> Ah right, I remember now the kernel code to use the SID for the MAC in
>>> F-19 is
>>> part of the emac driver, and the A20 uses the gmac driver, that is why it
>>> is
>>> not working on the cubietruck with F-19.
>>
>>
>> I thought both are A20 boards.   Though the C2 has the 100Mb ethernet, and
>> the CT the 1Gb.
>>
>>>
>>>> I have a bit of other testing to do (VLAN setup), then I will switch to
>>>> F21 and see if I can get the current uboot for the CT working.
>>>
>>> Yes F-21 + latest u-boot should work.
>>
>>
>> Basically, this means no fancy networking stuff on the truck with old
>> remixes.  :)
>>
>> I can work with that.  I only have the one CT, and it is destined as a
>> replacement server.
>>
>> Thanks for all your work.  Next to sort out the vlanning problem...
>>
>>
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