[coreboot] OpenBMC & KGPE-D16

[Timothy Pearson]

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No worries.  I'm glad you were able to get the BMC running; it's great
to see more users of this technology!

On 02/23/2018 05:09 PM, Elisenda Cuadros wrote:
> Sorry, I need to read better.
> 
> Thank you.
> 
> I am going to try the patches now.
> 
> Regards,
> 
> - Eli
> 
> 
> On 24/02/18 00:01, Timothy Pearson wrote:
> You need these patches:
> 
> https://review.coreboot.org/#/c/19822/
> 
> This one in particular:
> 
> https://review.coreboot.org/#/c/coreboot/+/19820/
> 
> This is noted on the Raptor status page:
> 
> https://www.raptorengineering.com/coreboot/kgpe-d16-bmc-port-status.php
> 
> See the link to "Initial coreboot patches".
> 
> If anyone wants to take over upstreaming of the patches in that list
> they are welcome to do so!
> 
> On 02/23/2018 04:38 PM, Elisenda Cuadros wrote:
>>>> Hello,
>>>>
>>>> Thank you for your reply.
>>>>
>>>> I reflashed (same build) the BMC module with a hotplug. Now it works
>>>> like a charm, it got an ip, I can log through ssh, reboot, etc..
>>>>
>>>> But now I have a new problem. If I try to boot from a halted system,
>>>> with BMC module attached, the system fires up but Coreboot hangs:
>>>>
>>>> Unable to detect valid memory on any nodes.  Halting!
>>>> mct_d: fatalexit
>>>>
>>>> If I remove the BMC module the system boots fine.
>>>>
>>>> I have 4 Micron MT18JSF25672PDZ-1G4F1DD modules, located in CPU1 orange
>>>> slots.
>>>>
>>>> I attach both console logs.
>>>>
>>>> Regards,
>>>>
>>>> - Eli
>>>>
>>>>
>>>>
>>>> On 22/02/18 22:36, Timothy Pearson wrote:
>>>>> Actually, for OpenBMC work, hotplugging is often the only way to go.
>>>>> Just be very careful to align the pins correctly the first time; you
>>>>> don't have a second chance if you misalign the pins and fry the
>>>>> module...
>>>>>
>>>>> On 02/22/2018 03:22 PM, Taiidan at gmx.com wrote:
>>>>>> On 02/17/2018 09:46 AM, Elisenda Cuadros wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> Now I trying to use your OpenBMC port.
>>>>>>>
>>>>>>> I followed the instructions and everything was fine (compiling,
>>>>>>> reading and flashing). I waited several minutes after flashing, but
>>>>>>> the module didn 't blinked like in the vendor rom, nor did it receive
>>>>>>> an ip.
>>>>>>>
>>>>>>> I halted the system because I thought maybe it needs a cold start.
>>>>>>>
>>>>>>> After this, the system doesn't boot with the module plugged in. The
>>>>>>> fans begin to spin for approximately 1/4 second, but nothing else.
>>>>>>>
>>>>>>> My two fans (1 cpu & 1 chassis) have 3 pins and are low speed
>>>>>>> (~1000rpm)
>>>>>>>
>>>>>>> In the case I have to reflash the module, is it possible to
>>>>>>> hotplug it?
>>>>>> Hotplugging is dangerous and not supported, don't do it.
>>>>>>> Thank you very much for your support.
>>>>>> You can use a test clip to externally flash it via a flashing device
>>>>>> (not sure which can do 16 pins though, I would inquire on the flashrom
>>>>>> mailinglist)
>>>>>>
>>>>>> Are you using the latest coreboot? AFAIK coreboot was patched to
>>>>>> support
>>>>>> OpenBMC, so you need a new version with the patches.
> 
> -- Timothy Pearson
> Raptor Engineering
> +1 (415) 727-8645 (direct line)
> +1 (512) 690-0200 (switchboard)
> https://www.raptorengineering.com

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
https://www.raptorengineering.com
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