[coreboot] OpenBMC & KGPE-D16

Thierry Laurion thierry.laurion at gmail.com
Sun Feb 25 04:01:24 CET 2018


Any particular reason those patches were not upstreamed?

Le ven. 23 févr. 2018 21:40, Thierry Laurion <thierry.laurion at gmail.com> a
écrit :

> Timothys patches were mot included un coreboot
> https://review.coreboot.org/#/c/coreboot/+/19822/
>
> Le ven. 23 févr. 2018 17:40, Elisenda Cuadros <lists at e4l.es> a écrit :
>
>> 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.
>> --
>> coreboot mailing list: coreboot at coreboot.org
>> https://mail.coreboot.org/mailman/listinfo/coreboot
>
>
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