[SLOF] SLOF on JS21

[Alexey Kardashevskiy]

On 01/20/2016 08:26 PM, Thomas Huth wrote:
> On 20.01.2016 08:46, Alexey Kardashevskiy wrote:
>> On 01/20/2016 05:27 PM, Thomas Huth wrote:
>>> On 20.01.2016 07:05, Alexey Kardashevskiy wrote:
>>>> On 01/11/2016 06:34 PM, Thomas Huth wrote:
>>>>> On 11.01.2016 02:58, Alexey Kardashevskiy wrote:
>>>>>> On 01/08/2016 07:11 PM, Thomas Huth wrote:
>>>>> [...]
>>>>>>> Now I'm back from vacation ... but currently I don't have the
>>>>>>> PowerStation with me anymore .... I'll try when I'm back at the
>>>>>>> location where I left it...
>>>>>>
>>>>>> Turns out I have JS22 (Type 7998) and JS21 (Type 8844) here where I
>>>>>> can
>>>>>> try SLOF. btw are they any different from the SLOF bootability
>>>>>> prospective?
>>>>>>
>>>>>> Also since it has been a while since I flashed those last time, can
>>>>>> you
>>>>>> please send few commands how to flash slof and how to switch sides?
>>>>>
>>>>> SLOF only works on JS20 and JS21, since these were the PowerPC 970
>>>>> based
>>>>> blades. JS22 is POWER6, so SLOF won't work there.
>>>>>
>>>>> JS21 also ships with a pHyp based firmware by default. So IIRC the
>>>>> easiest way to boot SLOF there is to set up a TFTP server on another
>>>>> machine, and then to boot the takeover image:
>>>>>
>>>>> - Build SLOF with "make js2x"
>>>>> - Then create the takeover image with "make -C board-js2x takeover"
>>>>> - Copy clients/takeover/takeover.elf to your TFTP server and boot it
>>>>
>>>> My js2x is running some firmware with the screen like:
>>>>
>>>> IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
>>>> IBM IBM
>>>> IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
>>>> IBM IBM
>>>> IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
>>>> IBM IBM
>>>>
>>>>             1 = SMS Menu                          5 = Default Boot List
>>>>             8 = Open Firmware Prompt              6 = Stored Boot List
>>>>
>>>>
>>>>        Memory      Keyboard     Network     SCSI     Speaker  ok
>>>
>>> That's the default pHyp based firmware.
>>>
>>>> which is not SLOF and takeover does not seem working there :-/
>>>
>>> What happens if you boot the takeover.elf?
>>
>>
>> What is the boot command format there?
>>
>> This did not work:
>> load net:bootp,10.61.2.7,takeover.elf,10.61.254.21
>>
>> It ignored my IP and used DHCP anyway and did not try loading my
>> "takeover.elf". I had to do the complete setup of DHCP&etc :-/
>
> Well, BOOTP is the predecessor of DHCP, so if you specify that, that
> means automatic address retrieval. If it works the same way as in SLOF,
> you simply have to omit the "bootp,":
>
>   load net:10.61.2.7,takeover.elf,10.61.254.21
>
>> Anyway, here is what I got so far:
> ...
>>   Switching top HT bus to 800MHz...
>>   Adapters on 00000000f2000000
>>                       00 0800 (B) : 1166 0130    pci*
>>                       01 0800 (D) : 1014 028c    citrine
>
> I think I've seen this once or twice on the PowerStation, too, ... IIRC
> it went away after rebooting. Not sure what the problem here is...



Well, I cannot flash this to the blade and hope that reboot will fix it, it 
may not come up... I will bisect later why it hangs when I get bored :)


-- 
Alexey