2017-09-05 16:28 GMT+03:00 Alexander Graf <ag...@suse.de>:
>
>
> On 05.09.17 15:23, Matwey V. Kornilov wrote:
>>
>> 2017-09-05 16:12 GMT+03:00 Alexander Graf <ag...@suse.de>:
>>>
>>>
>>>
>>> On 05.09.17 15:02, Matwey V. Kornilov wrote:
>>>>
>>>>
>>>> 2017-09-05 16:00 GMT+03:00 Alexander Graf <ag...@suse.de>:
>>>>>
>>>>>
>>>>>
>>>>> On 05.09.17 14:58, Matwey V. Kornilov wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Still no luck. No signal at video, no text in console after EFI stub.
>>>>>> Any ideas why?
>>>>>>
>>>>>
>>>>> Can you try to make earlycon work? I'm sure someone has the magic
>>>>> parameters
>>>>> for it somewhere...
>>>>
>>>>
>>>>
>>>> Indeed. But they don't work either. Ones which should is
>>>> earlycon=uart8250,mmio32,0xff130000
>>>
>>>
>>>
>>> That is very odd. Usually earlycon works. The only case I've found where
>>> it
>>> was unintuitively broken was when U-Boot ran in EL3, but I assume you do
>>> have ATF running somewhere, right?
>>
>>
>> It is supposed to be so.
>>
>>>
>>> What you can still try is to recover the kernel log from RAM. For that,
>>> boot
>>> up the system, then reset (don't power cycle, use the reset button if
>>> available, otherwise use the reset line on the jtag port if available).
>>> After reset, you should get back to U-Boot. There, run "bdinfo" to find
>>> out
>>> the base offset of RAM.
>>
>>
>> What is the offset here?
>>
>> => bdinfo
>> arch_number = 0x00000000
>> boot_params = 0x00000000
>> DRAM bank = 0x00000000
>> -> start = 0x00200000
>
>
> This is the offset. It does sound quite weird though, so don't be surprised
> if things don't work :).
ffff00000951aa68 b __log_buf
I see similar random garbage pattern
=> md.b 0x971aa68 100
0971aa68: 5b bf f7 df 7e bf 7f fe 9b ff bf 6f 6e ff 0f bd [...~......on...
0971aa78: ff ff fe fe df ff bf de 7f fd cf 7d df bd ff ff ...........}....
0971aa88: b5 fb 73 7b b3 ef e7 ee ff f7 3e fe ff ff ed af ..s{......>.....
0971aa98: fd f7 bf be df df be ef fd ff ff ff bf bf fb bd ................
0971aaa8: 3e ed ff b7 c7 bf bf ff fe ff ef bf 4e bf ff cd >...........N...
0971aab8: fd f5 fd ff bf ff ff 9f f4 f7 ef ff ff ff fb bf ................
0971aac8: f6 7e 77 b5 d5 ff ff 7f 7d b9 f7 f7 fd f3 6e df .~w.....}.....n.
0971aad8: f3 f3 eb 5f df ff 5f ff 7c ff bf fe ff fe fe 7f ..._.._.|.......
0971aae8: ee ff fe ff f5 5f ff fd e7 ff df b7 e7 fb ff ff ....._..........
0971aaf8: ff bf ef e9 ff fb ff ff ff 77 ef 6c d8 f7 f3 ff .........w.l....
0971ab08: fe f5 ff f7 fe f7 f6 ff ff ff ba f7 df 76 ff cd .............v..
0971ab18: ff ff fd fe ff 9f fb fb ff ff ff fb ff bf ff fe ................
0971ab28: d5 7f f6 ff bf 5f fe f1 f7 ff ff fb fb 97 f6 4b ....._.........K
0971ab38: ff ff 7e a7 ff df 60 fd bb f7 df fd ff 7b f7 ef ..~...`......{..
0971ab48: ef fd fb dd fb f6 fb ff ef ef b7 7f ff db fc cf ................
0971ab58: 7f ff f6 7b fb 7f fb 7f d7 ef ff ff ff bd e7 7f ...{............
=> md.b 0x951aa68 100
0951aa68: 5b bf f5 cf 7e bf 7f ff 9b ff ff 6f 6e ff 0f bd [...~......on...
0951aa78: ff ff fe fe df ff ff de 7f fd cf 7d df fd ff ff ...........}....
0951aa88: b5 fb 73 7b b7 ef e7 ee ff f7 3e fe ff ff ed af ..s{......>.....
0951aa98: fd f7 3f bf ff df be ef fd ff ff ff bf bf fb bf ..?.............
0951aaa8: 3e ed ff b7 c7 bf bf ff fe ff ef bf 4a bf fb cc >...........J...
0951aab8: ff fd fd ff b7 ff ff 9f f4 f7 ef ff ff ff fb bf ................
0951aac8: e6 7e 77 b7 d4 ff ff 7f 7d b9 f7 e7 fd f3 6e df .~w.....}.....n.
0951aad8: f3 f3 eb 5f d7 ff 5f ff 7c ff bf fe ff fe fe 7f ..._.._.|.......
0951aae8: ee ff fe ff f5 5b ff fd f7 ff df b7 e7 fb fe ff .....[..........
0951aaf8: ff bf ef e9 fd fb ff ff ff 77 ef 6c d8 f7 f3 ff .........w.l....
0951ab08: f6 f4 ff ff fe f7 f6 f7 ff ff ba f5 df f6 ff cd ................
0951ab18: ff ff fd fe df 3f fb fb ff ff ff fb ff bf ff fe .....?..........
0951ab28: d5 7f f6 ff bf 5f fe 75 f7 ff ff fb fb 97 f6 4b ....._.u.......K
0951ab38: ff ff 7e a7 ff de 60 fd bb f7 df fd ff 73 f7 ef ..~...`......s..
0951ab48: ef fd fb dd fb f6 fb ef ef ef b7 7f ff db fc cb ................
0951ab58: 7f ff f6 7b fb 7f fb 7d d7 ef ff ff ff bd a7 7f ...{...}........
>
>
> Alex
--
With best regards,
Matwey V. Kornilov
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