Can not activate any debug shell.
2017-09-19 22:15 GMT+03:00 Matwey V. Kornilov <matwey.korni...@gmail.com>:
> pc-s are different every time, the rest persists.
>
> 2017-09-19 20:09 GMT+03:00 Matwey V. Kornilov <matwey.korni...@gmail.com>:
>> This helps
>>
>> earlycon=uart8250,mmio32,0xff130000 console=ttyS2,1500000
>>
>> However, something is going wrong.
>>
>> [ 11.181943] modprobe[93]: undefined instruction: pc=0000ffffb1dccff4
>> [ 11.182589] Code: d503201f 8a180320 92750001 365ffc20 (d5380001)
>> [ 11.184268] modprobe[94]: undefined instruction: pc=0000ffffa3f7bff4
>> [ 11.184913] Code: d503201f 8a180320 92750001 365ffc20 (d5380001)
>> [ 11.186988] modprobe[97]: undefined instruction: pc=0000ffffbd2bfff4
>> [ 11.187632] Code: d503201f 8a180320 92750001 365ffc20 (d5380001)
>> [ 11.189299] modprobe[98]: undefined instruction: pc=0000ffff8cbfeff4
>> [ 11.189945] Code: d503201f 8a180320 92750001 365ffc20 (d5380001)
>> [ 11.191218] Segment Routing with IPv6
>> [ 11.192884] registered taskstats version 1
>> [ 11.193425] zswap: loaded using pool lzo/zbud
>> [ 11.223701] Key type big_key registered
>> [ 11.245149] Key type encrypted registered
>> [ 11.245574] AppArmor: AppArmor sha1 policy hashing enabled
>> [ 11.264592] hctosys: unable to open rtc device (rtc0)
>> [ 11.280592] PM: Hibernation image not present or could not be loaded.
>>
>> 2017-09-06 10:53 GMT+03:00 Matwey V. Kornilov <matwey.korni...@gmail.com>:
>>> 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
>>
>>
>>
>> --
>> With best regards,
>> Matwey V. Kornilov
>
>
>
> --
> With best regards,
> Matwey V. Kornilov
--
With best regards,
Matwey V. Kornilov
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