[PASEMI NEMO] Boot issue with the PowerPC updates 6.4-1

[Christophe Leroy]

+Rob as he's the commit's Author.

Le 03/05/2023 à 17:46, Christian Zigotzky a écrit :
> On 02 May 2023 at 11:28 am, Michael Ellerman wrote:
>> Christian Zigotzky <chzigotzky at xenosoft.de> writes:
>>> Hello,
>>>
>>> Our PASEMI Nemo board [1] doesn't boot with the PowerPC updates 6.4-1 
>>> [2].
>>>
>>> The kernel hangs right after the booting Linux via __start() @
>>> 0x0000000000000000 ...
>>>
>>> I was able to revert the PowerPC updates 6.4-1 [2] with the following
>>> command: git revert 70cc1b5307e8ee3076fdf2ecbeb89eb973aa0ff7 -m 1
>>>
>>> After a re-compiling, the kernel boots without any problems without the
>>> PowerPC updates 6.4-1 [2].
>>>
>>> Could you please explain me, what you have done in the boot area?
>> There's a few possibilities, but nothing obvious.
>>
>> To begin with can you please test the following commits?
>>
>> 77e69ee7ce07
>> e4ab08be5b49
>> eeac8ede1755
>>
>> cheers
> git revert e4ab08be5b4902e5b350b0e1e1a3c25eb21d76d4
> 
> [master 0086e2cbbec0] Revert "powerpc/isa-bridge: Remove open coded 
> "ranges" parsing"
>   1 file changed, 129 insertions(+), 37 deletions(-)
> 
> After a recompiling it boots without any problems.
> 
> e4ab08be5b49 -- powerpc/isa-bridge: Remove open coded "ranges" parsing 
> is the bad commit.
> 
> Thanks