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

[Michael Ellerman]

"Linux regression tracking #adding (Thorsten Leemhuis)"
<regressions at leemhuis.info> writes:
> [CCing the regression list, as it should be in the loop for regressions:
> https://docs.kernel.org/admin-guide/reporting-regressions.html]
>
> [TLDR: I'm adding this report to the list of tracked Linux kernel
> regressions; the text you find below is based on a few templates
> paragraphs you might have encountered already in similar form.
> See link in footer if these mails annoy you.]

Patch is in testing.

https://lore.kernel.org/linuxppc-dev/20230505171816.3175865-1-robh@kernel.org/

cheers

> On 02.05.23 04:22, Christian Zigotzky wrote:
>> 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?
>> 
>> Please find attached the kernel config.
>
> Thanks for the report. To be sure the issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
> tracking bot:
>
> #regzbot ^introduced e4ab08be5b4902e5
> #regzbot title powerpc: boot issues on PASEMI Nemo board
> #regzbot ignore-activity
>
> This isn't a regression? This issue or a fix for it are already
> discussed somewhere else? It was fixed already? You want to clarify when
> the regression started to happen? Or point out I got the title or
> something else totally wrong? Then just reply and tell me -- ideally
> while also telling regzbot about it, as explained by the page listed in
> the footer of this mail.
>
> Developers: When fixing the issue, remember to add 'Link:' tags pointing
> to the report (the parent of this mail). See page linked in footer for
> details.
>
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
> --
> Everything you wanna know about Linux kernel regression tracking:
> https://linux-regtracking.leemhuis.info/about/#tldr
> That page also explains what to do if mails like this annoy you.