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

[Bagas Sanjaya]

On Mon, May 08, 2023 at 01:29:22PM +0200, Linux regression tracking #adding (Thorsten Leemhuis) wrote:
> [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.]
> 
> 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
> > 
> <snipped> ... 
> 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

Hi Thorsten,

Why and how can you conclude that the culprit is e4ab08be5b4902 ("powerpc/isa-bridge:
Remove open coded "ranges" parsing") rather than powerpc PR merge commit
70cc1b5307e8ee ("Merge tag 'powerpc-6.4-1' of
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux")? 

Thanks.

-- 
An old man doll... just what I always wanted! - Clara
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