Am 04.05.21 um 16:41 schrieb Christophe Leroy:

Le 04/05/2021 à 13:02, Christian Zigotzky a écrit :

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Am 04.05.21 um 12:07 schrieb Christian Zigotzky:

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Am 04.05.21 um 11:49 schrieb Christophe Leroy:

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Le 04/05/2021 à 11:46, Christian Zigotzky a écrit :

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Am 04.05.21 um 11:11 schrieb Christophe Leroy:

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Le 04/05/2021 à 11:09, Christian Zigotzky a écrit :

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Am 04.05.21 um 10:58 schrieb Christophe Leroy:

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Le 04/05/2021 à 10:29, Christian Zigotzky a écrit :

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On 04 May 2021 at 09:47am, Christophe Leroy wrote:

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Hi

Le 04/05/2021 à 09:21, Christian Zigotzky a écrit :

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Hi Christophe,

Thanks for your answer but I think I don't know how it works 
with the cherry-pick.

$ git bisect start

As you suspect the problem to be specific to powerpc, I can do

git bisect start -- arch/powerpc

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$ git bisect good 68a32ba14177d4a21c4a9a941cf1d7aea86d436f
$ git bisect bad c70a4be130de333ea079c59da41cc959712bb01c

You said that powerpc-5.13-1 is bad so you can narrow the 
search I think:

git bisect bad powerpc-5.13-1
git bisect good 887f3ceb51cd3~

I tried it but without any success.

git bisect bad powerpc-5.13-1

Output:
fatal: Needed a single revision
Bad rev input: powerpc-5.13-1

I don't understand, on my side it works. Maybe a difference 
between your version of git and mine.

In that case, just use the SHA corresponding to the merge:

git bisect bad c70a4be130de333ea079c59da41cc959712bb01c

Christophe

Do you use a BookE machine?

No I don't unfortunately, and I have tried booting in QEMU a 
kernel built with your config, but it freezes before any output.

You can use my kernels and distributions.

Ok, I'll see if I can do something with them.

In the meantime, have you been able to bisect ?

Thanks
Christophe

I am bisecting currently.

$ git bisect start -- arch/powerpc
$ git bisect good 887f3ceb51cd3~
$ git bisect bad c70a4be130de333ea079c59da41cc959712bb01c

OK, there is another issue after the second bisecting step. The boot 
stops after loading the dtb and uImage file. I can't solve 2 issues 
with bisecting at the same time.

In that case, you can use 'git bisect skip' to skip the one that is 
not booting at all.

In my point of view 'git bisect skip' isn't a good idea because I will 
not find out if the skipped commit is good or bad and maybe the first 
bad commit.