MPC8321 boot failure

Christophe LEROY christophe.leroy at c-s.fr
Thu Oct 18 03:36:39 AEDT 2018


Hi,

Yes I discovered the same issue today on MPC8321E, I plan to look at it 
more closely tomorrow morning (Paris Time).

I think we are missing commit 8183d99f4a22c2abbc543847a588df3666ef0c0c , 
I didn't realise it when we applied the serie to 4.14, 
patch_instruction() is called too early without that patch.

If you have opportunity to test now, you are welcome, otherwise I'll 
test it tomorrow.

Christophe

Le 17/10/2018 à 17:18, David Gounaris a écrit :
> Hello, I got into troubles when I upgraded to Linux kernel 4.14.76 on 
> boards with MPC8321.
> 
> 
> The symptom that I see is that the boot process gets cyclic, and no 
> printouts are seen from the Linux kernel. It seems like it resets.
> 
> 
> When I revert the following commits it works again.
> 
> af1a8101794dfea897290e057f61086dabfe6c91, powerpc/lib: fix book3s/32 
> boot failure due to code patching
> 609fbeddb24c4035d24fc32d82dc08b30ae3dfc0, powerpc: Avoid code patching 
> freed init sections
> 
> Any ideas of how to continue?
> 
> BR / David Gounaris
> 
> 
> 


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