Failure to boot G4: dt_headr_start=0x01501000

[Christophe Leroy]

Salut Mathieu,

Le 23/05/2019 à 08:24, Mathieu Malaterre a écrit :
> Salut Christophe,
> 
> On Wed, May 22, 2019 at 2:20 PM Christophe Leroy
> <christophe.leroy at c-s.fr> wrote:
>>
>>
>>
>> Le 22/05/2019 à 14:15, Mathieu Malaterre a écrit :
>>> Hi all,
>>>
>>> I have not boot my G4 in a while, today using master here is what I see:
>>>
>>> done
>>> Setting btext !
>>> W=640 H=488 LB=768 addr=0x9c008000
>>> copying OF device tree...
>>> starting device tree allocs at 01401000
>>> otloc_up(00100000, 0013d948)
>>>     trying: 0x01401000
>>>     trying: 0x01501000
>>>    -› 01501000
>>>     alloc_bottom : 01601000
>>>     alloc_top    : 20000000
>>>     alloc_top_hi : 20000000
>>>     nmo_top      : 20000000
>>>     ram_top      : 20000000
>>> Building dt strings...
>>> Building dt structure...
>>> reserved memory map:
>>>     00d40000 - 006c1000
>>> Device tree strings 0x01502000 -> 0x00000007
>>> Device tree struct 0x01503000 -> 0x00000007
>>> Quiescing Open Firmware ...
>>> Booting Linux via __start() @ 0x001400000
>>> ->dt_headr_start=0x01501000
>>>
>>> Any suggestions before I start a bisect ?
>>>
>>
>> Have you tried without CONFIG_PPC_KUEP and CONFIG_PPC_KUAP ?
> 
> Using locally:
> 
> diff --git a/arch/powerpc/configs/g4_defconfig
> b/arch/powerpc/configs/g4_defconfig
> index 14d0376f637d..916bce8ce9c3 100644
> --- a/arch/powerpc/configs/g4_defconfig
> +++ b/arch/powerpc/configs/g4_defconfig
> @@ -32,6 +32,8 @@ CONFIG_USERFAULTFD=y
>   # CONFIG_COMPAT_BRK is not set
>   CONFIG_PROFILING=y
>   CONFIG_G4_CPU=y
> +# CONFIG_PPC_KUEP is not set
> +# CONFIG_PPC_KUAP is not set
>   CONFIG_PANIC_TIMEOUT=0
>   # CONFIG_PPC_CHRP is not set
>   CONFIG_CPU_FREQ=y
> 
> 
> Leads to almost the same error (some values have changed):

Ok.

When you say you are using 'master', what do you mean ? Can you give the 
commit Id ?

Does it boots with Kernel 5.1.4 ?

Did you try latest powerpc/merge branch ?

Can you send your full .config ?

Christophe

> 
> done
> Setting btext !
> W=640 H=488 LB=768 addr=0x9c008000
> copying OF device tree...
> starting device tree allocs at 01300000
> alloc_up(00100000, 0013d948)
>    trying: 0x01300000
>    trying: 0x01400000
>   -› 01400000
>    alloc_bottom : 01500000
>    alloc_top    : 20000000
>    alloc_top_hi : 20000000
>    nmo_top      : 20000000
>    ram_top      : 20000000
> Building dt strings...
> Building dt structure...
> reserved memory map:
>    00c40000 - 006c0000
> Device tree strings 0x01401000 -> 0x00000007
> Device tree struct 0x01402000 -> 0x00000007
> Quiescing Open Firmware ...
> Booting Linux via __start() @ 0x001400000
> ->dt_headr_start=0x01400000
> 
> Thanks anyway,
>