Failure to boot G4: dt_headr_start=0x01501000

[Mathieu Malaterre]

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):

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,