Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc: Allow selection of CONFIG_LD_DEAD_CODE_DATA_ELIMINATION | Date | Thu, 19 Apr 2018 01:13:18 +1000 |
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Mathieu Malaterre <malat@debian.org> writes: > On Wed, Apr 18, 2018 at 8:34 AM, Christophe LEROY ... > >> Can you also provide a copy of the messages you can see (prom_init ...) when >> boot is ok ? > > Hum. I've always been interested in seeing it also myself. Is there a > way to setup env to see those message (netconsole, delayed boot > messages ...) ? I never found a clear documentation on how to do that > on (closed) Apple hardware.
If you see nothing after prom_init it usually indicates the kernel died very early in boot before it could find the console.
The only option then is to enable one of the hard-coded EARLY_DEBUG options.
I don't know which one works on a G4, maybe CONFIG_PPC_EARLY_DEBUG_BOOTX ?
I assume it doesn't have a serial port.
cheers
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