Re: Time to remove platforms/cell?

[Michael Ellerman <mpe@ellerman.id.au>]

On Thu, 2015-10-22 at 12:15 -0700, Geoff Levand wrote:

> Hi,
> 
> On Fri, 2015-10-09 at 23:13 +0200, Marc Dietrich wrote:

> > Am Freitag, 9. Oktober 2015, 10:45:42 schrieb Geoff Levand:

> > > With the 4.2-rc4 kernel, kexec seems to work when CONFIG_SPU_FS=n. 
> > >  I
> > > have not tried with petitboot release white-09.09.01-15.56 yet though.
> > 
> > I guess you mean 4.3-rc4. Still no luck with CONFIG_SPU_FS=n. No output even 
> > with direct calling kexec. Can you put a working kernel/initrd to some place 
> > so I can try this?
> 
> I did some more work on this, but still did not find out what the problem
> is.  Kexec from 4.3 -> 4.3 works, but with the white-09.09.01-15.56
> petitboot (2.6.30.9) -> 4.3 gets a kernel panic:
> 
>  -> early_setup(), dt_ptr: 0x7fff000
> Kernel panic - not syncing: BUG: Failed verifying flat device tree, bad version?
> 
> I'll look at it some more as I find time.

That says that the device tree firmware gave you (ie. from kexec), is using an
old version of the device tree format.

I can't remember off the top of my head which version you need, but basically
newer kernels require a newer device tree format. So your kexec might be too
old?

cheers