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Subject: Re: [Oops][next-20170614][] powerpc boot fails with WARNING: CPU:
 12 PID: 0 at mm/memblock.c
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Rowand, Frank" <Frank.Rowand@sony.com>, Abdul Haleem
 <abdhalee@linux.vnet.ibm.com>
Cc: sachinp <sachinp@linux.vnet.ibm.com>, Stephen Rothwell
 <sfr@canb.auug.org.au>, linux-kernel <linux-kernel@vger.kernel.org>,
 linux-next <linux-next@vger.kernel.org>, linuxppc-dev
 <linuxppc-dev@lists.ozlabs.org>
Date: Fri, 16 Jun 2017 10:04:16 +1000
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On Thu, 2017-06-15 at 17:06 +0000, Rowand, Frank wrote:
> On Thursday, June 15, 2017 2:25 AM, Abdul Haleem [mailto:abdhalee@linux.vnet.ibm.com]  wrote:
> > 
> > On Thu, 2017-06-15 at 11:30 +0530, Abdul Haleem wrote:
> > > Hi,
> > > 
> > > linux-next fails to boot on powerpc Bare-metal with these warnings.
> > > 
> > > machine booted fine on next-20170613
> > 
> > Thanks Michael, Yes it is (75fe04e59 of: remove *phandle properties from
> > expanded device tree)
> > 
> > Frank, would you please take a look at the trace.
> > 
> > Thanks
> 
> < snip >
> 
> My patch series 'of: remove *phandle properties from expanded device tree'
> in -next seems to have broken boot for a significant number of powerpc
> systems.  I am actively working on understanding and fixing the problem.

I think kexec needs them in sysfs (or /proc) when building the fdt
for the target kernel.

Cheers,
Ben.