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Message-ID: <18698.62038.907424.657408@cargo.ozlabs.ibm.com>
Date: Fri, 31 Oct 2008 22:56:06 +1100
From: Paul Mackerras <paulus@samba.org>
To: benh@kernel.crashing.org
Cc: Mel Gorman <mel@csn.ul.ie>, Linus Torvalds <torvalds@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linuxppc-dev@ozlabs.org
Subject: Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot
	(bisected)
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Benjamin Herrenschmidt writes:

> Unless missed something, I think it's narrowed already. When loaded from
> yaboot, there is no relevant difference between zImage and vmlinux here.
> IE. yaboot parses the ELF header of the zImage itself and ignores the
> special notes anyway so only the CAS firmware call is relevant in both
> cases, no ?

Good point.  However, it would be the parse-elf-header firmware call,
rather than the CAS firmware call, since 91a00302 modified the
fake_elf structure (to make it consistent with the CAS structure) but
not the CAS structure.

Paul.
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