linux-kernel - Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

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Date:	Fri, 31 Oct 2008 11:32:02 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	benh@...nel.crashing.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...abs.org
Subject: Re: 2.6.28-rc1: NVRAM being corrupted on ppc64 preventing boot (bisected)

On Fri, Oct 31, 2008 at 10:18:38PM +1100, Paul Mackerras wrote:
> Mel Gorman writes:
> 
> > Yaboot in my case and I've heard it affected a DVD installation. I don't
> > know for sure if it affects netboot but as I think it's something the
> > kernel is doing, it probably doesn't matter how it gets loaded?
> 
> I do need to know whether it was the vmlinux or the zImage.pseries
> that you were loading with yaboot.  That commit you identified affects
> the contents of an ELF note in the zImage.pseries that firmware looks
> at, as well as a structure in the kernel itself that gets passed as an
> argument to a call to firmware.  If you were loading a vmlinux with
> yaboot when you saw the corruption occur then that narrows things down
> a bit.
> 

It's the vmlinux file I am seeing problems with.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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