Date: Wed, 11 Jan 2006 19:33:38 +0530
From: Vivek Goyal <vgoyal@in.ibm.com>
To: Andi Kleen <ak@suse.de>
Cc: Stephen Hemminger <shemminger@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: Crash with SMP on post 2.6.15 -git kernel
Message-ID: <20060111140338.GF4990@in.ibm.com>
Reply-To: vgoyal@in.ibm.com
References: <20060110165457.42ed2087@dxpl.pdx.osdl.net> <200601111212.40989.ak@suse.de> <20060111134230.GE4990@in.ibm.com> <200601111450.07996.ak@suse.de>
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On Wed, Jan 11, 2006 at 02:50:07PM +0100, Andi Kleen wrote:
> On Wednesday 11 January 2006 14:42, Vivek Goyal wrote:
> 
> > While testing this I ran into another problem with same symtoms. If 
> > I compile my kernel for physical location greater than or equal to 
> > 16MB then only BP boots and applicatoin processors don't come up. I had
> > noticed this problem in i386 and posted a patch. Here is the similar  patch 
> > for x86_64.
> > 
> > Though the symtoms are same but this does not seem to be related to the
> > problem which Stephen is facing as he seems to be compiling the kernel
> > for 1MB location only.
> 
> I don't think that's Stephen's problem.

You are right. This patch is for a entirely different problem. I posted the
patch in the context of this thread because on the surface problem symtoms 
are same.

This patch is required to boot SMP kernel from non-default physical
locations as in case of kdump.

Can you please include this patch.

Thanks
Vivek
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