To: Chris Wright <chrisw@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: node_online_map patch kills x86_64
References: <20050111151656.A24171@build.pdx.osdl.net>
From: Andi Kleen <ak@muc.de>
Date: Wed, 12 Jan 2005 00:42:57 +0100
In-Reply-To: <20050111151656.A24171@build.pdx.osdl.net> (Chris Wright's
 message of "Tue, 11 Jan 2005 15:16:56 -0800")
Message-ID: <m1d5wb4jni.fsf@muc.de>
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Chris Wright <chrisw@osdl.org> writes:

> Backing out the x86_64 specific bits of the numnodes -> node_online_map
> patch and the generic bits from wli, kills my machine at boot.

And with it it included it works? Why do you back it out then? 
>
> It hits the early_idt_handler and dies straight away.  What would help
> to debug this thing?

First a bit of information, like what kind of machine, logs etc.
(kernel bug reporting 101, it's not that difficult, isn't it?) 

If you have a dual Opteron system and enabled CONFIG_ACPI_NUMA
then numa=noacpi may work. There is a known problem with some
Tyan BIOS. Fix for that is upcomming.

-Andi
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