Date: 7 Jan 2005 13:44:53 +0100
Date: Fri, 7 Jan 2005 13:44:52 +0100
From: Andi Kleen <ak@muc.de>
To: YhLu <YhLu@tyan.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>, linux-kernel@vger.kernel.org,
       discuss@x86-64.org
Subject: Re: 256 apic id for amd64
Message-ID: <20050107124452.GB64665@muc.de>
References: <3174569B9743D511922F00A0C9431423072912EE@TYANWEB>
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On Thu, Jan 06, 2005 at 05:06:35PM -0800, YhLu wrote:
> Andi,
> 
> I made the Opteron using apic id from 16 later in LinuxBIOS.
> 
> So leave 0-15 for ioapic.
> 
> The problem is that the kernel (caliberate_delay) doesn't like that.
> 
> If using lpj=2170880 as the command line for that, it works well.
> 
> What's the jiffies? The TSC is changing but it doesn't.

jiffies is a counter of the timer interrupt. Most likely you broke
the timer somehow.

-Andi
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