linux-kernel - Re: [Bug 7505] Linux-2.6.18 fails to boot on AMD64 machine

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Message-ID: <200612200145_MC3-1-D5AF-61E@compuserve.com>
Date:	Wed, 20 Dec 2006 01:42:48 -0500
From:	Chuck Ebbert <76306.1226@...puserve.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	Zhang Yanmin <yanmin.zhang@...el.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	bugme-daemon@...zilla.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Bug 7505] Linux-2.6.18 fails to boot on AMD64 machine

In-Reply-To: <20061219172900.37312b38.akpm@...l.org>

On Tue, 19 Dec 2006 17:29:00 -0800, Andrew Morton wrote:

> Quoting the bug report:

> general protection fault: 013b [1] PREEMPT 

That '013b' is critical information.

Bit 0: 1: exception source is external to the processor
Bit 1: 1: there is a problem with an interrupt descriptor in the IDT
Bit 2: n/a
Bits 15-3: index of the problem descriptor

So an external interrupt occurred, the system tried to use interrupt
descriptor #39 decimal (irq 7), but the descriptor was invalid.
-- 
MBTI: IXTP

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