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To: Ronald G Minnich <rminnich@lanl.gov>
Cc: I+D <jbertran@cirsa.com>,
        "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: Re: Booting AMD Elan520 without BIOS
In-Reply-To: <Pine.LNX.4.21.0011240917570.17415-100000@mini.acl.lanl.gov>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: 24 Nov 2000 15:31:56 -0700
In-Reply-To: Ronald G Minnich's message of "Fri, 24 Nov 2000 09:19:58 -0700 (MST)"
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Ronald G Minnich <rminnich@lanl.gov> writes:

> On Fri, 24 Nov 2000, I+D wrote:
> 
> > I'm trying to boot an AMD Elan520 board without bios
> > with kernel 2.4.0-test10 configured for i486 and PCI direct access.
> > This kernel boots correctly from HD using the bios provided with the 
> > evaluation board but kernel 2.4.0-test8 and previous hang
> > after "Ok booting the kernel".
> 
> well, first I want your code for linuxbios :-)
> 
> > 	The last message I see is "Calibrating delay loop"
> > (I see this thaks to the Jtag debugger for Elan520 because
> > I haven't configured the VGA board yet).
> 
> you don't have clock interrupts on. If you are able to single step you'll
> probably see it in the loop spinning on jiffies. This is one of our
> regular problems with a new mainboard.

This can also easily be a misconfiguration of the local apic.
I might need to be put into virtual wire mode.

Eric

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