linux-kernel - Re: CPA self-test failures

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Date:	Fri, 18 Jan 2008 22:18:00 +0100
From:	Andi Kleen <ak@...e.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: CPA self-test failures

On Friday 18 January 2008 22:12:38 Jeremy Fitzhardinge wrote:
> When booting under KVM, I get a pile of messages out of the CPA 
> self-test.  It makes it to usermode OK though.

Yes known problem. On some systems the self test interacts badly
with the split mappings created by the PAT code I think. I don't have a fix yet.
But you can ignore it for now -- should be harmless. Or disable CONFIG_CPA_DEBUG.

-Andi
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